1.1 --- a/src/main.c	Mon Jun 19 08:02:51 2017 +0300
     1.2 +++ b/src/main.c	Tue Jun 20 06:08:58 2017 +0300
     1.3 @@ -1,41 +1,29 @@
     1.4  #include <stdint.h>
     1.5  #include "vdp.h"
     1.6 +#include "tun_data.h"
     1.7  
     1.8 -uint32_t pat0[] = {
     1.9 -	0x00000000,
    1.10 -	0x00000000,
    1.11 -	0x00000000,
    1.12 -	0x00010000,
    1.13 -	0x00000000,
    1.14 -	0x00000000,
    1.15 -	0x00000000,
    1.16 -	0x00000000
    1.17 +#define NAMETAB_A	6
    1.18 +#define NAMETAB_B	6
    1.19 +
    1.20 +void load_pattern(int idx, void *data);
    1.21 +void set_tile(int nametab_idx, int x, int y, int tile_idx, int palidx);
    1.22 +
    1.23 +#define CYCLE_BEG	1
    1.24 +#define CYCLE_END	14
    1.25 +static uint16_t pal[16] = {
    1.26 +	VDP_PACK_RGB(0, 0, 0),	/* 0: fixed */
    1.27 +	VDP_PACK_RGB(0, 0, 0),	/* 1: cycle start */
    1.28 +	VDP_PACK_RGB(0, 0, 0), VDP_PACK_RGB(0, 0, 0),
    1.29 +	VDP_PACK_RGB(0, 0, 0), VDP_PACK_RGB(0, 0, 0),
    1.30 +	VDP_PACK_RGB(0, 0, 0), VDP_PACK_RGB(0, 0, 0),
    1.31 +	VDP_PACK_RGB(0, 0, 0), VDP_PACK_RGB(0, 0, 0),
    1.32 +	VDP_PACK_RGB(0, 0, 0), VDP_PACK_RGB(0, 0, 0),
    1.33 +	VDP_PACK_RGB(0, 0, 0),	/* 12: \            */
    1.34 +	VDP_PACK_RGB(7, 0, 3),	/* 13:  > beam      */
    1.35 +	VDP_PACK_RGB(0, 0, 0),	/* 14: /  cycle end */
    1.36 +	VDP_PACK_RGB(7, 0, 3)		/* 15: fixed */
    1.37  };
    1.38  
    1.39 -uint32_t pat1[] = {
    1.40 -	0x11111111,
    1.41 -	0x11000011,
    1.42 -	0x10100101,
    1.43 -	0x10011001,
    1.44 -	0x10011001,
    1.45 -	0x10100101,
    1.46 -	0x11000011,
    1.47 -	0x11111111
    1.48 -};
    1.49 -
    1.50 -uint32_t pat2[] = {
    1.51 -	0x11111111,
    1.52 -	0x10011001,
    1.53 -	0x10011001,
    1.54 -	0x11111111,
    1.55 -	0x11111111,
    1.56 -	0x10011001,
    1.57 -	0x10011001,
    1.58 -	0x11111111
    1.59 -};
    1.60 -
    1.61 -void load_pattern(int idx, void *data);
    1.62 -void set_tile(int x, int y, int tile_idx, int palidx);
    1.63  
    1.64  int main(void)
    1.65  {
    1.66 @@ -43,39 +31,35 @@
    1.67  
    1.68  	vdp_init();
    1.69  
    1.70 -	vdp_set_pal_entry(0, 0, 0, 0, 0);
    1.71 -	vdp_set_pal_entry(0, 1, 7, 1, 3);
    1.72 +	vdp_setreg(VDP_REG_MODE2, vdp_getreg(VDP_REG_MODE2) | VDP_MODE2_V30CELL);
    1.73 +
    1.74 +	vdp_begin_palette(0, 0);
    1.75 +	for(i=0; i<16; i++) {
    1.76 +		VDP_PORT_DATA = pal[i];
    1.77 +	}
    1.78  	vdp_set_bgcolor(0, 0);
    1.79  
    1.80 -	load_pattern(0, pat0);
    1.81 -	load_pattern(1, pat1);
    1.82 -	load_pattern(2, pat2);
    1.83 +	for(i=0; i<tun_xtiles * tun_ytiles; i++) {
    1.84 +		load_pattern(i, tun_tiles[i]);
    1.85 +	}
    1.86  
    1.87 -	vdp_set_nametab_idx(VDP_PLANE_A, 6);
    1.88 +	vdp_set_nametab_idx(VDP_PLANE_A, NAMETAB_A);
    1.89 +	vdp_set_nametab_idx(VDP_PLANE_B, NAMETAB_B);
    1.90  
    1.91 -	for(i=0; i<20; i++) {
    1.92 -		for(j=0; j<20; j++) {
    1.93 -			set_tile(j, i, 1, 0);
    1.94 +	for(i=0; i<tun_ytiles; i++) {
    1.95 +		for(j=0; j<tun_xtiles; j++) {
    1.96 +			set_tile(NAMETAB_A, j, i, i * tun_xtiles + j, 0);
    1.97  		}
    1.98  	}
    1.99  
   1.100  	//vdp_enable_hintr(12);
   1.101 -	//vdp_enable_vintr();
   1.102 +	vdp_enable_vintr();
   1.103  
   1.104  	for(;;);
   1.105  
   1.106  	return 0;
   1.107  }
   1.108  
   1.109 -/*
   1.110 -uint16_t testcol = 0x00c0;
   1.111 -
   1.112 -void vblank_handler(void)
   1.113 -{
   1.114 -	testcol = 0x00c0;
   1.115 -}
   1.116 -*/
   1.117 -
   1.118  void load_pattern(int idx, void *data)
   1.119  {
   1.120  	int i;
   1.121 @@ -88,13 +72,28 @@
   1.122  	}
   1.123  }
   1.124  
   1.125 -void set_tile(int x, int y, int tile_idx, int palidx)
   1.126 +void set_tile(int nametab_idx, int x, int y, int tile_idx, int palidx)
   1.127  {
   1.128  	uint16_t tile_ent, addr;
   1.129  
   1.130  	tile_ent = vdp_nametab_entry(tile_idx, palidx, VDP_TILE_LOW_PRIO);
   1.131  
   1.132 -	addr = vdp_nametab_addr(6) + (y * 64 + x) * 2;
   1.133 +	addr = vdp_nametab_addr(nametab_idx) + (y * 64 + x) * 2;
   1.134  	vdp_setup_access(addr, VDP_MEM_WRITE, VDP_MEM_VRAM);
   1.135  	VDP_PORT_DATA = tile_ent;
   1.136  }
   1.137 +
   1.138 +void vblank_handler(void)
   1.139 +{
   1.140 +	int idx = CYCLE_BEG;
   1.141 +	uint16_t first = pal[idx];
   1.142 +
   1.143 +	vdp_begin_palette(0, idx);
   1.144 +	while(idx < CYCLE_END) {
   1.145 +		pal[idx] = pal[idx + 1];
   1.146 +		VDP_PORT_DATA = pal[idx];
   1.147 +		++idx;
   1.148 +	}
   1.149 +	pal[idx] = first;
   1.150 +	VDP_PORT_DATA = pal[idx];
   1.151 +}