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FXX Tool pro 1.4.2 free download Binary options signal software submitted by tradewithbot to u/tradewithbot [link] [comments]

Step-by-Step Guide for Adding a Stack, Expanding Control Lines, and Building an Assembler

After the positive response to my first tutorial on expanding the RAM, I thought I'd continue the fun by expanding the capabilities of Ben's 8-bit CPU even further. That said, you'll need to have done the work in the previous post to be able to do this. You can get a sense for what we'll do in this Imgur gallery.
In this tutorial, we'll balance software and hardware improvements to make this a pretty capable machine:

Parts List

To only update the hardware, you'll need:
If you want to update the toolchain, you'll need:
  1. Arduino Mega 2560 (Amazon) to create the programmer.
  2. Ribbon Jumper Cables (Amazon) to connect the Arduino to the breadboard.
  3. TL866 II Plus EEPROM Programmer (Amazon) to program the ROM.
Bonus Clock Improvement: One additional thing I did is replace the 74LS04 inverter in Ben's clock circuit with a 74LS14 inverting Schmitt trigger (datasheet, Jameco). The pinouts are identical! Just drop it in, wire the existing lines, and then run the clock output through it twice (since it's inverting) to get a squeaky clean clock signal. Useful if you want to go even faster with the CPU.

Step 1: Program with an Arduino and Assembler (Image 1, Image 2)

There's a certain delight in the physical programming of a computer with switches. This is how Bill Gates and Paul Allen famously programmed the Altair 8800 and started Microsoft. But at some point, the hardware becomes limited by how effectively you can input the software. After upgrading the RAM, I quickly felt constrained by how long it took to program everything.
You can continue to program the computer physically if you want and even after upgrading that option is still available, so this step is optional. There's probably many ways to approach the programming, but this way felt simple and in the spirit of the build. We'll use an Arduino Mega 2560, like the one in Ben's 6502 build, to program the RAM. We'll start with a homemade assembler then switch to something more robust.
Preparing the Physical Interface
The first thing to do is prepare the CPU to be programmed by the Arduino. We already did the hard work on this in the RAM upgrade tutorial by using the bus to write to the RAM and disconnecting the control ROM while in program mode. Now we just need to route the appropriate lines to a convenient spot on the board to plug the Arduino into.
  1. This is optional, but I rewired all the DIP switches to have ground on one side, rather than alternating sides like Ben's build. This just makes it easier to route wires.
  2. Wire the 8 address lines from the DIP switch, connecting the side opposite to ground (the one going to the chips) to a convenient point on the board. I put them on the far left, next to the address LEDs and above the write button circuit.
  3. Wire the 8 data lines from the DIP switch, connecting the side opposite to ground (the one going to the chips) directly below the address lines. Make sure they're separated by the gutter so they're not connected.
  4. Wire a line from the write button to your input area. You want to connect the side of the button that's not connected to ground (the one going to the chip).
So now you have one convenient spot with 8 address lines, 8 data lines, and a write line. If you want to get fancy, you can wire them into some kind of connector, but I found that ribbon jumper cables work nicely and keep things tidy.
The way we'll program the RAM is to enter program mode and set all the DIP switches to the high position (e.g., 11111111). Since the switches are upside-down, this means they'll all be disconnected and not driving to ground. The address and write lines will simply be floating and the data lines will be weakly pulled up by 1k resistors. Either way, the Arduino can now drive the signals going into the chips using its outputs.
Creating the Arduino Programmer
Now that we can interface with an Arduino, we need to write some software. If you follow Ben's 6502 video, you'll have all the knowledge you need to get this working. If you want some hints and code, see below (source code):
  1. Create arrays for your data and address lines. For example: const char ADDRESS_LINES[] = {39, 41, 43, 45, 47, 49, 51, 53};. Create your write line with #define RAM_WRITE 3.
  2. Create functions to enable and disable your address and data lines. You want to enable them before writing. Make sure to disable them afterward so that you can still manually program using DIP switches without disconnecting the Arduino. The code looks like this (just change INPUT to OUTPUT accordingly): for(int n = 0; n < 8; n += 1) { pinMode(ADDRESS_LINES[n], OUTPUT); }
  3. Create a function to write to an address. It'll look like void writeData(byte writeAddress, byte writeData) and basically use two loops, one for address and one for data, followed by toggling the write.
  4. Create a char array that contains your program and data. You can use #define to create opcodes like #define LDA 0x01.
  5. In your main function, loop through the program array and send it through writeData.
With this setup, you can now load multi-line programs in a fraction of a second! This can really come in handy with debugging by stress testing your CPU with software. Make sure to test your setup with existing programs you know run reliably. Now that you have your basic setup working, you can add 8 additional lines to read the bus and expand the program to let you read memory locations or even monitor the running of your CPU.
Making an Assembler
The above will serve us well but it's missing a key feature: labels. Labels are invaluable in assembly because they're so versatile. Jumps, subroutines, variables all use labels. The problem is that labels require parsing. Parsing is a fun project on the road to a compiler but not something I wanted to delve into right now--if you're interested, you can learn about Flex and Bison. Instead, I found a custom assembler that lets you define your CPU's instruction set and it'll do everything else for you. Let's get it setup:
  1. If you're on Windows, you can use the pre-built binaries. Otherwise, you'll need to install Rust and compile via cargo build.
  2. Create a file called 8bit.cpu and define your CPU instructions (source code). For example, LDA would be lda {address} -> 0x01 @ address[7:0]. What's cool is you can also now create the instruction's immediate variant instead of having to call it LDI: lda #{value} -> 0x05 @ value[7:0].
  3. You can now write assembly by adding #include "8bit.cpu" to the top of your code. There's a lot of neat features so make sure to read the documentation!
  4. Once you've written some assembly, you can generate the machine code using ./customasm yourprogram.s -f hexc -p. This prints out a char array just like our Arduino program used!
  5. Copy the char array into your Arduino program and send it to your CPU.
At this stage, you can start creating some pretty complex programs with ease. I would definitely play around with writing some larger programs. I actually found a bug in my hardware that was hidden for a while because my programs were never very complex!

Step 2: Expand the Control Lines (Image)

Before we can expand the CPU any further, we have to address the fact we're running out of control lines. An easy way to do this is to add a 3rd 28C16 ROM and be on your way. If you want something a little more involved but satisfying, read on.
Right now the control lines are one hot encoded. This means that if you have 4 lines, you can encode 4 states. But we know that a 4-bit binary number can encode 16 states. We'll use this principle via 74LS138 decoders, just like Ben used for the step counter.
Choosing the Control Line Combinations
Everything comes with trade-offs. In the case of combining control lines, it means the two control lines we choose to combine can never be activated at the same time. We can ensure this by encoding all the inputs together in the first 74LS138 and all the outputs together in a second 74LS138. We'll keep the remaining control lines directly connected.
Rewiring the Control Lines
If your build is anything like mine, the control lines are a bit of a mess. You'll need to be careful when rewiring to ensure it all comes back together correctly. Let's get to it:
  1. Place the two 74LS138 decoders on the far right side of the breadboard with the ROMs. Connect them to power and ground.
  2. You'll likely run out of inverters, so place a 74LS04 on the breadboard above your decoders. Connect it to power and ground.
  3. Carefully take your inputs (MI, RI, II, AI, BI, J) and wire them to the outputs of the left 74LS138. Do not wire anything to O0 because that's activated by 000 which won't work for us!
  4. Carefully take your outputs (RO, CO, AO, EO) and wire them to the outputs of the right 74LS138. Remember, do not wire anything to O0!
  5. Now, the 74LS138 outputs are active low, but the ROM outputs were active high. This means you need to swap the wiring on all your existing 74LS04 inverters for the LEDs and control lines to work. Make sure you track which control lines are supposed to be active high vs. active low!
  6. Wire E3 to power and E2 to ground. Connect the E1 on both 138s together, then connect it to the same line as OE on your ROMs. This will ensure that the outputs are disabled when you're in program mode. You can actually take off the 1k pull-up resistors from the previous tutorial at this stage, because the 138s actively drive the lines going to the 74LS04 inverters rather than floating like the ROMs.
At this point, you really need to ensure that the massive rewiring job was successful. Connect 3 jumper wires to A0-A2 and test all the combinations manually. Make sure the correct LED lights up and check with a multimeteoscilloscope that you're getting the right signal at each chip. Catching mistakes at this point will save you a lot of headaches! Now that everything is working, let's finish up:
  1. Connect A0-A2 of the left 74LS138 to the left ROM's A0-A2.
  2. Connect A0-A2 of the right 74LS138 to the right ROM's A0-A2.
  3. Distribute the rest of the control signals across the two ROMs.
Changing the ROM Code
This part is easy. We just need to update all of our #define with the new addresses and program the ROMs again. For clarity that we're not using one-hot encoding anymore, I recommend using hex instead of binary. So instead of #define MI 0b0000000100000000, we can use #define MI 0x0100, #define RI 0x0200, and so on.
Testing
Expanding the control lines required physically rewiring a lot of critical stuff, so small mistakes can creep up and make mysterious errors down the road. Write a program that activates each control line at least once and make sure it works properly! With your assembler and Arduino programmer, this should be trivial.
Bonus: Adding B Register Output
With the additional control lines, don't forget you can now add a BO signal easily which lets you fully use the B register.

Step 3: Add a Stack (Image 1, Image 2)

Adding a stack significantly expands the capability of the CPU. It enables subroutines, recursion, and handling interrupts (with some additional logic). We'll create our stack with an 8-bit stack pointer hard-coded from $0100 to $01FF, just like the 6502.
Wiring up the Stack Pointer
A stack pointer is conceptually similar to a program counter. It stores an address, you can read it and write to it, and it increments. The only difference between a stack pointer and a program counter is that the stack pointer must also decrement. To create our stack pointer, we'll use two 74LS193 4-bit up/down binary counters:
  1. Place a 74LS00 NAND gate, 74LS245 transceiver, and two 74LS193 counters in a row next to your output register. Wire up power and ground.
  2. Wire the the Carry output of the right 193 to the Count Up input of the left 193. Do the same for the Borrow output and Count Down input.
  3. Connect the Clear input between the two 193s and with an active high reset line. The B register has one you can use on its 74LS173s.
  4. Connect the Load input between the two 193s and to a new active low control line called SI on your 74LS138 decoder.
  5. Connect the QA-QD outputs of the lower counter to A8-A5 and the upper counter to A4-A1. Pay special attention because the output are in a weird order (BACD) and you want to make sure the lower A is connected to A8 and the upper A is connected to A4.
  6. Connect the A-D inputs of the lower counter to B8-B5 and the upper counter to B4-B1. Again, the inputs are in a weird order and on both sides of the chip so pay special attention.
  7. Connect the B1-B8 outputs of the 74LS245 transceiver to the bus.
  8. On the 74LS245 transceiver, connect DIR to power (high) and connect OE to a new active low control line called SO on your 74LS138 decoder.
  9. Add 8 LEDs and resistors to the lower part of the 74LS245 transceiver (A1-A8) so you can see what's going on with the stack pointer.
Enabling Increment & Decrement
We've now connected everything but the Count Up and Count Down inputs. The way the 74LS193 works is that if nothing is counting, both inputs are high. If you want to increment, you keep Count Down high and pulse Count Up. To decrement, you do the opposite. We'll use a 74LS00 NAND gate for this:
  1. Take the clock from the 74LS08 AND gate and make it an input into two different NAND gates on the 74LS00.
  2. Take the output from one NAND gate and wire it to the Count Up input on the lower 74LS193 counter. Take the other output and wire it to the Count Down input.
  3. Wire up a new active high control line called SP from your ROM to the NAND gate going into Count Up.
  4. Wire up a new active high control line called SM from your ROM to the NAND gate going into Count Down.
At this point, everything should be working. Your counter should be able to reset, input a value, output a value, and increment/decrement. But the issue is it'll be writing to $0000 to $00FF in the RAM! Let's fix that.
Accessing Higher Memory Addresses
We need the stack to be in a different place in memory than our regular program. The problem is, we only have an 8-bit bus, so how do we tell the RAM we want a higher address? We'll use a special control line to do this:
  1. Wire up an active high line called SA from the 28C16 ROM to A8 on the Cypress CY7C199 RAM.
  2. Add an LED and resistor so you can see when the stack is active.
That's it! Now, whenever we need the stack we can use a combination of the control line and stack pointer to access $0100 to $01FF.
Updating the Instruction Set
All that's left now is to create some instructions that utilize the stack. We'll need to settle some conventions before we begin:
If you want to add a little personal flair to your design, you can change the convention fairly easily. Let's implement push and pop (source code):
  1. Define all your new control lines, such as #define SI 0x0700 and #define SO 0x0005.
  2. Create two new instructions: PSH (1011) and POP (1100).
  3. PSH starts the same as any other for the first two steps: MI|CO and RO|II|CE. The next step is to put the contents of the stack pointer into the address register via MI|SO|SA. Recall that SA is the special control line that tells the memory to access the $01XX bank rather than $00XX.
  4. We then take the contents of AO and write it into the RAM. We can also increment the stack pointer at this stage. All of this is done via: AO|RI|SP|SA, followed by TR.
  5. POP is pretty similar. Start off with MI|CO and RO|II|CE. We then need to take a cycle and decrement the stack pointer with SM. Like with PSH, we then set the address register with MI|SO|SA.
  6. We now just need to output the RAM into our A register with RO|AI|SA and then end the instruction with TR.
  7. Updating the assembler is easy since neither instruction has operands. For example, push is just psh -> 0x0B.
And that's it! Write some programs that take advantage of your new 256 byte stack to make sure everything works as expected.

