#include "driver.h" UINT16 *aerofgt_rasterram; UINT16 *aerofgt_bg1videoram,*aerofgt_bg2videoram; UINT16 *aerofgt_spriteram1,*aerofgt_spriteram2,*aerofgt_spriteram3; UINT16 *wbbc97_bitmapram; size_t aerofgt_spriteram1_size,aerofgt_spriteram2_size,aerofgt_spriteram3_size; static UINT8 gfxbank[8]; static UINT16 bg1scrollx,bg1scrolly,bg2scrollx,bg2scrolly,wbbc97_bitmap_enable; static int charpalettebank,spritepalettebank; static tilemap *bg1_tilemap,*bg2_tilemap; static int sprite_gfx; /*************************************************************************** Callbacks for the TileMap code ***************************************************************************/ static TILE_GET_INFO( get_pspikes_tile_info ) { UINT16 code = aerofgt_bg1videoram[tile_index]; int bank = (code & 0x1000) >> 12; SET_TILE_INFO( 0, (code & 0x0fff) + (gfxbank[bank] << 12), ((code & 0xe000) >> 13) + 8 * charpalettebank, 0); } static TILE_GET_INFO( karatblz_bg1_tile_info ) { UINT16 code = aerofgt_bg1videoram[tile_index]; SET_TILE_INFO( 0, (code & 0x1fff) + (gfxbank[0] << 13), (code & 0xe000) >> 13, 0); } /* also spinlbrk */ static TILE_GET_INFO( karatblz_bg2_tile_info ) { UINT16 code = aerofgt_bg2videoram[tile_index]; SET_TILE_INFO( 1, (code & 0x1fff) + (gfxbank[1] << 13), (code & 0xe000) >> 13, 0); } static TILE_GET_INFO( spinlbrk_bg1_tile_info ) { UINT16 code = aerofgt_bg1videoram[tile_index]; SET_TILE_INFO( 0, (code & 0x0fff) + (gfxbank[0] << 12), (code & 0xf000) >> 12, 0); } static TILE_GET_INFO( get_bg1_tile_info ) { UINT16 code = aerofgt_bg1videoram[tile_index]; int bank = (code & 0x1800) >> 11; SET_TILE_INFO( 0, (code & 0x07ff) + (gfxbank[bank] << 11), (code & 0xe000) >> 13, 0); } static TILE_GET_INFO( get_bg2_tile_info ) { UINT16 code = aerofgt_bg2videoram[tile_index]; int bank = 4 + ((code & 0x1800) >> 11); SET_TILE_INFO( 1, (code & 0x07ff) + (gfxbank[bank] << 11), (code & 0xe000) >> 13, 0); } /*************************************************************************** Start the video hardware emulation. ***************************************************************************/ VIDEO_START( pspikes ) { bg1_tilemap = tilemap_create(get_pspikes_tile_info,tilemap_scan_rows,8,8,64,32); /* no bg2 in this game */ sprite_gfx = 1; } VIDEO_START( karatblz ) { bg1_tilemap = tilemap_create(karatblz_bg1_tile_info,tilemap_scan_rows, 8,8,64,64); bg2_tilemap = tilemap_create(karatblz_bg2_tile_info,tilemap_scan_rows,8,8,64,64); tilemap_set_transparent_pen(bg2_tilemap,15); spritepalettebank = 0; sprite_gfx = 2; } VIDEO_START( spinlbrk ) { int i; bg1_tilemap = tilemap_create(spinlbrk_bg1_tile_info,tilemap_scan_rows, 8,8,64,64); bg2_tilemap = tilemap_create(karatblz_bg2_tile_info,tilemap_scan_rows,8,8,64,64); tilemap_set_transparent_pen(bg2_tilemap,15); spritepalettebank = 0; sprite_gfx = 2; /* sprite maps are hardcoded in this game */ /* enemy sprites use ROM instead of RAM */ aerofgt_spriteram2 = (UINT16 *)memory_region(REGION_GFX5); aerofgt_spriteram2_size = 0x20000; /* front sprites are direct maps */ aerofgt_spriteram1 = aerofgt_spriteram2 + aerofgt_spriteram2_size/2; aerofgt_spriteram1_size = 0x4000; for (i = 0;i < aerofgt_spriteram1_size/2;i++) aerofgt_spriteram1[i] = i; } VIDEO_START( turbofrc ) { bg1_tilemap = tilemap_create(get_bg1_tile_info,tilemap_scan_rows, 8,8,64,64); bg2_tilemap = tilemap_create(get_bg2_tile_info,tilemap_scan_rows,8,8,64,64); tilemap_set_transparent_pen(bg2_tilemap,15); spritepalettebank = 0; sprite_gfx = 2; } VIDEO_START( wbbc97 ) { bg1_tilemap = tilemap_create(get_pspikes_tile_info,tilemap_scan_rows,8,8,64,32); /* no bg2 in this game */ tilemap_set_transparent_pen(bg1_tilemap,15); sprite_gfx = 1; } /*************************************************************************** Memory handlers ***************************************************************************/ WRITE16_HANDLER( aerofgt_bg1videoram_w ) { COMBINE_DATA(&aerofgt_bg1videoram[offset]); tilemap_mark_tile_dirty(bg1_tilemap,offset); } WRITE16_HANDLER( aerofgt_bg2videoram_w ) { COMBINE_DATA(&aerofgt_bg2videoram[offset]); tilemap_mark_tile_dirty(bg2_tilemap,offset); } static void setbank(tilemap *tmap,int num,int bank) { if (gfxbank[num] != bank) { gfxbank[num] = bank; tilemap_mark_all_tiles_dirty(tmap); } } WRITE16_HANDLER( pspikes_gfxbank_w ) { if (ACCESSING_BITS_0_7) { setbank(bg1_tilemap,0,(data & 0xf0) >> 4); setbank(bg1_tilemap,1,data & 0x0f); } } WRITE16_HANDLER( pspikesb_gfxbank_w ) { COMBINE_DATA(&aerofgt_rasterram[0x200/2]); setbank(bg1_tilemap,0,(data & 0xf000) >> 12); setbank(bg1_tilemap,1,(data & 0x0f00) >> 8); } WRITE16_HANDLER( karatblz_gfxbank_w ) { if (ACCESSING_BITS_8_15) { setbank(bg1_tilemap,0,(data & 0x0100) >> 8); setbank(bg2_tilemap,1,(data & 0x0800) >> 11); } } WRITE16_HANDLER( spinlbrk_gfxbank_w ) { if (ACCESSING_BITS_0_7) { setbank(bg1_tilemap,0,(data & 0x07)); setbank(bg2_tilemap,1,(data & 0x38) >> 3); } } WRITE16_HANDLER( turbofrc_gfxbank_w ) { static UINT16 bank[2]; tilemap *tmap = (offset == 0) ? bg1_tilemap : bg2_tilemap; data = COMBINE_DATA(&bank[offset]); setbank(tmap,4*offset + 0,(data >> 0) & 0x0f); setbank(tmap,4*offset + 1,(data >> 4) & 0x0f); setbank(tmap,4*offset + 2,(data >> 8) & 0x0f); setbank(tmap,4*offset + 3,(data >> 12) & 0x0f); } WRITE16_HANDLER( aerofgt_gfxbank_w ) { static UINT16 bank[4]; tilemap *tmap = (offset < 2) ? bg1_tilemap : bg2_tilemap; data = COMBINE_DATA(&bank[offset]); setbank(tmap,2*offset + 0,(data >> 8) & 0xff); setbank(tmap,2*offset + 1,(data >> 0) & 0xff); } WRITE16_HANDLER( aerofgt_bg1scrollx_w ) { COMBINE_DATA(&bg1scrollx); } WRITE16_HANDLER( aerofgt_bg1scrolly_w ) { COMBINE_DATA(&bg1scrolly); } WRITE16_HANDLER( aerofgt_bg2scrollx_w ) { COMBINE_DATA(&bg2scrollx); } WRITE16_HANDLER( aerofgt_bg2scrolly_w ) { COMBINE_DATA(&bg2scrolly); } WRITE16_HANDLER( pspikes_palette_bank_w ) { if (ACCESSING_BITS_0_7) { spritepalettebank = data & 0x03; if (charpalettebank != (data & 0x1c) >> 2) { charpalettebank = (data & 0x1c) >> 2; tilemap_mark_all_tiles_dirty(bg1_tilemap); } } } WRITE16_HANDLER( wbbc97_bitmap_enable_w ) { COMBINE_DATA(&wbbc97_bitmap_enable); } /*************************************************************************** Display refresh ***************************************************************************/ static void aerofgt_draw_sprites(running_machine *machine, bitmap_t *bitmap,const rectangle *cliprect,int priority) { int offs; priority <<= 12; offs = 0; while (offs < 0x0400 && (aerofgt_spriteram3[offs] & 0x8000) == 0) { int attr_start; attr_start = 4 * (aerofgt_spriteram3[offs] & 0x03ff); /* is the way I handle priority correct? Or should I just check bit 13? */ if ((aerofgt_spriteram3[attr_start + 2] & 0x3000) == priority) { int map_start; int ox,oy,x,y,xsize,ysize,zoomx,zoomy,flipx,flipy,color; ox = aerofgt_spriteram3[attr_start + 1] & 0x01ff; xsize = (aerofgt_spriteram3[attr_start + 1] & 0x0e00) >> 9; zoomx = (aerofgt_spriteram3[attr_start + 1] & 0xf000) >> 12; oy = aerofgt_spriteram3[attr_start + 0] & 0x01ff; ysize = (aerofgt_spriteram3[attr_start + 0] & 0x0e00) >> 9; zoomy = (aerofgt_spriteram3[attr_start + 0] & 0xf000) >> 12; flipx = aerofgt_spriteram3[attr_start + 2] & 0x4000; flipy = aerofgt_spriteram3[attr_start + 2] & 0x8000; color = (aerofgt_spriteram3[attr_start + 2] & 0x0f00) >> 8; map_start = aerofgt_spriteram3[attr_start + 3] & 0x3fff; ox += (xsize*zoomx+2)/4; oy += (ysize*zoomy+2)/4; zoomx = 32 - zoomx; zoomy = 32 - zoomy; for (y = 0;y <= ysize;y++) { int sx,sy; if (flipy) sy = ((oy + zoomy * (ysize - y)/2 + 16) & 0x1ff) - 16; else sy = ((oy + zoomy * y / 2 + 16) & 0x1ff) - 16; for (x = 0;x <= xsize;x++) { int code; if (flipx) sx = ((ox + zoomx * (xsize - x) / 2 + 16) & 0x1ff) - 16; else sx = ((ox + zoomx * x / 2 + 16) & 0x1ff) - 16; if (map_start < 0x2000) code = aerofgt_spriteram1[map_start & 0x1fff] & 0x1fff; else code = aerofgt_spriteram2[map_start & 0x1fff] & 0x1fff; drawgfxzoom(bitmap,machine->gfx[sprite_gfx + (map_start >= 0x2000 ? 1 : 0)], code, color, flipx,flipy, sx,sy, cliprect,TRANSPARENCY_PEN,15, zoomx << 11, zoomy << 11); map_start++; } } } offs++; } } static void turbofrc_draw_sprites(running_machine *machine, bitmap_t *bitmap,const rectangle *cliprect,int chip,int chip_disabled_pri) { int attr_start,base,first; base = chip * 0x0200; first = 4 * aerofgt_spriteram3[0x1fe + base]; for (attr_start = base + 0x0200-8;attr_start >= first + base;attr_start -= 4) { int map_start; int ox,oy,x,y,xsize,ysize,zoomx,zoomy,flipx,flipy,color,pri; // some other drivers still use this wrong table, they have to be upgraded // int zoomtable[16] = { 0,7,14,20,25,30,34,38,42,46,49,52,54,57,59,61 }; if (!(aerofgt_spriteram3[attr_start + 2] & 0x0080)) continue; pri = aerofgt_spriteram3[attr_start + 2] & 0x0010; if ( chip_disabled_pri & !pri) continue; if (!chip_disabled_pri & (pri>>4)) continue; ox = aerofgt_spriteram3[attr_start + 1] & 0x01ff; xsize = (aerofgt_spriteram3[attr_start + 2] & 0x0700) >> 8; zoomx = (aerofgt_spriteram3[attr_start + 1] & 0xf000) >> 12; oy = aerofgt_spriteram3[attr_start + 0] & 0x01ff; ysize = (aerofgt_spriteram3[attr_start + 2] & 0x7000) >> 12; zoomy = (aerofgt_spriteram3[attr_start + 0] & 0xf000) >> 12; flipx = aerofgt_spriteram3[attr_start + 2] & 0x0800; flipy = aerofgt_spriteram3[attr_start + 2] & 0x8000; color = (aerofgt_spriteram3[attr_start + 2] & 0x000f) + 16 * spritepalettebank; map_start = aerofgt_spriteram3[attr_start + 3]; // aerofgt has this adjustment, but doing it here would break turbo force title screen // ox += (xsize*zoomx+2)/4; // oy += (ysize*zoomy+2)/4; zoomx = 32 - zoomx; zoomy = 32 - zoomy; for (y = 0;y <= ysize;y++) { int sx,sy; if (flipy) sy = ((oy + zoomy * (ysize - y)/2 + 16) & 0x1ff) - 16; else sy = ((oy + zoomy * y / 2 + 16) & 0x1ff) - 16; for (x = 0;x <= xsize;x++) { int code; if (flipx) sx = ((ox + zoomx * (xsize - x) / 2 + 16) & 0x1ff) - 16; else sx = ((ox + zoomx * x / 2 + 16) & 0x1ff) - 16; if (chip == 0) code = aerofgt_spriteram1[map_start % (aerofgt_spriteram1_size/2)]; else code = aerofgt_spriteram2[map_start % (aerofgt_spriteram2_size/2)]; pdrawgfxzoom(bitmap,machine->gfx[sprite_gfx + chip], code, color, flipx,flipy, sx,sy, cliprect,TRANSPARENCY_PEN,15, zoomx << 11, zoomy << 11, pri ? 0 : 2); map_start++; } if (xsize == 2) map_start += 1; if (xsize == 4) map_start += 3; if (xsize == 5) map_start += 2; if (xsize == 6) map_start += 1; } } } static void pspikesb_draw_sprites(running_machine *machine, bitmap_t *bitmap,const rectangle *cliprect) { int i; for (i = 4;i < aerofgt_spriteram3_size/2;i += 4) { int xpos,ypos,color,flipx,flipy,code; if (aerofgt_spriteram3[i + 3 - 4] & 0x8000) break; xpos = (aerofgt_spriteram3[i + 2] & 0x1ff) - 34; ypos = 256 - (aerofgt_spriteram3[i + 3 - 4] & 0x1ff) - 33; code = aerofgt_spriteram3[i + 0] & 0x1fff; flipy = 0; flipx = aerofgt_spriteram3[i + 1] & 0x0800; color = aerofgt_spriteram3[i + 1] & 0x000f; drawgfx(bitmap,machine->gfx[sprite_gfx], code, color, flipx,flipy, xpos,ypos, cliprect,TRANSPARENCY_PEN,15); /* wrap around y */ drawgfx(bitmap,machine->gfx[sprite_gfx], code, color, flipx,flipy, xpos,ypos + 512, cliprect,TRANSPARENCY_PEN,15); } } static void spikes91_draw_sprites(running_machine *machine, bitmap_t *bitmap,const rectangle *cliprect) { int i; UINT8 *lookup; lookup = memory_region(REGION_USER1); spritepalettebank = 1; for (i = aerofgt_spriteram3_size/2 - 4 ; i >= 4 ; i -= 4) { int xpos,ypos,color,flipx,flipy,code,realcode; code = aerofgt_spriteram3[i + 0] & 0x1fff; if (!code) continue; xpos = (aerofgt_spriteram3[i + 2] & 0x01ff) - 16; ypos = 256 - (aerofgt_spriteram3[i + 1] & 0x00ff) - 26; flipy = 0; flipx = aerofgt_spriteram3[i + 3] & 0x8000; color = ((aerofgt_spriteram3[i + 3] & 0x00f0) >> 4); // look-up table // RZ notes: // in game it's necessary an or with 0x2000; // probably a bit switch the table // almost sure no line swap in the look-up table code |= 0x2000; realcode = (lookup[code] << 8) + lookup[0x10000 + code]; drawgfx(bitmap,machine->gfx[sprite_gfx], realcode, color, flipx,flipy, xpos,ypos, cliprect,TRANSPARENCY_PEN,15); /* wrap around y */ drawgfx(bitmap,machine->gfx[sprite_gfx], realcode, color, flipx,flipy, xpos,ypos + 512, cliprect,TRANSPARENCY_PEN,15); } } static void aerfboot_draw_sprites(running_machine *machine, bitmap_t *bitmap,const rectangle *cliprect) { int attr_start,last; last = ((aerofgt_rasterram[0x404/2] << 5) - 0x8000) / 2; for (attr_start = aerofgt_spriteram3_size / 2 - 4 ; attr_start >= last ; attr_start -= 4) { int code; int ox,oy,sx,sy,zoomx,zoomy,flipx,flipy,color,pri; ox = aerofgt_spriteram3[attr_start + 1] & 0x01ff; oy = aerofgt_spriteram3[attr_start + 0] & 0x01ff; flipx = aerofgt_spriteram3[attr_start + 2] & 0x0800; flipy = aerofgt_spriteram3[attr_start + 2] & 0x8000; color = aerofgt_spriteram3[attr_start + 2] & 0x000f; zoomx = (aerofgt_spriteram3[attr_start + 1] & 0xf000) >> 12; zoomy = (aerofgt_spriteram3[attr_start + 0] & 0xf000) >> 12; pri = aerofgt_spriteram3[attr_start + 2] & 0x0010; code = aerofgt_spriteram3[attr_start + 3] & 0x1fff; if (!(aerofgt_spriteram3[attr_start + 2] & 0x0040)) code |= 0x2000; zoomx = 32 + zoomx; zoomy = 32 + zoomy; sy = ((oy + 16 - 1) & 0x1ff) - 16; sx = ((ox + 16 + 3) & 0x1ff) - 16; pdrawgfxzoom(bitmap,machine->gfx[sprite_gfx + (code >= 0x1000 ? 0 : 1)], code, color, flipx,flipy, sx,sy, cliprect,TRANSPARENCY_PEN,15, zoomx << 11,zoomy << 11, pri ? 0 : 0x2); } last = ((aerofgt_rasterram[0x402/2] << 5) - 0x8000) / 2; for (attr_start = ((aerofgt_spriteram3_size / 2) / 2) - 4 ; attr_start >= last ; attr_start -= 4) { int code; int ox,oy,sx,sy,zoomx,zoomy,flipx,flipy,color,pri; ox = aerofgt_spriteram3[attr_start + 1] & 0x01ff; oy = aerofgt_spriteram3[attr_start + 0] & 0x01ff; flipx = aerofgt_spriteram3[attr_start + 2] & 0x0800; flipy = aerofgt_spriteram3[attr_start + 2] & 0x8000; color = aerofgt_spriteram3[attr_start + 2] & 0x000f; zoomx = (aerofgt_spriteram3[attr_start + 1] & 0xf000) >> 12; zoomy = (aerofgt_spriteram3[attr_start + 0] & 0xf000) >> 12; pri = aerofgt_spriteram3[attr_start + 2] & 0x0010; code = aerofgt_spriteram3[attr_start + 3] & 0x1fff; if (!(aerofgt_spriteram3[attr_start + 2] & 0x0040)) code |= 0x2000; zoomx = 32 + zoomx; zoomy = 32 + zoomy; sy = ((oy + 16 - 1) & 0x1ff) - 16; sx = ((ox + 16 + 3) & 0x1ff) - 16; pdrawgfxzoom(bitmap,machine->gfx[sprite_gfx + (code >= 0x1000 ? 0 : 1)], code, color, flipx,flipy, sx,sy, cliprect,TRANSPARENCY_PEN,15, zoomx << 11,zoomy << 11, pri ? 