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Diffstat (limited to 'trunk/src/emu/video/bufsprite.c')
-rw-r--r-- | trunk/src/emu/video/bufsprite.c | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/trunk/src/emu/video/bufsprite.c b/trunk/src/emu/video/bufsprite.c new file mode 100644 index 00000000000..fcd28ebc167 --- /dev/null +++ b/trunk/src/emu/video/bufsprite.c @@ -0,0 +1,71 @@ +/********************************************************************* + + 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) { } + + + |