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r28744 Wednesday 19th March, 2014 at 22:09:12 UTC by hap
add simple waitstate on 0x800000-0xbfffff access
[src/mame/drivers]neogeo.c

trunk/src/mame/drivers/neogeo.c
r28743r28744
133133          - Some raster effects are imperfect (off by a couple of lines)
134134        * Multi-cart support not implemented - the MVS can take up to
135135          6 cartridges depending on the board being used
136        * 68000 waitstates on ROM region access, determined by jumpers on cart
137          (garou train stage 3 background bug is probably related to this)
136138
137139
138140    Confirmed non-bugs:
r28743r28744
516518
517519READ16_MEMBER(neogeo_state::memcard_r)
518520{
521   m_maincpu->eat_cycles(2); // insert waitstate
522   
519523   UINT16 ret;
520524
521525   if (memcard_present(machine()) != -1)
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529533
530534WRITE16_MEMBER(neogeo_state::memcard_w)
531535{
536   m_maincpu->eat_cycles(2); // insert waitstate
537
532538   if (ACCESSING_BITS_0_7)
533539   {
534540      if (memcard_present(machine()) != -1)

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