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/***************************************************************************
SAPI-1 driver by Miodrag Milanovic
09/09/2008 Preliminary driver.
****************************************************************************/
#include "includes/sapi1.h"
/* Driver initialization */
DRIVER_INIT_MEMBER(sapi1_state,sapi1)
{
}
MACHINE_RESET_MEMBER(sapi1_state,sapi1)
{
m_keyboard_mask = 0;
}
MACHINE_START_MEMBER(sapi1_state,sapi1)
{
}
READ8_MEMBER( sapi1_state::sapi1_keyboard_r )
{
UINT8 key = 0xff;
if (BIT(m_keyboard_mask, 0)) { key &= m_line0->read(); }
if (BIT(m_keyboard_mask, 1)) { key &= m_line1->read(); }
if (BIT(m_keyboard_mask, 2)) { key &= m_line2->read(); }
if (BIT(m_keyboard_mask, 3)) { key &= m_line3->read(); }
if (BIT(m_keyboard_mask, 4)) { key &= m_line4->read(); }
return key;
}
WRITE8_MEMBER( sapi1_state::sapi1_keyboard_w )
{
m_keyboard_mask = (data ^ 0xff ) & 0x1f;
}
MACHINE_RESET_MEMBER(sapi1_state,sapizps3)
{
m_keyboard_mask = 0;
m_bank1->set_entry(1);
}
DRIVER_INIT_MEMBER(sapi1_state,sapizps3)
{
UINT8 *RAM = memregion("maincpu")->base();
m_bank1->configure_entries(0, 2, &RAM[0x0000], 0xf800);
}
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