Worked 28 years as IT-Admin in a german bank then started using github for my SBC which used armbian and then starting using microcontrollers with RunCPM here
RunCPM_RPi_Pico. RunCPM for the Raspberry Pico
123RunCPM_VGA32. A fork of RunCPM for the TTGO VGA32 v1.4
38RunCPM_Windows. RunCPM for Windows 32bit (XP and up ) and 64Bit
37RC2014_ESP32_Z80_Emulator_VGA32. DIGITAL Command Language
7pigfx. PiGFX is a bare metal kernel for the Raspberry Pi that implements a basic ANSI terminal emulator with the additional support of some primitive graphics functions.
4RunCPM_Pyboard_v1_1. RunCPM Port for the Pyboard v1.1 STM32F405RGT6
2RunCPM_ESP32_Lite. RunCPM on the ESP32 Lite
2FabGL. Display Controller (VGA, SSD1306, ST7789, ILI9341), PS/2 Mouse and Keyboard Controller, Graphics Library, Sound Engine, Game Engine and ANSI/VT Terminal for the ESP32
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