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https://github.com/a2-4am/4cade.git
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82 lines
1.7 KiB
Plaintext
82 lines
1.7 KiB
Plaintext
;license:MIT
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;(c) 2020 by 4am
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;
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!cpu 6502
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!to "build/FX.INDEXED/DHGR.BAR.DISSLV",plain
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*=$6000
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hgrlo = $0200 ; [$C0 bytes, main memory only]
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hgr1hi = $0300 ; [$C0 bytes, main memory only]
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!source "src/fx/macros.a"
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ldx #(end-start) ; copy code to zero page
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- lda start-1, x
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sta $FF, x
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dex
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bne -
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+BUILD_HGR_LOOKUP_TABLES_X_IS_ALREADY_0 hgrlo, hgr1hi
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jmp loop
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start
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!pseudopc 0 {
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row1=*+1
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loop ldx #$40
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lda hgrlo-$40, x
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sta <src1+1
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sta <dst1+1
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lda hgr1hi-$40, x
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sta <dst1+2
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eor #$60
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sta <src1+2
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clc
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+HIDE_NEXT_BYTE
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- sec
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ldy #$27
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src1 lda $FDFD, y ; SMC
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dst1 sta $FDFD, y ; SMC
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dey
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dey
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bpl src1
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jsr toaux
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bcc -
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jsr tomain
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row2=*+1
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ldx #$BF
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lda hgrlo, x
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sta <src2+1
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sta <dst2+1
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lda hgr1hi, x
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sta <dst2+2
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eor #$60
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sta <src2+2
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clc
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+HIDE_NEXT_BYTE
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- sec
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ldy #$26
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src2 lda $FDFD, y ; SMC
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dst2 sta $FDFD, y ; SMC
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dey
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dey
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bpl src2
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jsr toaux
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bcc -
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jsr tomain
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lda #$30
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jsr WaitForKeyWithTimeout
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bmi exit
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dec row2
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inc row1
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bne loop
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tomain sta $C002
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sta $C004
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exit rts
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toaux sta $C003
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sta $C005
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rts
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!source "src/wait.a"
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}
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end
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