Sentinel65X
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65X-DOS
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A small operating system for Sentinel 65X
75 Commits 1 Branch 0 Tags 1.1 MiB
C 57.2%
Assembly 31.5%
Makefile 5.9%
Scheme 2.8%
Python 2.6%
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Kyle J Cardoza 56aba690d3 Renamed 65c816.h to w65c816s.h for consistency 2024-07-16 12:42:41 -04:00
.vscode VERA driver rewrite 2024-07-15 19:26:07 -04:00
bin Added VERA font 2024-07-12 02:55:55 -04:00
config Begin implmenting virtual console driver (low level) 2024-07-16 12:39:27 -04:00
doc Combined boot and kernel modules into one 2024-07-11 01:50:40 -04:00
include Renamed 65c816.h to w65c816s.h for consistency 2024-07-16 12:42:41 -04:00
src Renamed 65c816.h to w65c816s.h for consistency 2024-07-16 12:42:41 -04:00
.gitignore Added VERA font 2024-07-12 02:55:55 -04:00
Makefile First working VERA driver 2024-07-15 23:37:08 -04:00
license.md Combined boot and kernel modules into one 2024-07-11 01:50:40 -04:00
readme.md First working VERA driver 2024-07-16 00:33:02 -04:00

readme.md

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).