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fix tab indentation

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This commit is contained in:
Mariano Dominguez 2023-01-05 21:27:54 -08:00
parent 30df733c31
commit 29a80065cc
1 changed files with 26 additions and 26 deletions
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52
libsrc/atari/sound.s
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@ -9,31 +9,31 @@
.import popa
; play sound, arguments: voice, pitch, distortion, volume. same as BASIC
.proc _sound
sta STORE2 ;save volume
jsr popa ;get distortion
sta STORE1 ;save distortion
jsr popa ;get pitch
pha ;save in stack
jsr popa ;get voice
asl a ;adjust voice *2 for offset in x
tax
pla ;get pitch from stack
sta AUDF1,x ; store pitch
lda #0
sta AUDCTL
lda #3
stx SKCTL ;init sound
lda STORE1 ;get distortion
asl a ;ignore the high nibble
asl a
asl a
asl a
clc ; setup for adding volume
adc STORE2 ; add volume
sta AUDC1,x ; volume + distortion in control channel
rts
sta STORE2 ;save volume
jsr popa ;get distortion
sta STORE1 ;save distortion
jsr popa ;get pitch
pha ;save in stack
jsr popa ;get voice
asl a ;adjust voice *2 for offset in x
tax
pla ;get pitch from stack
sta AUDF1,x ;store pitch
lda #0
sta AUDCTL
lda #3
stx SKCTL ;init sound
lda STORE1 ;get distortion
asl a ;ignore the high nibble
asl a
asl a
asl a
clc ;setup for adding volume
adc STORE2 ;add volume
sta AUDC1,x ;volume + distortion in control channel
rts
.endproc
; reserve 2 bytes for temp storage
;reserve 2 bytes for temp storage
.bss
STORE1: .res 1
STORE2: .res 1
STORE1: .res 1
STORE2: .res 1