Re: I fixed the goddamn PCLEAR 0 bug.
Allen Huffman via Coco <coco-uNHYcr1XS/wmlAP/[email protected]>
| Newsgroups | gmane.comp.hardware.tandy.coco |
|---|---|
| Message-ID | <[email protected]> |
> On Aug 2, 2025, at 2:47 AM, Ciaran Anscomb via Coco <[email protected]> wrote: > > FWIW this is the bodge I have saved out for doing PCLEAR0 without such > ROM patching: > > POKE183,PEEK(183)-6:POKE188,PEEK(188)-6:PCLEAR1:POKE183,PEEK(183)+6:POKE188,PEEK(188)+6 > > Annoyingly verbose, but should account for DOS, and works on the > Dragon too. WITCHCRAFT! I just tried this in Xroar … and it works. Wow. I think this would be easier to type in than what I use: 10 CLS:FORA=0TO8:READA$:POKE1024+A,VAL("&H"+A$):NEXTA:EXEC1024:DATAC6,1,96,BC,1F,2,7E,96,A3 And maybe easier to remember… 183 -6, 188 -6, PCLEAR 1, then reverse 183 +6, 188 +6. But … WHY does it work??? -- Allen Huffman - PO Box 7634 - Urbandale IA 50323 - 515-999-0227 (vmail/TXT only) http://www.subethasoftware.com - https://www.facebook.com/subethasoftware -- Coco mailing list [email protected] https://pairlist5.pair.net/mailman/listinfo/coco