Fix some off-by-one loads in MSU fallback

This commit is contained in:
qwertymodo
2019-09-25 18:35:45 -07:00
parent aa1a07f85b
commit 5be274d69e

View File

@@ -231,8 +231,8 @@ CheckMusicLoadRequest:
LDA $040C : LSR : !ADD.b #33 : STA !REG_MUSIC_CONTROL_REQUEST
.check_fallback
LDX !REG_MUSIC_CONTROL_REQUEST : DEX
LDA MusicShuffleTable,X : DEC : PHA
LDX !REG_MUSIC_CONTROL_REQUEST
LDA MusicShuffleTable-1,X : DEC : PHA
AND.b #$07 : TAY
PLA : LSR #3 : TAX
LDA !REG_MSU_FALLBACK_TABLE,X : BEQ .secondary_fallback : CMP.b #$FF : BEQ .mute
@@ -270,7 +270,7 @@ CheckMusicLoadRequest:
SEP #$20
LDA ($00)
PLY : STY $00 : SEP #$10 : PLB
TAX : LDA MusicShuffleTable,X
TAX : LDA MusicShuffleTable-1,X
STA !REG_MUSIC_CONTROL_REQUEST
BRL .check_fallback