mirror of https://github.com/a2-4am/4cade.git
39 lines
842 B
Plaintext
39 lines
842 B
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/A.E",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 $4CFC
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sta $4D23
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bne +
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!fill $12
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+ jsr $BD5 ; decompress title
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+DISABLE_ACCEL
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jsr $800
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+ENABLE_ACCEL
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jsr $535 ; decompress game
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+READ_RAM2_NO_WRITE
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lda MachineStatus
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and #CHEATS_ENABLED
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beq +
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lda #$ad
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sta $773 ; patch - don't decrease lives
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+
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jsr DisableAccelerator
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lda #$8d ; fix opcode overwritten by
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sta $07fe ; Laser accelerator code
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+READ_ROM_NO_WRITE
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jmp $68E
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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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