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 by Frank M.
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!cpu 6502
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!to "res/DEMO/MOON.PATROL",plain
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*=$200
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!source "src/constants.a" ; no code in these
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!source "src/macros.a"
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+READ_RAM2_WRITE_RAM2
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jsr EnableAccelerator
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+LOAD_FILE_AT title, $00
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+READ_ROM_NO_WRITE
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lda #$60
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sta $49DD
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jsr $800
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lda #$4C
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sta $2A95
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sta $2A7E
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sta $0C31
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sta $2E80
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lda #0
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sta $2A95+1
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sta $2A7E+1
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sta $0C31+1
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sta $2E80+1
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lda #1
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sta $2A95+2
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sta $2A7E+2
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sta $0C31+2
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sta $2E80+2 ; exit on keypress/end of demo
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lda #$A2
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sta $0996
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lda #$FF
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sta $0996+1
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lda #$9A
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sta $0996+2 ; prevent stack pointer from overwriting $100
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ldx #26-1
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- lda patch, x
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sta $2726, x
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dex
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bpl - ; exit on keypress during title screen
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lda #$2C
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sta $2A61
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sta $2A88 ; disable options screen
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+DISABLE_ACCEL
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jmp $919
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title !byte x_e-x_b
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x_b !text "X/MOON.PATROL/MOON.PATROL"
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x_e
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patch !byte $20,$B8,$0A,$2C,$10,$C0,$A2,$41,$A9,$FF,$20,$A8,$FC,$AD,$00,$C0,$10,$05,$4C,$00,$01,$EA,$EA,$CA,$D0,$EE
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!if * > $3F0 {
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!error "code is too large, ends at ", *
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}
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