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// license:BSD-3-Clause
// copyright-holders:Robbbert
/********************************************************************************
PINBALL
NSM (Lowen) : Hot Fire Birds
Schematic and PinMAME used as references
Everything in this machine is controlled by a serial bus based on the
processor's CRU pins (serial i/o).
ToDo:
- Inputs (i have no idea how CRU inputs work)
- Mechanical sounds
- Further testing, etc
*********************************************************************************/
#include "emu.h"
#include "machine/genpin.h"
#include "cpu/tms9900/tms9995.h"
#include "sound/ay8910.h"
#include "speaker.h"
#include "nsm.lh"
class nsm_state : public driver_device
{
public:
nsm_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag)
, m_maincpu(*this, "maincpu")
, m_digits(*this, "digit%u", 0U)
{ }
void nsm(machine_config &config);
private:
DECLARE_READ8_MEMBER(ff_r);
DECLARE_WRITE8_MEMBER(cru_w);
DECLARE_WRITE8_MEMBER(oe_w);
void nsm_io_map(address_map &map);
void nsm_map(address_map &map);
uint8_t m_cru_data[9];
uint8_t m_cru_count;
virtual void machine_reset() override;
virtual void machine_start() override { m_digits.resolve(); }
required_device<tms9995_device> m_maincpu;
output_finder<60> m_digits;
};
void nsm_state::nsm_map(address_map &map)
{
map(0x0000, 0x7fff).rom();
map(0xe000, 0xefff).ram();
map(0xffec, 0xffed).w("ay1", FUNC(ay8910_device::address_data_w));
map(0xffee, 0xffef).w("ay2", FUNC(ay8910_device::address_data_w));
}
void nsm_state::nsm_io_map(address_map &map)
{
// 00-71 selected by IC600 (74LS151)
map(0x0000, 0x001f).r(FUNC(nsm_state::ff_r)); // 5v supply
map(0x0100, 0x011f).nopr(); // antenna
map(0x0200, 0x021f).nopr(); // reset circuit
map(0x0300, 0x031f).r(FUNC(nsm_state::ff_r)); // service plug
map(0x0400, 0x041f).r(FUNC(nsm_state::ff_r)); // service plug
map(0x0500, 0x051f).r(FUNC(nsm_state::ff_r)); // test of internal battery
map(0x0600, 0x061f).r(FUNC(nsm_state::ff_r)); // sum of analog outputs of ay2
//map(0x0700, 0x071f).nopr(); // serial data in
map(0x1ee0, 0x1efb).nopw();
map(0xfe40, 0xfff0).nopr();
map(0xff60, 0xff7f).w(FUNC(nsm_state::cru_w));
map(0xffa0, 0xffa3).w(FUNC(nsm_state::oe_w));
}
static INPUT_PORTS_START( nsm )
INPUT_PORTS_END
READ8_MEMBER( nsm_state::ff_r ) { return 1; }
WRITE8_MEMBER( nsm_state::oe_w )
{
m_cru_count = 9;
}
WRITE8_MEMBER( nsm_state::cru_w )
{
offset &= 7;
if (!offset)
{
m_cru_count--;
m_cru_data[m_cru_count] = 0;
}
m_cru_data[m_cru_count] |= (data << offset);
uint8_t i,j;
int segments;
if (!m_cru_count && (offset == 7))
{
m_cru_count = 9;
//for (i = 0; i < 9; i++) printf("%02X ",m_cru_data[i]);printf("\n");
for (i = 0; i < 8; i++)
{
if (BIT(m_cru_data[0], i))
{
for (j = 0; j < 5; j++)
{
segments = m_cru_data[8-j]^0xff;
m_digits[j * 10 + i] = bitswap<16>(segments, 8, 8, 8, 8, 8, 8, 0, 0, 1, 1, 2, 3, 4, 5, 6, 7);
}
}
}
}
}
void nsm_state::machine_reset()
{
// Disable auto wait state generation by raising the READY line on reset
m_maincpu->ready_line(ASSERT_LINE);
m_maincpu->reset_line(ASSERT_LINE);
}
void nsm_state::nsm(machine_config &config)
{
// CPU TMS9995, standard variant; no line connection
TMS9995(config, m_maincpu, 11052000);
m_maincpu->set_addrmap(AS_PROGRAM, &nsm_state::nsm_map);
m_maincpu->set_addrmap(AS_IO, &nsm_state::nsm_io_map);
/* Video */
config.set_default_layout(layout_nsm);
/* Sound */
SPEAKER(config, "lspeaker").front_left();
SPEAKER(config, "rspeaker").front_right();
AY8912(config, "ay1", 11052000/8).add_route(ALL_OUTPUTS, "lspeaker", 0.75);
AY8912(config, "ay2", 11052000/8).add_route(ALL_OUTPUTS, "rspeaker", 0.75);
}
/*-------------------------------------------------------------------
/ Cosmic Flash (1985)
/-------------------------------------------------------------------*/
/*-------------------------------------------------------------------
/ Hot Fire Birds (1985)
/-------------------------------------------------------------------*/
ROM_START(firebird)
ROM_REGION(0x10000, "maincpu", 0)
ROM_LOAD("nsmf02.764", 0x0000, 0x2000, CRC(236b5780) SHA1(19ef6e1fc900e5d94f615a4316f0383ed5ee939c))
ROM_LOAD("nsmf03.764", 0x2000, 0x2000, CRC(d88c6ef5) SHA1(00edeefaab7e1141741aa132e6f7e56a911573be))
ROM_LOAD("nsmf04.764", 0x4000, 0x2000, CRC(38a8add4) SHA1(74f781edc31aad07411feacad53c5f6cc73d09f4))
ROM_END
/*-------------------------------------------------------------------
/ Tag-Team Pinball (1986)
/-------------------------------------------------------------------*/
/*-------------------------------------------------------------------
/ The Games (1985)
/-------------------------------------------------------------------*/
GAME(1985, firebird, 0, nsm, nsm, nsm_state, empty_init, ROT0, "NSM", "Hot Fire Birds", MACHINE_NOT_WORKING | MACHINE_MECHANICAL)
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