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; Set log level to "info" or above for the best results!
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(
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(sc-init 800 600)
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(sc-opt 1 1) ; auto blit
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(sc-opt 2 25) ; frame rate
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(ld r0 5) ; x
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(ld r1 0) ; y
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(ld r2 1) ; dx
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(ld r3 1) ; dy
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(ld r5 0x3300ff)
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(:loop)
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(add r5 0x000001)
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(sc-px r0 r1 r5)
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(add r0 r2)
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(add r1 r3)
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(cmp r0 799 (eq? (ld r2 -1)) (ne? (cmp r0 0 (eq? (ld r2 1)))))
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(cmp r1 599 (eq? (ld r3 -1)) (ne? (cmp r1 0 (eq? (ld r3 1)))))
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(j :loop)
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(fault "unreachable")
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)
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