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@@ -113,7 +113,7 @@ void drawPixel(uint32_t x, uint32_t y, uint32_t colour)
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void drawVLine(uint32_t x, uint32_t y0, uint32_t y1, uint32_t colour)
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{
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uint32_t i;
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- if (y0 > y1) { i = y0; y1 = y0; y0 = i; }
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+ if (y0 > y1) { i = y1; y1 = y0; y0 = i; }
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if ((x < 0) || (x > windowWidth))
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{
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@@ -134,7 +134,7 @@ void drawVLine(uint32_t x, uint32_t y0, uint32_t y1, uint32_t colour)
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void drawHLine(uint32_t x0, uint32_t y, uint32_t x1, uint32_t colour)
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{
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uint32_t i;
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- if (x0 > x1) { i = x0; x1 = x0; x0 = i; }
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+ if (x0 > x1) { i = x1; x1 = x0; x0 = i; }
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if ((y < 0) || (y > windowHeight))
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{
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