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// license:BSD-3-Clause
// copyright-holders:Nathan Woods
/***************************************************************************
coco_rs232.cpp
Code for emulating the CoCo RS-232 PAK
***************************************************************************/
#include "emu.h"
#include "cococart.h"
#include "machine/mos6551.h"
/***************************************************************************
CONSTANTS
***************************************************************************/
#define UART_TAG "uart"
//**************************************************************************
// TYPE DEFINITIONS
//**************************************************************************
// ======================> coco_rs232_device
namespace
{
class coco_rs232_device :
public device_t,
public device_cococart_interface
{
public:
// construction/destruction
coco_rs232_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock)
: device_t(mconfig, COCO_RS232, tag, owner, clock)
, device_cococart_interface(mconfig, *this)
, m_uart(*this, UART_TAG)
{
}
// optional information overrides
virtual void device_add_mconfig(machine_config &config) override;
protected:
// device-level overrides
virtual void device_start() override
{
install_readwrite_handler(0xFF68, 0xFF6B,
read8_delegate(FUNC(mos6551_device::read), (mos6551_device *)m_uart),
write8_delegate(FUNC(mos6551_device::write), (mos6551_device *)m_uart));
}
private:
// internal state
required_device<mos6551_device> m_uart;
};
};
/***************************************************************************
IMPLEMENTATION
***************************************************************************/
MACHINE_CONFIG_MEMBER(coco_rs232_device::device_add_mconfig)
MCFG_DEVICE_ADD(UART_TAG, MOS6551, 0)
MCFG_MOS6551_XTAL(XTAL_1_8432MHz)
MACHINE_CONFIG_END
//**************************************************************************
// DEVICE DECLARATION
//**************************************************************************
DEFINE_DEVICE_TYPE(COCO_RS232, coco_rs232_device, "coco_rs232", "CoCo RS-232 PAK")
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