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25 lines
570 B
Plaintext
25 lines
570 B
Plaintext
void main() {
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word i
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byte hn, ln
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// 256-colour text mode for layer 0
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vera_poke(VERA_LAYER_1, $21)
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// 8×8 tiles, 64×64 tile map
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vera_poke(VERA_LAYER_1+1, $35)
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// 2× zoom in
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vera_poke(VERA_COMPOSER_CTRL+1, $40)
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vera_poke(VERA_COMPOSER_CTRL+2, $40)
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i = 0
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while i < $2000 {
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vera_poke(i, $A0)
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if i.lo & $7f < 64 {
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ln = lo(i>>1) & $1f
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hn = lo(i>>2) & $e0
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vera_poke(i+1, hn | ln)
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} else {
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vera_poke(i+1, 0)
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}
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i += 2
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}
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while true {}
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}
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