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Explain the various desktop source files

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Joshua Bell 2018-05-03 22:35:59 -07:00
parent b57070fabc
commit cab4983514
1 changed files with 10 additions and 7 deletions
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desktop/README.md
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@ -21,11 +21,11 @@ more code segments swapped in dynamically.
The file is broken down into multiple segments:
* segment 0: load - A$2000-$257F, L$0580, B$000000 (`loader.s`; Loader)
* segment 1: aux - A$4000-$BFFF, L$8000, B$000580 (`mgtk.s`, `desktop.s`; MGTK, DeskTop)
* segment 2: auxlc - A$D000-$ECFF, L$1D00, B$008580 (`desktop.s`; DeskTop)
* segment 3: auxlc - A$FB00-$FFFF, L$0500, B$00A280 (`desktop.s`; DeskTop)
* segment 4: main - A$4000-$BEFF, L$7F00, B$00A780 (`desktop.s`; DeskTop)
* segment 5: main - A$0800-$0FFF, L$0800, B$012680 (`desktop.s`; Initializer)
* segment 1: aux - A$4000-$BFFF, L$8000, B$000580 (`mgtk.s`, `desktop_aux.s`; MGTK, DeskTop)
* segment 2: auxlc - A$D000-$ECFF, L$1D00, B$008580 (`desktop_res.s`; DeskTop)
* segment 3: auxlc - A$FB00-$FFFF, L$0500, B$00A280 (`desktop_res.s`; DeskTop)
* segment 4: main - A$4000-$BEFF, L$7F00, B$00A780 (`desktop_main.s`; DeskTop)
* segment 5: main - A$0800-$0FFF, L$0800, B$012680 (`desktop_main.s`; Initializer)
* segment 6: main - A$0290-$03EF, L$0160, B$012E80 (`invoker.s`; Invoker)
* overlays dynamically loaded for these actions:
* disk copy - A$0800-$09FF, L$0200, B$012FE0 (`ovl1.s`)
@ -79,7 +79,7 @@ pathname passed at $2006 (see ProDOS TLM).
### Initializer
(in `desktop.s`)
(in `desktop_main.s`)
Loaded at $800-$FFF, this does one-time initialization of the
DeskTop. It is later overwritten when any desk accessories are
@ -99,7 +99,10 @@ data.
### "DeskTop" Application
`desktop.s`
`desktop.s` which pulls in:
* `desktop_aux.s`
* `desktop_lc.s` (which pulls in `desktop_res.s`)
* `desktop_main.s`
DeskTop application code is in the lower 48k of both Aux and Main: