#include "driver.h" #include "video/konamiic.h" static int layer_colorbase[2]; extern int bladestl_spritebank; PALETTE_INIT( bladestl ) { int i; #define TOTAL_COLORS(gfxn) (machine->gfx[gfxn]->total_colors * machine->gfx[gfxn]->color_granularity) #define COLOR(gfxn,offs) (colortable[machine->drv->gfxdecodeinfo[gfxn].color_codes_start + offs]) /* build the lookup table for sprites. Palette is dynamic. */ for (i = 0;i < TOTAL_COLORS(1);i++) COLOR(1,i) = 0x20 + (*(color_prom++) & 0x0f); } /*************************************************************************** Callback for the K007342 ***************************************************************************/ static void tile_callback(int layer, int bank, int *code, int *color, int *flags) { *code |= ((*color & 0x0f) << 8) | ((*color & 0x40) << 6); *color = layer_colorbase[layer]; } /*************************************************************************** Callback for the K007420 ***************************************************************************/ static void sprite_callback(int *code,int *color) { *code |= ((*color & 0xc0) << 2) + bladestl_spritebank; *code = (*code << 2) | ((*color & 0x30) >> 4); *color = 0 + (*color & 0x0f); } /*************************************************************************** Start the video hardware emulation. ***************************************************************************/ VIDEO_START( bladestl ) { layer_colorbase[0] = 0; layer_colorbase[1] = 1; K007342_vh_start(0,tile_callback); K007420_vh_start(machine,1,sprite_callback); } /*************************************************************************** Screen Refresh ***************************************************************************/ VIDEO_UPDATE( bladestl ) { K007342_tilemap_update(); K007342_tilemap_draw( bitmap, cliprect, 1, TILEMAP_DRAW_OPAQUE ,0); K007420_sprites_draw( bitmap, cliprect ); K007342_tilemap_draw( bitmap, cliprect, 1, 1 | TILEMAP_DRAW_OPAQUE ,0); K007342_tilemap_draw( bitmap, cliprect, 0, 0 ,0); K007342_tilemap_draw( bitmap, cliprect, 0, 1 ,0); return 0; }