122 lines
1.2 KiB
ArmAsm
122 lines
1.2 KiB
ArmAsm
;10 HOME
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;20 REM FOR I=2048 TO 3072:POKE I,160:NEXT
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;30 INVERSE
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;40 ?SPC(5):?:FORX=1TO5:NORMAL:?SPC(4):?:INVERSE:?SPC(1):NEXT:?SPC(5)
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;100 GOTO 100
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;130 POKE 49236+P,0:P=NOT P:FOR I=1 TO 1000:NEXT:GOTO 30
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.include "hardware.inc"
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H2 = $2C
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V2 = $2D
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COLOR = $30
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cursor:
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jsr HOME
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lda #$20
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sta COLOR
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lda #8
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sta H2
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lda #3
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ldy #3
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jsr HLINE ; HLINE Y,$2C at A
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lda #8
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sta H2
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lda #15
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ldy #3
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jsr HLINE ; HLINE Y,$2C at A
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lda #14
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sta V2
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lda #2
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ldy #8
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jsr VLINE
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lda #14
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; sta V2
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lda #2
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ldy #7
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jsr VLINE ; VLINE A,$2D at Y
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copy2page2:
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ldx #0
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c2p2_loop:
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smc1:
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lda $400,X
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smc2:
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sta $800,X
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inx
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bne c2p2_loop
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inc smc1+2
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inc smc2+2
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lda smc2+2
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cmp #$10
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bne c2p2_loop
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lda #$5
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sta V2
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yloop1:
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ldy #12
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xloop1:
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lda V2
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jsr PLOT ; plot at Y,A
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iny
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iny
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cpy #17
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bcc xloop1
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lda yloop1+1
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eor #$1
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sta yloop1+1
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inc V2
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inc V2
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lda V2
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cmp #15
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bne yloop1
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; ldy #12
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;xloop2:
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; lda #7
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; jsr PLOT ; plot at Y,A
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; iny
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; iny
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; cpy #16
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; bcc xloop2
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forever:
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bit PAGE0
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ldx #3
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lw1:
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lda #200
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jsr WAIT
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dex
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bne lw1
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bit PAGE1
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ldx #3
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lw2:
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lda #200
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jsr WAIT
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dex
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bne lw2
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jmp forever
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; want this at 3F5, $389 to start, so -6C, 36C
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jmp cursor
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