mirror of https://github.com/a2-4am/4cade.git
63 lines
1.2 KiB
Plaintext
63 lines
1.2 KiB
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/MINIT.MAN",plain
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*=$106
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!source "src/prelaunch/common.a"
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jmp main
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callback
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jsr $BD57
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ldx $B7EC
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ldy $B7ED
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cpx #$17
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bne ++
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lda #0
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cpy #8
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beq +
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cpy #5
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bne ++
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sta $BB48
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rol
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sta $BB4D ; hook in-game reset
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bne ++
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+ sta $BA48
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rol
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sta $BA4D ; hook in-game reset
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++
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+GET_MACHINE_STATUS
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and #CHEATS_ENABLED
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beq +
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cpx #$14
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bne +
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cpy #$0B
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bne +
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lda #$a5
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sta $BBD2 ; patch - don't decrease lives
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+ rts
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main
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+ENABLE_ACCEL
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lda #$60
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sta $9FD
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jsr $800 ; load DOS
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lda #$A9
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sta $BF24
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lda #$01
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sta $BF25 ; hook loader reset
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lda #<callback
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sta $BD26
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lda #>callback
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sta $BD27
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+
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+DISABLE_ACCEL
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jmp $B700
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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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