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Diffstat (limited to 'src/mame/video/freekick.c')
-rw-r--r--src/mame/video/freekick.c157
1 files changed, 157 insertions, 0 deletions
diff --git a/src/mame/video/freekick.c b/src/mame/video/freekick.c
new file mode 100644
index 00000000000..d0a146f2dd8
--- /dev/null
+++ b/src/mame/video/freekick.c
@@ -0,0 +1,157 @@
+/* Free Kick Video Hardware */
+
+#include "driver.h"
+
+static tilemap *freek_tilemap;
+UINT8 *freek_videoram;
+
+
+static TILE_GET_INFO( get_freek_tile_info )
+{
+ int tileno,palno;
+
+ tileno = freek_videoram[tile_index]+((freek_videoram[tile_index+0x400]&0xe0)<<3);
+ palno=freek_videoram[tile_index+0x400]&0x1f;
+ SET_TILE_INFO(0,tileno,palno,0);
+}
+
+
+
+VIDEO_START(freekick)
+{
+ freek_tilemap = tilemap_create(get_freek_tile_info,tilemap_scan_rows,TILEMAP_TYPE_PEN, 8, 8,32,32);
+}
+
+
+
+WRITE8_HANDLER( freek_videoram_w )
+{
+ freek_videoram[offset] = data;
+ tilemap_mark_tile_dirty(freek_tilemap,offset&0x3ff);
+}
+
+static void gigas_draw_sprites(running_machine *machine, mame_bitmap *bitmap, const rectangle *cliprect)
+{
+ int offs;
+
+ for (offs = 0;offs < spriteram_size;offs += 4)
+ {
+ int xpos = spriteram[offs + 3];
+ int ypos = spriteram[offs + 2];
+ int code = spriteram[offs + 0]|( (spriteram[offs + 1]&0x20) <<3 );
+
+ int flipx = 0;
+ int flipy = 0;
+ int color = spriteram[offs + 1] & 0x1f;
+
+ if (flip_screen_x)
+ {
+ xpos = 240 - xpos;
+ flipx = !flipx;
+ }
+ if (flip_screen_y)
+ {
+ ypos = 256 - ypos;
+ flipy = !flipy;
+ }
+
+ drawgfx(bitmap,machine->gfx[1],
+ code,
+ color,
+ flipx,flipy,
+ xpos,240-ypos,
+ cliprect,TRANSPARENCY_PEN,0);
+ }
+}
+
+
+static void pbillrd_draw_sprites(running_machine *machine, mame_bitmap *bitmap, const rectangle *cliprect)
+{
+ int offs;
+
+ for (offs = 0;offs < spriteram_size;offs += 4)
+ {
+ int xpos = spriteram[offs + 3];
+ int ypos = spriteram[offs + 2];
+ int code = spriteram[offs + 0];
+
+ int flipx = 0;//spriteram[offs + 0] & 0x80; //?? unused ?
+ int flipy = 0;//spriteram[offs + 0] & 0x40;
+ int color = spriteram[offs + 1] & 0x0f;
+
+ if (flip_screen_x)
+ {
+ xpos = 240 - xpos;
+ flipx = !flipx;
+ }
+ if (flip_screen_y)
+ {
+ ypos = 256 - ypos;
+ flipy = !flipy;
+ }
+
+ drawgfx(bitmap,machine->gfx[1],
+ code,
+ color,
+ flipx,flipy,
+ xpos,240-ypos,
+ cliprect,TRANSPARENCY_PEN,0);
+ }
+}
+
+
+
+static void freekick_draw_sprites(running_machine *machine, mame_bitmap *bitmap, const rectangle *cliprect )
+{
+ int offs;
+
+ for (offs = 0;offs < spriteram_size;offs += 4)
+ {
+ int xpos = spriteram[offs + 3];
+ int ypos = spriteram[offs + 0];
+ int code = spriteram[offs + 1]+ ((spriteram[offs + 2] & 0x20) << 3);
+
+ int flipx = spriteram[offs + 2] & 0x80; //?? unused ?
+ int flipy = spriteram[offs + 2] & 0x40;
+ int color = spriteram[offs + 2] & 0x1f;
+
+ if (flip_screen_x)
+ {
+ xpos = 240 - xpos;
+ flipx = !flipx;
+ }
+ if (flip_screen_y)
+ {
+ ypos = 256 - ypos;
+ flipy = !flipy;
+ }
+
+ drawgfx(bitmap,machine->gfx[1],
+ code,
+ color,
+ flipx,flipy,
+ xpos,248-ypos,
+ cliprect,TRANSPARENCY_PEN,0);
+ }
+}
+
+VIDEO_UPDATE(gigas)
+{
+ tilemap_draw(bitmap,cliprect,freek_tilemap,0,0);
+ gigas_draw_sprites(machine,bitmap,cliprect);
+ return 0;
+}
+
+VIDEO_UPDATE(pbillrd)
+{
+ tilemap_draw(bitmap,cliprect,freek_tilemap,0,0);
+ pbillrd_draw_sprites(machine,bitmap,cliprect);
+ return 0;
+}
+
+VIDEO_UPDATE(freekick)
+{
+ tilemap_draw(bitmap,cliprect,freek_tilemap,0,0);
+ freekick_draw_sprites(machine,bitmap,cliprect);
+ return 0;
+}