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Source files created by isassembling OS/9



Hi, y'all!

    To whet your appetite, here's a copy of the latest file added to
the 'Files' section of the Yahoo! Apple 6809 group:

File name       Description
---------       ------------------------------------------
OBS0.LST        OS/9 boot stage 0 logic
OBS1.LST        OS/9 boot stage 1 logic
DOCR.LST        Disassembly of code loaded to $9000..$BFFF
                6809 sees this block at $8000..$AFFF
IOMAN.LST       I/O manager
RBF.LST         Random Block File manager
SCF.LST         Sequential Character File manager
AACIA.LST       Communications manager???
DISKII.LST      Apple Disk I/O manager
SHELL.LST       Command handler???
HUH.LST         Initialization???


Map of $8000..$AFFF (6809 access) - $9000..$BFFF (6502 access):
Range           Function
------------    -----------------------------------------
$8000..$8049    Unknown (could be data, could be code)
$804A..$8487    Logically consistent code block (function unknown)
$8488..$84C3    Data (function unknown)
$84C4..$8B16    I/O manager
$8B17..$96C2    Random Block File manager
$96C3..$96D2    Unknown (16 bytes)
$96D3..$9ADF    Sequential Character File manager
$9AE0..$9AEF    Unknown (16 bytes)
$9AF0..$9C78    Communications manager???
$9C79..$9CC9    Unknown
$9CCA..$A24A    Apple Disk I/O manager
$A24B..$A2B8    Unknown
$A2B9..$A71A    Command handler???
$A71B..$A7FF    Unknown
$A800..$AF8B    Initialization???

    Yes, it's a plug for the group.  Am I being obnoxious?

Willi