mirror of https://github.com/a2-4am/4cade.git
76 lines
1.5 KiB
Plaintext
76 lines
1.5 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/FLOBYNOID",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 $9C5
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jsr $800 ; decompress
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lda #$60
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sta $B624
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sta $B63A
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jsr $B600
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ldx #hook_e-hook_b
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- lda hook_b, x
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sta $2c8, x
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dex
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bpl -
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lda #$c8
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sta $B6D6
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lda #2
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sta $B6D7
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lda MachineStatus
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and #CHEATS_ENABLED
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beq +
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lda #$8E ; STX
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sta cheat1
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sta cheat2
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sta cheat3
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+ jsr DisableAccelerator
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jsr $BBB3
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jsr $B627
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inc $3F4 ; reboot
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jmp $8003
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hook_b !pseudopc $2c8 {
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pla
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pla
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jsr $B64F
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jsr $B6D8
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ldx #$AD
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lda #$CE
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cmp $AD9
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bne +
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cheat1 cpx $AD9 ; SMC patch - don't decrease lives
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+ cmp $1461
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bne +
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cheat2 cpx $1461 ; patch - don't trigger anti-cheat
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+ lda $1893
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cmp #$EE
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bne +
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cheat3 cpx $1893 ; SMC patch - don't increase lives
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+ lda $B088
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eor #$0D
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bne +
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sta $B088 ; patch - don't trigger anti-tamper
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+ clc
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rts
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!if * > $2FF {
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!error "code is too large, ends at ", *
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}
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}
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hook_e
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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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