FabGL makes an ESP32 an entire usable computer #ESP32 #Emulation #VintageComputing
FabGL is mainly a Graphics Library for ESP32. It implements several display drivers (for direct VGA output and for I2C and SPI LCD drivers). FabGL can also get input from a PS/2 Keyboard and a Mouse. ULP core handles PS/2 ports communications, leaving main CPU cores free to perform other tasks.
FabGL also implements an Audio Engine, a Graphical User Interface (GUI), a Game Engine and an ANSI/VT Terminal.
This library works with ESP32 revision 1 and up. See a list of prefab boards.
VGA output requires a digital to analog converter (DAC): it can be done by three 270 Ohm resistors to have 8 colors, or by 6 resistors to have 64 colors.
There are a number of emulators written to use FabGL including one for an IBM PC, CP/M, Altair 8080 and more.
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Hi,
FabGL Libray is used also on uTerm2-S, for more info please see https://hackaday.io/project/181583-uterm2-s-a-multi-emulation-color-rs232-terminal
Thanks
Best Regards
Giovanni Pirozzi