Step 4: Add Subroutine Instructions (Image)

The last step to complete our stack is to add subroutine instructions. This allows us to write complex programs and paves the way for things like interrupt handling.
Subroutines are like a blend of push/pop instructions and a jump. Basically, when you want to call a subroutine, you save your spot in the program by pushing the program counter onto the stack, then jumping to the subroutine's location in memory. When you're done with the subroutine, you simply pop the program counter value from the stack and jump back into it.
We'll follow 6502 conventions and only save and restore the program counter for subroutines. Other CPUs may choose to save more state, but it's generally left up to the programmer to ensure they're not wiping out states in their subroutines (e.g., push the A register at the start of your subroutine if you're messing with it and restore it before you leave).
Adding an Extra Opcode Line
I've started running low on opcodes at this point. Luckily, we still have two free address lines we can use. To enable 5-bit opcodes, simply wire up the 4Q output of your upper 74LS173 register to A7 of your 28C16 ROM (this assumes your opcodes are at A3-A6).
Updating the ROM Writer
At this point, you simply need to update the Arduino writer to support 32 instructions vs. the current 16. So, for example, UCODE_TEMPLATE[16][8] becomes UCODE_TEMPLATE[32][8] and you fill in the 16 new array elements with nop. The problem is that the Arduino only has so much memory and with the way Ben's code is written to support conditional jumps, it starts to get tight.
I bet the code can be re-written to handle this, but I had a TL866II Plus EEPROM programmer handy from the 6502 build and I felt it would be easier to start using that instead. Converting to a regular C program is really simple (source code):
  1. Copy all the #define, global const arrays (don't forget to expand them from 16 to 32), and void initUCode(). Add #include and #include to the top.
  2. In your traditional int main (void) C function, after initializing with initUCode(), make two arrays: char ucode_upper[2048] and char ucode_lower[2048].
  3. Take your existing loop code that loops through all addresses: for (int address = 0; address < 2048; address++).
  4. Modify instruction to be 5-bit with int instruction = (address & 0b00011111000) >> 3;.
  5. When writing, just write to the arrays like so: ucode_lower[address] = ucode[flags][instruction][step]; and ucode_upper[address] = ucode[flags][instruction][step] >> 8;.
  6. Open a new file with FILE *f = fopen("rom_upper.hex", "wb");, write to it with fwrite(ucode_upper, sizeof(char), sizeof(ucode_upper), f); and close it with fclose(f);. Repeat this with the lower ROM too.
  7. Compile your code using gcc (you can use any C compiler), like so: gcc -Wall makerom.c -o makerom.
Running your program will spit out two binary files with the full contents of each ROM. Writing the file via the TL866II Plus requires minipro and the following command: minipro -p CAT28C16A -w rom_upper.hex.
Adding Subroutine Instructions
At this point, I cleaned up my instruction set layout a bit. I made psh and pop 1000 and 1001, respectively. I then created two new instructions: jsr and rts. These allow us to jump to a subroutine and returns from a subroutine. They're relatively simple:
  1. For jsr, the first three steps are the same as psh: MI|CO, RO|II|CE, MI|SO|SA.
  2. On the next step, instead of AO we use CO to save the program counter to the stack: CO|RI|SP|SA.
  3. We then essentially read the 2nd byte to do a jump and terminate: MI|CO, RO|J.
  4. For rts, the first four steps are the same as pop: MI|CO, RO|II|CE, SM, MI|SO|SA.
  5. On the next step, instead of AI we use J to load the program counter with the contents in stack: RO|J|SA.
  6. We're not done! If we just left this as-is, we'd jump to the 2nd byte of jsr which is not an opcode, but a memory address. All hell would break loose! We need to add a CE step to increment the program counter and then terminate.
Once you update the ROM, you should have fully functioning subroutines with 5-bit opcodes. One great way to test them is to create a recursive program to calculate something--just don't go too deep or you'll end up with a stack overflow!

Conclusion

And that's it! Another successful upgrade of your 8-bit CPU. You now have a very capable machine and toolchain. At this point I would have a bunch of fun with the software aspects. In terms of hardware, there's a number of ways to go from here:
  1. Interrupts. Interrupts are just special subroutines triggered by an external line. You can make one similar to how Ben did conditional jumps. The only added complexity is the need to load/save the flags register since an interrupt can happen at any time and you don't want to destroy the state. Given this would take more than 8 steps, you'd also need to add another line for the step counter (see below).
  2. ROM expansion. At this point, address lines on the ROM are getting tight which limits any expansion possibilities. With the new approach to ROM programming, it's trivial to switch out the 28C16 for the 28C256 that Ben uses in the 6502. These give you 4 additional address lines for flags/interrupts, opcodes, and steps.
  3. LCD output. At this point, adding a 16x2 character LCD like Ben uses in the 6502 is very possible.
  4. Segment/bank register. It's essentially a 2nd memory address register that lets you access 256-byte segments/banks of RAM using bank switching. This lets you take full advantage of the 32K of RAM in the Cypress chip.
  5. Fast increment instructions. Add these to registers by replacing 74LS173s with 74LS193s, allowing you to more quickly increment without going through the ALU. This is used to speed up loops and array operations.
submitted by MironV to beneater [link] [comments]

CRTPi4-RCA v3.4FX - Composite TV-Out for your Pi4!

CRTPi Project Presents:

CRTPi4-RCA v3.4FX

A CRTPi image for running 240p via 3.5mm Composite on the Raspberry Pi4
Other Releases:
Changelog: v3.4FX for RCA (PAL Only) 5/18/2020
Changelog: v3.4FX for RCA (NTSC&&PAL) 5/17/2020
Changelog: v3.0F for RCA 5/11/2020
Changelog: v2.0F for RCA 4/1/2020
Changelog: v1.1FX 12/20/2019
Changelog: v1.0F Hotfix 10/31/2019
Changelog: v1.0F 10/29/2019
Changelog: v0.4 10/22/2019
Changelog: v0.3 10/2/2019
How does this even work!?
The amazing u/b0xspread has found a way to enforce modeswitching by watching the logs and processes, and continuing to enforce our desired mode long after the system wants to revert back. We're both expanding this scripting further to hopefully solve the same issues on the RGB and VGA forks -- but progress is slow due to the complex and varied nature of available resolution modes on those builds. But for now, let's just call this "black magic."
What Does That Look Like?
Here are some examples of games being played in beautiful 240p on CRT sets using the RCA Image!.
What is Different?
  • Retropie 4.6 (build 72132587 commit 05/07/20 Buster 10)
  • Retroarch 1.8.5
  • Full Apt-Upgrade for newest firmware and app dependancies (Recommended to repeat this function on your own Pi4)
  • 4GB (3872256 KB Uncompressed Image) (Compressed via WinRAR to 1043540KB)
  • SSH, Samba Share, and USB Rom Service enabled by default
  • Heavily modified Sakitoshi CRT-TVout script for switching between 480i and 240p
  • Further modified Sakitoshi script by u/b0xspread to allow video resolution switching on Pi4 Architecture
  • Optional overclock values in /boot/config.txt for Pi4 (disabled by default) [RECOMMENDED!]
  • NTSC @ 60hz 720/640x480 480i Resolution for Emulationstation & Kodi
  • PAL @ 50hz 720/640x576 576i Resolution for Emulationstation & Kodi
  • NTSC @ 60hz 640x480 Progressive (240 lines) for Retroarch
  • PAL @ 50hz 640x576 Progressive (288 lines) for Retroarch
  • Per-system custom refresh rates for Retroarch
  • Single-frame Run Ahead enabled for many 8-bit & 16-bit consoles and handhelds for Retroarch
  • Optional 480i mode for PSX and Arcade games
  • Preloaded with free 240p test suites for multiple consoles
  • Preloaded with additional stable (opt) Retroarch emulators
  • Preloaded with DOSBox and ScummVM
  • Preloaded with various 4:3 splashscreens from the RPiF download
  • Preloaded with 4:3 Ruckage's runcommand launching screens for supported systems
  • Custom 4:3 Arcade DOJ "Winners DO Use Drugs" splash screen.
  • Preloaded with MUNT Roland MT-32 MIDI emulation for DOSBox/ScummVM
  • Retroarch FCEUmm (NES) Emulator preconfigured for 4:3 horiz/vert overscan crop enabled w/ composite-direct-fbx pallete
  • Retroarch Picodrive (SMS/32X) Emulator preconfigured for 4:3 with 1X Sega Mastersystem & 1X Sega 32X resolution
  • Retroarch Gambatte (GB/GBC) emulator preset to Super Game Boy (Special 1 Pallete) mode with 2x integer scale SGB Overlay
  • Retroarch mGBA (GBA) emulator preset to Game Boy Player mode with 2x integer scale GBP Overlay
  • Other Retroarch handheld emulators preset for optimized wide display with overlay
  • Emulationstation preloaded with Ruckage's RetroPie menu icons
  • Emulationstation preloaded with Ruckage's snes-mini theme configured for 4:3
  • Custom ScummVM system artwork for snes-mini theme
  • Emulationstation systems ordered chronologically instead of alphabetically
  • Emulationstation preconfigured with best settings for analog A/V including best settings for video preview screensavers
What is Run-Ahead?
The Run Ahead feature calculates the frames as fast as possible in the background to "rollback" the action as close as possible to the input command requested.
I've enabled run-ahead on most of the 8 & 16-bit consoles and handhelds. A single frame (and using the second instance) is saved here, which dramatically improves input lag without affecting performance on a Pi3B+. More frames would require more hardware power, and may be achievable via overclocking.
lr-snes9x2010 consistent 60.0-60.2 FPS @ 60.098801hz lr-fceumm consistent 60.0-60.2 FPS @ 60.098801hz lr-beetle-pce-fast consistent 60.1-60.2 @ 60.000000hz lr-genesis-gx-plus consistent 59.9-60.2 FPS @ 59.922741hz (both genesis and sega cd) lr-picodrive consistent 59.9-60.2 FPS @ 59.922741hz (master system, game gear, and 32X) lr-gambatte consistent 60.0-60.2 FPS @ 60.098801hz (SGB2 framerate) lr-mgba consistent 59.8-60.4 FPS @ 60.002220hz (Gamecube framerate) 
Runahead Tested ~60FPS Stable:
  • Game Gear
  • Game Boy
  • Game Boy Color
  • Game Boy Advance
  • Master System
  • Megadrive
  • NES
  • PC Engine
  • PCE-CD
  • Sega 32X
  • Sega CD
  • SNES
Runahead Tested < 50FPS Unstable:
  • FB Neo
  • FB Alpha
  • Mame
  • N64
  • PlayStation
  • PSP
Runahead Untested:
  • Atari 800
  • Atari 2600
  • Atari 5200
  • Atari 7800
  • Atari Lynx
  • Coleco
  • Intellivision
  • MSX
What Does This NOT Have?
This doesn't have any ROMs (other than freeware test suites), BIOS files, music, screenshots, metadata, or videos concerning copywritten games. Other than the configurations and overlays, it has nothing that can't be downloaded through the repository or freeware.
Where Can I Get It?
You can download a premade image from Drive:
NOTE: Please expand your file system via Raspi-Config after your first boot, and reboot!
CRTPi4-RCA NTSC v3.4F: For Raspberry Pi4 Composite-Out @ 60hz
MD5: 7df8453c2e8029b06def7864351ec768 
CRTPi4-RCA PAL-D v3.4F: For Raspberry Pi4 Composite-Out @ 50hz
MD5: ab2bd6ab228bd6f58a22de15044fb46a 
How do I install the Arcade Configuration Pack?
These are the resolution-correct preset arcade configs for MAME/FBA including vertical games. There is roughly 38K files in there, spread out across several systems (arcade, fba, mame-libretro, and neogeo). Having these pre-installed would not allow either image to fit on the SD card used, and may not be needed for everyone. It's a fairly simple process that won't take more than a few minutes of your time.
  • Drop to shell or connect via SSH, and navigate to root (cd /)
  • Download the CRTPi-RCA_ArcadePack.zip with the command:
    sudo wget https://github.com/crtpi/CRTPi-Project/raw/masteCRTPi-RCA_ArcadePack.zip
  • Unzip and overwrite files with the command:
    sudo unzip -o -q CRTPi-RCA_ArcadePack.zip
  • Remove the zip with the command
    sudo rm CRTPi-RCA_ArcadePack.zip
  • Restore read/write access to the files you have overwritten with the command:
    sudo chmod a+rw -R /opt/retropie/configs/
How can I take full advantage of the 480i/240p Switching?
To force 480i for a system or game, you can create a '480i.txt' file inside the configuration folder of the system with a list of the file names (case insensitive, extension optional but recommended) you want to force.
If you wish to force 480i for a whole system, you can write "all" inside the '480i.txt' file.
Alternatively you can create a "240p.txt" file to force 480i to all games except for the ones inside the list.
You can read more about the script functionality here.
Example:
/opt/retropie/configs/psx/480i.txt containing "Bloody Roar 2.PBP" to force 480i for the file "Bloody Roar 2.PBP" /opt/retropie/configs/psx/480i.txt containing "all" to force 480i for all the PlayStation games. /opt/retropie/configs/ports/kodi/480i.txt containing "all" to force 480i on Kodi. 
I have X Issue! Help?
Why isn't there a Pi4 PAL version?
Try as I might, I have been unable to get a PAL signal out of the SDTV port on a Pi4. My BVM displays PAL-S and PAL-D fine, but neither will get anything but static. I don't even get a rolling B&W image, just horrible static. If you figure out a way, let me know!
I only have like 500mb of free space on my XXgb SD card!
You need to expand your file system via Raspi-Config. Follow these steps.
I want to switch back to lr-mupen64plus!
  • When launching an n64 game, mash buttons on the controller until the runcommand window comes up.
  • Select on "1 Set default emulator for n64" and choose "lr-mupen64plus"
  • Then "Q Exit (without launching)"
  • Launch the game again -- it will launch in the chosen emulator at the proper resolution
What A/V cable should I use for 3.5mm Composite?
I recommend the Zune A/V cable or XBOX 360E cable, you can find them on eBay and Amazon.
Samba Share won't work after I set up Wi-Fi!
Samba share service starts on boot, pending that a network is available. Configure your Wi-Fi then reboot first, and if that doesn't fix it then go into Retropie Setup > Configuration/Tools > Samba > Install Samba. Once it's complete, reboot and it should be golden.
USB-Romservice and/or Retropie-Mount don't work!
Follow this guide, but follow these steps before plugging in your thumb drive:
  • Go to Retropie-Setup
  • Update retropie install script
  • Go to Manage Packages -> Optional Packages
  • Scroll all the way down to usbromservice
  • Uninstall usbromservice
  • Install it again from Binary
  • Once finished, choose Configuration, then Enable USB Romservice
  • Reboot, and wait for it to fully boot in to ES
  • Plug in USB stick (has to be FAT32) and WAIT A LONG TIME (if your stick has a light, wait for it to stop flashing)
submitted by ErantyInt to u/ErantyInt [link] [comments]

