diff options
Diffstat (limited to 'src/mame/video/88games.c')
-rw-r--r-- | src/mame/video/88games.c | 100 |
1 files changed, 100 insertions, 0 deletions
diff --git a/src/mame/video/88games.c b/src/mame/video/88games.c new file mode 100644 index 00000000000..3dceda4659d --- /dev/null +++ b/src/mame/video/88games.c @@ -0,0 +1,100 @@ +#include "driver.h" +#include "video/konamiic.h" + + +int k88games_priority; + +static int layer_colorbase[3],sprite_colorbase,zoom_colorbase; + + + +/*************************************************************************** + + Callbacks for the K052109 + +***************************************************************************/ + +static void tile_callback(int layer,int bank,int *code,int *color,int *flags,int *priority) +{ + *code |= ((*color & 0x0f) << 8) | (bank << 12); + *color = layer_colorbase[layer] + ((*color & 0xf0) >> 4); +} + + +/*************************************************************************** + + Callbacks for the K051960 + +***************************************************************************/ + +static void sprite_callback(int *code,int *color,int *priority,int *shadow) +{ + *priority = (*color & 0x20) >> 5; /* ??? */ + *color = sprite_colorbase + (*color & 0x0f); +} + + +/*************************************************************************** + + Callbacks for the K051316 + +***************************************************************************/ + +static void zoom_callback(int *code,int *color,int *flags) +{ + *flags = (*color & 0x40) ? TILE_FLIPX : 0; + *code |= ((*color & 0x07) << 8); + *color = zoom_colorbase + ((*color & 0x38) >> 3) + ((*color & 0x80) >> 4); +} + + +/*************************************************************************** + + Start the video hardware emulation. + +***************************************************************************/ + +VIDEO_START( 88games ) +{ + layer_colorbase[0] = 64; + layer_colorbase[1] = 0; + layer_colorbase[2] = 16; + sprite_colorbase = 32; + zoom_colorbase = 48; + K052109_vh_start(machine,REGION_GFX1,NORMAL_PLANE_ORDER,tile_callback); + K051960_vh_start(machine,REGION_GFX2,NORMAL_PLANE_ORDER,sprite_callback); + K051316_vh_start_0(machine,REGION_GFX3,4,FALSE,0,zoom_callback); +} + + + +/*************************************************************************** + + Display refresh + +***************************************************************************/ + +VIDEO_UPDATE( 88games ) +{ + K052109_tilemap_update(); + + if (k88games_priority) + { + tilemap_draw(bitmap,cliprect,K052109_tilemap[0],TILEMAP_DRAW_OPAQUE,0); + K051960_sprites_draw(bitmap,cliprect,1,1); + tilemap_draw(bitmap,cliprect,K052109_tilemap[2],0,0); + tilemap_draw(bitmap,cliprect,K052109_tilemap[1],0,0); + K051960_sprites_draw(bitmap,cliprect,0,0); + K051316_zoom_draw_0(bitmap,cliprect,0,0); + } + else + { + tilemap_draw(bitmap,cliprect,K052109_tilemap[2],TILEMAP_DRAW_OPAQUE,0); + K051316_zoom_draw_0(bitmap,cliprect,0,0); + K051960_sprites_draw(bitmap,cliprect,0,0); + tilemap_draw(bitmap,cliprect,K052109_tilemap[1],0,0); + K051960_sprites_draw(bitmap,cliprect,1,1); + tilemap_draw(bitmap,cliprect,K052109_tilemap[0],0,0); + } + return 0; +} |