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74 lines
1.3 KiB
Plaintext
74 lines
1.3 KiB
Plaintext
;license:MIT
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;(c) 2022 by qkumba
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!cpu 6502
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!to "build/DEMO/AXIS.ASSASSIN#060300",plain
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*=$300
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!source "src/constants.a" ; no code in these
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!source "src/macros.a"
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+GAME_REQUIRES_JOYSTICK
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+ENABLE_ACCEL_LC
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+LOAD_XSINGLE title
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lda #$84
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sta $3ECC
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lda #$70
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sta $3ED0
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lda #$17
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sta $3EDC
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lda #$60
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sta $3f06
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jsr $3eb1 ; decompress
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ldx #3-1
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- lda patch,x
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sta $5B2E,x ; reset vector patch
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sta $701C,x
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sta $5D5B,x
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dex
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bpl -
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ldx #2-1
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- lda patch+1,x
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sta $5DF4,x
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sta $5CD8,x
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sta $5E09,x
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dex
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bpl -
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lda #$24
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sta $5D24
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lda #$D0
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sta $5D14
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lda #$20
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sta $5D41
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lda #<callback
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sta $5D42
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lda #>callback
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sta $5D43
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lsr $5CBA
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+DISABLE_ACCEL
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jmp $5c00
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counter !byte 5
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callback
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sta $C010
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dec counter
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bmi patch
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rts
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patch !byte $4C,$00,$01
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title !byte x_e-x_b
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x_b !text "AXIS.ASSASSIN"
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x_e
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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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