CRTPi4-RCA v3.4FX - Composite TV-Out for your Pi4!

CRTPi Project Presents:

CRTPi4-RCA v3.4FX

A CRTPi image for running 240p via 3.5mm Composite on the Raspberry Pi4
Other Releases:
Changelog: v3.4FX for RCA (PAL Only) 5/18/2020
Changelog: v3.4FX for RCA (NTSC&&PAL) 5/17/2020
Changelog: v3.0F for RCA 5/11/2020
Changelog: v2.0F for RCA 4/1/2020
Changelog: v1.1FX 12/20/2019
Changelog: v1.0F Hotfix 10/31/2019
Changelog: v1.0F 10/29/2019
Changelog: v0.4 10/22/2019
Changelog: v0.3 10/2/2019
How does this even work!?
The amazing u/b0xspread has found a way to enforce modeswitching by watching the logs and processes, and continuing to enforce our desired mode long after the system wants to revert back. We're both expanding this scripting further to hopefully solve the same issues on the RGB and VGA forks -- but progress is slow due to the complex and varied nature of available resolution modes on those builds. But for now, let's just call this "black magic."
What Does That Look Like?
Here are some examples of games being played in beautiful 240p on CRT sets using the RCA Image!.
What is Different?
  • Retropie 4.6 (build 72132587 commit 05/07/20 Buster 10)
  • Retroarch 1.8.5
  • Full Apt-Upgrade for newest firmware and app dependancies (Recommended to repeat this function on your own Pi4)
  • 4GB (3872256 KB Uncompressed Image) (Compressed via WinRAR to 1043540KB)
  • SSH, Samba Share, and USB Rom Service enabled by default
  • Heavily modified Sakitoshi CRT-TVout script for switching between 480i and 240p
  • Further modified Sakitoshi script by u/b0xspread to allow video resolution switching on Pi4 Architecture
  • Optional overclock values in /boot/config.txt for Pi4 (disabled by default) [RECOMMENDED!]
  • NTSC @ 60hz 720/640x480 480i Resolution for Emulationstation & Kodi
  • PAL @ 50hz 720/640x576 576i Resolution for Emulationstation & Kodi
  • NTSC @ 60hz 640x480 Progressive (240 lines) for Retroarch
  • PAL @ 50hz 640x576 Progressive (288 lines) for Retroarch
  • Per-system custom refresh rates for Retroarch
  • Single-frame Run Ahead enabled for many 8-bit & 16-bit consoles and handhelds for Retroarch
  • Optional 480i mode for PSX and Arcade games
  • Preloaded with free 240p test suites for multiple consoles
  • Preloaded with additional stable (opt) Retroarch emulators
  • Preloaded with DOSBox and ScummVM
  • Preloaded with various 4:3 splashscreens from the RPiF download
  • Preloaded with 4:3 Ruckage's runcommand launching screens for supported systems
  • Custom 4:3 Arcade DOJ "Winners DO Use Drugs" splash screen.
  • Preloaded with MUNT Roland MT-32 MIDI emulation for DOSBox/ScummVM
  • Retroarch FCEUmm (NES) Emulator preconfigured for 4:3 horiz/vert overscan crop enabled w/ composite-direct-fbx pallete
  • Retroarch Picodrive (SMS/32X) Emulator preconfigured for 4:3 with 1X Sega Mastersystem & 1X Sega 32X resolution
  • Retroarch Gambatte (GB/GBC) emulator preset to Super Game Boy (Special 1 Pallete) mode with 2x integer scale SGB Overlay
  • Retroarch mGBA (GBA) emulator preset to Game Boy Player mode with 2x integer scale GBP Overlay
  • Other Retroarch handheld emulators preset for optimized wide display with overlay
  • Emulationstation preloaded with Ruckage's RetroPie menu icons
  • Emulationstation preloaded with Ruckage's snes-mini theme configured for 4:3
  • Custom ScummVM system artwork for snes-mini theme
  • Emulationstation systems ordered chronologically instead of alphabetically
  • Emulationstation preconfigured with best settings for analog A/V including best settings for video preview screensavers
What is Run-Ahead?
The Run Ahead feature calculates the frames as fast as possible in the background to "rollback" the action as close as possible to the input command requested.
I've enabled run-ahead on most of the 8 & 16-bit consoles and handhelds. A single frame (and using the second instance) is saved here, which dramatically improves input lag without affecting performance on a Pi3B+. More frames would require more hardware power, and may be achievable via overclocking.
lr-snes9x2010 consistent 60.0-60.2 FPS @ 60.098801hz lr-fceumm consistent 60.0-60.2 FPS @ 60.098801hz lr-beetle-pce-fast consistent 60.1-60.2 @ 60.000000hz lr-genesis-gx-plus consistent 59.9-60.2 FPS @ 59.922741hz (both genesis and sega cd) lr-picodrive consistent 59.9-60.2 FPS @ 59.922741hz (master system, game gear, and 32X) lr-gambatte consistent 60.0-60.2 FPS @ 60.098801hz (SGB2 framerate) lr-mgba consistent 59.8-60.4 FPS @ 60.002220hz (Gamecube framerate) 
Runahead Tested ~60FPS Stable:
  • Game Gear
  • Game Boy
  • Game Boy Color
  • Game Boy Advance
  • Master System
  • Megadrive
  • NES
  • PC Engine
  • PCE-CD
  • Sega 32X
  • Sega CD
  • SNES
Runahead Tested < 50FPS Unstable:
  • FB Neo
  • FB Alpha
  • Mame
  • N64
  • PlayStation
  • PSP
Runahead Untested:
  • Atari 800
  • Atari 2600
  • Atari 5200
  • Atari 7800
  • Atari Lynx
  • Coleco
  • Intellivision
  • MSX
What Does This NOT Have?
This doesn't have any ROMs (other than freeware test suites), BIOS files, music, screenshots, metadata, or videos concerning copywritten games. Other than the configurations and overlays, it has nothing that can't be downloaded through the repository or freeware.
Where Can I Get It?
You can download a premade image from Drive:
NOTE: Please expand your file system via Raspi-Config after your first boot, and reboot!
CRTPi4-RCA NTSC v3.4F: For Raspberry Pi4 Composite-Out @ 60hz
MD5: 7df8453c2e8029b06def7864351ec768 
CRTPi4-RCA PAL-D v3.4F: For Raspberry Pi4 Composite-Out @ 50hz
MD5: ab2bd6ab228bd6f58a22de15044fb46a 
How do I install the Arcade Configuration Pack?
These are the resolution-correct preset arcade configs for MAME/FBA including vertical games. There is roughly 38K files in there, spread out across several systems (arcade, fba, mame-libretro, and neogeo). Having these pre-installed would not allow either image to fit on the SD card used, and may not be needed for everyone. It's a fairly simple process that won't take more than a few minutes of your time.
  • Drop to shell or connect via SSH, and navigate to root (cd /)
  • Download the CRTPi-RCA_ArcadePack.zip with the command:
    sudo wget https://github.com/crtpi/CRTPi-Project/raw/masteCRTPi-RCA_ArcadePack.zip
  • Unzip and overwrite files with the command:
    sudo unzip -o -q CRTPi-RCA_ArcadePack.zip
  • Remove the zip with the command
    sudo rm CRTPi-RCA_ArcadePack.zip
  • Restore read/write access to the files you have overwritten with the command:
    sudo chmod a+rw -R /opt/retropie/configs/
How can I take full advantage of the 480i/240p Switching?
To force 480i for a system or game, you can create a '480i.txt' file inside the configuration folder of the system with a list of the file names (case insensitive, extension optional but recommended) you want to force.
If you wish to force 480i for a whole system, you can write "all" inside the '480i.txt' file.
Alternatively you can create a "240p.txt" file to force 480i to all games except for the ones inside the list.
You can read more about the script functionality here.
Example:
/opt/retropie/configs/psx/480i.txt containing "Bloody Roar 2.PBP" to force 480i for the file "Bloody Roar 2.PBP" /opt/retropie/configs/psx/480i.txt containing "all" to force 480i for all the PlayStation games. /opt/retropie/configs/ports/kodi/480i.txt containing "all" to force 480i on Kodi. 
I have X Issue! Help?
Why isn't there a Pi4 PAL version?
Try as I might, I have been unable to get a PAL signal out of the SDTV port on a Pi4. My BVM displays PAL-S and PAL-D fine, but neither will get anything but static. I don't even get a rolling B&W image, just horrible static. If you figure out a way, let me know!
I only have like 500mb of free space on my XXgb SD card!
You need to expand your file system via Raspi-Config. Follow these steps.
I want to switch back to lr-mupen64plus!
  • When launching an n64 game, mash buttons on the controller until the runcommand window comes up.
  • Select on "1 Set default emulator for n64" and choose "lr-mupen64plus"
  • Then "Q Exit (without launching)"
  • Launch the game again -- it will launch in the chosen emulator at the proper resolution
What A/V cable should I use for 3.5mm Composite?
I recommend the Zune A/V cable or XBOX 360E cable, you can find them on eBay and Amazon.
Samba Share won't work after I set up Wi-Fi!
Samba share service starts on boot, pending that a network is available. Configure your Wi-Fi then reboot first, and if that doesn't fix it then go into Retropie Setup > Configuration/Tools > Samba > Install Samba. Once it's complete, reboot and it should be golden.
USB-Romservice and/or Retropie-Mount don't work!
Follow this guide, but follow these steps before plugging in your thumb drive:
  • Go to Retropie-Setup
  • Update retropie install script
  • Go to Manage Packages -> Optional Packages
  • Scroll all the way down to usbromservice
  • Uninstall usbromservice
  • Install it again from Binary
  • Once finished, choose Configuration, then Enable USB Romservice
  • Reboot, and wait for it to fully boot in to ES
  • Plug in USB stick (has to be FAT32) and WAIT A LONG TIME (if your stick has a light, wait for it to stop flashing)
submitted by ErantyInt to crtgaming [link] [comments]

CRTPi-RGB v3.0 - Buster Busts Loose!

