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rapi pico

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@ -4,6 +4,14 @@
</p>
# News
April 2021: Add initial support for raspberry PICO<br>
- adapted pico scanline library for VGA 8 bits mode (RRRGGGBB), sorry adapted code is embedded...
- SD support from https://github.com/carlk3/no-OS-FatFS-SD-SPI-RPi-Pico (fixed IRQ to 1)
- rudimetary PWM IRQ based audio based on https://gregchadwick.co.uk/blog/playing-with-the-pico-pt3/
Far from perfect, lot of bugs, and unfortunately C64 emulator had no sound!
November 2020 UPDATE: Atari ST emulation now supporting MIDI output!<br>
https://www.youtube.com/watch?v=H-TlCDBwdak<br>
https://www.youtube.com/watch?v=fzoTYUpEOKs
@ -109,17 +117,17 @@ Now ported to much more MCUs! <br>
Computer systems supported and status on various MCU platforms<br>
| System | Teensy3.6 | Teensy 4.0 | Teensy4.0 +PSRAM | Teensy4.1 +PSRAM+VGA | ESP32 | ESP32-Wrover |
| --- | --- | --- | --- | --- | --- | --- |
| Zx81 | X | X | X | X | X | X |
| Zx spectrum | X | X | X | X | X | X |
| Atari 800 | X | X | X | X | X | X |
| C64 | X | X | X | X | X | X |
| Atari 520ST | - | full speed! | X | X (640x400!) | - | slow |
| 8086 XT PC | - | full speed! | X | X | - | slow |
| MSX1/2 | - | full speed! | X | X | - | - |
| Amiga | - | - | exp only! | X (640x240!) | - | - |
| Doom | - | - | - | x | - | - |
| System | Teensy3.6 | Teensy 4.0 | Teensy4.0 +PSRAM | Teensy4.1 +PSRAM+VGA | ESP32 | ESP32-Wrover | Pico |
| --- | --- | --- | --- | --- | --- | --- | --- |
| Zx81 | X | X | X | X | X | X | X |
| Zx spectrum | X | X | X | X | X | X | X |
| Atari 800 | X | X | X | X | X | X | X |
| C64 | X | X | X | X | X | X | X |
| Atari 520ST | - | full speed! | X | X (640x400!) | - | slow | - |
| 8086 XT PC | - | full speed! | X | X | - | slow | - |
| MSX1/2 | - | full speed! | X | X | - | - | - |
| Amiga | - | - | exp only! | X (640x240!) | - | - | - |
| Doom | - | - | - | x | - | - | - |
Please compile for smallest code on the Teensy4.0 else you will run out of memory<br><br>
For Teensy 4.1 with PSRAM try compiling for faster code (unless it complains at compilation).<br>
@ -127,21 +135,21 @@ Doom for example only works if compiled for faster code!
Game console systems supported and status on various MCU platforms<br>
| System | Teensy3.6 | Teensy 4.0 | Teensy4 +PSRAM | Teensy4.1 +PSRAM+VGA | ESP32 | ESP32-Wrover |
| --- | --- | --- | --- | --- | --- | --- |
| Atari 2600 | X | X | X | X | X | X |
| Odyssey/Videopac | X | X | X | X | X | X |
| Colecovision | X | X | X | X | X | X |
| Atari 5200 | X | X | X | X | X | X |
| Nintendo NES | X | big roms! | X | X | X | X |
| Vectrex | - | full speed! | X | X | - | slow |
| PC Engine | - | - | X | X | - | - |
| Gameboy/GBColor | - | - | X | X | - | - |
| Sega Master System/Game Gear | - | - | X | X | - | - |
| Sega Genesis/Megadrive | - | - | X | X | - | - |
| System | Teensy3.6 | Teensy 4.0 | Teensy4 +PSRAM | Teensy4.1 +PSRAM+VGA | ESP32 | ESP32-Wrover | Pico |
| --- | --- | --- | --- | --- | --- | --- | --- |
| Atari 2600 | X | X | X | X | X | X | X |
| Odyssey/Videopac | X | X | X | X | X | X | X |
| Colecovision | X | X | X | X | X | X | X |
| Atari 5200 | X | X | X | X | X | X | X |
| Nintendo NES | X | big roms! | X | X | X | X | - |
| Vectrex | - | full speed! | X | X | - | slow | - |
| PC Engine | - | - | X | X | - | - | - |
| Gameboy/GBColor | - | - | X | X | - | - | - |
| Sega Master System/Game Gear | - | - | X | X | - | - | - |
| Sega Genesis/Megadrive | - | - | X | X | - | - | - |
# Minimal requirements:
- Teensy3.6/Teensy4.0 or ESP32 Node32S/Wrover SDK chip
- Teensy3.6/Teensy4.0, ESP32 Node32S/Wrover SDK chip or Raspberry PICO
- ILI9341 (Teensy/ESP32) or ST7789 (Teensy only) SPI display
- SD card (Teensy uses built-in uSD, ESP32 uses external one connected over SPI, e.g. ILI9341 integrated one)
- Analog joypad (Arduino or PSP like)