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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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testdata | ||
d13.spec.ts | ||
do.spec.ts | ||
po.spec.ts | ||
util.spec.ts | ||
util.ts |