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Optimized the code a bit, thanks to Greg for the suggestions/comments.

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This commit is contained in:
Marco van den Heuvel
2018-05-01 14:46:57 -07:00
parent b1c3daca3a
commit e88ac62d06
2 changed files with 4 additions and 13 deletions
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6
libsrc/c64/acc_detect_turbomaster.s
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@@ -37,11 +37,9 @@ _detect_turbomaster:
; Check for turbo master basic replacement ; Check for turbo master basic replacement
ldy TURBOMASTER_DETECT ldy TURBOMASTER_DETECT
cpy #$A2 cpy #$A2
bne not_found beq found
found:
lda #$01
.byte $24
not_found: not_found:
txa txa
found:
rts rts

11
libsrc/c64/acc_turbomaster_speed.s
View File

@@ -38,18 +38,11 @@
_set_turbomaster_speed: _set_turbomaster_speed:
tay tay
lda TURBOMASTER_SPEED_REG lda TURBOMASTER_SPEED_REG
asl
cpy #SPEED_4X cpy #SPEED_4X
bcs high_speed ror
low_speed:
and #$7F
store_speed: store_speed:
sta TURBOMASTER_SPEED_REG sta TURBOMASTER_SPEED_REG
jmp _get_turbomaster_speed
high_speed:
ora #$80
bne store_speed
_get_turbomaster_speed: _get_turbomaster_speed:
ldx #$00 ldx #$00