mirror of https://github.com/a2-4am/4cade.git
86 lines
1.6 KiB
Plaintext
86 lines
1.6 KiB
Plaintext
;license:MIT
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;(c) 2022 by qkumba
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!cpu 6502
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!to "build/PRELAUNCH.INDEXED/CHRONO.WARRIOR",plain
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*=$106
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!source "src/prelaunch/common.a"
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jmp skip
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callback
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jsr $BC9D
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lda $1A81
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ldy $1A82
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ldx #$A5
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cmp #$13
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beq level1
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cmp #$18
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beq level2
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cmp #$19
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beq level3
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cmp #$1C
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beq level4
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cmp #$1D
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beq level5
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cmp #$20
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beq level6
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bne notlevel
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level1
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tya
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bne notlevel
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stx $891F ; patch - don't decrease lives
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level2
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cpy #2
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bne notlevel
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stx $8782 ; patch - don't decrease lives
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level3
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cpy #$0E
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bne notlevel
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stx $88DD ; patch - don't decrease lives
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level4
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tya
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bne notlevel
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stx $87BE ; patch - don't decrease lives
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level5
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cpy #8
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bne notlevel
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stx $8CA5 ; patch - don't decrease lives
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level6
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cpy #$0C
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bne notlevel
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stx $813F ; patch - don't increase lives
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notlevel
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lda #0
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rts
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skip
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+ENABLE_ACCEL
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lda #$60
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sta $2079
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jsr $2000 ; decompress
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+READ_RAM2_NO_WRITE
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lda MachineStatus
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and #CHEATS_ENABLED
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beq +
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lda #<callback
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sta $BC90
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lda #>callback
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sta $BC91
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+
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jsr DisableAccelerator
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+READ_ROM_NO_WRITE
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jmp $1B40
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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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