mirror of https://github.com/a2-4am/4cade.git
72 lines
1.4 KiB
Plaintext
72 lines
1.4 KiB
Plaintext
;license:MIT
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;(c) 2019 by Frank M., 2022 by qkumba
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!cpu 6502
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!to "build/PRELAUNCH.INDEXED/THUNDER.BOMBS",plain
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*=$106
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!source "src/prelaunch/common.a"
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lda #$60
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sta $887F
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lda #<fakewait
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sta $8823+1
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sta $882A+2
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lda #>fakewait
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sta $8823+2
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sta $882B+2 ; fix timing of title screen on //gs
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jsr $87F9 ; load, show title
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+ENABLE_ACCEL
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lda #$60
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sta $7818
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jsr $7800 ; unpack/setup
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lda #0
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sta $3F2 ; reset vector B8F2
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sta $3FE ; IRQ vector B8FE
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+READ_RAM2_NO_WRITE
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lda MockingboardStuff
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beq ++
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tax
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and #7
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ora #$C0
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sta $341
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txa
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ldy #6 ; sound/speech
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asl
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bcs +
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ldy #4 ; sound ii
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asl
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bmi +
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dey ; sound i
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+
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sty $340
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jsr $7CB4
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++
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lda MachineStatus
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and #CHEATS_ENABLED
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beq +
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lda #$AD
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sta $E39 ; don't decrease lives
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+
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jsr DisableAccelerator
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+READ_ROM_NO_WRITE
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lda $323
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jmp $781B
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fakewait sec
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wait1 pha
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wait2 sbc #$01
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bne wait2
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pla
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sbc #$01
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bne wait1
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rts
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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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