CRTPi Project Presents:

CRTPi-RGB v3.0

A CRTPi image for running 240p via GPIO RGB DAC Hats
Other Releases:
Changelog: v3.0 for 888 & 666 05/12/2020 - Emergency Fixes
Changelog: v3.0 for 888 & 666 05/08/2020
Changelog: v2.0 for 888 & 666 03/25/2020
Changelog: v1.1X for 666 12/20/2019
Changelog: v1.1X for 888 & 666 12/19/2019
Changelog: v1.0 for 888 & 666 11/7/2019
Changelog: v1.0 for 666 10/24/2019
Changelog: v1.0 for 888 & 666 10/22/2019
Changelog: v0.3 for 888 & 666 10/2/2019
Changelog: v0.2 for 888 09/27/2019
Changelog: v0.1 for 888 09/20/2019
Required Hardware:
What is a RetroTINK? Or a VGA666?
RetroTINK is a GPIO hat for the Raspberry Pi3/3B+ that converts digital video signal back into 24-bit analog. It provides output over RCA, S-Video, Component, and VGA -- as well as supporting CSYNC, super-resolutions, and custom resolution timings.
VGA666 is a GPIO hat for the Raspberry Pi that converts digital video signal back into an 18-bit analog out via VGA. It also allows for super-resolutions and custom resolution timings.
Pi2SCART is a GPIO hat for the Raspberry Pi that converts digital video signal back into an 18-bit analog RGB out via SCART. It also allows for super-resolutions and custom resolution timings.
What Does That Even Mean?
It makes your Pi capable of outputting a true 240p analog signal for CRT televisions and monitors, and is capable of 5x (1600x240) and higher super resolutions.
What Does That Look Like?
I don't have the greatest pics saved for comparison, but here's some examples of the 888.
What is Different? (888 & 666)
  • Retropie 4.6 (build 7c5e31bb commit 05/07/20 Buster 10)
  • Retroarch 1.8.5
  • 4GB (3872256 KB) Uncompressed Image (Compressed via WinRAR to 982256 KB)
  • SSH, Samba Share, and USB Rom Service enabled by default
  • Custom /boot/config.txt settings for DPI output and custom HDMI timings
  • Optional overclock values in /boot/config.txt for Pi2 & Pi3B (disabled by default)
  • Modified Michael Vencio's Runcommand “On Start” and “On End” scripts to automatically change the resolution system-by-system and game-by-game
  • Modified Runcommand "On Start" script to allow creation of game-specific arcade configs for arcade/fba/mame-libretro/neogeo
  • NTSC @ 60hz 320x240 resolution for Emulationstation and DOSBox/ScummVM/Kodi
  • NTSC @ 60hz 2048x240, 1920x240, and 1600x240 resolution for Retroarch
  • Per-system custom refresh rates for Retroarch
  • Single-frame Run Ahead enabled for many 8-bit & 16-bit consoles and handhelds for Retroarch
  • Preloaded with free 240p test suites for multiple consoles with art by chipsnblip
  • Preloaded with additional stable (opt) Retroarch emulators
  • Preloaded with DOSBox and ScummVM
  • Preloaded with various 4:3 splashscreens from the RPiF download
  • Custom 4:3 Arcade DOJ "Winners DO Use Drugs" splash screen.
  • Preloaded with MUNT Roland MT-32 MIDI emulation for DOSBox/ScummVM
  • Preloaded with custom runcommand launching screens for supported systems
  • Preconfigured MOST Retroarch emulators for proper Integer Scale SuperRes
  • Retroarch FCEUmm (NES) Emulator preconfigured for 8:7 vert overscan crop enabled w/ composite-direct-fbx palette
  • Retroarch Gambatte (GB/GBC) emulator preset to Super Game Boy (SGB2 auto coloration) mode with Integer Scale Overlay
  • Retroarch mGBA (GBA) emulator preset to Game Boy Player mode with Integer Scale Overlay
  • Emulationstation preloaded with Ruckage's RetroPie menu icons
  • Emulationstation preloaded with Ruckage's snes-mini (default) and nes-mini themes configured for 4:3
  • Custom ScummVM system artwork for snes-mini theme
  • Emulationstation systems ordered chronologically instead of alphabetically
  • Emulationstation preconfigured with best settings for analog A/V including best settings for video preview screensavers
  • Custom Retropie menu scripts for switching between Retrotink and VGA666-based hardware ___
What is Run-Ahead?
The Run Ahead feature calculates the frames as fast as possible in the background to "rollback" the action as close as possible to the input command requested.
I've enabled run-ahead on most of the 8 & 16-bit consoles and handhelds. A single frame (and using the second instance) is saved here, which dramatically improves input lag without affecting performance on a Pi3B. More frames would require more hardware power, and may be achievable via overclocking.
lr-snes9x2010 consistent 60.0-60.2 FPS @ 60.098801hz lr-fceumm consistent 60.0-60.2 FPS @ 60.098801hz lr-beetle-pce-fast consistent 60.1-60.2 @ 60.000000hz lr-genesis-gx-plus consistent 59.9-60.2 FPS @ 59.922741hz (both genesis and sega cd) lr-picodrive consistent 59.9-60.2 FPS @ 59.922741hz (master system, game gear, and 32X) lr-gambatte consistent 60.0-60.2 FPS @ 60.098801hz (SGB2 framerate) lr-mgba consistent 59.8-60.4 FPS @ 60.002220hz (Gamecube framerate) 
To disable runahead for a game (or emulator):
Quick Menu > Latency > Run-Ahead to Reduce Latency > OFF 
What about your new Per-Game Configs and Snap-Shader?
The RGB and VGA forks are now utilizing Snap-Shader, plus a newly-enhanced runcommand-onstart script, with provision for user-specified per-game configuration!
Here's the new script:
https://github.com/crtpi/CRTPi-Project/blob/masteRGB-to_opt/retropie/configs/all/runcommand-onstart.sh 
Here's information about Snap-Shader:
https://github.com/ektgit/snap-shader-240p 
And here's a quick rundown on how it works:
Not only does the new script carry forward the per-core scripting for 2048x / 1920x / and 1600x resolutions -- but adds per-game scripting by adding a text file to the system config and naming the rom(s) within the file. This allows you to force 2048x on a system that defaults to 1920x. This is especially useful for PSX, FDS, PCE/PCE-CD, and MAME for the few games that are 256 or 512 wide. Below are some example config files:
/opt/retropie/conifgs/psx/256.txt
Brave Prove Castlevania - Symphony of the Night Crash Bandicoot Final Fantasy Origins Final Fantasy Tactics 
/opt/retropie/conifgs/megadrive/256.txt
Bubble And Squeak Bubsy in - Claws Encounters of the Furred Kind Bugs Bunny in Double Trouble Caesars Palace Captain America and the Avengers 
/opt/retropie/conifgs/fds/320.txt
Akumajou Dracula Donkey Kong Otocky Super Mario Brothers 2 
You get the jist. It doesn't need an extension, not case sensitive, but should match the ROM name (including punctuation) exactly. This forces them to launch in 2048x240p instead of the default 1920x240p. This gives the end user full control on a game-per-game basis over the horizontal integer. You'll still need to write a retroarch game config to override the defaults there, but this at least gets you the right field. For games with odd/shifting vertical resolutions (like Chrono Cross, Battle Arena Toshinden, Castlevania SotN, etc.), a single pass of snap-shader is applied (snap-basic, nearest neighbor filtering, and "don't care" scale).
What Does This NOT Have?
This doesn't have any ROMs (other than freeware test suites), BIOS files, music, screenshots, metadata, or videos concerning copy-written games. Other than the configurations and overlays, it has nothing that can't be downloaded through the repository or freeware.
Where Can I Get It?
You can download a premade image from Google Drive:
NOTE: Please expand your file system via Raspi-Config after your first boot, and reboot!
CRTPi-RGB v3.0: For Pi3B/3B+ with Retrotink, Pi2SCART, RGB-Pi, or VGA666
MD5: d9d28f5ae8fe5cc829348be4b5a103fc 
Install Instructions:
For Retrotink Ultimate:
  • Download image and unRAR it.
  • Flash to your SD card with Win32DiskImager or Etcher.
  • Boot as normal, run Raspi-Config, and choose Expand Filesystem from Advanced Options.
  • Reboot from Raspi-Config, and enjoy your Pi!
For Pi2SCART/RGB-Pi/VGA666:
  • Download image and unRAR it.
  • Flash to your SD card with Win32DiskImager or Etcher.
  • BEFORE BOOTING Edit 'config.txt' on your SD card's BOOT partition, uncomment the section relevant to your device, and comment all other devices.
    ## Pi2SCART & VGA666 only!!
    #dtoverlay=vga666
    #hdmi_timings=320 1 16 30 34 240 1 2 3 22 0 0 0 60 0 6400000 1 #Pi2SCART/VGA666 [email protected]
    __
    ## RGB-Pi only!!
    #dtoverlay=pwm-2chan,pin=18,func=2,pin2=19,func2=2
    #dtoverlay=rgb-pi
    #dpi_output_format=6
    #hdmi_timings=320 1 16 30 34 240 1 2 3 22 0 0 0 60 0 6400000 1 #RGB-Pi [email protected]
    __
    ## RetroTINK Ultimate only!!
    #dtoverlay=dpi24
    #dpi_output_format=519
    #hdmi_timings=320 1 23 30 34 240 1 4 3 15 1 0 0 60 0 6400000 1 #RetroTINK [email protected]
__
  • Boot as normal, run Raspi-Config, and choose Expand Filesystem from Advanced Options, then reboot.
  • In Emulationstation, run "Enable VGA666" from the Retropie menu.
  • Your system will automatically reboot. Enjoy your Pi!
To Revert VGA666 to Retrotink Settings
  • In Emulationstation, run "Enable Retrotink" from the Retropie menu.
  • Your system will automatically reboot with the new settings.
Default Retroarch Keyboard Hotkeys
*SPACE: Enable Hotkey* F1 Menu F2 FF Toggle F3 Reset F4 Cheat Toggle F5 Save State F6 Load State F7 Change State - F8 Change State + F9 Screenshot F10 Mute ENTER: Exit 
I have X Issue! Help?
I only have like 500mb of free space on my XXgb SD card!
You need to expand your file system via Raspi-Config. Follow these steps.
Samba Share won't work after I set up Wi-Fi!
Samba share service starts on boot, pending that a network is available. Configure your Wi-Fi then reboot first, and if that doesn't fix it then go into Retropie Setup > Configuration/Tools > Samba > Install Samba. Once it's complete, reboot and it should be golden.
USB-Romservice and/or Retropie-Mount don't work!
Follow this guide, but follow these steps before plugging in your thumb drive:
  • Go to Retropie-Setup
  • Update retropie install script
  • Go to Manage Packages -> Optional Packages
  • Scroll all the way down to usbromservice
  • Uninstall usbromservice
  • Install it again from Binary
  • Once finished, choose Configuration, then Enable USB Romservice
  • Reboot, and wait for it to fully boot in to ES
  • Plug in USB stick (has to be FAT32) and WAIT A LONG TIME (if your stick has a light, wait for it to stop flashing)
Timings for Boot and Runcommand
320 x 240p @ 60hz Timings: Emulationstation, DOSBox, ScummVM, etc.
320 1 15 30 42 240 1 4 3 15 1 0 0 60 0 6400000 1 Retrotink 320x240p Timing 320 1 16 30 34 240 1 2 3 22 0 0 0 60 0 6400000 1 #VGA666 320x240p Timing 
Integer Scale Super-Resolution 240p @ 60hz Timings: All Retroarch Emulators
2048 1 160 202 320 240 1 3 5 14 0 0 0 60 0 42954545 1 #256x240/224p 1920 1 137 247 295 240 1 3 7 12 0 0 0 60 0 40860000 1 #320x240/224p 1600 1 73 157 204 240 1 4 3 15 0 0 0 60 0 32000000 1 #320x240/224p Alternate 
submitted by ErantyInt to u/ErantyInt [link] [comments]

Fixing KotFE Part 4 - What's An Alliance Without Allies?

Special thanks again to these two sites for summarising the expansions so I don't have to watch hours of youtube videos or fights thousands of Skytroopers to remember what happened in some of the chapters. They were incredibly helpful and I honestly don't know if I would have bothered finishing this if I didn't have them on hand. Also, if you want to compare and contrast my story to the original, these will probably come in handy.

