65X-DOS/readme.md

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# 65X-DOS
This source tree builds a 512KB .bin file used to burn the system ROM
for Sentinel 65X. It is designed to be modular; the kernel and boot code
use only the lowest 64KB of the 512KB ROM, leaving plenty of room for
additional software in ROM. In future, more modules are planned:
- A command line shell
- A 65816 macro assembler
- A text editor
- Your idea here!
To build the kernel and ROM image, you will need the Calypsi toolchain (https://calypsi.cc),
as well as GNU make. To build the fonts in the ROM image from the image file,
you will need Aseprite (https://www.aseprite.org).