mirror of https://github.com/a2-4am/4cade.git
66 lines
1.4 KiB
Plaintext
66 lines
1.4 KiB
Plaintext
;license:MIT
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;(c) 2021-2022 by qkumba
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!cpu 6502
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!to "build/PRELAUNCH.INDEXED/APE.ESCAPE",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 $94C7
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sta $94E1
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sta $94F2
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jsr $4000 ; decompress title
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+DISABLE_ACCEL
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lda $C050
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jsr $94CA ; title animation
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+READ_RAM2_NO_WRITE
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jsr EnableAccelerator
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bit $C010
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jsr $94E4 ; decompress game
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lda MockingboardStuff
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bpl no_speech
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and #7
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ora #$C0
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ldy #0
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- ldx $1300,Y ;find #$C4s
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cpx #$C4
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bne +
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sta $1300,Y ;Replace #$C4 with detected slot
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+ ldx $6D00,Y ;find #$C4s
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cpx #$C4
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bne +
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sta $6D00,Y ;Replace #$C4 with detected slot
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+ iny
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bne -
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sta $7941
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sta $7944
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no_speech
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+READ_RAM2_NO_WRITE
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lda MachineStatus
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and #CHEATS_ENABLED
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beq +
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lda #$AD
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sta $6632
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sta $6635 ; patch - don't decrease lives
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lda #4
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sta $6505 ; patch - don't fall any floors after the 1st
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+
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jsr DisableAccelerator
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+READ_ROM_NO_WRITE
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jmp $6200
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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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