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// license:BSD-3-Clause
// copyright-holders:smf
/**********************************************************************
Commodore VIC-1011A/B RS-232C Adapter emulation
Copyright MESS Team.
Visit http://mamedev.org for licensing and usage restrictions.
**********************************************************************/
#include "vic1011.h"
//**************************************************************************
// MACROS/CONSTANTS
//**************************************************************************
#define RS232_TAG "rs232"
//**************************************************************************
// DEVICE DEFINITIONS
//**************************************************************************
const device_type VIC1011 = &device_creator<vic1011_device>;
//-------------------------------------------------
// MACHINE_DRIVER( vic1011 )
//-------------------------------------------------
static MACHINE_CONFIG_FRAGMENT( vic1011 )
MCFG_RS232_PORT_ADD(RS232_TAG, default_rs232_devices, NULL)
MCFG_RS232_RXD_HANDLER(DEVWRITELINE(DEVICE_SELF, vic1011_device, output_rxd))
MCFG_RS232_DCD_HANDLER(DEVWRITELINE(DEVICE_SELF, vic1011_device, output_h))
MCFG_RS232_CTS_HANDLER(DEVWRITELINE(DEVICE_SELF, vic1011_device, output_k))
MCFG_RS232_DSR_HANDLER(DEVWRITELINE(DEVICE_SELF, vic1011_device, output_l))
MACHINE_CONFIG_END
//-------------------------------------------------
// machine_config_additions - device-specific
// machine configurations
//-------------------------------------------------
machine_config_constructor vic1011_device::device_mconfig_additions() const
{
return MACHINE_CONFIG_NAME( vic1011 );
}
//**************************************************************************
// LIVE DEVICE
//**************************************************************************
//-------------------------------------------------
// vic1011_device - constructor
//-------------------------------------------------
vic1011_device::vic1011_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock)
: device_t(mconfig, VIC1011, "VIC1011", tag, owner, clock, "vic1011", __FILE__),
device_pet_user_port_interface(mconfig, *this),
m_rs232(*this, RS232_TAG)
{
}
//-------------------------------------------------
// device_start - device-specific startup
//-------------------------------------------------
void vic1011_device::device_start()
{
}
WRITE_LINE_MEMBER( vic1011_device::output_rxd )
{
output_b(!state);
output_c(!state);
}
void vic1011_device::input_d(int state)
{
m_rs232->write_rts(state);
}
void vic1011_device::input_e(int state)
{
m_rs232->write_dtr(state);
}
void vic1011_device::input_j(int state)
{
/// dcdout
}
void vic1011_device::input_m(int state)
{
m_rs232->write_txd(!state);
}
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