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attache816: enabled MCFG_QUANTUM_PERFECT_CPU on the 8086, fixes deadlock when writing to the RAM disk.

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This commit is contained in:
mahlemiut 2017-12-08 11:40:43 +13:00
parent 33e49080e2
commit 22cf205a18
1 changed files with 3 additions and 9 deletions
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12
src/mame/drivers/attache.cpp
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@ -800,16 +800,14 @@ WRITE_LINE_MEMBER( attache_state::fdc_dack_w )
WRITE8_MEMBER(attache816_state::x86_comms_w) WRITE8_MEMBER(attache816_state::x86_comms_w)
{ {
m_comms_val = data; m_comms_val = data;
m_ppi->pc6_w(1);
m_z80_rx_ready = false; m_z80_rx_ready = false;
machine().scheduler().synchronize();
logerror("x86 writes %02x to comms\n",data);
} }
READ8_MEMBER(attache816_state::x86_comms_r) READ8_MEMBER(attache816_state::x86_comms_r)
{ {
m_z80_tx_ready = false; m_z80_tx_ready = false;
logerror("x86 reads %02x from comms\n",m_comms_val); m_ppi->pc4_w(1);
machine().scheduler().synchronize();
return m_comms_val; return m_comms_val;
} }
@ -850,19 +848,14 @@ READ8_MEMBER(attache816_state::z80_comms_r)
{ {
m_z80_rx_ready = true; m_z80_rx_ready = true;
m_ppi->pc6_w(0); m_ppi->pc6_w(0);
logerror("z80 reads %02x from comms\n",m_comms_val);
machine().scheduler().synchronize();
return m_comms_val; return m_comms_val;
} }
WRITE8_MEMBER(attache816_state::z80_comms_w) WRITE8_MEMBER(attache816_state::z80_comms_w)
{ {
m_comms_val = data; m_comms_val = data;
logerror("z80 writes %02x to comms\n",data);
m_z80_tx_ready = true; m_z80_tx_ready = true;
m_ppi->pc4_w(0); m_ppi->pc4_w(0);
machine().scheduler().synchronize();
// m_ppi->write(space,0,data);
} }
// Z80 comms status // Z80 comms status
@ -1171,6 +1164,7 @@ static MACHINE_CONFIG_START( attache816 )
MCFG_CPU_ADD("extcpu",I8086,XTAL_24MHz / 3) MCFG_CPU_ADD("extcpu",I8086,XTAL_24MHz / 3)
MCFG_CPU_PROGRAM_MAP(attache_x86_map) MCFG_CPU_PROGRAM_MAP(attache_x86_map)
MCFG_CPU_IO_MAP(attache_x86_io) MCFG_CPU_IO_MAP(attache_x86_io)
MCFG_QUANTUM_PERFECT_CPU("extcpu")
MCFG_SCREEN_ADD_MONOCHROME("screen", RASTER, rgb_t::green()) MCFG_SCREEN_ADD_MONOCHROME("screen", RASTER, rgb_t::green())
MCFG_SCREEN_REFRESH_RATE(60) MCFG_SCREEN_REFRESH_RATE(60)