mirror of https://github.com/a2-4am/4cade.git
71 lines
1.4 KiB
Plaintext
71 lines
1.4 KiB
Plaintext
;license:MIT
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;(c) 2020, 2022 by qkumba
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!cpu 6502
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!to "build/PRELAUNCH.INDEXED/LG",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 $11EA
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jsr $1000 ; decompress
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lda #$4C
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sta $BC00
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lda #<callback1
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sta $BC01
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lda #>callback1
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sta $BC02
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ldx #<callback2
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stx $BC0B
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sta $BC0C
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ldx #(reset_e-reset_b)-1
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- lda reset_b,x
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sta callback1,x
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dex
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bpl -
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+DISABLE_ACCEL
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jmp $11EF
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reset_b !pseudopc $240 {
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callback1
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+GET_MACHINE_STATUS
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and #CHEATS_ENABLED
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beq +
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lda #$ad
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sta $6FA4 ; patch - don't increase lives
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sta $7604 ; patch - don't decrease lives
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+
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lda #<reset
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sta $3F2
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lda #>reset
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sta $3F3
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jmp $FB6F
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reset
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+READ_RAM1_NO_WRITE
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jmp ($FFFC)
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callback2
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jsr $BC16
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lda $BD4C
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cmp #8
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bne +
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lda $2D
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bne +
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lda #<reset xor $58
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sta $5FF2
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lda #>reset
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sta $5FF3
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lda #(>reset xor $A5) xor $59
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sta $5FF4
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+ rts
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}
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reset_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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