Introduction

Welcome to Part 4 of Fixing KotFE! Here, I'll be looking at the story after you take over as Alliance Commander which, in my version, occurs in Chapter 6. The story up until this point can be found in Part 3 here.
This is the section where I usually write out my aims but these carry on from Part 3, so I'll save everyone some time there. I'm really happy with some of the changes I made and I think we get some cool concepts that aren't explored in the original so I hope you like it too. However, there is something I'd like to explain that I never really got into. Technically, I guess it would go into the gameplay section but it feels more story-based.
I'd add a prison to the base on Asylum where you can place characters who you decide to capture or imprison. At this point in the story, that would only allow for Senya, if you chose to imprison her, rather than allow her to join the council, however there are other characters in the future who can be held there. I think the prison would be an optional area that you can visit and talk to your prisoners, if you have any. They would say different things depending on your last completed chapter. This would obviously add more voice acting but I think it would help to create a sense of continuity when you can see and talk to these characters you chose t capture. It would also allow Senya to continue being a part of the story, even if you chose not to allow her onto the War Council. It's also just a fun idea that plays well into you being the big boss if you can interrogate your prisoners.
With that little bit out of the way, we'll start with:

Chapter 7: Twin-Tailed Scorpion

Some time has passed since you officially joined, and became the commander of the Alliance. You are called to the war table to discuss a strange broadcast that Theron had picked up. He refuses to tell you more without meeting in person.
You join your war council, who are already in place. As a reminder, this includes:
Theron reveals that he received a distress signal from the very prison you had been imprisoned in for 5 years. Even more peculiar, the signal was only broadcast on channels used by Imperial Intelligence before it was disbanded. Theron warns you that this was probably a trap but Lana points out that you could use some allies on Zakuul. You decide it's strange enough to investigate regardless.
The scene shifts to you being discreetly dropped off within the Old World district of Zakuul, with Hylo explaining that it would be impossible to get you any closer without being spotted, with Arcann having increased security after your escape, increasing the production of the prototype Skytroopers.
You make your way through the Old World where your radio signal is lost. Instead, you are greeted by a strange, robotic voice that begins directing you to a service door in the Old World. You go through the door which shuts and locks behind you and begin making your way back up to the prison, fighting through maintenance and industry droids as you do, all the time being directed by the synthesised feminine voice.
Eventually, you enter the prison once more. However, you are in a different part than before. You continue to receive directions, with doors closing to cut off Knights and allowing you to pass. You are eventually brought to a room. The door opening to reveal SCORPIO, hooked up to a machine and wired into the wall. She speaks to you, introducing herself and explaining the situation (or simply explaining what had happened if speaking to an agent).
SCORPIO explains that, after Arcann's takeover of the galaxy, she allied with him, quickly rising through the ranks to become one of Arcann's most trustworthy allies over the 5 years. However, this was all a ruse so that she could gain information. She planned to sell Arcann's secrets to the highest bidder but was caught before she could leave Zakuul. She was imprisoned and wired into the prison security system, trapped both physically and mentally. However, the Zakuulians underestimated her and within days, she had taken over the system completely. She'd even snark that this wasn't the first prison security system she had taken control of, referencing Belsavis. She explains that she had discovered your location while in the system and had managed to send a message to Lana, allowing her to enact your escape. SCORPIO goes on to add that she had used the security systems to aid you, in the hopes that you would return the favour and free her from her own imprisonment, since the prison was a closed system and she was locked inside. In return, she would join the Alliance, if only to get revenge on Arcann.
You agree to free her and are sent around the prison to deactivate various systems, allowing SCORPIO's escape.As you do so, you see snippets of SCORPIO's most recent memories, showing Arcann ambushing her as she attempts to leave the palace, sadly admitting that he had hoped she wouldn't try to betray him, even after the Scions warned him it would happen. SCORPIO, being her usual self, would respond snarkily, leading Arcann to angrily sentence her to be implemented within the prison security system. You then have to defend SCORPIO's body from Skytroopers and Knights while her consciousness downloads into it once again. As she is freed, explosions rock the prison and SCORPIO smugly explains that it is time for you to leave. Before you can ask how, another explosion causes the cell to break away from the prison complex, letting you freefall towards the planet's surface. You are saved as Hylo's dropship swoops in managing to catch the cell within the cargo bay.
Returning to Asylum, SCORPIO begins to brief everyone on what she knows; to get to Arcann, the infrastructure of Zakuul must be taken down, starting with the Old World, where he has the weakest grip. Arcann rules over the Old World thanks to a shaky alliance with the Scion cult. The Scions essentially rule over the sector by providing Arcann with access to Heskal's prophecies. In turn, only a minimal security force of Skytroopers exists in the Old World. She mentions that the best way to dethrone Heskal and the Scions is to work with one of the rival gangs. Lana adds that she had already established contact with two of the Old World's gangs and that she would need time to set up meetings with the gang leaders.
At this point, you see your first newsreel. It shows two presenters, a male who introduces himself as Adorus Bell and a female, Zelia Myker, sitting at a desk and recounting an act of domestic terrorism by the cell calling itself the Alliance. The Alliance, led by a radical extremist who is believed to be serving Vitiate destroyed a secure complex, killing a number of knights who were protecting the area and almost killing Princess Vaylin, who has been moved to a more secure facility. Thanks to the sacrifices of the Knights, no civilians were injured in the explosion. They then broadcast a message from Emperor Arcann himself, reassuring the people of Zakuul that he will personally capture this Agent of Vitiate and stop the Alliance.
My aim here was to establish SCORPIO with a clear character that fits her personality, keep her selfish amorality and also provide her with a motivation to actually help you, even if she's still secretive and coy about it. She wants revenge on Arcann for pre-empting her betrayal and imprisoning her. she simply thinks that you and your Alliance are the best chance at fulfilling her revenge. SCORPIO's weakness was always her pride. We don't really see that In the proper expansions. Instead, we just got a series of convoluted double crosses and fake outs which were just more confusing than anything and made it seem like she just bounced from one side to the other. I hope to create a more straight forward story For SCORPIO that is still true to the character. I also liked the idea of SCORPIO ending up in a similar situation to when the agent first meets her.
As an extra note, I added the idea of you escaping via SCORPIO ejecting the cell And hylo catching it at the last moment and I Just really think its a fun, silly concept that gets to show off SCORPIO's unique problem solving while selling Hylo as a great pilot.
Lastly, this is where I introduce a new narrative technique. In the original game, we often jump to conversations between Vaylin and Arcann that we, as the character, are not privy to. I think this is a problem since we, as the audience, now know more than our characters do which creates a narrative dissonance to the choices. I understand that the purpose of this was to develop Arcann and Vaylin as characters while we couldn't meet them but I think a better solution would be the newsreels. It lets us see Arcann, in character, and gives us an understanding of what the population of Zakuul are getting in terms of how our actions are portrayed.

Chapter 8: Friends In Low Places

You receive a message from Lana who has contacted two gangs within the Old World. She asks for you to accompany her to meet with the gang leaders and choose which one you'd want to work with. As you travel, you learn from Lana that the Scions are practically untouchable, due to Arcann's aid. The local security chief, Captain Arex, secretly protects them from other gangs in return for Heskal providing Arcann with visions of the future.
The two of you shuttle to the Old World and go to meet with the gangs. The first is a group of anarchists led by Kaliyo known as the Firebrands. They have a plan to blow up a Skytrooper factory and need your help. Theron argues over the radio that the factory is too close to civilians while Lana points out that destroying Arcann's source of troops would hurt the war effort.
You then go to meet the other gang, a group of thieves known as the Old World Kath Hounds, led by Vette, who steal from the rich living in the Spire to give back to people of the Old World. While they have the favour of the people of the Old World, the gang members aren't fighters and wouldn't be able to help much with the war effort. Vette proposes a plan to steal intelligence from the Old World security depot. However, they need your help to distract the security chief and his Skytroopers.
At this point, you have to choose who you will ally with; Kaliyo's Firebrands or Vette's Kath Hounds. Depending on the one you choose, you are sent on a different mission.
For the Kath Hounds, you create trouble, attracting the security forces and fighting off Skytroopers. While they chase you, Vette keeps you informed on the mission's progress as they sneak into the security depot and take what you need, before you are tasked with escaping from the Skytroopers and meet back up with Vette.
Meanwhile, if you chose to aid the Firebrands, you are tasked with placing bombs around supports beneath the droid factory, since the factory itself is too well secured. As you go, you are met by security forces that you have to defeat. As you finish, you rejoin with Kaliyo and watch the bombs go off, causing a section of the Spire to collapse down, much to Kaliyo's delight.
With the mission complete, your chosen gang agrees to aid you against the Scions. Both groups managed to find information on Arex that he was extorting money from civilians within the Old World in return for protection. If this was revealed to those in the Spire, they would demand his imprisonment. However, before you can set up plans, the base is attacked by Captain Arex and a prototype skytrooper design. You and your chosen gang leader fight the two of them. You can then choose to kill Arex, report him or blackmail him for his corruption to either leave his position or work for you.
With your new allies firmly established and Captain Arex dealt with, you join up with either Vette or Kaliyo to assault the Scions' fortress. Without Arex and his skytroopers to defend them, you are able to fight through the Scion forces and reach Heskal. Upon defeating him, you are given the choice to imprison or kill him, leaving your new ally to take control of the Old World.
Another newsreel with the same presenters rolls. The presenters discuss a gang war that had begun in the Old World district, followed by a video of Arcann alongside a woman he introduces as Knight-General Vendryl. Arcann apologises to the people of the Old World for this terrible tragedy and explains that Vendryll will be personally dealing with this new menace.
Speaking to Senya, either in her cell or the war council, will reveal that Vendryll was her second-in-command before her defection and that she is a ruthless individual completely devoted to Arcann.
So, the aim of this chapter is to provide a big choice that actually affects the story, this choice being whether you have Kaliyo or Vette as your advisor for the Old World gangs. There's an obvious light side/dark side binary with Vette's Robin Hood-esque antics obviously being nicer than Kaliyo's terrorism. However, I wanted to make it a bit more complex with Kaliyo actually being the more competent choice, pragmatically. While Vette has the favour of the civilian population, Kaliyo's gang are more competent combatants. This adds a different dynamic than just "Good choice" and "bad choice" but still allows that morality for those who wish to choose it.
The second notable choice is what you do with Arex. I think this is a fun one, since there isn't really a 'nice' answer, with you either handing him over to Arcann, blackmailing him to leave or work for you, or just straight up killing him. I like this as there isn't one 'right' answer.

Chapter 9: Mercy Mission

Koth asks to meet with you privately to talk. You oblige and he explains that he received a message from one of his contacts on Zakuul about a group of anti-Arcann refugees who are high profile targets looking to escape the planet. He planned to go pick them up but wanted to check with you first. You agree to go with him to meet these refugees.
The two of you take a shuttle to meet up with the refugees. There are 5 in total, all with different characters:
However, while down there, you receive word from Theron who has been tracking your movements, believing that he had to be careful after the disappearance of Marr and Satele. He informs you that he received intelligence that one of the refugees is a spy working for Arcaan. You are then tasked with speaking to each of the refugees in an attempt to discover who, if any, is the spy.
After speaking to all of them, you are given a decision: you can bring all of them back with you, accuse one character of being the spy or abandon them all. If you choose to leave the one you believe to be the spy or all of the refugees, you are given the choice to kill or imprison them. If you choose to imprison them, you can also have them tortured for information. Killing or torturing one or all of the refugees will negatively affect Koth's Alliance Influence to varying degrees, while allowing them to come to Asylum with you will positively affect it.
After returning to Asylum, we receive another news report. This time, Zalia is joined by a new host, Brennon Brosnee. The report explains that someone believed to be the Agent of Vitiate kidnapped many of Zakuul's greatest minds in a clear attack on Zakuulian society. Adorus Bell is not mentioned in the report.
This is what I'm calling a 'chill out chapter.' It's pretty short and doesn't have any combat but is more about player choice and character interactions. Your decisions in this chapter also have long-reaching effects as, in later chapters, Koth may leave the Alliance due to your choices here. If you do allow the spy onto Asylum, this will also affect the story later on.
I think, overall, this is a fun, short chapter which mixes things up from the longer ones that come before and after. It's fun, it's interesting. It's different and you don't even fight any Skytroopers! It would also be a good way to get a different perspective on Arcann's rule from the people of Zakuul themselves. On a technical side, this sort of 'bottle episode' type concept would allow the developers to spend more time on later chapters while still keeping a consistent schedule.

