C++ (Cpp) m_write_cpureset Examples

Example #1

File: cs4031.cpp Project: SailorSat/cabmame

/*
    Fast CPU reset and Gate A20

    0 - Fast CPU reset
    1 - Fast Gate A20

 */
void cs4031_device::sysctrl_w(uint8_t data)
{
	LOGIO("cs4031_device::sysctrl_w: %u\n", data);

	fast_gatea20(BIT(data, 1));

	if (m_cpureset == 0 && BIT(data, 0))
	{
		// pulse reset line
		m_write_cpureset(1);
		m_write_cpureset(0);
	}

	m_cpureset = BIT(data, 0);
}

Example #2

File: cs4031.cpp Project: system11b/mame

void cs4031_device::emulated_kbreset(int state)
{
	if (BIT(m_registers[SOFT_RESET_AND_GATEA20], 4))
	{
		// kbreset (input) is active low
		// cpureset (output) is active high
		m_write_cpureset(!state);
	}
}