/************************************************/
/*		Picture & Drawing		*/
/************************************************/

#include "gba.h"
#include "picture.c"
hword* 	sb	= (hword*) VRAM;	// VRAM base address

void box(int, int, int, int, hword);

int main() {

	int 	x, y, bgcol;			// Coordinate data
	hword 	color1, color2;			// Color data for orthogon

	// Bitmap displaying
	for (y = 0; y < 160; y++) {
		for (x = 0; x < 240; x++) {
			sb[y * 240 + x] = picture[bgcol = y * 240 + x];
		}
	}

	// Box Drawing
	color1 = RGB(30, 27, 19);
	color2 = RGB(0, 24, 16);
	box(10, 60, 200, 70, color1);
	box(20, 30, 40, 90, color2);

	// LCD control register
	gba_reg(LCD_CTL) = LCD_BG2 | LCD_MODE3;

	// Loop
	while(1);
}

// 
void box(int x1,int y1, int x2, int y2, hword color) {

	int x, y;

	for (x = x1; x < x2; x++) {		// Box drawing
		for (y = y1; y < y2; y++)
			sb[y*240+x] = color;
	}
}