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| comp.sys.apple2 | Discussion about Apple II micros | 56,720 messages |
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| Re: ProDOS-86, yet another stupid Apple |
| 14 Oct 21 20:08:12 |
From: peter.ferrie@gmail.com The interleave exists to avoid the "TXA / ASL / TAX" thing for doubling an index. You don't need the "add di, 0x100 / sub di, 0x00ff" stuff. You can "mov ah, [cs:di+0x100] / inc di". --- SoupGate-Win32 v1.05 * Origin: you cannot sedate... all the things you hate (1:229/2) |
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