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hunter2: added RS232 port.

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This commit is contained in:
mahlemiut 2014-03-12 11:02:22 +00:00
parent 41251f0b34
commit 8dc00459ab
1 changed files with 43 additions and 4 deletions
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47
src/mess/drivers/hunter2.c
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@ -30,6 +30,8 @@
#include "rendlay.h"
#include "sound/speaker.h"
#include "machine/nsc810.h"
#include "bus/rs232/rs232.h"
#include "bus/rs232/null_modem.h"
class hunter2_state : public driver_device
{
@ -38,6 +40,7 @@ public:
: driver_device(mconfig, type, tag)
, m_maincpu(*this, "maincpu")
, m_speaker(*this, "speaker")
, m_rs232(*this, "serial")
{ }
DECLARE_READ8_MEMBER(port00_r);
@ -46,6 +49,9 @@ public:
DECLARE_READ8_MEMBER(port02_r);
DECLARE_WRITE8_MEMBER(port60_w);
DECLARE_WRITE8_MEMBER(port80_w);
DECLARE_WRITE8_MEMBER(port81_w);
DECLARE_WRITE8_MEMBER(port82_w);
DECLARE_WRITE8_MEMBER(port84_w);
DECLARE_WRITE8_MEMBER(port86_w);
DECLARE_WRITE8_MEMBER(portbb_w);
DECLARE_WRITE8_MEMBER(porte0_w);
@ -60,6 +66,7 @@ private:
virtual void machine_reset();
required_device<cpu_device> m_maincpu;
required_device<speaker_sound_device> m_speaker;
required_device<rs232_port_device> m_rs232;
};
static ADDRESS_MAP_START(hunter2_mem, AS_PROGRAM, 8, hunter2_state)
@ -181,19 +188,30 @@ READ8_MEMBER( hunter2_state::port00_r )
READ8_MEMBER( hunter2_state::port01_r )
{
// TODO: bit 7 = RS232 DSR line
return 0x00;
UINT8 res = 0x00;
if(m_rs232->dsr_r())
res |= 0x80;
return res;
}
WRITE8_MEMBER( hunter2_state::port01_w )
{
m_keydata = data;
logerror("Key row select %02x\n",data);
//logerror("Key row select %02x\n",data);
}
READ8_MEMBER( hunter2_state::port02_r )
{
return 0x28;
UINT8 res = 0x28;
if(m_rs232->rxd_r())
res |= 0x01;
if(m_rs232->dcd_r())
res |= 0x02;
return res;
}
WRITE8_MEMBER( hunter2_state::port60_w )
@ -210,6 +228,21 @@ WRITE8_MEMBER( hunter2_state::port80_w )
// bit 0 does something
}
WRITE8_MEMBER( hunter2_state::port81_w )
{
m_rs232->write_txd(data & 0x01);
}
WRITE8_MEMBER( hunter2_state::port82_w )
{
m_rs232->write_dtr(data & 0x01);
}
WRITE8_MEMBER( hunter2_state::port84_w )
{
m_rs232->write_rts(data & 0x01);
}
WRITE8_MEMBER( hunter2_state::port86_w )
{
m_speaker->level_w(BIT(data, 0));
@ -321,6 +354,10 @@ WRITE_LINE_MEMBER(hunter2_state::timer0_out)
m_maincpu->set_input_line(INPUT_LINE_NMI, PULSE_LINE);
}
SLOT_INTERFACE_START( hunter2_rs232_devices )
SLOT_INTERFACE("null_modem", NULL_MODEM)
SLOT_INTERFACE_END
static MACHINE_CONFIG_START( hunter2, hunter2_state )
/* basic machine hardware */
MCFG_CPU_ADD("maincpu", NSC800, 4000000)
@ -354,6 +391,8 @@ static MACHINE_CONFIG_START( hunter2, hunter2_state )
MCFG_NSC810_PORTC_READ(READ8(hunter2_state,port02_r))
MCFG_NSC810_TIMER0_OUT(WRITELINE(hunter2_state,timer0_out))
MCFG_NSC810_TIMER1_OUT(INPUTLINE("maincpu",NSC800_RSTA))
MCFG_RS232_PORT_ADD("serial",hunter2_rs232_devices,NULL)
MACHINE_CONFIG_END
/* ROM definition */