mirror of https://github.com/a2-4am/4cade.git
48 lines
1.0 KiB
Plaintext
48 lines
1.0 KiB
Plaintext
;license:MIT
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;(c) 2022 by qkumba
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!cpu 6502
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!to "build/PRELAUNCH.INDEXED/SHEILA",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 $C85
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jsr $C00 ; decompress
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ldx #0
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stx $4001
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inx
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stx $400C ; reset vector
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+READ_RAM2_NO_WRITE
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lda MachineStatus
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and #CHEATS_ENABLED
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beq +
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lda #$a5
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sta $611 ; patch - don't decrease weapon
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sta $62A ; patch - don't decrease weapon
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dec $470D ; patch - don't decrease time
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lda #$ED
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sta $6EBA
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lda #$6F
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sta $6EBB ; patch - don't decrease life
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+
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jsr DisableAccelerator
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+READ_ROM_NO_WRITE
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lda #$4C
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sta $405A
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jsr $4000
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pha
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lda #$A9
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sta $478 ; work around IIe firmware issue
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pla
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jmp $405D
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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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