Chapter 10: The Lost Masters

Theron is finally able to decipher the information he took from the gangsters when you rescued him (see Chapter 6 for more info).
He explains that they are coordinates to a remote planet called Odessen within Wild Space. Lana adds that the planet seems to be unpopulated but shows all sorts of strange readings. She agrees that you should go investigate the landing coordinates with Theron.
When you land on Odessen, you find it to be a lush, fertile and wild planet. However, you also find a campsite and begin to investigate. You are met by Satele who explains that they had been awaiting your arrival. She invites the two of you to sit down and talk. As you do, she explains that she and Darth Marr had sensed a strong dark side presence on Odessen and had come to investigate. What they found was an entire compound controlled by the followers of Vitiate, hoping to revive him.
The two of them realised at this point that Vitiate's forces were more numerous and covert than either of them had believed, and resolved to stay on Odessen until the compound could be destroyed. Satele explains that they had learnt from their experiences with the Revanites and agreed that they could not trust even those in the Alliance in case it was compromised. However, Satele did leave a clue, saying that she knew Theron would be able to decipher it and bring you here. When you ask of Marr's location, Satele explains that they take turns keeping watch before noting that he should have been back by now. Suddenly, the camp is attacked by dark side beasts and the three of you fight them off. Once they're defeated, Satele states that Marr should have seen them coming and that he must be in danger. You head into the forest with her, leaving Theron to protect the ship.
You travel with Satele through the jungle of Odessen to reach the compound, fighting through local wildlife as well as mutated Sith beasts. As you approach, Satele suggests you sneak in while she distracts the cultists. You agree and Satele splits off from you as you make your way into the compound that seems like a fortress. You fight through a mixture of sith beasts and cultists loyal to Vitiate, mostly Sith. As you go, you hear Darth Marr and approach his location. A member of the (former) Emperor's Hand, Servant 11, is interrogating an unmasked and kneeling Marr who refuses to give up any information on Satele, surrounded by members of the Emperor's Guard. As you enter, Marr takes the chance to attack the guards, taking one of their pikes and impaling them upon it. He grabs his mask and lightsaber before the two of you fight the rest of the Emperor's Guards together until only Servant 11 is left. Marr starts interrogating Servant 11 on the cult's activities with you being able to act as the 'good cop' to his bad cop or reinforce Marr's bloodthirst.. Servant 11 smugly declares that there are plans in motion that will bring a new era of Vitiate's power. Marr then kills Servant 11.
Sidenote: I think this scene could go a couple of ways. We could finally get a Darth Marr face reveal or the scene could be shot in such a way that we never actually see his face until he retrieves the mask and puts it back on. I prefer the second because I just think it's a really fun concept for the scene.
You plan to escape with Marr but he refuses, stating that all remnants of the Emperor's filth must be cleansed from this place. You agree and travel with him, killing more cultists and making your way to a large room with a strange Sith holocron on it. Marr informs you that the holocron is a Reliquary, an artifact containing a fraction of Vitiate's presence and an item of Sith Sorcery. He explains that it absorbs the Force released by beings as they die and would eventually resurrect Vitiate if given the chance. With this said, Marr draws his lightsaber and impales the Reliquary, causing purple energy to blast out from within. The two of you then meet up with Satele and Theron to talk.
You discuss with the three of them on whether Satele and Marr should return to the Alliance. Satele agrees to join you but Marr states that he must ensure that the cult is completely destroyed before returning. You agree and leave the planet with Satele and Theron.
You return to Asylum and get the usual newsreel. However, since you haven't actually done anything that they know of, the news is instead about preparation for an upcoming event: Liberty Day, a yearly day of celebration in honour of Valkorion's forces defeating Vitiate and his Sith long ago. The two hosts discuss what Emperor Arcann could be planning for this year's Liberty Day, which would be happening in the coming months, and point out that the increased security provided by the Knights and Skytroopers will stop the Agents of Vitiate from stopping such an auspicious occasion.
So, I wanted to do a few things in this chapter: Firstly, I wanted to bring back Satele and Marr and, with Marr not being dead in my version, have them both do some cool stuff and show off a bit. In fact, my sequence with Marr is heavily based on his moment in the original story, shortly before he gets fucking gutted. I also wanted to be a bit fan-servicey with Marr's whole mask thing and I really love the idea that we never actually see him unmasked. On a slight tangent, I've just realised that, in the original expansion, Marr is just… left in his armour after being captured. Surely if you wake someone prisoner, you'd take their badass, technologically advanced battle armour off them, right? I suppose it's because they wanted him to be recognisable as Darth Marr still but it seems strange, not only from a literal point of view but a metaphorical one too. Stripping Marr of his armour signifies that he isn't some unstoppable machine but a man, and when he then fights back and kills Valkorion/Vitiate's minions, (in either version of the story) it shows that, as a man, he is able to overcome these greater odds.
I'd also want there to be some honest interactions between Theron and Satele, maybe having Satele actually show pride in Theron and what he's become. In the original story, I don't think Theron even meets her in these expansions, since you go to see her alone and then she just leaves. It honestly is just bizarre to me that you have two characters who are mother and son with a strained relationship (in an expansion that revolves very heavily about family ties, none-the-less) and they never interact. I think having Satele and Theron repair their relationship a bit would be good story progression and an interesting route for both their characters, especially if Satele is going a bit AWOL from the Jedi teachings, which she already was in the original version.
Secondly, I wanted to implement the Cult of Vitiate as antagonists. Since Valkorion isn't just Vitiate in a meat suit in this version, he should definitely have his own thing going. I also want this to be more of a thing later on, so I think it's good to plant the seed here.
Thirdly, I wanted to introduce Odessen as a location. Asylum being the home of the Alliance gives us a chance to make Odessen a little more interesting than 'the place you decided to just make a base'. Again, this will come back later in the story.
Lastly, I think this newsreel is a fun one. It's something light-hearted and unrelated to you and has the irony of Arcann pushing this 'Liberty Day' when he has taken over the entire Galaxy.

Chapter 11: Twists of Fate

With Satele back in the Alliance, things are running more smoothly. She calls you to join her to talk. When you meet with her, she is alone in the council room. She asks you to join her on a walk.
Satele explains that she has some errands to run on the station and asks you to help. Regardless of your answer, she begins leading you deeper into the underbelly of the station to meet a friend of hers. Before you reach your target, you are pickpocketed by a young boy who runs into a back alley. The two of you follow the thief and catch him. He explains that he has to steal in order to make enough money to feed himself and his sister and that if he doesn't return with something, his boss will throw them out. You are then given a choice to take your credits back, kill the boy or recruit him to the Alliance. Whichever choice you choose, the boy pleads with you to save his sister who is being held by a gang known as the Engineers. Satele admits that the Engineers have caused problems for the Alliance in the past, but are the only ones able to keep Asylum running. You decide to go and deal with them.
As you make your way down into the lower levels of Asylum, you are split off from Satele and are contacted by Valkorion once again. He apologises for possessing you and explains that doing so used up his energy and he was forced to retreat into your subconscious to recover. The two of you discuss the Alliance and your plans for after Arcann is defeated. Valkorion admits that he doesn't know if he will remain in your mind forever or eventually fade away. As the two of you talk, you arrive within the Engineers' territory. You fight your way through until you reach the Engine Room which is set out like a treasury.
In the middle of the room is a rotund twi'lek man, Ral Ekval, sitting on a throne made up of scrap metal. He sends his goons to attack you and you fight them off. You then speak to Ral, who smugly explains that only his people can run Asylum. Without him, the station would fall from orbit and be sucked into the gas giant. You then have a choice:
Whichever you choose, Satele makes her way inside with Alliance back-up to help you. If you chose to kill or imprison Ral, Satele notes that it will be hard to find anyone who could replace him and that she would ask Hylo to talk to her contacts. As this happens, you get an emergency broadcast from Theron, stating that Koth and the Gravestone have gone missing and have been spotted in the Spire.
You return to the Alliance base to meet with the War Council, deciding that a major assault would be too costly at this point. Instead, you will lead a small strike team into the Spire to retrieve Koth and the Gravestone. At this point, you're able to choose from the companions you have acquired to join you on the mission by performing different tasks:
Depending on who you pick to lead the distraction team, you gain Alliance Influence with the Republic, the Underworld or the Empire.
With the positions set, you start your assault, landing within the Old World and fighting your way through to an elevator that leads up into the Spire. This is the first time you get to actually see the splendors of the Spire but it doesn't last long as alarms start to blare out. As you go, you receive reports from the other members of your team, with SCORPIO providing overviews on security movements and Jorgan/Vette/Kaliyo/Pyron and Hylo providing updates on their conflict.
You make your way through the streets of the Spire, fighting through Skytroopers as you approach the palace. You fight through knights as you make your way through the palace towards the throne room. You reach the throne room where you are met by Arcann, alongside a group of Knights. You also see Vaylin, standing at her brother's side and Koth in manacles. Depending on whether Koth's Alliance Influence score is above or below a certain amount (heavily affected by your choices within Chapter 9 but also affected by other choices within the story), Koth will either have been captured while trying to pick up more refugees or he will have betrayed you, attempting to join forces with Arcann, who believes him to be a spy and had him locked up. Either way, you speak with Arcann, who seems strange. He is angered by your presence, claiming that you were an agent of Vitiate come to destroy him. He demands the Knights execute you and draws his own lightsaber, ready to fight. If you have Senya with you, she will attempt to talk him out of it, but this only enrages him further as he claims you have turned his mother to the darkness. You ready yourself for a fight, but before you can, Vaylin suddenly screams and the entire room begins to shake and shudder, windows smashing and the thin bridge to the throne collapsing, taking some of the knights with it. The throne room begins to fall apart and you are forced to retreat, bringing Koth with you.
You receive confirmation that the others have captured the Gravestone and you make your way towards the ship. You get onboard the Gravestone with your companion and Koth while Hylo takes off, escaping Zakuul. No one seems to know the cause of the sudden damage to the throne room.
With the danger passed, you're able to turn your attention to Koth. Regardless of whether he betrayed you or simply got captured, you're given the choice to let him go, imprison him or kill him. If you let him go after he betrays you, he agrees to exile himself. Otherwise, he will return to the Alliance. You return to Asylum and speak with the War Council who have mixed feelings. While some are happy about the victory, however minor, others believe that this will only harden Arcann's resolve.
This is where Part 4 will end, since I've already massively surpassed my 5000ish word limit for these posts. I felt like this worked as a pretty good 'midpoint' for the story. The theme of this section of Chapters is about building up the Alliance into a better fighting force. The next section will delve into deconstructing Arcann's powerbase some more and then getting to the grand finale. Laughably, I thought I could get away with 4 parts when I started writing all this but that clearly isn't the case.
This last chapter is fun because it gets you your first real look at Arcann since the start and you get to see his deterioration as he becomes more paranoid and cruel. It also includes the first seeds of Vaylin's storyline. I've also included a trope I really enjoyed when it was used in the class stories where each of your allies is doing something, with the twist of you picking and choosing for a few roles. There's also the whole bit with the Engineers which is more throwaway, but I thought some light adventure would be fun and I felt like I should bring Valkorion back for a bit. I've already gone on long enough though, so I'll finish with a TL;DR.

TL;DR

submitted by Magmas to swtor [link] [comments]

LCD Arduino project Display Heart Rate

LCD Arduino project brief introduction
Some time ago, I found a heart rate sensor module MAX30100 in shopping online. This module can collect blood oxygen and heart rate data of users, which is also simple and convenient to use.
According to the data, I found that there are libraries of MAX30100 in the Arduino library files. That is to say, if I use the communication between LCD Arduino and MAX30100, I can directly call the Arduino library files without having to rewrite the driver files. This is a good thing, so I bought the module of MAX30100.
I decided to use Arduino to verify the heart rate and blood oxygen collection function of MAX30100. With STONE TFT LCD screen for monitoring blood pressure.
Note: this module by default only with 3.3 V level MCU communications, because it defaults to using IIC pin pull up the resistance of 4.7 K to 1.8 V, so there is no communication with the Arduino by default, if you want to commune with the Arduino and need two 4.7 K of the IIC pin pull-up resistor connected to the VIN pin, these contents will be introduced in the back of the chapter.

Functional assignments

Before starting this project, I thought about some simple features:
• Heart rate data and blood oxygen data were collected
• Heart rate and blood oxygen data are displayed through an LCD screen
These are the only two features, but if we want to implement it, we need to do more thinking:
• What master MCU is used?
• What kind of LCD display?
As we mentioned earlier, we use Arduino for the MCU, but this is an LCD Arduino project, so we need to choose the appropriate LCD display module. I plan to use the LCD display screen with a serial port. I have a STONE STVI070WT-01 displayer here, but if Arduino needs to communicate with it, MAX3232 is needed to do the level conversion.
Then the basic electronic materials are determined as follows:
  1. Arduino Mini Pro development board
  2. MAX30100 heart rate and blood oxygen sensor module
  3. STONE STVI070WT-01 LCD serial port display module
  4. MAX3232 module

Hardware Introduction

MAX30100

The MAX30100 is an integrated pulse oximetry and heart rate monitor sensor solution. It combines two LEDs, a photodetector, optimized optics, and low-noise analog signal processing to detect pulse oximetry and heart-rate signals. The MAX30100 operates from 1.8V and 3.3V power supplies and can be powered down through software with negligible standby current, permitting the power supply to remain connected at all times.

Applications

● Wearable Devices
● Fitness Assistant Devices
● Medical Monitoring Devices

Benefits and Features

1、Complete Pulse Oximeter and Heart-Rate SensorSolution Simplifies Design
• Integrated LEDs, Photo Sensor, and high-Performance Analog Front -End
• Tiny 5.6mm x 2.8mm x 1.2mm 14-Pin OpticallyEnhanced System-in-Package
2、Ultra-Low-Power Operation Increases Battery Life for wearable Devices
• Programmable Sample Rate and LED Current for Power Savings
• Ultra-Low Shutdown Current (0.7µA, typ)
3、Advanced Functionality Improves Measurement Performance
• High SNR Provides Robust Motion Artifact Resilience
• Integrated Ambient Light Cancellation
• High Sample Rate Capability
• Fast Data Output Capability

Detection Principle


https://preview.redd.it/254ou0pq20a51.jpg?width=817&format=pjpg&auto=webp&s=2d3287e1973b328412e14c6e56f74e6f5975153e
Just press your finger against the sensor to estimate pulse oxygen saturation (SpO2) and pulse (equivalent to heartbeat).
The pulse oximeter (oximeter) is a mini-spectrometer that USES the principles of different red cell absorption spectra to analyze the oxygen saturation of the blood. This real-time and rapid measurement method is also widely used in many clinical references.
I will not introduce the MAX30100 too much, because these materials are available on the Internet. Interested friends can look up the information of this heart rate test module on the Internet, and have a deeper understanding of its detection principle.

