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MCUME/README.md

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# M.CU.M.E = Multi CompUter Machine Emulator
<p align="center">
<img width="320" height="140" src="/images/logo.png">
</p>
# News
Mai 2023: add multi display support to T-COMPUTER and PICOZX platforms
- You can now configure at boot the display to use for each emulator (Teensy41 or PICO)
- No need for different binaries depending on the display (VGA,ILI and ST displays are all suported)
- Config is stored on the SDCARD
- Press Up while booting to force VGA output at startup (will erase display config => default VGA)
- Press Left while booting to force ST7789 output at startup (will write config)
- Press Right while booting to force ILI9341 output at startup (will write config)
- When configured for non VGA display, you can always push to VGA by pressing ALT iso TAB key to start (on T-COMPUTER)
- Add FMSX and SNES emulators to T-COMPUTER.
- Port of all PICO emulators to the new PICOZX platform of BOBRICIUS
<br>
February 2022: introducing T(TEE)-COMPUTER platform based on Teensy41 MCU:<br>
- T-COMPUTER has VGA and TFT video out, Audio out, USB input, embedded 42 keys keyboard and a DB9 joystick input!
- now supported on T-COMPUTER: Apple2, Vic20, C64, Atari800, ZX81, ZXSpectrum, Atari ST, Amiga, Colecovision, Odyssey, NES, SMS, Genesis and Doom.
- new emus for Teensy41: Vic20 and Apple2 based on aiie!
- add AUTORUN feature to Teensy and PICO platforms
- add Floppy write support to Castaway ST emulator
- improved USB keyboard support for existing Teensy41 emus
<br>
December 2021:<br>
- Add vic20 emulation to the PICO
<br>
October 2021: yet more PICO platforms improvements<br>
- MCUME_REV2 has now dual screen support (TFT+VGA binaries where TFT can be used for keyboard control, or VGA only binaries wo keyboard control)
- Fix keyboard scan for PICOMPUTERMAX (C64,ZX81,ZX Spectrum and Atari800 have now usable keyboard for basic program typing)
<br>
September 2021: More PICO platforms improvements<br>
- MCUME_REV2 has now digital inputs for UP/DOWN/LEFT/RIGHT so external C64 joystick can be connected (VGA & TFT binaries)
- PICOMPUTERMAX now supporting ALT and FN(long press on ALT) so more C64 keys can be mapped (FN for Function keys for e.g.)
<br>
<details>
<summary>Click for more news</summary>
<br>
August 2021: Add support for PICOMPUTERMAX on PICO<br>
- TFT 7789 320x240
<br>
July 2021: Add support for TFT dispays on PICO<br>
- MCUME_REV2 supports VGA and TFT (ST or ILI) on same layout
- Add specific support for PICOMPUTER (TFT and full keyboard microswitch)<br>
https://www.youtube.com/watch?v=4tL9K5tXZtY
<br>
May 13th 2021: C64 emulator improvement for PICO<br>
- Overclocked to 250MHz for better speed
- Add on screen keyboard for text input
<br>
May 2021: few improvements for raspberry pi PICO<br>
- VGA driver stripped down for 8bits RRRGGGBB (red lines bug fixed)...
- Improved PWM audio...
- Add sound to C64 emulator but still running far too slow
- Add SID player application (picosnd)
<br>
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)
- rudimentary PWM IRQ based audio (https://gregchadwick.co.uk/blog/playing-with-the-pico-pt3/)
Far from perfect, lot of bugs, and ... unfortunately C64 emulator has no sound for performance reason!<br>
All what you need is in MCUME_pico. Precompiled binaries in MCUME_pico/bin.<br>
To recompile, look at MCUME_pico/readme.txt<br>
https://www.youtube.com/watch?v=MUpwlZXheb8<br>
https://www.youtube.com/watch?v=_WL_KGkxZ88
<br><br>
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
November 2020: move to latest VGA_t4 library for stable HIRES support<br>
- USB mouse added to Amiga/Atari ST emulation
- Amiga sound improved (freq drifting less audible)
- Atari ST now support 640x200 and 640x400 (B/W) modes with double buffering!!!
