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@@ -4,3 +4,29 @@ gd2-lib
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Gameduino 2 library sources. To build the Arduino release ``Gameduino2.zip`` run:
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python publish.py
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+
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+FAQ
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+---
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+
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+**How do I use GD with an 800x480 display?**
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+
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+After calling ``GD.begin()`` you can set the scanout registers for 800x480 like this:
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+
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+ GD.wr16(vc.REG_HCYCLE, 928);
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+ GD.wr16(vc.REG_HOFFSET, 88);
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+ GD.wr16(vc.REG_HSIZE, 800);
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+ GD.wr16(vc.REG_HSYNC0, 0);
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+ GD.wr16(vc.REG_HSYNC1, 48);
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+ GD.wr16(vc.REG_VCYCLE, 525);
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+ GD.wr16(vc.REG_VOFFSET, 32);
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+ GD.wr16(vc.REG_VSIZE, 480);
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+ GD.wr16(vc.REG_VSYNC0, 0);
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+ GD.wr16(vc.REG_VSYNC1, 3);
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+ GD.wr16(vc.REG_CSPREAD, 1);
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+ GD.wr16(vc.REG_DITHER, 1);
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+ GD.wr16(vc.REG_PCLK_POL, 0);
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+ GD.wr16(vc.REG_PCLK, 4);
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+
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+**How do I use GD with an 320x480 display?**
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+
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+There is a writeup here: http://excamera.com/sphinx/article-ili9488.html
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