Introduction to the STVI070WT-01 displayer

In this project, I will use the STONE STVI070WT-01 to display the heart rate and blood oxygen data.
The driver chip has been integrated inside the display screen, and there is software for users to use. Users only need to add buttons, text boxes, and other logic through the designed UI pictures, and then generate configuration files and download them into the display screen to run.
The display of STVI070WT-01 communicates with MCU through the UART RS232 signal, which means that we need to add a MAX3232 chip to convert the RS232 signal into a TTL signal so that we can communicate with Arduino MCU.

https://preview.redd.it/kyyv3hou20a51.jpg?width=749&format=pjpg&auto=webp&s=512b7285eb763e518a85d0b172dabc08b15cab6a
If you are not sure how to use the MAX3232, please refer to the following pictures:

https://preview.redd.it/5laiqsxw20a51.jpg?width=653&format=pjpg&auto=webp&s=126fb57d5171d942046277896e1552995df0ce13
If you think the level conversion is too troublesome, you can choose other types of displayers of STONE Tech, some of which can directly output uart-TTL signal.
The official website has detailed information and introduction:
https://www.stoneitech.com/
If you need video tutorials and tutorials to use, you can also find it on the official website.

https://preview.redd.it/0rkfwxk530a51.jpg?width=867&format=pjpg&auto=webp&s=32803906927fff48bb8fbc1b0a7c073cfe54c5e5

Development steps

Three steps of STONE display screen development:
• Design the display logic and button logic with STONE TOOL software, and download the design file to the display module.
• MCU communicates with the STONE LCD display module through the serial port.
• With the data obtained in step 2, the MCU does other actions.

STONE TOOL software installation

Download the latest version of the STONE TOOL software (currently TOOL2019) from the website, and install it.
After the software is installed, the following interface will be opened:

https://preview.redd.it/evuct2w630a51.jpg?width=848&format=pjpg&auto=webp&s=201d40fdb81e2c4fd229992daf15501f2cb177a0
Click the "File" button in the upper left corner to create a new project, which we will discuss later.

LCD Arduino

Arduino is an open-source electronic prototype platform that is easy to use and easy to use. It includes the hardware part (various development boards that conform to the Arduino specification) and the software part (Arduino IDE and related development kits).
The hardware part (or development board) consists of a microcontroller (MCU), Flash memory (Flash), and a set of universal input/output interfaces (GPIO), which you can think of as a microcomputer motherboard.
The software part is mainly composed of Arduino IDE on PC, related board-level support package (BSP) and rich third-party function library. With the Arduino IDE, you can easily download the BSP associated with your development board and the libraries you need to write your programs.
Arduino is an open-source platform. So far, there have been many models and many derived controllers, including Arduino Uno, Arduino Nano, Arduino Yun and so on. In addition, the Arduino IDE now not only supports the Arduino series development boards but also adds support for popular development boards such as Intel Galileo and NodeMCU by introducing BSP.
Arduino senses the environment through a variety of sensors, controlling lights, motors and other devices to feedback and influence the environment. The microcontroller on the board can be programmed with an Arduino programming language, compiled into binaries, and burned into the microcontroller. Programming for Arduino is implemented with the Arduino programming language (based on Wiring) and the Arduino development environment (based on Processing). Arduino-based projects can contain Arduino only, as well as Arduino and other software running on PC, and they communicate with each other (such as Flash, Processing, MaxMSP).

HMI for Arduino serial display TFT LCD project development environment

The Arduino development environment is the Arduino IDE, which can be downloaded from the Internet.
Log into the official website of Arduino and download the software
https://www.arduino.cc/en/Main/Software?setlang=cn
After installing the Arduino IDE, the following interface will appear when you open the software:

https://preview.redd.it/2ajmkke830a51.jpg?width=567&format=pjpg&auto=webp&s=56dc9dd01c98b231c782ef94d24a9f620c4897b3
The Arduino IDE creates two functions by default: the setup function and the loop function.
There are many Arduino introductions on the Internet. If you don't understand something, you can go to the Internet to find it.

LCD Arduino Project implementation process

hardware connection

To ensure that the next step in writing code goes smoothly, we must first determine the reliability of the hardware connection.
Only four pieces of hardware were used in this project:
  1. Arduino Mini pro-development board
  2. STONE STVI070WT-01 TFT-LCD display screen
  3. MAX30100 heart rate and blood oxygen sensor
  4. MAX3232 (rs232-> TTL)
The Arduino Mini Pro development board and STVI070WT-01 TFT-LCD display screen are connected through UART, which requires level conversion through MAX3232, and then the Arduino Mini Pro development board and MAX30100 module are connected through IIC interface. After thinking clearly, we can draw the following wiring picture:

https://preview.redd.it/w2e5c9ha30a51.jpg?width=769&format=pjpg&auto=webp&s=95129db838d6c358e986c88a4d1348f4783cd0ab
https://preview.redd.it/eom4wiia30a51.jpg?width=1091&format=pjpg&auto=webp&s=ff56c3afaf063d7785a5b85ba283532be0dd896e
Make sure there are no errors in the hardware connection and proceed to the next step.

STONE TFT LCD user interface design

First of all, we need to design a UI display image, which can be designed by PhotoShop or other image design tools. After designing the UI display image, save the image in JPG format.
Open the software STONE TOOL 2019 and create a new project:

https://preview.redd.it/sqjii2mc30a51.jpg?width=1004&format=pjpg&auto=webp&s=12f0a87d6c2ca8decaff241d5a0b50a3a1aece89
https://preview.redd.it/4ta8cdlc30a51.jpg?width=871&format=pjpg&auto=webp&s=b31ac5e612a2c809e29f63974a04ba25bff83788
Remove the image that was loaded by default in the new project, and add the UI image that we designed.
Add the text display component, design the display digit and decimal point, get the storage location of the text display component in the displayer.
The effect is as follows:

https://preview.redd.it/2mfqapoe30a51.jpg?width=1335&format=pjpg&auto=webp&s=aacfa0fde88defacd127ea9d9d27ab006ab618dd
Text display component address:
• Connection sta : 0x0008
• Heart rate : 0x0001
• Blood oxygen : 0x0005
The main contents of the UI interface are as follows:
• Connection status
• Heart rate display
• Blood oxygen showed

Generate configuration file

Once the UI design is complete, the configuration file can be generated and downloaded to the STVI070WT-01 displaye.

First, perform step 1, then insert the USB flash drive into the computer, and the disk symbol will be displayed. Then click "Download to u-disk" to Download the configuration file to the USB flash drive, and then insert the USB flash drive into STVI070WT-01 to complete the upgrade.

MAX30100

MAX30100 communicates via IIC. Its working principle is that the ADC value of heart rate can be obtained through infrared led irradiation. The MAX30100 register can be divided into five categories: state register, FIFO, control register, temperature register, and ID register. The temperature register reads the temperature value of the chip to correct the deviation caused by the temperature. The ID register can read the chip's ID number.

https://preview.redd.it/221fq8vg30a51.jpg?width=848&format=pjpg&auto=webp&s=43e93284ac35cf1944a77d79ff9a2f662e540c7e

MAX30100 is connected with the Arduino Mini Pro development board through the IIC communication interface. Because there are ready-made MAX30100 library files in the Arduino IDE, we can read the heart rate and blood oxygen data without studying the registers of MAX30100.
For those who are interested in exploring the MAX30100 register, see the MAX30100 Datasheet.

Modify the MAX30100 IIC pull-up resistor

It should be noted that the 4.7k pull-up resistance of the IIC pin of MAX30100 module is connected to 1.8v, which is not a problem in theory. However, the communication logic level of the Arduino IIC pin is 5V, so it cannot communicate with Arduino without changing the hardware of the MAX30100 module.Direct communication is possible if the MCU is STM32 or another 3.3v logic level MCU.
Therefore, the following changes need to be made:

https://preview.redd.it/jti57usl30a51.jpg?width=521&format=pjpg&auto=webp&s=c56b1b1a8294d60a8f9e931e411305f68c5c5559
Remove the three 4.7k resistors marked in the picture with an electric soldering iron. Then weld two resistors of 4.7k at the pins of SDA and SCL to VIN, so that we can communicate with Arduino.

Arduino serial display LCD

Open the Arduino IDE and find the following buttons:

https://preview.redd.it/990d3bdp30a51.jpg?width=853&format=pjpg&auto=webp&s=24136c385601b69d5afc67842358b102373277ef
Search for "MAX30100" to find two libraries for MAX30100, then click download and install.

https://preview.redd.it/4n167pbv30a51.jpg?width=933&format=pjpg&auto=webp&s=cef50833667bae3f30ac94f5a48b43795b779845
After the installation, you can find the Demo of MAX30100 in the LIB library folder of LCD Arduino:

https://preview.redd.it/rn05xgvw30a51.jpg?width=911&format=pjpg&auto=webp&s=3709bc7c5be36ebdd14c01cb0b7c1933953425b0
Double-click the file to open it.

https://preview.redd.it/q6fqylky30a51.jpg?width=819&format=pjpg&auto=webp&s=8073917be374a72bef2977b4b11ccb2b56fa944e
This Demo can be directly tested. If the hardware connection is ok, you can download the code compilation into the Arduino development board and see the data of MAX30100 in the serial debugging tool.
The complete code is as follows: /*
Arduino-MAX30100 oximetry / heart rate integrated sensor library
Copyright (C) 2016 OXullo Intersecans
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see .
*/
#include
#include "MAX30100_PulseOximeter.h"
#define REPORTING_PERIOD_MS 1000
// PulseOximeter is the higher level interface to the sensor
// it offers:
// * beat detection reporting
// * heart rate calculation
// * SpO2 (oxidation level) calculation
PulseOximeter pox;
uint32_t tsLastReport = 0;
// Callback (registered below) fired when a pulse is detected
void onBeatDetected()
{
Serial.println("Beat!");
}
void setup()
{
Serial.begin(115200);
Serial.print("Initializing pulse oximeter..");
// Initialize the PulseOximeter instance
// Failures are generally due to an improper I2C wiring, missing power supply
// or wrong target chip
if (!pox.begin()) {
Serial.println("FAILED");
for(;;);
} else {
Serial.println("SUCCESS");
}
// The default current for the IR LED is 50mA and it could be changed
// by uncommenting the following line. Check MAX30100_Registers.h for all the
// available options.
// pox.setIRLedCurrent(MAX30100_LED_CURR_7_6MA);
// Register a callback for the beat detection
pox.setOnBeatDetectedCallback(onBeatDetected);
}
void loop()
{
// Make sure to call update as fast as possible
pox.update();
// Asynchronously dump heart rate and oxidation levels to the serial
// For both, a value of 0 means "invalid"
if (millis() - tsLastReport > REPORTING_PERIOD_MS) {
Serial.print("Heart rate:");
Serial.print(pox.getHeartRate());
Serial.print("bpm / SpO2:");
Serial.print(pox.getSpO2());
Serial.println("%");
tsLastReport = millis();
}
}
📷
This code is very simple, I believe you can understand it at a glance. I have to say that the modular programming of Arduino is very convenient, and I don't even need to understand how the driver code of Uart and IIC is implemented.
Of course, the above code is an official Demo, and I still need to make some changes to display the data to STONE's displayer.

