Miroirs/mame
1
0
Fork 0
mirror of https://github.com/mamedev/mame.git synced 2024-11-16 07:48:32 +01:00
Code Issues Projects Releases Packages Wiki Activity Actions

ssimon speed switch

Browse source
This commit is contained in:
hap 2015-03-28 01:12:44 +01:00
parent af0394e428
commit 3a42563d21
3 changed files with 30 additions and 4 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

29
src/mess/drivers/hh_tms1k.c
View file

@ -1051,7 +1051,7 @@ void hh_tms1k_state::ebball3_set_clock()
// MCU clock is from an RC circuit(R=47K, C=33pf) oscillating by default at ~340kHz, // MCU clock is from an RC circuit(R=47K, C=33pf) oscillating by default at ~340kHz,
// but on PRO, the difficulty switch adds an extra 150K resistor to Vdd to speed // but on PRO, the difficulty switch adds an extra 150K resistor to Vdd to speed
// it up to around ~440kHz. // it up to around ~440kHz.
m_maincpu->set_unscaled_clock(m_inp_matrix[3]->read() & 1 ? 440000 : 340000); m_maincpu->set_unscaled_clock((m_inp_matrix[3]->read() & 1) ? 440000 : 340000);
} }
INPUT_CHANGED_MEMBER(hh_tms1k_state::ebball3_difficulty_switch) INPUT_CHANGED_MEMBER(hh_tms1k_state::ebball3_difficulty_switch)
@ -1570,17 +1570,38 @@ static INPUT_PORTS_START( ssimon )
PORT_BIT( 0x0d, IP_ACTIVE_HIGH, IPT_UNUSED ) PORT_BIT( 0x0d, IP_ACTIVE_HIGH, IPT_UNUSED )
PORT_START("IN.6") // fake PORT_START("IN.6") // fake
PORT_CONFNAME( 0x03, 0x00, "Speed" ) //PORT_CHANGED_MEMBER(DEVICE_SELF, hh_tms1k_state, ssimon_speed_switch, NULL) PORT_CONFNAME( 0x03, 0x01, "Speed" ) PORT_CHANGED_MEMBER(DEVICE_SELF, hh_tms1k_state, ssimon_speed_switch, NULL)
PORT_CONFSETTING( 0x00, "Simple" ) PORT_CONFSETTING( 0x00, "Simple" )
PORT_CONFSETTING( 0x01, "Normal" ) PORT_CONFSETTING( 0x01, "Normal" )
PORT_CONFSETTING( 0x02, "Super" ) PORT_CONFSETTING( 0x02, "Super" )
INPUT_PORTS_END INPUT_PORTS_END
void hh_tms1k_state::ssimon_set_clock()
{
// MCU clock is from an RC circuit with C=100pf, R=x depending on speed switch:
// 0 Simple: R=51K -> ~200kHz
// 1 Normal: R=37K -> ~275kHz
// 2 Super: R=22K -> ~400kHz
UINT8 inp = m_inp_matrix[6]->read();
m_maincpu->set_unscaled_clock((inp & 2) ? 400000 : ((inp & 1) ? 275000 : 200000));
}
INPUT_CHANGED_MEMBER(hh_tms1k_state::ssimon_speed_switch)
{
ssimon_set_clock();
}
MACHINE_RESET_MEMBER(hh_tms1k_state, ssimon)
{
machine_reset();
ssimon_set_clock();
}
static MACHINE_CONFIG_START( ssimon, hh_tms1k_state ) static MACHINE_CONFIG_START( ssimon, hh_tms1k_state )
/* basic machine hardware */ /* basic machine hardware */
MCFG_CPU_ADD("maincpu", TMS1100, 350000) // x MCFG_CPU_ADD("maincpu", TMS1100, 275000) // see ssimon_set_clock
MCFG_TMS1XXX_READ_K_CB(READ8(hh_tms1k_state, ssimon_read_k)) MCFG_TMS1XXX_READ_K_CB(READ8(hh_tms1k_state, ssimon_read_k))
MCFG_TMS1XXX_WRITE_R_CB(WRITE16(hh_tms1k_state, ssimon_write_r)) MCFG_TMS1XXX_WRITE_R_CB(WRITE16(hh_tms1k_state, ssimon_write_r))
MCFG_TMS1XXX_WRITE_O_CB(WRITE16(hh_tms1k_state, ssimon_write_o)) MCFG_TMS1XXX_WRITE_O_CB(WRITE16(hh_tms1k_state, ssimon_write_o))
@ -1588,6 +1609,8 @@ static MACHINE_CONFIG_START( ssimon, hh_tms1k_state )
MCFG_TIMER_DRIVER_ADD_PERIODIC("display_decay", hh_tms1k_state, display_decay_tick, attotime::from_msec(1)) MCFG_TIMER_DRIVER_ADD_PERIODIC("display_decay", hh_tms1k_state, display_decay_tick, attotime::from_msec(1))
MCFG_DEFAULT_LAYOUT(layout_ssimon) MCFG_DEFAULT_LAYOUT(layout_ssimon)
MCFG_MACHINE_RESET_OVERRIDE(hh_tms1k_state, ssimon)
/* no video! */ /* no video! */
/* sound hardware */ /* sound hardware */

2
src/mess/drivers/hh_ucom4.c
View file

@ -770,7 +770,7 @@ void hh_ucom4_state::tmtennis_set_clock()
// MCU clock is from an LC circuit oscillating by default at ~360kHz, // MCU clock is from an LC circuit oscillating by default at ~360kHz,
// but on PRO1, the difficulty switch puts a capacitor across the LC circuit // but on PRO1, the difficulty switch puts a capacitor across the LC circuit
// to slow it down to ~260kHz. // to slow it down to ~260kHz.
m_maincpu->set_unscaled_clock(m_inp_matrix[1]->read() & 0x100 ? 260000 : 360000); m_maincpu->set_unscaled_clock((m_inp_matrix[1]->read() & 0x100) ? 260000 : 360000);
} }
INPUT_CHANGED_MEMBER(hh_ucom4_state::tmtennis_difficulty_switch) INPUT_CHANGED_MEMBER(hh_ucom4_state::tmtennis_difficulty_switch)

3
src/mess/includes/hh_tms1k.h
View file

@ -112,6 +112,9 @@ public:
DECLARE_WRITE16_MEMBER(ssimon_write_r); DECLARE_WRITE16_MEMBER(ssimon_write_r);
DECLARE_WRITE16_MEMBER(ssimon_write_o); DECLARE_WRITE16_MEMBER(ssimon_write_o);
DECLARE_READ8_MEMBER(ssimon_read_k); DECLARE_READ8_MEMBER(ssimon_read_k);
void ssimon_set_clock();
DECLARE_INPUT_CHANGED_MEMBER(ssimon_speed_switch);
DECLARE_MACHINE_RESET(ssimon);
DECLARE_WRITE16_MEMBER(cnsector_write_r); DECLARE_WRITE16_MEMBER(cnsector_write_r);
DECLARE_WRITE16_MEMBER(cnsector_write_o); DECLARE_WRITE16_MEMBER(cnsector_write_o);