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// license:LGPL-2.1+
// copyright-holders:Angelo Salese, Barry Rodewald
#include "includes/x1.h"
//**************************************************************************
// LIVE DEVICE
//**************************************************************************
const device_type X1_KEYBOARD = &device_creator<x1_keyboard_device>;
//-------------------------------------------------
// z80ctc_device - constructor
//-------------------------------------------------
x1_keyboard_device::x1_keyboard_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock)
: device_t(mconfig, X1_KEYBOARD, "X1 Keyboard", tag, owner, clock, "x1_keyboard", __FILE__),
device_z80daisy_interface(mconfig, *this)
{
}
//-------------------------------------------------
// device_start - device-specific startup
//-------------------------------------------------
void x1_keyboard_device::device_start()
{
}
//**************************************************************************
// DAISY CHAIN INTERFACE
//**************************************************************************
//-------------------------------------------------
// z80daisy_irq_state - return the overall IRQ
// state for this device
//-------------------------------------------------
int x1_keyboard_device::z80daisy_irq_state()
{
x1_state *state = machine().driver_data<x1_state>();
if(state->m_key_irq_flag != 0)
return Z80_DAISY_INT;
return 0;
}
//-------------------------------------------------
// z80daisy_irq_ack - acknowledge an IRQ and
// return the appropriate vector
//-------------------------------------------------
int x1_keyboard_device::z80daisy_irq_ack()
{
x1_state *state = machine().driver_data<x1_state>();
state->m_key_irq_flag = 0;
state->m_maincpu->set_input_line(INPUT_LINE_IRQ0,CLEAR_LINE);
return state->m_key_irq_vector;
}
//-------------------------------------------------
// z80daisy_irq_reti - clear the interrupt
// pending state to allow other interrupts through
//-------------------------------------------------
void x1_keyboard_device::z80daisy_irq_reti()
{
}
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