Changelog:
r43503 | gpz | 2023-03-12 22:30:58 +0000 (Sun, 12 Mar 2023) | 1 line
some refactoring and comments, model business vs graphics mode switching via secondary address better. The exact behaviour still needs to be verified on a real printer, the manual is not clear either :(
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r43501 | gpz | 2023-03-12 14:09:28 +0000 (Sun, 12 Mar 2023) | 1 line
updated details on the filter function(s) derivative, patch by Leandro Nini
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r43499 | blackystardust | 2023-03-11 21:53:20 +0000 (Sat, 11 Mar 2023) | 1 line
Fix x128 z80 bios area writes.
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r43489 | gpz | 2023-03-10 17:16:13 +0000 (Fri, 10 Mar 2023) | 1 line
make formfeed in mps803 emulation not end in a null-op, should fix #1844. Also added some more debug output and fixed some warnings.
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r43488 | gpz | 2023-03-10 12:37:04 +0000 (Fri, 10 Mar 2023) | 1 line
actually fix the VDC mirrors :)
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