#include <string.h>
#include "game.h"
-#include "data_test.h"
#include "gfx.h"
+#include "copper.h"
+#include "data.h"
-#define TILE_W 32
-#define TILE_H 16
+#include "hwregs.h" /* XXX */
+
+#define TILE_W 64
+#define TILE_H 32
void draw_tile(int tid, int x, int y, int light);
-void convert_tile_data(unsigned char *dest, const char *src);
-static unsigned char test_tiles[2][TILE_W * TILE_H / 8 * NBPL];
+static uint16_t *sprdata[NUM_HWSPRITES];
+static uint16_t nullspr[] = {
+ 0x2000, 0x2100,
+ 0x0000, 0x0000,
+ 0x0000, 0x0000
+};
+
+#define SPR_POS(x, y) \
+ (((uint16_t)((x) + 0x40) & 0xff) | ((uint16_t)((y) + 0x2c) << 8))
+
int game_init(void)
{
- int i;
+ int i, sprpos[] = {136, 76};
+ uint32_t nullspr_addr = (intptr_t)nullspr;
+
+ REG_COLOR0 = 0x221;
+ REG_COLOR1 = 0x222;
+ REG_COLOR2 = 0x332;
+ REG_COLOR3 = 0x433;
+ REG_COLOR4 = 0x543;
+ REG_COLOR5 = 0x554;
+ REG_COLOR6 = 0x654;
+ REG_COLOR7 = 0x765;
+
+ for(i=0; i<16; i++) {
+ REG_COLOR_PTR[i + 16] = sprpal[i];
+ }
- for(i=0; i<2; i++) {
- convert_tile_data(test_tiles[i], test_tiles_cpix[i][0]);
+ sprdata[0] = spr0a;
+ sprdata[1] = spr0b;
+ sprdata[2] = spr1a;
+ sprdata[3] = spr1b;
+ sprdata[4] = spr2a;
+ sprdata[5] = spr2b;
+
+ for(i=0; i<8; i++) {
+ int reg = REGN_SPR0PTH + i * 4;
+ if(i < NUM_HWSPRITES) {
+ uint16_t sx, sy, vstop;
+ /* initialize active sprites, and set the sprite pointers */
+ uint32_t addr = (intptr_t)sprdata[i];
+ add_copper(COPPER_MOVE(reg, addr >> 16));
+ add_copper(COPPER_MOVE(reg + 2, addr));
+
+ sx = 0x80 + sprpos[0] + (i >> 1) * 16;
+ sy = 0x2c + sprpos[1];
+ vstop = sy + SPRITE_HEIGHT;
+
+ sprdata[i][0] = (sx >> 1) | (sy << 8);
+ sprdata[i][1] = (vstop << 8) | ((vstop >> 7) & 2) |
+ (sx & 1) | ((i & 1) ? 0x80 : 0);
+ } else {
+ /* point the sprite pointers to the null sprite for the rest */
+ add_copper(COPPER_MOVE(reg, nullspr_addr >> 16));
+ add_copper(COPPER_MOVE(reg + 2, nullspr_addr));
+ }
}
- return 0;
-}
-void game_draw(void)
-{
- draw_tile(0, 32, 16, 0);
+ *copperlist_end = COPPER_END;
+
+ return 0;
}
+#define XTILES 5
+#define YTILES 13
-void draw_tile(int tid, int x, int y, int light)
+void game_draw(void)
{
- int i;
+ int i, j, xoffs, yoffs, ntiles;
- unsigned char *dest = bplptr[0] + (y * SCANSZ * NBPL) + x / 8;
- unsigned char *src = test_tiles[tid];
+ /* reset sprite data */
- for(i=0; i<TILE_H * NBPL; i++) {
- memcpy(dest, src, TILE_W / 8);
- dest += SCANSZ;
- src += TILE_W / 8;
+ yoffs = 0;
+ for(i=0; i<YTILES; i++) {
+ xoffs = i & 1 ? TILE_W / 2 : 0;
+ ntiles = i & 1 ? XTILES - 1 : XTILES;
+ for(j=0; j<ntiles; j++) {
+ draw_tile(0, xoffs, yoffs, 0);
+ xoffs += TILE_W;
+ }
+ yoffs += TILE_H / 2;
}
}
-static inline int charpix_color(char c)
-{
- switch(c) {
- case '#':
- return 1;
- case 'x':
- return 2;
- case '@':
- return 3;
- case 'o':
- return 4;
- default:
- case '.':
- break;
- }
- return 0;
-}
-#define TILE_SCANSZ (TILE_W / 8)
-void convert_tile_data(unsigned char *dest, const char *src)
+void draw_tile(int tid, int x, int y, int light)
{
- int i, j, k;
- unsigned char *bptr[NBPL];
-
- for(i=0; i<NBPL; i++) {
- bptr[i] = dest + TILE_SCANSZ * i;
- }
-
- for(i=0; i<TILE_H; i++) {
- for(j=0; j<TILE_W; j++) {
- int col = charpix_color(*src++);
-
- for(k=0; k<NBPL; k++) {
- *bptr[k] = (*bptr[k] << 1) | (col & 1);
- col >>= 1;
-
- if((j & 7) == 7) {
- bptr[k]++;
- }
- }
- }
-
- for(j=0; j<NBPL; j++) {
- bptr[j] += TILE_SCANSZ * (NBPL - 1);
- }
- }
+ unsigned char *dest = bplptr[0] + (y * SCANSZ * NBPL) + x / 8;
+ unsigned char *src = test_tile;
+
+ wait_blit();
+
+ REG32_BLTCON = BLTCON_USEA | BLTCON_USEB | BLTCON_USEC | BLTCON_USED |
+ BLTCON_LF(0xca);
+ REG32_BLTAFLWM = 0xffffffff;
+ REG_BLTAMOD = 0;
+ REG_BLTBMOD = 0;
+ REG_BLTCMOD = SCANSZ - TILE_W / 8;
+ REG_BLTDMOD = SCANSZ - TILE_W / 8;
+ REG32_BLTAPT = (intptr_t)test_tile_mask;
+ REG32_BLTBPT = (intptr_t)src;
+ REG32_BLTCPT = (intptr_t)dest;
+ REG32_BLTDPT = (intptr_t)dest;
+ REG_BLTSIZE = BLTSIZE(TILE_W, TILE_H * NBPL);
}
projects / retrocrawl / blobdiff