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(MESS) Switch to modern TMS9995 implementation. [Michael Zapf]

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This commit is contained in:
Michael Zapf 2013-10-21 23:27:17 +00:00
parent e228bdad96
commit c29b95b021
4 changed files with 83 additions and 47 deletions
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21
src/mess/drivers/cortex.c
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@ -23,7 +23,7 @@
****************************************************************************/
#include "emu.h"
#include "cpu/tms9900/tms9900l.h"
#include "cpu/tms9900/tms9995.h"
#include "video/tms9928a.h"
class cortex_state : public driver_device
@ -71,14 +71,18 @@ void cortex_state::machine_reset()
{
UINT8* ROM = memregion("maincpu")->base();
memcpy(m_p_ram, ROM, 0x6000);
m_maincpu->reset();
static_cast<tms9995_device*>(machine().device("maincpu"))->set_ready(ASSERT_LINE);
}
static const struct tms9995reset_param cortex_processor_config =
static TMS9995_CONFIG( cpuconf95 )
{
0, /* disable automatic wait state generation */
0, /* no IDLE callback */
0 /* no MP9537 mask */
DEVCB_NULL, // external op
DEVCB_NULL, // Instruction acquisition
DEVCB_NULL, // clock out
DEVCB_NULL, // HOLDA
DEVCB_NULL, // DBIN
INTERNAL_RAM, // use internal RAM
NO_OVERFLOW_INT // The generally available versions of TMS9995 have a deactivated overflow interrupt
};
static TMS9928A_INTERFACE(cortex_tms9929a_interface)
@ -90,10 +94,7 @@ static TMS9928A_INTERFACE(cortex_tms9929a_interface)
static MACHINE_CONFIG_START( cortex, cortex_state )
/* basic machine hardware */
/* TMS9995 CPU @ 12.0 MHz */
MCFG_CPU_ADD("maincpu", TMS9995L, 12000000)
MCFG_CPU_CONFIG(cortex_processor_config)
MCFG_CPU_PROGRAM_MAP(cortex_mem)
MCFG_CPU_IO_MAP(cortex_io)
MCFG_TMS99xx_ADD("maincpu", TMS9995, 12000000, cortex_mem, cortex_io, cpuconf95)
/* video hardware */
MCFG_TMS9928A_ADD( "tms9928a", TMS9929A, cortex_tms9929a_interface )

21
src/mess/drivers/evmbug.c
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@ -12,7 +12,7 @@
****************************************************************************/
#include "emu.h"
#include "cpu/tms9900/tms9900l.h"
#include "cpu/tms9900/tms9995.h"
#include "machine/terminal.h"
class evmbug_state : public driver_device
@ -91,22 +91,25 @@ static GENERIC_TERMINAL_INTERFACE( terminal_intf )
void evmbug_state::machine_reset()
{
m_term_data = 0;
// Disable auto wait state generation by raising the READY line on reset
static_cast<tms9995_device*>(machine().device("maincpu"))->set_ready(ASSERT_LINE);
}
static const struct tms9995reset_param evmbug_processor_config =
static TMS9995_CONFIG( cpuconf95 )
{
0, /* disable automatic wait state generation */
0, /* no IDLE callback */
0 /* no MP9537 mask */
DEVCB_NULL, // external op
DEVCB_NULL, // Instruction acquisition
DEVCB_NULL, // clock out
DEVCB_NULL, // HOLDA
DEVCB_NULL, // DBIN
INTERNAL_RAM, // use internal RAM
NO_OVERFLOW_INT // The generally available versions of TMS9995 have a deactivated overflow interrupt
};
static MACHINE_CONFIG_START( evmbug, evmbug_state )
/* basic machine hardware */
/* TMS9995 CPU @ 12.0 MHz */
MCFG_CPU_ADD("maincpu", TMS9995L, 12000000)
MCFG_CPU_CONFIG(evmbug_processor_config)
MCFG_CPU_PROGRAM_MAP(evmbug_mem)
MCFG_CPU_IO_MAP(evmbug_io)
MCFG_TMS99xx_ADD("maincpu", TMS9995, 12000000, evmbug_mem, evmbug_io, cpuconf95)
/* video hardware */
MCFG_GENERIC_TERMINAL_ADD(TERMINAL_TAG, terminal_intf)

