mirror of https://github.com/a2-4am/4cade.git
39 lines
895 B
Plaintext
Executable File
39 lines
895 B
Plaintext
Executable File
;license:MIT
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;(c) 2019 by qkumba/Frank M.
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!cpu 6502
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!to "build/PRELAUNCH.INDEXED/CANYON.CLIMBER",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 $8022
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jsr $67de ; decompress
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+GET_MACHINE_STATUS
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and #CHEATS_ENABLED
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beq +
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lda #$a5
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sta $35c2
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+
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lda #$82 ; READ_ROM_NO_WRITE
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sta $101
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lda #$A6
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sta $104
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lda #$FA
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sta $105 ; update TR hook to reboot
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+READ_RAM2_WRITE_RAM2
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lda #0
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sta $3256 ; sets reset at $455
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sta $FFFC
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lda #1
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sta $3261 ; which is copied from $3255
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sta $FFFD ; LC reset vector fix
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+DISABLE_ACCEL
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jmp $3000
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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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