- Amiga now support 640x240 mode for cleaner workbench!!!<br>
https://www.youtube.com/watch?v=vex335vHc68<br>
https://www.youtube.com/watch?v=LKdcduVwwGQ
Mid October 2020: Most emulators are now supporing VGA with sound on the Teensy4.1<br>
Experimental I2S sound driver has been added to the VGA_t4 library with minimal DMA disturbances.<br><br>
If you are experimenting issues (e.g. image flashing out, crash after few minutes):
- try compiling for smallest code iso faster
<br>
e.g.:<br>
- ST emu: compile for "smallest code"<br>
- Amiga emu: compile for "smallest code"<br>
- Doom: compile for "faster"<br>
Atari ST emu has now better sound support!<br>
<br>
October 2020: DOOM ported to the Teensy4.1 (for VGA and LCD displays)<br>
No sound yet but with USB keyboard support (see VGA prototype PCB below).<br>
https://www.youtube.com/watch?v=adYwnctiKsg
<br>
<p align="center">
<img src="/images/T41VGA.jpg" width="640" />
<br>
June 2020: Update of UAE (Amiga emulator) on Teensy4.1<br>
Now with HDD support, better sound and 68020 emulation.<br>
All for better compatibility...<br>
https://youtu.be/Ho8qZSCKdLg<br>
https://youtu.be/vuMYwylYqYs
May 2020: Amiga emulation on Teensy4.1 (with PSRAM) !!!<br>
Here is a video of the emulator running on my prototype board.<br>
https://youtu.be/LE4IWPG5z6g
March 2020: MSX1/2 emulation on Teensy4.0 (no SDRAM required)<br>
Mini-console prototype with 40 keys keyboard, keypad and 320x240 ST7789 display.
The prototype supports of course all systems below where keyboard is supported!<br>
https://youtu.be/YZGbGKmeb6I<br>
<br>
<p align="center">
<img src="/images/msx.png" width="640" />
<br>
Nov 2019: Gameboy, Sega Master System/ GameGear and Megadrive/Genesis emulator running with extra 8MB SPI RAM (PSRAM) <br>
https://youtu.be/j2sKw7KYpEo <br>
Oct 2019: PC-Engine 'tiny' emulator running on Teensy 4.0 using an extra 8MB SPI RAM (PSRAM) <br>
https://youtu.be/Ot9RgDMqdF4<br>
GFX bug due to objs cache limitation is now fixed!
<br>
<p align="center">
<img src="/images/t4piggy.png" width="240" />
<img src="/images/pcbT4.png" width="480" />
<br>
T4 with PSRAM piggy back and latest T4 pcb!
</p>
<br>
<br>
Sep 2019: Teensy 4.0 now running Atari 520ST emulator (68k core based)!!! <br>
https://youtu.be/UCOaOGmYYso<br>
https://youtu.be/6rr2hMqprO0<br>
<br>
</details>
<p align="center">
<img src="/images/teensy4SD.png" width="200" />
</p>
<p align="center">
<img src="/images/stdesktop.png" width="200" />
<img src="/images/strobocop.png" width="200" />
</p>
<p align="center">
<img src="/images/teensybread.jpg" width="200" />
<img src="/images/teensy362.jpg" width="200" />
</p>
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<img src="/images/esp321.jpg" width="200" />
<img src="/images/esp322.jpg" width="200" />
</p>
A collection of 80th game Console and Computer emulators ported to Teensy, raspberry PICO and ESP32 MCUs.<br>
Have a look at the video:
https://youtu.be/jlqoWH2X6gk<br><br>
This project is a spin-off of the TeensyCEC project https://github.com/Jean-MarcHarvengt/TeensyCEC<br>
Now ported to much more MCUs! <br>
# Featuring
Computer systems supported and status on various MCU platforms<br>
| System | Teensy3.6 | Teensy 4.0 | Teensy4.0 +PSRAM | Teensy4.1 +PSRAM | 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 |
| VIC20 | | | | X | | | X |
| Apple2 | | | | 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 smallest code (unless it complains at compilation).<br>
Doom for example only works if compiled for smallest code!
