#define MW_VERBOSE 0 /* * video/mystwarr.c - Konami "Pre-GX" video hardware (here there be dragons) * */ #include "emu.h" #include "video/konamiic.h" #include "includes/konamigx.h" #include "includes/mystwarr.h" // create a decoding buffer to hold decodable tiles so that the ROM test will pass by // reading the original raw data static void mystwarr_decode_tiles(running_machine &machine) { UINT8 *s = machine.region("gfx1")->base(); int len = machine.region("gfx1")->bytes(); UINT8 *pFinish = s+len-3; UINT8 *d, *decoded; int gfxnum; for (gfxnum = 0; gfxnum < ARRAY_LENGTH(machine.gfx); gfxnum++) if (machine.gfx[gfxnum] != NULL && machine.gfx[gfxnum]->srcdata == s) break; assert(gfxnum != ARRAY_LENGTH(machine.gfx)); decoded = auto_alloc_array(machine, UINT8, len); d = decoded; // now convert the data into a drawable format so we can decode it while (s < pFinish) { /* convert the whole mess to 5bpp planar in System GX's format (p3 p1 p2 p0 p5) (the original ROMs are stored as chunky for the first 4 bits and the 5th bit is planar, which is undecodable as-is) */ int d0 = ((s[0]&0x80) )|((s[0]&0x08)<<3)|((s[1]&0x80)>>2)|((s[1]&0x08)<<1)| ((s[2]&0x80)>>4)|((s[2]&0x08)>>1)|((s[3]&0x80)>>6)|((s[3]&0x08)>>3); int d1 = ((s[0]&0x40)<<1)|((s[0]&0x04)<<4)|((s[1]&0x40)>>1)|((s[1]&0x04)<<2)| ((s[2]&0x40)>>3)|((s[2]&0x04) )|((s[3]&0x40)>>5)|((s[3]&0x04)>>2); int d2 = ((s[0]&0x20)<<2)|((s[0]&0x02)<<5)|((s[1]&0x20) )|((s[1]&0x02)<<3)| ((s[2]&0x20)>>2)|((s[2]&0x02)<<1)|((s[3]&0x20)>>4)|((s[3]&0x02)>>1); int d3 = ((s[0]&0x10)<<3)|((s[0]&0x01)<<6)|((s[1]&0x10)<<1)|((s[1]&0x01)<<4)| ((s[2]&0x10)>>1)|((s[2]&0x01)<<2)|((s[3]&0x10)>>3)|((s[3]&0x01) ); d[0] = d3; d[1] = d1; d[2] = d2; d[3] = d0; d[4] = s[4]; s += 5; d += 5; } gfx_element_set_source(machine.gfx[gfxnum], decoded); } // Mystic Warriors requires tile based blending. static void mystwarr_tile_callback(running_machine &machine, int layer, int *code, int *color, int *flags) { mystwarr_state *state = machine.driver_data(); if (layer==1) {if ((*code&0xff00)+(*color)==0x4101) state->m_cbparam++; else state->m_cbparam--;} //* water hack (TEMPORARY) *color = state->m_layer_colorbase[layer] | (*color>>1 & 0x1f); } // for games with 5bpp tile data static void game5bpp_tile_callback(running_machine &machine, int layer, int *code, int *color, int *flags) { mystwarr_state *state = machine.driver_data(); *color = state->m_layer_colorbase[layer] | (*color>>1 & 0x1f); } // for games with 4bpp tile data static void game4bpp_tile_callback(running_machine &machine, int layer, int *code, int *color, int *flags) { mystwarr_state *state = machine.driver_data(); *color = state->m_layer_colorbase[layer] | (*color>>2 & 0x0f); } static void mystwarr_sprite_callback(running_machine &machine, int *code, int *color, int *priority) { mystwarr_state *state = machine.driver_data(); int c = *color; *color = state->m_sprite_colorbase | (c & 0x001f); *priority = c & 0x00f0; } static void metamrph_sprite_callback(running_machine &machine, int *code, int *color, int *priority) { mystwarr_state *state = machine.driver_data(); int c = *color; int attr = c; c = (c & 0x1f) | state->m_sprite_colorbase; // Bit8 & 9 are effect attributes. It is not known whether the effects are generated by external logic. if ((attr & 0x300) != 0x300) { *color = c; *priority = (attr & 0xe0) >> 2; } else { *color = c | 3<(); int c = *color; *color = state->m_sprite_colorbase | (c>>4 & 0x20) | (c & 0x001f); *priority = c & 0x00e0; } static void martchmp_sprite_callback(running_machine &machine, int *code, int *color, int *priority) { mystwarr_state *state = machine.driver_data(); int c = *color; // Bit8 & 9 are effect attributes. It is not known whether the effects are generated by external logic. if ((c & 0x3ff) == 0x11f) *color = K055555_FULLSHADOW; else *color = state->m_sprite_colorbase | (c & 0x1f); if (state->m_oinprion & 0xf0) *priority = state->m_cbparam; // use PCU2 internal priority else *priority = c & 0xf0; // use color implied priority } static TILE_GET_INFO( get_gai_936_tile_info ) { mystwarr_state *state = machine.driver_data(); int tileno, colour; UINT8 *ROM = machine.region("gfx4")->base(); UINT8 *dat1 = ROM, *dat2 = ROM + 0x20000, *dat3 = ROM + 0x60000; tileno = dat3[tile_index] | ((dat2[tile_index]&0x3f)<<8); if (tile_index & 1) colour = (dat1[tile_index>>1]&0xf); else colour = ((dat1[tile_index>>1]>>4)&0xf); if (dat2[tile_index] & 0x80) colour |= 0x10; colour |= state->m_sub1_colorbase << 4; SET_TILE_INFO(0, tileno, colour, 0); } VIDEO_START(gaiapols) { mystwarr_state *state = machine.driver_data(); K055555_vh_start(machine); K054338_vh_start(machine); state->m_gametype = 0; K056832_vh_start(machine, "gfx1", K056832_BPP_5, 0, NULL, game4bpp_tile_callback, 0); mystwarr_decode_tiles(machine); K055673_vh_start(machine, "gfx2", 1, -61, -22, gaiapols_sprite_callback); // stage2 brick walls konamigx_mixer_init(machine, 0); K056832_set_LayerOffset(0, -2+2-1, 0-1); K056832_set_LayerOffset(1, 0+2, 0); K056832_set_LayerOffset(2, 2+2, 0); K056832_set_LayerOffset(3, 3+2, 0); K053936_wraparound_enable(0, 1); K053936GP_set_offset(0, -10, 0); // floor tiles in demo loop2 (Elaine vs. boss) state->m_ult_936_tilemap = tilemap_create(machine, get_gai_936_tile_info, tilemap_scan_rows, 16, 16, 512, 512); tilemap_set_transparent_pen(state->m_ult_936_tilemap, 0); } static TILE_GET_INFO( get_ult_936_tile_info ) { mystwarr_state *state = machine.driver_data(); int tileno, colour; UINT8 *ROM = machine.region("gfx4")->base(); UINT8 *dat1 = ROM, *dat2 = ROM + 0x40000; tileno = dat2[tile_index] | ((dat1[tile_index]&0x1f)<<8); colour = state->m_sub1_colorbase; SET_TILE_INFO(0, tileno, colour, (dat1[tile_index]&0x40) ? TILE_FLIPX : 0); } VIDEO_START(dadandrn) { mystwarr_state *state = machine.driver_data(); K055555_vh_start(machine); K054338_vh_start(machine); state->m_gametype = 1; K056832_vh_start(machine, "gfx1", K056832_BPP_5, 0, NULL, game5bpp_tile_callback, 0); mystwarr_decode_tiles(machine); K055673_vh_start(machine, "gfx2", 0, -42, -22, gaiapols_sprite_callback); konamigx_mixer_init(machine, 0); konamigx_mixer_primode(1); K056832_set_LayerOffset(0, -2+4, 0); K056832_set_LayerOffset(1, 0+4, 0); K056832_set_LayerOffset(2, 2+4, 0); K056832_set_LayerOffset(3, 3+4, 0); K053936_wraparound_enable(0, 1); K053936GP_set_offset(0, -8, 0); // Brainy's laser state->m_ult_936_tilemap = tilemap_create(machine, get_ult_936_tile_info, tilemap_scan_rows, 16, 16, 512, 512); tilemap_set_transparent_pen(state->m_ult_936_tilemap, 0); } VIDEO_START(mystwarr) { mystwarr_state *state = machine.driver_data(); K055555_vh_start(machine); K054338_vh_start(machine); state->m_gametype = 0; K056832_vh_start(machine, "gfx1", K056832_BPP_5, 0, NULL, mystwarr_tile_callback, 0); mystwarr_decode_tiles(machine); K055673_vh_start(machine, "gfx2", 0, -48, -24, mystwarr_sprite_callback); konamigx_mixer_init(machine, 0); K056832_set_LayerOffset(0, -2-3, 0); K056832_set_LayerOffset(1, 0-3, 0); K056832_set_LayerOffset(2, 2-3, 0); K056832_set_LayerOffset(3, 3-3, 0); state->m_cbparam = 