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