6809 Emulation
The OS9L1 is an OS9 level One emulator (for
Motorola 6809) that runs under UNIX/Linux. It is almost
full-featured, and can emulate fork, signals, pipes etc. All
without needing the OS9 kernel from Microware.
The emulator is built on Ray Bellis' Usim emulator, and also fixes some bugs in same.
- version 1.0 source (~142K). Released 23/9-2001
- version 1.1 source (~90K). Released 19/6-2002
- version 1.2 source (~155K). Released 5/12-2011
Installation for version 1.2
Down the source archie and unpack it. Then do:
./configure make
To run the unit tests, do a make check
How far have I come?
Most "simple" applications work - including shell, asm and basic09. Pascal-compilation to P-code works. But the P-code interpreter loads an extra module and os9l1 doesn't handle that, so execution of your P-code is not available. Then you could compile to native code, but the native code compiler is in P-code itself, so ... In addition, the C.PREP complains about "grab overlap" when it sees the statement #include <stdio.h>. I have not found the cause of that.
OS-9 manuals
- OS-9 Operating System Guide/Manual
- This 1983 guide for Dragon-64 is available in PDF, OpenDocument and the source is in DocBook format.
- Dynacalc manual
- This 1983 manual is available in OpenDocument (53 KB), HTML (141 KB) and PDF (1.11 MB) formats. If anyone can provide me with the missing half page, let me know.
- Basic09 Reference Guide revision F
- This revision F (1983) manual is available in PDF and OpenDocument. It matches the distribution of Basic09 I have for OS9 level 1.
- OS-9 System Programmer's Manual
- Revision F-1 (1982) is available as PDF and OpenDocument.
- C Compiler User's Guide for OS-9
- Revision C (1983) is available as PDF and OpenDocument.
- Stylograph for the OS-9 operating system
- Available as PDF and OpenDocument.