nuclear@1: #include <stdint.h>
nuclear@0: #include "vdp.h"
nuclear@0: 
nuclear@4: uint32_t pat0[] = {
nuclear@4: 	0x00000000,
nuclear@4: 	0x00000000,
nuclear@4: 	0x00000000,
nuclear@4: 	0x00010000,
nuclear@4: 	0x00000000,
nuclear@4: 	0x00000000,
nuclear@4: 	0x00000000,
nuclear@4: 	0x00000000
nuclear@4: };
nuclear@4: 
nuclear@4: uint32_t pat1[] = {
nuclear@4: 	0x11111111,
nuclear@4: 	0x11000011,
nuclear@4: 	0x10100101,
nuclear@4: 	0x10011001,
nuclear@4: 	0x10011001,
nuclear@4: 	0x10100101,
nuclear@4: 	0x11000011,
nuclear@4: 	0x11111111
nuclear@4: };
nuclear@4: 
nuclear@4: uint32_t pat2[] = {
nuclear@4: 	0x11111111,
nuclear@4: 	0x10011001,
nuclear@4: 	0x10011001,
nuclear@4: 	0x11111111,
nuclear@4: 	0x11111111,
nuclear@4: 	0x10011001,
nuclear@4: 	0x10011001,
nuclear@4: 	0x11111111
nuclear@4: };
nuclear@4: 
nuclear@4: void load_pattern(int idx, void *data);
nuclear@4: void set_tile(int x, int y, int tile_idx, int palidx);
nuclear@4: 
nuclear@0: int main(void)
nuclear@0: {
nuclear@4: 	int i, j;
nuclear@4: 
nuclear@0: 	vdp_init();
nuclear@0: 
nuclear@1: 	vdp_set_pal_entry(0, 0, 0, 0, 0);
nuclear@4: 	vdp_set_pal_entry(0, 1, 7, 1, 3);
nuclear@4: 	vdp_set_bgcolor(0, 0);
nuclear@0: 
nuclear@4: 	load_pattern(0, pat0);
nuclear@4: 	load_pattern(1, pat1);
nuclear@4: 	load_pattern(2, pat2);
nuclear@4: 
nuclear@4: 	vdp_set_nametab_idx(VDP_PLANE_A, 6);
nuclear@4: 
nuclear@4: 	for(i=0; i<20; i++) {
nuclear@4: 		for(j=0; j<20; j++) {
nuclear@4: 			set_tile(j, i, 1, 0);
nuclear@4: 		}
nuclear@4: 	}
nuclear@4: 
nuclear@4: 	//vdp_enable_hintr(12);
nuclear@4: 	//vdp_enable_vintr();
nuclear@1: 
nuclear@0: 	for(;;);
nuclear@0: 
nuclear@0: 	return 0;
nuclear@0: }
nuclear@1: 
nuclear@4: /*
nuclear@1: uint16_t testcol = 0x00c0;
nuclear@1: 
nuclear@1: void vblank_handler(void)
nuclear@1: {
nuclear@1: 	testcol = 0x00c0;
nuclear@1: }
nuclear@4: */
nuclear@4: 
nuclear@4: void load_pattern(int idx, void *data)
nuclear@4: {
nuclear@4: 	int i;
nuclear@4: 	uint32_t *ptr = data;
nuclear@4: 	uint16_t addr = idx << 5;
nuclear@4: 	vdp_setup_access(addr, VDP_MEM_WRITE, VDP_MEM_VRAM);
nuclear@4: 
nuclear@4: 	for(i=0; i<16; i++) {
nuclear@4: 		VDP_PORT_DATA32 = *ptr++;
nuclear@4: 	}
nuclear@4: }
nuclear@4: 
nuclear@4: void set_tile(int x, int y, int tile_idx, int palidx)
nuclear@4: {
nuclear@4: 	uint16_t tile_ent, addr;
nuclear@4: 
nuclear@4: 	tile_ent = vdp_nametab_entry(tile_idx, palidx, VDP_TILE_LOW_PRIO);
nuclear@4: 
nuclear@4: 	addr = vdp_nametab_addr(6) + (y * 64 + x) * 2;
nuclear@4: 	vdp_setup_access(addr, VDP_MEM_WRITE, VDP_MEM_VRAM);
nuclear@4: 	VDP_PORT_DATA = tile_ent;
nuclear@4: }