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-rw-r--r--trunk/src/emu/video/bufsprite.c71
1 files changed, 71 insertions, 0 deletions
diff --git a/trunk/src/emu/video/bufsprite.c b/trunk/src/emu/video/bufsprite.c
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+++ b/trunk/src/emu/video/bufsprite.c
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+/*********************************************************************
+
+ bufsprite.h
+
+ Buffered Sprite RAM device.
+
+****************************************************************************
+
+ Copyright Aaron Giles
+ All rights reserved.
+
+ Redistribution and use in source and binary forms, with or without
+ modification, are permitted provided that the following conditions are
+ met:
+
+ * Redistributions of source code must retain the above copyright
+ notice, this list of conditions and the following disclaimer.
+ * Redistributions in binary form must reproduce the above copyright
+ notice, this list of conditions and the following disclaimer in
+ the documentation and/or other materials provided with the
+ distribution.
+ * Neither the name 'MAME' nor the names of its contributors may be
+ used to endorse or promote products derived from this software
+ without specific prior written permission.
+
+ THIS SOFTWARE IS PROVIDED BY AARON GILES ''AS IS'' AND ANY EXPRESS OR
+ IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ DISCLAIMED. IN NO EVENT SHALL AARON GILES BE LIABLE FOR ANY DIRECT,
+ INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ POSSIBILITY OF SUCH DAMAGE.
+
+*********************************************************************/
+
+#include "emu.h"
+#include "bufsprite.h"
+
+
+//**************************************************************************
+// GLOBAL VARIABLES
+//**************************************************************************
+
+// device type definition
+extern const device_type BUFFERED_SPRITERAM8 = &device_creator<buffered_spriteram8_device>;
+extern const device_type BUFFERED_SPRITERAM16 = &device_creator<buffered_spriteram16_device>;
+extern const device_type BUFFERED_SPRITERAM32 = &device_creator<buffered_spriteram32_device>;
+extern const device_type BUFFERED_SPRITERAM64 = &device_creator<buffered_spriteram64_device>;
+
+
+
+/* ----- sprite buffering ----- */
+
+/* buffered sprite RAM write handlers */
+WRITE8_HANDLER( buffer_spriteram_w ) { }
+WRITE16_HANDLER( buffer_spriteram16_w ) { }
+WRITE32_HANDLER( buffer_spriteram32_w ) { }
+WRITE8_HANDLER( buffer_spriteram_2_w ) { }
+WRITE16_HANDLER( buffer_spriteram16_2_w ) { }
+WRITE32_HANDLER( buffer_spriteram32_2_w ) { }
+
+/* perform the actual buffering */
+void buffer_spriteram(running_machine &machine, UINT8 *ptr, int length) { }
+void buffer_spriteram_2(running_machine &machine, UINT8 *ptr, int length) { }
+
+
+