mirror of https://github.com/a2-4am/4cade.git
75 lines
1.4 KiB
Plaintext
75 lines
1.4 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/MAPPLE",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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jmp skip
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!pseudopc $200+*-$100 {
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callback
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pla
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pha
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cmp #$5f
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beq +
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dec $512B
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+ jmp $50C0
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}
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skip
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ldy #0
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- lda $100,y
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sta $200,y
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iny
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bne -
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+RESET_VECTOR_HALF $200
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lda #$60
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sta $950B
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jsr $6C17 ; decompress
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+READ_RAM2_NO_WRITE
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lda MachineStatus
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and #CHEATS_ENABLED
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beq +
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lda #$ad
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sta $4276 ; patch - don't increase lives
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sta $4B75 ; patch - don't decrease lives
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lda #$4C
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sta $50BD
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lda #<callback
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sta $50BE
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lda #>callback
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sta $50BF
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+
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lda MockingboardStuff
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beq no_mb
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and #7
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ora #$C0
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ldx #0
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mb_page1
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ldy $6D00, x
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cpy #$C4
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bne +
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mb_page2
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sta $6D00, x
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+ inx
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bne mb_page1
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inc mb_page1+2
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inc mb_page2+2
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dec pages
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bne mb_page1
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no_mb
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jsr DisableAccelerator
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+READ_ROM_NO_WRITE
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jmp $4000
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pages !byte 3
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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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