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sound, add FM filtering

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This commit is contained in:
kub 2022-04-14 17:32:40 +00:00
parent 21e0cd52e6
commit 68a950875c
13 changed files with 73 additions and 854 deletions
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4
pico/sound/ym2612_arm.S
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@ -682,15 +682,15 @@ crl_loop:
subs r4, r4, #0x100
bmi crl_loop_end
ldr r5, [lr, #0x40] @ CH
mov r0, #0
add r8, r8, r9
subs r8, r8, #(1<<EG_SH)
blt eg_loop_done
crl_eg_loop:
ldr r5, [lr, #0x40] @ CH
#if defined(SSG_EG)
tst r12, #0x02 @ ssg_enabled?
tst r12, #0x02 @ ssg_enabled?
beq ssg_done
@ -- SSG --