0 : 0x2); } } static void wbbc97_draw_bitmap(bitmap_t *bitmap) { int x,y,count; count = 16; // weird, the bitmap doesn't start at 0? for (y=0;y<256;y++) for (x=0;x<512;x++) { int color = wbbc97_bitmapram[count] >> 1; /* data is GRB; convert to RGB */ rgb_t pen = MAKE_RGB(pal5bit((color & 0x3e0) >> 5), pal5bit((color & 0x7c00) >> 10), pal5bit(color & 0x1f)); *BITMAP_ADDR32(bitmap, y, (10+x-aerofgt_rasterram[(y & 0x7f)])&0x1ff) = pen; count++; count &= 0x1ffff; } } VIDEO_UPDATE( pspikes ) { int i,scrolly; tilemap_set_scroll_rows(bg1_tilemap,256); scrolly = bg1scrolly; for (i = 0;i < 256;i++) tilemap_set_scrollx(bg1_tilemap,(i + scrolly) & 0xff,aerofgt_rasterram[i]); tilemap_set_scrolly(bg1_tilemap,0,scrolly); fillbitmap(priority_bitmap,0,cliprect); tilemap_draw(bitmap,cliprect,bg1_tilemap,0,0); turbofrc_draw_sprites(screen->machine,bitmap,cliprect,0,-1); turbofrc_draw_sprites(screen->machine,bitmap,cliprect,0, 0); return 0; } VIDEO_UPDATE( pspikesb ) { int i,scrolly; tilemap_set_scroll_rows(bg1_tilemap,256); scrolly = bg1scrolly; for (i = 0;i < 256;i++) tilemap_set_scrollx(bg1_tilemap,(i + scrolly) & 0xff,aerofgt_rasterram[i]+22); tilemap_set_scrolly(bg1_tilemap,0,scrolly); tilemap_draw(bitmap,cliprect,bg1_tilemap,0,0); pspikesb_draw_sprites(screen->machine,bitmap,cliprect); return 0; } VIDEO_UPDATE( spikes91 ) { int i,scrolly; tilemap_set_scroll_rows(bg1_tilemap,256); scrolly = bg1scrolly; for (i = 0;i < 256;i++) tilemap_set_scrollx(bg1_tilemap,(i + scrolly) & 0xff,aerofgt_rasterram[i+0x01f0/2]+0x96+0x16); tilemap_set_scrolly(bg1_tilemap,0,scrolly); tilemap_draw(bitmap,cliprect,bg1_tilemap,0,0); spikes91_draw_sprites(screen->machine,bitmap,cliprect); return 0; } VIDEO_UPDATE( karatblz ) { tilemap_set_scrollx(bg1_tilemap,0,bg1scrollx-8); tilemap_set_scrolly(bg1_tilemap,0,bg1scrolly); tilemap_set_scrollx(bg2_tilemap,0,bg2scrollx-4); tilemap_set_scrolly(bg2_tilemap,0,bg2scrolly); fillbitmap(priority_bitmap,0,cliprect); tilemap_draw(bitmap,cliprect,bg1_tilemap,0,0); tilemap_draw(bitmap,cliprect,bg2_tilemap,0,0); /* we use the priority buffer so sprites are drawn front to back */ turbofrc_draw_sprites(screen->machine,bitmap,cliprect,1,-1); turbofrc_draw_sprites(screen->machine,bitmap,cliprect,1, 0); turbofrc_draw_sprites(screen->machine,bitmap,cliprect,0,-1); turbofrc_draw_sprites(screen->machine,bitmap,cliprect,0, 0); return 0; } VIDEO_UPDATE( spinlbrk ) { int i,scrolly; tilemap_set_scroll_rows(bg1_tilemap,512); scrolly = 0; for (i = 0;i < 256;i++) tilemap_set_scrollx(bg1_tilemap,(i + scrolly) & 0x1ff,aerofgt_rasterram[i]-8); // tilemap_set_scrolly(bg1_tilemap,0,bg1scrolly); tilemap_set_scrollx(bg2_tilemap,0,bg2scrollx-4); // tilemap_set_scrolly(bg2_tilemap,0,bg2scrolly); fillbitmap(priority_bitmap,0,cliprect); tilemap_draw(bitmap,cliprect,bg1_tilemap,0,0); tilemap_draw(bitmap,cliprect,bg2_tilemap,0,0); /* we use the priority buffer so sprites are drawn front to back */ turbofrc_draw_sprites(screen->machine,bitmap,cliprect,0,-1); turbofrc_draw_sprites(screen->machine,bitmap,cliprect,0, 