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How to create SFX for Moonsound's FM registers ?

by norakomi on 31-01-2022, 07:45
Score: 172.21 %, Type: Forum topic , Comments: 42 comments
for FM channels ? I don't know anything about this. Have 0 experience with it. I'm also ... 7,(hl) res 6,(hl) ld c,$a0 ld hl,AYREGS .sfxloop: out (c),a ;first write ... inc a cp 13 jr nz,.sfxloop ;/out buffered sfx data So we write to psg register $a0 ...

wait 15 T-States between reading and writing to Vram

by norakomi on 09-01-2022, 11:33
Score: 171.68 %, Type: Forum topic , Comments: 51 comments
this (untested): ld C, #0x98 ld HL, #DATA_ADDR .rept 31 outi outi outi inc HL .endm outi ... the entire SAT at once (untested): ld C, #0x98 ld HL, #DATA_ADDR ld B, 128 ; 32*4 outir ... than copying everything at once. ld C, #0x98 ld HL, #DATA_ADDR ld B, 128 ; 32*4 outir ...
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