initial commit

oscar64/samples/rasterirq/colorbars.c

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+#include <c64/vic.h>
+#include <c64/rasterirq.h>
+#include <conio.h>
+
+// Prepare small 14 color bars and one IRQ for back to normal
+RIRQCode	bars[15];
+
+int main(void)
+{
+	// initialize raster IRQ
+	rirq_init(true);
+
+	for(int i=0; i<15; i++)
+	{
+		// Build color change raster IRQ
+		rirq_build(bars + i, 2);
+		// Change border color
+		rirq_write(bars + i, 0, &vic.color_border, i);
+		// Change background color
+		rirq_write(bars + i, 1, &vic.color_back, i);
+		// Place it on screen
+		rirq_set(i, 80 + 8 * i, bars + i);
+	}
+
+	// Sort all raster IRQs
+	rirq_sort();
+
+	// Start raster IRQs
+	rirq_start();
+
+	return 0;
+}