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28 lines
660 B
Plaintext
28 lines
660 B
Plaintext
;license:MIT
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;(c) 2019-2020 by 4am
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!cpu 6502
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!to "build/PRELAUNCH.INDEXED/SERPENTINE",plain
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*=$106
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!source "src/prelaunch/common.a"
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+NEW_RESET_VECTOR $3C0
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ldx #$0E ; copy patch code to zero page (stack will be destroyed by the time we need to patch)
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- lda patch,x
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sta $3B0,x
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dex
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bpl -
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lda #$B0 ; call patch instead of $233
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sta $8C96
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lda #$03
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sta $8C97
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jmp $43F5 ; decompress and show title
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patch
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jsr $00F0 ; decompress
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jmp $0800
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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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