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dc13b6a59a
Like the DOS 3.3 and ProDOS sector order issues, this change fixes the
physical order of the sectors on 13-sector disks when nibblized.
This change also adds tests for the 13-sector format to verify the
sector order.
One of the crazy things is that _Beneath Apple DOS_ failed me in this
instance because it doesn't discuss what happens to the last byte in
"5 and 3" encoding anywhere (AFAICT). I went back to the DOS 3.1
source released by the Computer History Museum here:
https://computerhistory.org/blog/apple-ii-dos-source-code/
The code is in `appdos31.lst` in the `POSTNIB` routine on line 4777.
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|---|---|---|
| .. | ||
| applesoft | ||
| cards | ||
| formats | ||
| intbasic | ||
| roms | ||
| ui | ||
| apple2.ts | ||
| apple2io.ts | ||
| base64.ts | ||
| canvas.ts | ||
| cpu6502.ts | ||
| entry2.js | ||
| entry2e.js | ||
| main2.js | ||
| main2e.js | ||
| mmu.ts | ||
| prefs.ts | ||
| ram.ts | ||
| symbols.ts | ||
| types.ts | ||
| util.ts | ||