Game console systems supported and status on various MCU platforms<br>
| System | Teensy3.6 | Teensy 4.0 | Teensy4 +PSRAM | Teensy4.1 +PSRAM | 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 | 384KB roms! | X | X | X | X | - |
| Vectrex | - | full speed! | X | X | - | slow | - |
| PC Engine | - | - | X | X | - | - | - |
| Gameboy/GBColor | - | 490KB roms| X | X | - | - | - |
| Sega Master System/Game Gear | - | - | X | X | - | - | - |
| Sega Genesis/Megadrive | - | - | X | X | - | - | - |
# Minimal requirements:
- 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)
- 3 buttons (FIRE, USER1 and USER2)
# Optional requirements:
- I2C custom keyboard or integrated one (for computers emulators)
- Sound (DAC for ESP and Teensy3.6, MQS for Teensy4.0, I2S for Teensy4.1, PWM for PICO)
- VGA output (Teensy 3.6, Teensy 4.1 and Raspberry PICO only)
- 2 extra buttons (USER3 and USER4) mostly for NES emu
# Wiring
- see pinout.txt file in the respective project (ESP32 or Teensy)
- Some KICAD image also available for ESP32
# I2C keyboard (for computer emus on Teensy 3.6 only)
- see i2ckeyboard sub-directory
- the I2C keyboard is using a separate atmega328p MCU handling the keys matrix
- with 10x4 or 10x5 keys
# Embedded 42 keys keyboard (on T-COMPUTER and PICOMPUTER)
# USB keyboard (on T-COMPUTER and other Teensy 4.1 platforms)
# Installation
- Format the SD card as FAT32
- extract the content of SD.zip in the root directory
- there must be a sub-directorie for each emulator
- "2600" => for atarivcs, put your Atari 2600 roms here (.bin), with sub-dirs or not
- "5200" => for atari5200, put your Atari 5200 roms here (.bin)
- "800" => for atari800, put your Atari 800 cartridges here (.rom)
- 'c64" => for c64, put your C64 programs here (.prg), with sub-dirs or not
- "vic20" => for VIC20, put your V20 programs (.prg), with sub-dirs or not
- "apple2" => for Apple2 disks, put your ".dsk" files here, with sub-dirs or not
- "o2em" => for odyssey/videopac, put your Videopac/Odysssey roms here (.bin)
- "coleco" => for colem, put your Colecovision roms here (.rom, including coleco.rom)
- "nes" => for nes/nofrendo, put your .nes files here (e.g. galaga,xevious,mario1...)
- "spec" => for spectrum, put your ".z80" or ".sna" files here into sub-dirs or not ( max 48K )
- "z81" => for zx81, put your ".p", ".81"(, ".56") ".80" or ".o" files here ( max 56K )
- "st" => for AtariST, put your floppis ".st" files here
- "pc" => for 8086, put your HDD image ".img"
- "vectrex" => for Vectrex, put your ".gam" files here
- "pce" => for PC Engine, put your ".pce" files here
- "gameboy" => for Gameboy and GBColor, put your ".gb"/"gbc" files here
- "sms" => for Sega Master System/Game Gear, put your ".sms"/"gg" files here
- "gen" => for Sega Genesis/Megadrive, put your ".smd"/"bin" files here
- "msx" => for MSX roms, put your ".rom"/".msx2" files here. MSX system roms in msx/roms
- "amiga" => for Amiga floppies, put your ".adf" and ".hdf" files here.
- "data" => for Doom, put your WAD files there (doom1,doom2,plutonia or tnt)
- insert the card into the SD slot
# Compilation/flashing (Teensy)
- open the respective ino file with Arduino SDK
- select DISPLAY MODULE in platform_config.h (ST7789 or ILI9341)!!!!
- select VGA or not in platform_config.h (T4.1 using vgat4 lib, T3.6 using uvga lib)
- double check iopins.h for pins configuration!!!!
- compile and install from there.
# Compilation/flashing (ESP32)
- go to espboot directory first:
- make, make flash => this will install custom partition table, bootloader and app selector
- go to any other directory (one by one!):
- Adapt ./flashapp.sh according your OS (I use OSX)
- make, ./flashapp.sh
# Compilation (PICO)
- git clone -b master https://github.com/raspberrypi/pico-sdk.git
- cd pico-sdk/
- git submodule update --init
- export PICO_SDK_PATH=path-to-pico-sdk
- Insure MCUME_pico is NEXT to pico-sdk directory
- go to MCUME_pico/build
- select emulator to compile in CMakeLists.txt (uncomment ${XXX_SOURCES} and comment out the rest)
- select platform options in config/platform_confih.h (e.g. PICOMPUTER, default is MCUME_REV1)
- cmake ..
- make
- drag and drop mcume.uf2 after having boouted the PICO os mass storage mode
# Status and known issues
- 64 (C64):
- Full speed with sound
- I2C custom keyboard support!
- (only few games working)
- colem (Colecovision):
- Full speed with sound
- vcs (Atari 2600):
- no sound yet
- limited cartridge size support (due to ram constraint)
- o2em (Videopac/Odyssey):
- no sound
- only videopac G7000 games supported (due to ram constraint)
- nofrendo (Nintendo NES):
- Full speed with sound
- 32k roms only supported except on Teensy 4.0
- 5200 (Atari 5200):
- Full speed with sound
- 16 and 32k roms
- speccy (Zx spectrum):
- SNA support (Z80 to be fixed)
- YM and preliminary buzz sound support
- 48k games only supported
- kempston joystick supported but on screen keyboard may not answer in some games
- I2C custom keyboard support!
- 81 (Zx81):
- zx80 and zx81
- .P, .81 and .80 format support (rename .56 for Zx81 hires game that requires 48k or more)
- I2C custom keyboard support!
- HIRES support for zx81
- zx80 support
- YM sound support for zx81
- 800 (Atari 400/800/XE/XL):
- .rom support (no floppy yet)
- I2C custom keyboard support!
- Full speed with sound
- Castaway (AtariST):
- floppy support now with Read and Write access
- I2C or integrated (TEECOMPUTER) keyboard support!
- USB mouse and keyboard support (T4.1)
- with sound
- full speed on Teensy4.0 only!!
- 8086 (XT PC):
- HDD image support
- I2C custom keyboard support!
- no sound
- full speed on Teensy4.0 only!!
- Vectrex (MB Vectrex):
- .gam roms support
- no sound
- full speed on Teensy4.0 only!!
- PCE (PC Engine):
- .pce roms support
- Nearly full speed with sound
- Some games hang or do not start as Outrun, Powerdrift...
- SMS/GG (Sega Master System/Game Gear):
- Full speed with sound
- Gameboy (and Game Boy Color):
- Full speed with sound
- Major missing background issue
- Genesis (Sega Megadrive):
- Nearly Full speed with rarely sound
- Some background rotation issue
- Some games do not start
- MSX1/2:
- Full speed with sound
- up to 256KB roms
- some games are not working as uridium2
- Amiga:
- Full speed with sound
- up to 2MB chip RAM + 4MB expand fast RAM roms
- HDF (Hard Disk) and adf support
- USB mouse and keyboard support (T4.1)
- Improved compatibility (still no AGA support!)
- Doom:
- Full speed without sound
- Vic20:
- Initial Audio
- Compatibility issues (dont expect to run mario and other demos!)
- Apple2:
- No Audio
- Compatibility issues
# Running
- ESP32 only: Select the emulator from the app selector screen and press FIRE (wait a bit that the SD get mounted)
- For the launched emulator you should see the roms of the SD card being listed
- you can select the rom with up/down
- you can start the game by pressing the FIRE key
- while the game is running, you might have to press USER1 or USER2 keys to start the game
- some emulators requires the I2Ckeyboard
- You can then play the game with the analog joystick and the FIRE/USER1 keys
- press the USER1+USER2 to reboot the emulator and load another ROM
- USER2 can be used to swap joystick 1/2 in some emulators
# Running on the PICOMPUTER/T-COMPUTER
- Fire button is mapped to key 'TAB'
- USER2 is mapped to key "fn"
- USER1 is mapped to "fn+DEL"
- for PICO64, fb+DEL can be used to load selected game
- AUTORUN: keep fn key pressed until LED flashes. Launch game with fire. (to remove AUTORUN, press down key at reset)
# Credits
I mostly ported the emulators from existing projects, all the credit goes to the authors of
colem, o2em , x2600, moarnes, mc-4u, sz81, atari800, Vice, Nofrendo, jun52, dcastaway, vectrexemu (sorry if I don't mention their name), Charles Macdonald (TGemu), Bernd Schmidt (UAE), Author of Aiie, Vic20 emu and Mike Chambers for his 8086 Arduino project!<br>
Doom is based on the ST32 port of chocolate doom so thanks for initial porting effort.<br>
Thanks a lot also to Frank Boesing for his ILI DMA library from which I started from and his great Teensy64 project https://github.com/FrankBoesing/Teensy64
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