void nes_cne_fsb_device::pcb_reset()
{
	m_chr_source = m_vrom_chunks ? CHRROM : CHRRAM;
	prg32(0xff);
	chr8(0, m_chr_source);
}

void nes_exrom_device::update_prg()
{
	int bank0, bank1, bank2, bank3;

	switch (m_prg_mode)
	{
		case 0: // 32k banks
			bank3 = m_prg_regs[3] >> 2;
			prg32(bank3);
			break;

		case 1: // 16k banks
			bank1 = m_prg_regs[1] >> 1;
			bank3 = m_prg_regs[3] >> 1;

			if (m_prg_ram_mapped[1])
			{
				m_ram_hi_banks[0] = ((bank1 << 1) & 0x07);
				m_ram_hi_banks[1] = ((bank1 << 1) & 0x07) | 1;
			}
			else
				prg16_89ab(bank1);

			prg16_cdef(bank3);
			break;

		case 2: // 16k-8k banks
			bank1 = m_prg_regs[1] >> 1;
			bank2 = m_prg_regs[2];
			bank3 = m_prg_regs[3];

			if (m_prg_ram_mapped[1])
			{
				m_ram_hi_banks[0] = ((bank1 << 1) & 0x07);
				m_ram_hi_banks[1] = ((bank1 << 1) & 0x07) | 1;
			}
			else
				prg16_89ab(bank1);

			if (m_prg_ram_mapped[2])
				m_ram_hi_banks[2] = (bank2 & 0x07);
			else
				prg8_cd(bank2);

			prg8_ef(bank3);
			break;

		case 3: // 8k banks
			bank0 = m_prg_regs[0];
			bank1 = m_prg_regs[1];
			bank2 = m_prg_regs[2];
			bank3 = m_prg_regs[3];

			if (m_prg_ram_mapped[0])
				m_ram_hi_banks[0] = (bank0 & 0x07);
			else
				prg8_89(bank0);

			if (m_prg_ram_mapped[1])
				m_ram_hi_banks[1] = (bank1 & 0x07);
			else
				prg8_ab(bank1);

			if (m_prg_ram_mapped[2])
				m_ram_hi_banks[2] = (bank2 & 0x07);
			else
				prg8_cd(bank2);

			prg8_ef(bank3);
			break;
	}
}

void nes_mmalee_device::pcb_reset()
{
	chr8(0, CHRROM);
	prg32(0);
}