mirror of https://github.com/a2-4am/4cade.git
68 lines
1.2 KiB
Plaintext
68 lines
1.2 KiB
Plaintext
;license:MIT
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;(c) 2021-22 by qkumba, Frank M.
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!cpu 6502
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!to "build/PRELAUNCH.INDEXED/WARGLE",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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callback2
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jsr $BD58
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jsr $BD09
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lda $B7EC
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cmp #7
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bne +
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ldy #$A5
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lda $B7ED
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cmp #7
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beq ++
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cmp #9
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bne +
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sty $96D6 ; don't increase lives
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beq +
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++ sty $962E ; don't decrease lives
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+ pla
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pla
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clc
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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 $9EA
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jsr $800 ; load "DOS"
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lda #<callback1
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sta $B748
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lda #>callback1
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sta $B749
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jmp $B700
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callback1
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ldx #$00
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stx $9E52
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ldx #$03
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stx $9E53 ; reset vector
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ldx #5
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- lda $100,x
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sta $300,x
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dex
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bpl -
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+GET_MACHINE_STATUS
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and #CHEATS_ENABLED
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beq +
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lda #<callback2
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sta $BD07
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lda #>callback2
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sta $BD08
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+
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+DISABLE_ACCEL
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jmp $9D84
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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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