0; } VIDEO_START(metamrph) { mystwarr_state *state = machine.driver_data(); state->m_gametype = 0; K055555_vh_start(machine); K054338_vh_start(machine); K056832_vh_start(machine, "gfx1", K056832_BPP_5, 0, NULL, game4bpp_tile_callback, 0); mystwarr_decode_tiles(machine); K055673_vh_start(machine, "gfx2", 1, -51, -22, metamrph_sprite_callback); konamigx_mixer_init(machine, 0); // other reference, floor at first boss K056832_set_LayerOffset(0, -2+4, 0); // text K056832_set_LayerOffset(1, 0+4, 0); // attract sea K056832_set_LayerOffset(2, 2+4, 0); // attract red monster in background of sea K056832_set_LayerOffset(3, 3+4, 0); // attract sky background to sea } VIDEO_START(viostorm) { mystwarr_state *state = machine.driver_data(); state->m_gametype = 0; K055555_vh_start(machine); K054338_vh_start(machine); K056832_vh_start(machine, "gfx1", K056832_BPP_5, 0, NULL, game4bpp_tile_callback, 0); mystwarr_decode_tiles(machine); K055673_vh_start(machine, "gfx2", 1, -62, -23, metamrph_sprite_callback); konamigx_mixer_init(machine, 0); K056832_set_LayerOffset(0, -2+1, 0); K056832_set_LayerOffset(1, 0+1, 0); K056832_set_LayerOffset(2, 2+1, 0); K056832_set_LayerOffset(3, 3+1, 0); } VIDEO_START(martchmp) { mystwarr_state *state = machine.driver_data(); state->m_gametype = 0; K055555_vh_start(machine); K054338_vh_start(machine); K056832_vh_start(machine, "gfx1", K056832_BPP_5, 0, NULL, game5bpp_tile_callback, 0); mystwarr_decode_tiles(machine); K055673_vh_start(machine, "gfx2", 0, -58, -23, martchmp_sprite_callback); konamigx_mixer_init(machine, 0); K056832_set_LayerOffset(0, -2-4, 0); K056832_set_LayerOffset(1, 0-4, 0); K056832_set_LayerOffset(2, 2-4, 0); K056832_set_LayerOffset(3, 3-4, 0); K054338_invert_alpha(0); } SCREEN_UPDATE(mystwarr) { mystwarr_state *state = screen->machine().driver_data(); int i, old, blendmode=0; if (state->m_cbparam<0) state->m_cbparam=0; else if (state->m_cbparam>=32) blendmode=(1<<16|GXMIX_BLEND_FORCE)<<2; //* water hack (TEMPORARY) for (i = 0; i < 4; i++) { old = state->m_layer_colorbase[i]; state->m_layer_colorbase[i] = K055555_get_palette_index(i)<<4; if( old != state->m_layer_colorbase[i] ) K056832_mark_plane_dirty(i); } state->m_sprite_colorbase = K055555_get_palette_index(4)<<5; konamigx_mixer(screen->machine(), bitmap, cliprect, 0, 0, 0, 0, blendmode, 0, 0); return 0; } SCREEN_UPDATE(metamrph) { mystwarr_state *state = screen->machine().driver_data(); int i, old; for (i = 0; i < 4; i++) { old = state->m_layer_colorbase[i]; state->m_layer_colorbase[i] = K055555_get_palette_index(i)<<4; if (old != state->m_layer_colorbase[i]) K056832_mark_plane_dirty(i); } state->m_sprite_colorbase = K055555_get_palette_index(4)<<4; konamigx_mixer(screen->machine(), bitmap, cliprect, 0, GXSUB_K053250 | GXSUB_4BPP, 0, 0, 0, 0, 0); return 0; } SCREEN_UPDATE(martchmp) { mystwarr_state *state = screen->machine().driver_data(); int i, old, blendmode; for (i = 0; i < 4; i++) { old = state->m_layer_colorbase[i]; state->m_layer_colorbase[i] = K055555_get_palette_index(i)<<4; if (old != state->m_layer_colorbase[i]) K056832_mark_plane_dirty(i); } state->m_sprite_colorbase = K055555_get_palette_index(4)<<5; state->m_cbparam = K055555_read_register(K55_PRIINP_8); state->m_oinprion = K055555_read_register(K55_OINPRI_ON); // not quite right blendmode = (state->m_oinprion==0xef && K054338_read_register(K338_REG_PBLEND)) ? ((1<<16|GXMIX_BLEND_FORCE)<<2) : 0; konamigx_mixer(screen->machine(), bitmap, cliprect, 0, 0, 0, 0, blendmode, 0, 0); return 0; } WRITE16_HANDLER(ddd_053936_enable_w) { mystwarr_state *state = space->machine().driver_data(); if (ACCESSING_BITS_8_15) { state->m_roz_enable = data & 0x0100; state->m_roz_rombank = (data & 0xc000)>>14; } } WRITE16_HANDLER(ddd_053936_clip_w) { mystwarr_state *state = space->machine().driver_data(); int old, clip_x, clip_y, size_x, size_y; int minx, maxx, miny, maxy; if (offset == 1) { if (ACCESSING_BITS_8_15) K053936GP_clip_enable(0, data & 0x0100); } else { old = state->m_clip; COMBINE_DATA(&state->m_clip); if (state->m_clip != old) { clip_x = (state->m_clip & 0x003f) >> 0; clip_y = (state->m_clip & 0x0fc0) >> 6; size_x = (state->m_clip & 0x3000) >> 12; size_y = (state->m_clip & 0xc000) >> 14; switch (size_x) { case 0x3: size_x = 1; break; case 0x2: size_x = 2; break; default: size_x = 4; break; } switch (size_y) { case 0x3: size_y = 1; break; case 0x2: size_y = 2; break; default: size_y = 4; break; } minx = clip_x << 7; maxx = ((clip_x + size_x) << 7) - 1; miny = clip_y << 7; maxy = ((clip_y + size_y) << 7) - 1; K053936GP_set_cliprect(0, minx, maxx, miny, maxy); } } } // reference: 223e5c in gaiapolis (ROMs 34j and 36m) READ16_HANDLER(gai_053936_tilerom_0_r) { UINT8 *ROM1 = (UINT8 *)space->machine().region("gfx4")->base(); UINT8 *ROM2 = (UINT8 *)space->machine().region("gfx4")->base(); ROM1 += 0x20000; ROM2 += 0x20000+0x40000; return ((ROM1[offset]<<8) | ROM2[offset]); } READ16_HANDLER(ddd_053936_tilerom_0_r) { UINT8 *ROM1 = (UINT8 *)space->machine().region("gfx4")->base(); UINT8 *ROM2 = (UINT8 *)space->machine().region("gfx4")->base(); ROM2 += 0x40000; return ((ROM1[offset]<<8) | ROM2[offset]); } // reference: 223e1a in gaiapolis (ROM 36j) READ16_HANDLER(ddd_053936_tilerom_1_r) { UINT8 *ROM = (UINT8 *)space->machine().region("gfx4")->base(); return ROM[offset/2]; } // reference: 223db0 in gaiapolis (ROMs 32n, 29n, 26n) READ16_HANDLER(gai_053936_tilerom_2_r) { mystwarr_state *state = space->machine().driver_data(); UINT8 *ROM = (UINT8 *)space->machine().region("gfx3")->base(); offset += (state->m_roz_rombank * 0x100000); return ROM[offset/2]<<8; } READ16_HANDLER(ddd_053936_tilerom_2_r) { mystwarr_state *state = space->machine().driver_data(); UINT8 *ROM = (UINT8 *)space->machine().region("gfx3")->base(); offset += (state->m_roz_rombank * 0x100000); return ROM[offset]<<8; } SCREEN_UPDATE(dadandrn) /* and gaiapols */ { mystwarr_state *state = screen->machine().driver_data(); int i, newbase, dirty, rozmode; if (state->m_gametype == 0) { state->m_sprite_colorbase = (K055555_get_palette_index(4)<<4)&0x7f; rozmode = GXSUB_4BPP; } else { state->m_sprite_colorbase = (K055555_get_palette_index(4)<<3)&0x7f; rozmode = GXSUB_8BPP; } if (K056832_get_LayerAssociation()) { for (i=0; i<4; i++) { newbase = K055555_get_palette_index(i)<<4; if (state->m_layer_colorbase[i] != newbase) { state->m_layer_colorbase[i] = newbase; K056832_mark_plane_dirty(i); } } } else { for (dirty=0, i=0; i<4; i++) { newbase = K055555_get_palette_index(i)<<4; if (state->m_layer_colorbase[i] != newbase) { state->m_layer_colorbase[i] = newbase; dirty = 1; } } if (dirty) K056832_MarkAllTilemapsDirty(); } state->m_last_psac_colorbase = state->m_sub1_colorbase; state->m_sub1_colorbase = K055555_get_palette_index(5); if (state->m_last_psac_colorbase != state->m_sub1_colorbase) { tilemap_mark_all_tiles_dirty(state->m_ult_936_tilemap); if (MW_VERBOSE) popmessage("K053936: PSAC colorbase changed"); } konamigx_mixer(screen->machine(), bitmap, cliprect, (state->m_roz_enable) ? state->m_ult_936_tilemap : 0, rozmode, 0, 0, 0, 0, 0); return 0; }