0); turbofrc_draw_sprites(screen->machine,bitmap,cliprect,1,-1); turbofrc_draw_sprites(screen->machine,bitmap,cliprect,1, 0); return 0; } VIDEO_UPDATE( turbofrc ) { int i,scrolly; tilemap_set_scroll_rows(bg1_tilemap,512); scrolly = bg1scrolly+2; for (i = 0;i < 256;i++) // tilemap_set_scrollx(bg1_tilemap,(i + scrolly) & 0x1ff,aerofgt_rasterram[i]-11); tilemap_set_scrollx(bg1_tilemap,(i + scrolly) & 0x1ff,aerofgt_rasterram[7]-11); tilemap_set_scrolly(bg1_tilemap,0,scrolly); tilemap_set_scrollx(bg2_tilemap,0,bg2scrollx-7); tilemap_set_scrolly(bg2_tilemap,0,bg2scrolly+2); fillbitmap(priority_bitmap,0,cliprect); tilemap_draw(bitmap,cliprect,bg1_tilemap,0,0); tilemap_draw(bitmap,cliprect,bg2_tilemap,0,1); /* we use the priority buffer so sprites are drawn front to back */ turbofrc_draw_sprites(screen->machine,bitmap,cliprect,1,-1); //ship turbofrc_draw_sprites(screen->machine,bitmap,cliprect,1, 0); //intro turbofrc_draw_sprites(screen->machine,bitmap,cliprect,0,-1); //enemy turbofrc_draw_sprites(screen->machine,bitmap,cliprect,0, 0); //enemy return 0; } VIDEO_UPDATE( aerofgt ) { tilemap_set_scrollx(bg1_tilemap,0,aerofgt_rasterram[0x0000]-18); tilemap_set_scrolly(bg1_tilemap,0,bg1scrolly); tilemap_set_scrollx(bg2_tilemap,0,aerofgt_rasterram[0x0200]-20); tilemap_set_scrolly(bg2_tilemap,0,bg2scrolly); fillbitmap(priority_bitmap,0,cliprect); tilemap_draw(bitmap,cliprect,bg1_tilemap,0,0); aerofgt_draw_sprites(screen->machine,bitmap,cliprect,0); aerofgt_draw_sprites(screen->machine,bitmap,cliprect,1); tilemap_draw(bitmap,cliprect,bg2_tilemap,0,0); aerofgt_draw_sprites(screen->machine,bitmap,cliprect,2); aerofgt_draw_sprites(screen->machine,bitmap,cliprect,3); return 0; } VIDEO_UPDATE( aerfboot ) { int i,scrolly; tilemap_set_scroll_rows(bg1_tilemap,512); scrolly = bg1scrolly+2; for (i = 0;i < 256;i++) tilemap_set_scrollx(bg1_tilemap,(i + scrolly) & 0x1ff,aerofgt_rasterram[7]+174); tilemap_set_scrolly(bg1_tilemap,0,scrolly); tilemap_set_scrollx(bg2_tilemap,0,bg2scrollx+172); tilemap_set_scrolly(bg2_tilemap,0,bg2scrolly+2); fillbitmap(priority_bitmap,0,cliprect); tilemap_draw(bitmap,cliprect,bg1_tilemap,0,0); tilemap_draw(bitmap,cliprect,bg2_tilemap,0,1); /* we use the priority buffer so sprites are drawn front to back */ aerfboot_draw_sprites(screen->machine,bitmap,cliprect); return 0; } VIDEO_UPDATE( wbbc97 ) { int i,scrolly; tilemap_set_scroll_rows(bg1_tilemap,256); scrolly = bg1scrolly; for (i = 0;i < 256;i++) tilemap_set_scrollx(bg1_tilemap,(i + scrolly) & 0xff,aerofgt_rasterram[i]); tilemap_set_scrolly(bg1_tilemap,0,scrolly); fillbitmap(priority_bitmap,0,cliprect); if(wbbc97_bitmap_enable) { wbbc97_draw_bitmap(bitmap); tilemap_draw(bitmap,cliprect,bg1_tilemap,0,0); } else { tilemap_draw(bitmap,cliprect,bg1_tilemap,TILEMAP_DRAW_OPAQUE,0); } turbofrc_draw_sprites(screen->machine,bitmap,cliprect,0,-1); turbofrc_draw_sprites(screen->machine,bitmap,cliprect,0, 0); return 0; }