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R800 DMA...
Score: 130.66 %,
Type: Forum topic , Comments: 43 comments
instead of:
ld a, l
out (0x99),a
ld a, h
or 0x40
out (0x99),a
became
ld c, ... will need to change VDP R15 in order to read either status register S0 and S1. So _ANY_ non-interrupt code ... is extremely slower, in the best case you need 2us to perform a memory access (page 0). OK, the out on z80 ...
Cartridges that requires 12Vdc power supplies and MSX that do not do it
Score: 130.63 %,
Type: Forum topic , Comments: 5 comments
I have a Panasonics MSX FS-A1FX MSX2+ that does not work with some sound cards (Panamusement FM-PAC, yamaha SFG-05), and I put the blame on 12Vdc mains, I know this is just educated guess assumption.
I found this item on Kadenken shop that allegedly ...
