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70 lines
1.5 KiB
Plaintext
70 lines
1.5 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 "res/DEMO/WARP.DESTROYER",plain
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*=$320
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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_KEEP_DIR warp_destoyer, warp_destoyer_dir_e-warp_destoyer_dir_b
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lda #$4C
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sta $893
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jsr $800 ; decompress, show title
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ldx #1
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stx $6692
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dex
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stx $669C ; reset vector patch
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lda #$B0
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sta $76D1
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lda #$13 ; disable unknown hardware support
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sta $76D2 ; otherwise hangs on IIgs
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ldx #3-1
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- lda patch,x
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sta $7AA6,x ; auto-select keyboard control
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dex
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bpl -
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lda #$D0
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sta $65D6 ; disable sound
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+DISABLE_ACCEL
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lda #$60
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sta $8BB
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lda #0
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jsr $896 ; memory move, show second title
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ldx #3-1
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- lda patch2,x
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sta $8051,x
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sta $8107,x
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sta $8157,x
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sta $839D,x ; set exits
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dex
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bpl -
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jmp $667D
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patch !byte $A9,$CB,$EA
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patch2 !byte $4C,$00,$01
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warp_destoyer
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!byte warp_destoyer_e-warp_destoyer_b
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warp_destoyer_b
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warp_destoyer_dir_b
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!text "X/WARP.DESTROYER"
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warp_destoyer_dir_e
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!text "/WARP.DESTROYER"
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warp_destoyer_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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