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Apple ][ version of my C64/6502 coding challenge entry, 48 bytes
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| * = $802 | |
| !let L=$06 | |
| !let R=v | |
| jsr $fB40 | |
| sta $c052 | |
| jsr $f832 | |
| ldx #23 | |
| loop: txa | |
| jsr $f847 | |
| lda #$77 | |
| ldy L | |
| sta ($26),y | |
| inc L | |
| ldy R | |
| sta ($26),y | |
| dec R | |
| asl pattern | |
| bcc loop | |
| inc pattern | |
| dex | |
| bpl loop | |
| inf: bmi inf | |
| pattern:!byte $6d | |
| v: !byte 39 |
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Cannot draw all the 25 lines tho, unless aspect ratio changed. Now draws all 48 lines in lo-res graphics mode (24 lines duplicated).