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r18827 Saturday 3rd November, 2012 at 02:30:50 UTC by R. Belmont
(MESS) M20: Improve video rendering [Christian Grössler]
[src/mess/drivers]m20.c

trunk/src/mess/drivers/m20.c
r18826r18827
121121
122122   for(y=0; y<256; y++)
123123   {
124      for(x=0; x<256; x+=16)
124      for(x=0; x<512; x+=16)
125125      {
126126         for (i = 0; i < 16; i++)
127127         {
r18826r18827
300300   AM_RANGE( 0x40000, 0x41fff ) AM_ROM AM_REGION("maincpu", 0x10000)
301301    AM_RANGE( 0x44000, 0x4bfff ) AM_RAM
302302    AM_RANGE( 0x50000, 0x5bfff ) AM_RAM
303    AM_RANGE( 0x60000, 0x67fff ) AM_RAM
303    AM_RANGE( 0x60000, 0x6ffff ) AM_RAM
304304    AM_RANGE( 0x70000, 0x77fff ) AM_RAM
305305    AM_RANGE( 0x80000, 0x8ffff ) AM_RAM
306306    AM_RANGE( 0x90000, 0x9ffff ) AM_RAM
r18826r18827
392392static const mc6845_interface mc6845_intf =
393393{
394394   "screen",   /* screen we are acting on */
395   8,         /* number of pixels per video memory address */
395   16,         /* number of pixels per video memory address */
396396   NULL,      /* before pixel update callback */
397397   NULL,      /* row update callback */
398398   NULL,      /* after pixel update callback */

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