2019-10-01 02:24:45 +00:00
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;license:MIT
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;(c) 2019 by 4am
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!cpu 6502
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!to "build/PRELAUNCH/UP.N.DOWN",plain
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*=$106
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!source "src/prelaunch/common.a"
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2019-10-05 01:34:49 +00:00
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+GET_MACHINE_STATUS
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and #CHEATS_ENABLED
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sta patch+1
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2019-10-05 22:58:45 +00:00
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ldx #$0B ; copy patch code to zero page (stack will be destroyed by the time we need to patch)
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2019-10-01 02:24:45 +00:00
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- lda patch,x
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2019-10-05 22:58:45 +00:00
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sta $F4,x
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2019-10-01 02:24:45 +00:00
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dex
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bpl -
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2019-10-05 22:58:45 +00:00
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lda #$F4 ; call patch instead of $200
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2019-10-01 02:24:45 +00:00
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sta $4061
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lda #$00
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sta $4062
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jmp $2DC2
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patch
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2019-10-05 01:34:49 +00:00
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lda #0 ; SMC
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beq +
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2019-10-01 02:24:45 +00:00
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lda #$B5
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sta $0912 ; patch - don't decrease lives
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2019-10-05 01:34:49 +00:00
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+
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2019-10-01 02:24:45 +00:00
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jmp $0200 ; continue with load
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