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slightly optimize loop
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@ -57,22 +57,22 @@ main {
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ubyte @zp x
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ubyte @zp x
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ubyte @zp y
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ubyte @zp y
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for y in 0 to 24 {
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for y in 24 downto 0 {
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ybuf[y] = sin8u(c1a) + sin8u(c1b)
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ybuf[y] = sin8u(c1a) + sin8u(c1b)
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c1a += 4
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c1a += 4
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c1b += 9
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c1b += 9
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}
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}
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c1A += 3
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c1A += 3
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c1B -= 5
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c1B -= 5
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for x in 0 to 39 {
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for x in 39 downto 0 {
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xbuf[x] = sin8u(c2a) + sin8u(c2b)
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xbuf[x] = sin8u(c2a) + sin8u(c2b)
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c2a += 3
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c2a += 3
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c2b += 7
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c2b += 7
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}
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}
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c2A += 2
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c2A += 2
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c2B -= 3
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c2B -= 3
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for y in 0 to 24 {
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for y in 24 downto 0 {
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for x in 0 to 39 {
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for x in 39 downto 0 {
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@(screen) = xbuf[x] + ybuf[y]
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@(screen) = xbuf[x] + ybuf[y]
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screen++
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screen++
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}
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}
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