mirror of https://github.com/a2-4am/4cade.git
39 lines
829 B
Plaintext
Executable File
39 lines
829 B
Plaintext
Executable File
;license:MIT
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;(c) 2019, 2022 by Frank M., qkumba
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!cpu 6502
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!to "build/PRELAUNCH.INDEXED/OM",plain
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*=$106
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!source "src/prelaunch/common.a"
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+ENABLE_ACCEL
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lda #$60
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sta $81D
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jsr $800 ; decompress
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+NEW_RESET_VECTOR $280
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lda #$80
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sta $2001
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sta $2016
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sta $812E
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lda #$02
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sta $2006
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sta $201B ; reset vector patch
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sta $8133 ; (yes, that's 3 times)
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+READ_RAM2_NO_WRITE
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lda MachineStatus
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and #CHEATS_ENABLED
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beq +
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lda #$AD
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sta $831C ; patch - don't decrease lives
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+
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jsr DisableAccelerator
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+READ_ROM_NO_WRITE
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jmp $8FD
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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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