mirror of https://github.com/a2-4am/4cade.git
62 lines
1.2 KiB
Plaintext
62 lines
1.2 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/ALIEN.MUNCHIES",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 $1638
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jsr $1610 ; decompress
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ldx #10-1
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- lda patch1, x
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sta $0F67, x
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dex
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bpl - ; exit on button or keypress during demo
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ldx #5-1
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- lda patch2, x
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sta $092D, x
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sta $139D, x
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dex
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bpl - ; exit on keypress at title screen & during demo
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ldx #3-1
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- lda patch3, x
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sta $1392, x
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sta $0B50, x
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sta $0B4B, x
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sta $1153, x
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dex
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bpl - ; set exits
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lda #$D0
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sta $1161 ; disable sound
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+DISABLE_ACCEL
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jmp $833
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patch1 !byte $30,$05,$AD,$00,$C0,$10,$29,$4C,$00,$01
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patch2 !byte $10,$0A,$4C,$00,$01
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patch3 !byte $4C,$00,$01
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title !byte x_e-x_b
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x_b !text "X/ALIEN.MUNCHIES/ALIEN.MUNCHIES"
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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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