diff options
Diffstat (limited to 'src/mame/drivers/attache.cpp')
-rw-r--r-- | src/mame/drivers/attache.cpp | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/src/mame/drivers/attache.cpp b/src/mame/drivers/attache.cpp index f81ff6d120c..ca68ba5c3ec 100644 --- a/src/mame/drivers/attache.cpp +++ b/src/mame/drivers/attache.cpp @@ -800,14 +800,16 @@ WRITE_LINE_MEMBER( attache_state::fdc_dack_w ) WRITE8_MEMBER(attache816_state::x86_comms_w) { m_comms_val = data; - m_ppi->pc6_w(1); m_z80_rx_ready = false; + machine().scheduler().synchronize(); + logerror("x86 writes %02x to comms\n",data); } READ8_MEMBER(attache816_state::x86_comms_r) { m_z80_tx_ready = false; - m_ppi->pc4_w(1); + logerror("x86 reads %02x from comms\n",m_comms_val); + machine().scheduler().synchronize(); return m_comms_val; } @@ -848,14 +850,19 @@ READ8_MEMBER(attache816_state::z80_comms_r) { m_z80_rx_ready = true; m_ppi->pc6_w(0); + logerror("z80 reads %02x from comms\n",m_comms_val); + machine().scheduler().synchronize(); return m_comms_val; } WRITE8_MEMBER(attache816_state::z80_comms_w) { m_comms_val = data; + logerror("z80 writes %02x to comms\n",data); m_z80_tx_ready = true; m_ppi->pc4_w(0); + machine().scheduler().synchronize(); +// m_ppi->write(space,0,data); } // Z80 comms status @@ -1164,7 +1171,6 @@ static MACHINE_CONFIG_START( attache816 ) MCFG_CPU_ADD("extcpu",I8086,XTAL_24MHz / 3) MCFG_CPU_PROGRAM_MAP(attache_x86_map) MCFG_CPU_IO_MAP(attache_x86_io) - MCFG_QUANTUM_PERFECT_CPU("extcpu") MCFG_SCREEN_ADD_MONOCHROME("screen", RASTER, rgb_t::green()) MCFG_SCREEN_REFRESH_RATE(60) |