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48 lines
1.0 KiB
Plaintext
48 lines
1.0 KiB
Plaintext
;license:MIT
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;(c) 2021-2022 by Frank M., qkumba
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!cpu 6502
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!to "build/PRELAUNCH.INDEXED/STARGATE",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 $4697
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jsr $800 ; decompress
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lda #$60
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sta $9A03
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jsr $9A00 ; decompress2
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lda #0
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sta $47F2
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sta $47FE
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lda #1
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sta $47F3
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sta $47FF ; IRQ vector (moved to $3FE/F)
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lda #$A4
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sta $47F4 ; reset vector (moved to $3F2/3/4)
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+READ_RAM2_NO_WRITE
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lda MachineStatus
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and #CHEATS_ENABLED
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beq +
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ldx #$FF
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stx $1946 ; patch - don't decrease people
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inx
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stx $1C11 ; patch - don't decrease lives
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lda #$25
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sta $1E98 ; patch - don't decrease bombs
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+
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jsr DisableAccelerator
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+READ_ROM_NO_WRITE
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jmp $5000
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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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