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35 public repositories
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Byte-aligned, efficient lossless packer that is optimized for fast decompression on 8-bit micros
Free open-source compressor for apLib with 5-7% better ratios
A curated list of awesome Tandy Color Computer development tools, software and resources.
Updated
Apr 12, 2022
Makefile
SB-Assembler Version 3 - Cross Macro Assembler
Updated
May 2, 2021
Assembly
6809 and OS-9 emulator in Java
Updated
May 6, 2022
Assembly
Vectrex Forth is a port of Brad Rodriguez' CamelForth/6809 to the Vectrex video game console, with an added Forth to Vectrex BIOS API for easy programming.
Updated
Aug 20, 2021
Assembly
Collection of eight-bit processor emulators (for various projects)
Tandy Color Computer Development Libraries
Updated
Feb 10, 2022
Assembly
A Motorola 6809 and Hitachi 6309 CPU decompressor for the ZX0 data compression format by Einar Saukas.
Updated
Feb 13, 2022
Assembly
SublimeText 3 syntax highlighting for 6809/6309 Assembly language
Updated
May 9, 2021
Assembly
Collection of eight-bit processor emulators (for various projects)
Robotron:2084 (1982) by Eugene Jarvis
Updated
Aug 13, 2021
Assembly
Retro CPU single board computer, with debugger, assembler, disassember
The pc-09 will be a Motorola 6809 based microcomputer with an advanced MMU, boot scheme, and graphics hardware.
Disassembly of 6809 based CMS 9609, 9619, 9639 and 9642 SBC Monitor ROMs
Updated
Sep 21, 2021
Assembly
Updated
Dec 22, 2021
Assembly
Assembler for MC6809, HD6309, and other vintage CPUs
C wrapper for Motorola MC6839 floating point library ROM.
Updated
May 1, 2022
Assembly
OMEN Kilo / 6809-based single board computer
Updated
Oct 12, 2019
PLSQL
💾 Motorola 6809 8-bit microprocessor CPU Instruction
Some Vectrex routines in asm, maybe someone finds them useful.
Updated
Dec 12, 2021
Assembly
6309 based 8 bit home computer
Updated
May 26, 2021
Assembly
MC6809E simulator (and basic OS-9 I/O simulator) written in 80386 Assembly language (Borland TASM v1.01 and TLINK v2.00)
Updated
Jan 30, 2022
Assembly
MOTOROLA CPU 6809 Operation Simulator
ASSIST09 - MC6809 Monitor, Copyright (C) Motorola, Inc., 1979, Appendix B of M6809PM/AD
Updated
Aug 11, 2021
Assembly
A simple OS targeting 8-bit CPUs
An emulation of the MC6809 cpu.
Assembler, simulator and assembly-language routines for the Motorola 6809
Updated
Dec 19, 2021
Shell
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OS-9, like Unix, makes no distinction between text and binary files; but when ANSI showed up, it specified that
fopenneeds to acceptbeven if it makes no difference, for portability with other systems that make a distinction between text and binary files. But when Kreiderfopen()encountersbin a mode string, it fails with an Error 203 (Bad Mode) inerrno.