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stop "neocdz lresort" and "neocdz kof98" from stomping over their own z80 data.. (nw)

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This commit is contained in:
David Haywood 2012-12-08 08:16:09 +00:00
parent 483c15bc81
commit 5460d901f4
3 changed files with 24 additions and 7 deletions
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6
hash/neocd.xml
View File

@ -552,8 +552,7 @@
</part>
</software>
<!-- sound doesn't work? -->
<software name="kof98" supported="no">
<software name="kof98">
<description>King of Fighters '98, The - The Slugfest (1998)(SNK)(JP)[!][King of Fighters '98, The - Dream Match Never Ends][NGCD-2420 MT A04, NGCD-2421]</description>
<year>199?</year>
<publisher>SNK</publisher>
@ -597,8 +596,7 @@
</part>
</software>
<!-- sound doesn't work? -->
<software name="lresort" supported="no">
<software name="lresort">
<description>Last Resort (1994)(SNK)(JP-US)[!]</description>
<year>199?</year>
<publisher>SNK</publisher>

2
src/mame/includes/neogeo.h
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@ -45,6 +45,7 @@ public:
m_has_sprite_bus = true;
m_has_text_bus = true;
m_has_ymrom_bus = true;
m_has_z80_bus = true;
}
/* memory pointers */
@ -239,6 +240,7 @@ public:
bool m_has_sprite_bus;
bool m_has_text_bus;
bool m_has_ymrom_bus;
bool m_has_z80_bus;
};

23
src/mess/drivers/ng_aes.c
View File

@ -394,7 +394,10 @@ WRITE16_MEMBER(ng_aes_state::neocd_control_w)
case 0x0104:
// bprintf(PRINT_NORMAL, _T(" - NGCD 0xE00000 area -> 0x%02X (PC: 0x%06X)\n"), byteValue, SekGetPC(-1));
nActiveTransferArea = byteValue;
if (ACCESSING_BITS_0_7)
{
nActiveTransferArea = byteValue;
}
break;
case 0x0120:
@ -407,6 +410,7 @@ WRITE16_MEMBER(ng_aes_state::neocd_control_w)
break;
case 0x0126:
// bprintf(PRINT_NORMAL, _T(" - NGCD Z80 BUSREQ -> 1 (PC: 0x%06X)\n"), SekGetPC(-1));
m_has_z80_bus = false;
space.machine().scheduler().synchronize();
m_audiocpu->set_input_line(INPUT_LINE_HALT, ASSERT_LINE);
break;
@ -425,6 +429,7 @@ WRITE16_MEMBER(ng_aes_state::neocd_control_w)
break;
case 0x0146:
// bprintf(PRINT_NORMAL, _T(" - NGCD Z80 BUSREQ -> 0 (PC: 0x%06X)\n"), SekGetPC(-1));
m_has_z80_bus = true;
space.machine().scheduler().synchronize();
m_audiocpu->set_input_line(INPUT_LINE_HALT, CLEAR_LINE);
break;
@ -582,9 +587,21 @@ WRITE8_MEMBER(ng_aes_state::neocd_transfer_w)
YM2610ADPCMAROM[nADPCMTransferBank + ((sekAddress & 0x0FFFFF) >> 1)] = byteValue;
break;
case 4: // Z80
if ((sekAddress & 0xfffff) >= 0x20000) break;
NeoZ80ROMActive[(sekAddress & 0x1FFFF) >> 1] = byteValue;
// kof98 and lresort attempt to write here when the system still has the z80 bank
// it seems they attempt to write regular samples (not even deltat) maybe there is
// some kind of fall-through behavior, or it shouldn't be allowed to select a
// transfer area without the bus? - this should really be checked on hw
if (m_has_z80_bus)
{
YM2610ADPCMAROM[nADPCMTransferBank + ((sekAddress & 0x0FFFFF) >> 1)] = byteValue;
}
else
{
// printf("sekAddress %08x %02x\n", sekAddress, data);
if ((sekAddress & 0xfffff) >= 0x20000) break;
NeoZ80ROMActive[(sekAddress & 0x1FFFF) >> 1] = byteValue;
}
break;
case 5: // Text
NeoTextRAM[(sekAddress & 0x3FFFF) >> 1] = byteValue;