mirror of https://github.com/a2-4am/4cade.git
68 lines
1.3 KiB
Plaintext
68 lines
1.3 KiB
Plaintext
;license:MIT
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;(c) 2020 by qkumba/Frank M.
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!cpu 6502
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!to "build/PRELAUNCH.INDEXED/TC",plain
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*=$106
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!source "src/prelaunch/common.a"
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+READ_RAM2_NO_WRITE
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jsr EnableAccelerator
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inc $3F4 ; force reboot
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lda MachineStatus
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+READ_ROM_NO_WRITE
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and #CHEATS_ENABLED
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pha
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lda #$60
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sta $A01
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jsr $800 ; load "DOS"
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pla
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beq +
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ldy #(cheat_e - cheat_b) - 1
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- lda cheat_b, y
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sta $FB60, y
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dey
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bpl -
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lda #$20
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sta $FA85
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lda #$60
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sta $FA86
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lda #$FB
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sta $FA87
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+ jsr DisableAccelerator
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jmp $F800
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cheat_b
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ldx $FFC3
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ldy $FFC4
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lda $FA5A
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bne cheat_run
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cheat_drive
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cpx #$1D
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bne cheat_done
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cpy #$0F
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bne cheat_done
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lda #$0A
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sta $FDAB ; patch - don't apply damage
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bne cheat_done
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cheat_run
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cpx #$1E
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bne cheat_done
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cpy #$06
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bne cheat_done
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lda #$AD
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sta $FC18 ; patch - don't decrease lives
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cheat_done
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lda $FFC9
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rts
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cheat_e
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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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