initial commit

oscar64/samples/hires/lines.c

@@ -0,0 +1,68 @@
+#include <c64/memmap.h>
+#include <c64/vic.h>
+#include <gfx/bitmap.h>
+#include <string.h>
+#include <conio.h>
+
+
+#define Color	((char *)0xd000)
+#define Hires	((char *)0xe000)
+
+Bitmap		Screen;
+
+void init(void)
+{
+	mmap_trampoline();
+	mmap_set(MMAP_RAM);
+
+	memset(Color, 0x01, 1000);
+	memset(Hires, 0x00, 8000);
+
+	mmap_set(MMAP_NO_ROM);
+
+	vic_setmode(VICM_HIRES, Color, Hires);
+
+	vic.color_border = VCOL_WHITE;
+
+	bm_init(&Screen, Hires, 40, 25);	
+}
+
+void done(void)
+{
+	mmap_set(MMAP_ROM);
+
+	getch();
+
+	vic_setmode(VICM_TEXT, (char *)0x0400, (char *)0x1000);
+}
+
+void draw(ClipRect * cr, byte pattern)
+{
+	for(int i=0; i<40; i ++)
+	{
+		bm_line(&Screen, cr, 8 * i, 0, 319, 5 * i, pattern, LINOP_SET);
+		bm_line(&Screen, cr, 319, 5 * i, 319 - 8 * i, 199, pattern, LINOP_SET);
+		bm_line(&Screen, cr, 319 - 8 * i, 199, 0, 199 - 5 * i, pattern, LINOP_SET);
+		bm_line(&Screen, cr, 0, 199 - 5 * i, 8 * i, 0, pattern, LINOP_SET);
+	}
+}
+
+int main(void)
+{
+	init();
+
+	ClipRect	cr = {0, 0, 320, 200};
+
+	draw(&cr, 0xff);
+	draw(&cr, 0x00);
+
+	draw(&cr, 0xff);
+	draw(&cr, 0xaa);
+	draw(&cr, 0x88);
+	draw(&cr, 0x80);
+	draw(&cr, 0x00);
+
+	done();
+	
+	return 0;
+}