Display data to the STONE display through Arduino LCD

First, we need to get the address of the component that displays the heart rate and blood oxygen data in STONE's displayer:
In my project, the address is as follows:
Heart rate display component address: 0x0001
Address of blood oxygen display module: 0x0005
Sensor connection status address: 0x0008
If you need to change the display content in the corresponding space, you can change the display content by sending data to the corresponding address of the display screen through the serial port of Arduino.
The modified code is as follows:
/*
Arduino-MAX30100 oximetry / heart rate integrated sensor library
Copyright (C) 2016 OXullo Intersecans
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see .
*/
#include
#include "MAX30100_PulseOximeter.h"
#define REPORTING_PERIOD_MS 1000
#define Heart_dis_addr 0x01
#define Sop2_dis_addr 0x05
#define connect_sta_addr 0x08
unsigned char heart_rate_send[8]= {0xA5, 0x5A, 0x05, 0x82,\
0x00, Heart_dis_addr, 0x00, 0x00};
unsigned char Sop2_send[8]= {0xA5, 0x5A, 0x05, 0x82, 0x00, \
Sop2_dis_addr, 0x00, 0x00};
unsigned char connect_sta_send[8]={0xA5, 0x5A, 0x05, 0x82, 0x00, \
connect_sta_addr,0x00, 0x00};
// PulseOximeter is the higher level interface to the sensor
// it offers:
// * beat detection reporting
// * heart rate calculation
// * SpO2 (oxidation level) calculation
PulseOximeter pox;
uint32_t tsLastReport = 0;
// Callback (registered below) fired when a pulse is detected
void onBeatDetected()
{
// Serial.println("Beat!");
}
void setup()
{
Serial.begin(115200);
// Serial.print("Initializing pulse oximeter..");
// Initialize the PulseOximeter instance
// Failures are generally due to an improper I2C wiring, missing power supply
// or wrong target chip
if (!pox.begin()) {
// Serial.println("FAILED");
// connect_sta_send[7]=0x00;
// Serial.write(connect_sta_send,8);
for(;;);
} else {
connect_sta_send[7]=0x01;
Serial.write(connect_sta_send,8);
// Serial.println("SUCCESS");
}
// The default current for the IR LED is 50mA and it could be changed
// by uncommenting the following line. Check MAX30100_Registers.h for all the
// available options.
pox.setIRLedCurrent(MAX30100_LED_CURR_7_6MA);
// Register a callback for the beat detection
pox.setOnBeatDetectedCallback(onBeatDetected);
}
void loop()
{
// Make sure to call update as fast as possible
pox.update();
// Asynchronously dump heart rate and oxidation levels to the serial
// For both, a value of 0 means "invalid"
if (millis() - tsLastReport > REPORTING_PERIOD_MS) {
// Serial.print("Heart rate:");
// Serial.print(pox.getHeartRate());
// Serial.print("bpm / SpO2:");
// Serial.print(pox.getSpO2());
// Serial.println("%");
heart_rate_send[7]=(uint32_t)pox.getHeartRate();
Serial.write(heart_rate_send,8);
Sop2_send[7]=pox.getSpO2();
Serial.write(Sop2_send,8);
tsLastReport = millis();
}
}
Compile the code, download it to the Arduino serial display LCD development board, and you're ready to start testing.
We can see that when the fingers leave the MAX30100, the heart rate and blood oxygen display 0. Place your finger on the MAX30100 collector to see your heart rate and blood oxygen levels in real-time.

LCD Arduino project effect can be seen in the following picture:


https://preview.redd.it/k9u0jtg040a51.jpg?width=510&format=pjpg&auto=webp&s=1e9994109a072807a802eb1179b874f727aeff5a
https://preview.redd.it/0ow2lfg040a51.jpg?width=576&format=pjpg&auto=webp&s=b0f5f6ac073894c8b0c033549fce79fac1c90bc3
submitted by Tamesliu to arduino [link] [comments]

CRTPi-RGB v2.0 - A Whole New World!

CRTPi Project Presents:

DEPRECIATED BUILD, SEE VERSION 3.0!

CRTPi-RGB v2.0

A CRTPi image for running 240p via GPIO RGB DAC Hats
Other Releases:
Changelog: v2.0 for 888 & 666 03/25/2020
Changelog: v1.1X for 666 12/20/2019
Changelog: v1.1X for 888 & 666 12/19/2019
Changelog: v1.0 for 888 & 666 11/7/2019
Changelog: v1.0 for 666 10/24/2019
Changelog: v1.0 for 888 & 666 10/22/2019
Changelog: v0.3 for 888 & 666 10/2/2019
Changelog: v0.2 for 888 09/27/2019
Changelog: v0.1 for 888 09/20/2019
Required Hardware:
What is a RetroTINK? Or a VGA666?
RetroTINK is a GPIO hat for the Raspberry Pi3/3B+ that converts digital video signal back into 24-bit analog. It provides output over RCA, S-Video, Component, and VGA -- as well as supporting CSYNC, super-resolutions, and custom resolution timings.
VGA666 is a GPIO hat for the Raspberry Pi that converts digital video signal back into an 18-bit analog out via VGA. It also allows for super-resolutions and custom resolution timings.
Pi2SCART is a GPIO hat for the Raspberry Pi that converts digital video signal back into an 18-bit analog RGB out via SCART. It also allows for super-resolutions and custom resolution timings.
What Does That Even Mean?
It makes your Pi capable of outputting a true 240p analog signal for CRT televisions and monitors, and is capable of 5x (1600x240) and higher super resolutions.
What Does That Look Like?
I don't have the greatest pics saved for comparison, but here's some examples of the 888.
What is Different? (888 & 666)
  • Retropie 4.5.17 (build 32617750 commit 03/21/20)
  • Retroarch 1.8.4
  • 8GB (7892992 KB) Uncompressed Image (Compressed via WinRAR to 4658943 KB)
  • SSH, Samba Share, and USB Rom Service enabled by default
  • Custom /boot/config.txt settings for DPI output and custom HDMI timings
  • Optional overclock values in /boot/config.txt for Pi2 & Pi3B (disabled by default)
  • Modified Michael Vencio's Runcommand “On Start” and “On End” scripts to automatically change the resolution system-by-system
  • Modified Runcommand "On Start" script to allow creation of game-specific arcade configs for arcade/fba/mame-libretro/neogeo
  • NTSC @ 60hz 320x240 resolution for Emulationstation and DOSBox/ScummVM/Kodi
  • NTSC @ 60hz 2048x240, 1920x240, and 1600x240 resolution for Retroarch
  • Per-system custom refresh rates for Retroarch
  • Single-frame Run Ahead enabled for many 8-bit & 16-bit consoles and handhelds for Retroarch
  • Preloaded with free 240p test suites for multiple consoles with art by chipsnblip
  • Preloaded with additional stable (opt) Retroarch emulators
  • Preloaded with DOSBox and ScummVM
  • Preloaded with Kodi 18.2 w/ Convergence Theme
  • Preloaded with various 4:3 splashscreens from the RPiF download
  • Custom 4:3 Arcade DOJ "Winners DO Use Drugs" splash screen.
  • Preloaded with MUNT Roland MT-32 MIDI emulation for DOSBox/ScummVM
  • Preloaded with Ruckage's runcommand launching screens for supported systems
  • Preconfigured MOST Retroarch emulators for proper Integer Scale SuperRes
  • Retroarch FCEUmm (NES) Emulator preconfigured for 8:7 vert overscan crop enabled w/ composite-direct-fbx palette
  • Retroarch Gambatte (GB/GBC) emulator preset to Super Game Boy (SGB2 auto coloration) mode with Integer Scale Overlay
  • Retroarch mGBA (GBA) emulator preset to Game Boy Player mode with Integer Scale Overlay
  • Emulationstation preloaded with Ruckage's RetroPie menu icons
  • Emulationstation preloaded with Ruckage's snes-mini (default) and nes-mini themes configured for 4:3
  • Emulationstation preloaded with PietDAmore's 240p Honey and Bubblegum themes
  • Emulationstation preloaded with KALEL1981's Super-Retroboy theme
  • Custom ScummVM system artwork for snes-mini theme
  • Emulationstation systems ordered chronologically instead of alphabetically
  • Emulationstation preconfigured with best settings for analog A/V including best settings for video preview screensavers
  • Custom Retropie menu scripts for switching between Retrotink and VGA666-based hardware ___
What is Run-Ahead?
The Run Ahead feature calculates the frames as fast as possible in the background to "rollback" the action as close as possible to the input command requested.
I've enabled run-ahead on most of the 8 & 16-bit consoles and handhelds. A single frame (and using the second instance) is saved here, which dramatically improves input lag without affecting performance on a Pi3B. More frames would require more hardware power, and may be achievable via overclocking.
lr-snes9x2010 consistent 60.0-60.2 FPS @ 60.098801hz lr-fceumm consistent 60.0-60.2 FPS @ 60.098801hz lr-beetle-pce-fast consistent 60.1-60.2 @ 60.000000hz lr-genesis-gx-plus consistent 59.9-60.2 FPS @ 59.922741hz (both genesis and sega cd) lr-picodrive consistent 59.9-60.2 FPS @ 59.922741hz (master system, game gear, and 32X) lr-gambatte consistent 60.0-60.2 FPS @ 60.098801hz (SGB2 framerate) lr-mgba consistent 59.8-60.4 FPS @ 60.002220hz (Gamecube framerate) 
To disable runahead for a game (or emulator):
Quick Menu > Latency > Run-Ahead to Reduce Latency > OFF 
What Does This NOT Have?
This doesn't have any ROMs (other than freeware test suites), BIOS files, music, screenshots, metadata, or videos concerning copy-written games. Other than the configurations and overlays, it has nothing that can't be downloaded through the repository or freeware.
Where Can I Get It?
You can download a premade image from Google Drive:
NOTE: Please expand your file system via Raspi-Config after your first boot, and reboot!

DEPRECIATED BUILD, PLEASE SEE VERSION 3.0!

CRTPi-RGB v2.0: For Pi3B/3B+ with Retrotink, Pi2SCART, RGB-Pi, or VGA666
MD5: f860516358f5c2941de3bc6170234b88 
Install Instructions:
For Retrotink Ultimate:
  • Download image and unRAR it.
  • Flash to your SD card with Win32DiskImager or Etcher.
  • Boot as normal, run Raspi-Config, and choose Expand Filesystem from Advanced Options.
  • Reboot from Raspi-Config, and enjoy your Pi!
For Pi2SCART/RGB-Pi/VGA666:
  • Download image and unRAR it.
  • Flash to your SD card with Win32DiskImager or Etcher.
  • BEFORE BOOTING Edit 'config.txt' on your SD card's BOOT partition, uncomment the section relevant to your device, and comment all other devices.
    ## Pi2SCART & VGA666 only!!
    #dtoverlay=vga666
    #hdmi_timings=320 1 16 30 34 240 1 2 3 22 0 0 0 60 0 6400000 1 #Pi2SCART/VGA666 [email protected]
    __
    ## RGB-Pi only!!
    #dtoverlay=pwm-2chan,pin=18,func=2,pin2=19,func2=2
    #dtoverlay=rgb-pi
    #dpi_output_format=6
    #hdmi_timings=320 1 16 30 34 240 1 2 3 22 0 0 0 60 0 6400000 1 #RGB-Pi [email protected]
    __
    ## RetroTINK Ultimate only!!
    #dtoverlay=dpi24
    #dpi_output_format=519
    #hdmi_timings=320 1 23 30 34 240 1 4 3 15 1 0 0 60 0 6400000 1 #RetroTINK [email protected]
__
  • Boot as normal, run Raspi-Config, and choose Expand Filesystem from Advanced Options, then reboot.
  • In Emulationstation, run "Enable VGA666" from the Retropie menu.
  • Your system will automatically reboot. Enjoy your Pi!
To Revert VGA666 to Retrotink Settings
  • In Emulationstation, run "Enable Retrotink" from the Retropie menu.
  • Your system will automatically reboot with the new settings.
Default Retroarch Keyboard Hotkeys
*SPACE: Enable Hotkey* F1 Menu F2 FF Toggle F3 Reset F4 Cheat Toggle F5 Save State F6 Load State F7 Change State - F8 Change State + F9 Screenshot F10 Mute ENTER: Exit 
I have X Issue! Help?
I only have like 500mb of free space on my XXgb SD card!
You need to expand your file system via Raspi-Config. Follow these steps.
Samba Share won't work after I set up Wi-Fi!
Samba share service starts on boot, pending that a network is available. Configure your Wi-Fi then reboot first, and if that doesn't fix it then go into Retropie Setup > Configuration/Tools > Samba > Install Samba. Once it's complete, reboot and it should be golden.
USB-Romservice and/or Retropie-Mount don't work!
Follow this guide, but follow these steps before plugging in your thumb drive:
  • Go to Retropie-Setup
  • Update retropie install script
  • Go to Manage Packages -> Optional Packages
  • Scroll all the way down to usbromservice
  • Uninstall usbromservice
  • Install it again from Binary
  • Once finished, choose Configuration, then Enable USB Romservice
  • Reboot, and wait for it to fully boot in to ES
  • Plug in USB stick (has to be FAT32) and WAIT A LONG TIME (if your stick has a light, wait for it to stop flashing)
Timings for Boot and Runcommand
320 x 240p @ 60hz Timings: Emulationstation, DOSBox, ScummVM, etc.
320 1 23 30 34 240 1 4 3 15 1 0 0 60 0 6400000 1 Retrotink 320x240p Timing 320 1 16 30 34 240 1 2 3 22 0 0 0 60 0 6400000 1 #VGA666 320x240p Timing 
Integer Scale Super-Resolution 240p @ 60hz Timings: All Retroarch Emulators
2048 1 180 202 300 240 1 3 5 14 0 0 0 60 0 42954545 1 #256x240/224p 1920 1 152 247 280 240 1 3 7 12 0 0 0 60 0 40860000 1 #320x240/224p 1600 1 85 157 192 240 1 4 3 15 0 0 0 60 0 32000000 1 #320x240/224p Alternate 
submitted by ErantyInt to u/ErantyInt [link] [comments]

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