4cade/src/prelaunch/oid.zone.a

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;license:MIT
;(c) 2020 by qkumba
!cpu 6502
!to "build/PRELAUNCH.INDEXED/OID.ZONE",plain
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*=$106
!source "src/macros.a"
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+ENABLE_ACCEL
lda #$60
sta $51CA
jsr $800 ; decompress
+GET_MACHINE_STATUS
and #CHEATS_ENABLED
beq +
lda #$ad
sta $7FD5 ; patch - don't decrease lives
+
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lda #$4C
sta $AF79
sta $AF8C
lda #<callback1
sta $AF7A
lda #>callback1
sta $AF7B
lda #<callback2
sta $AF8D
lda #>callback2
sta $AF8E
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+DISABLE_ACCEL
jmp $3FFD
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callback1
sec
sbc #8
cmp #2
bcc +
- jmp $AF93
+ jmp $AF7D
callback2
sec
sbc #8
cmp #2
bcs -
jmp $AF90
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!if * > $1C0 {
!error "code is too large, ends at ", *
}