33
src/mess/drivers/ti99_2.c
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@ -79,7 +79,7 @@ would just have taken three extra tracks on the main board and a OR gate in an A
#include "emu.h"
#include "machine/tms9901.h"
#include "cpu/tms9900/tms9900l.h"
#include "cpu/tms9900/tms9995.h"
class ti99_2_state : public driver_device
@ -131,11 +131,16 @@ void ti99_2_state::machine_reset()
membank("bank1")->set_base(memregion("maincpu")->base()+0x4000);
else
membank("bank1")->set_base((memregion("maincpu")->base()+0x4000));
// Configure CPU to insert 1 wait state for each external memory access
// by lowering the READY line on reset
// TODO: Check with specs
static_cast<tms9995_device*>(machine().device("maincpu"))->set_ready(CLEAR_LINE);
}
INTERRUPT_GEN_MEMBER(ti99_2_state::ti99_2_vblank_interrupt)
{
device.execute().set_input_line(1, m_irq_state);
m_maincpu->set_input_line(INT_9995_INT1, m_irq_state);
m_irq_state = (m_irq_state == ASSERT_LINE) ? CLEAR_LINE : ASSERT_LINE;
}
@ -364,26 +369,22 @@ static INPUT_PORTS_START(ti99_2)
INPUT_PORTS_END
static const struct tms9995reset_param ti99_2_processor_config =
static TMS9995_CONFIG( cpuconf95 )
{
#if 0
"maincpu",/* region for processor RAM */
0xf000, /* offset : this area is unused in our region, and matches the processor address */
0xf0fc, /* offset for the LOAD vector */
NULL, /* no IDLE callback */
1, /* use fast IDLE */
#endif
1 /* enable automatic wait state generation */
DEVCB_NULL, // external op
DEVCB_NULL, // Instruction acquisition
DEVCB_NULL, // clock out
DEVCB_NULL, // HOLDA
DEVCB_NULL, // DBIN
INTERNAL_RAM, // use internal RAM
NO_OVERFLOW_INT // The generally available versions of TMS9995 have a deactivated overflow interrupt
};
static MACHINE_CONFIG_START( ti99_2, ti99_2_state )
/* basic machine hardware */
MCFG_CPU_ADD("maincpu", TMS9995L, 10700000)
MCFG_CPU_CONFIG(ti99_2_processor_config)
MCFG_CPU_PROGRAM_MAP(ti99_2_memmap)
MCFG_CPU_IO_MAP(ti99_2_io)
MCFG_CPU_VBLANK_INT_DRIVER("screen", ti99_2_state, ti99_2_vblank_interrupt)
MCFG_TMS99xx_ADD("maincpu", TMS9995, 10700000, ti99_2_memmap, ti99_2_io, cpuconf95)
MCFG_CPU_VBLANK_INT_DRIVER("screen", ti99_2_state, ti99_2_vblank_interrupt)
/* video hardware */
/*MCFG_TMS9928A( &tms9918_interface )*/

55
src/mess/drivers/tutor.c
View File

@ -166,9 +166,14 @@ A=AMA, P=PRO, these keys don't exist, and so the games cannot be played.
*********************************************************************************************************/
#define MODERN 1
#include "emu.h"
#if MODERN
#include "cpu/tms9900/tms9995.h"
#else
#include "cpu/tms9900/tms9900l.h"
#endif
#include "sound/wave.h"
#include "video/tms9928a.h"
#include "imagedev/cartslot.h"
@ -262,6 +267,11 @@ void tutor_state::machine_reset()
m_printer_data = 0;
m_printer_strobe = 0;
#if MODERN
// Disable auto wait states by lowering READY on reset
static_cast<tms9995_device*>(machine().device("maincpu"))->set_ready(CLEAR_LINE);
#endif
}
/*
@ -405,7 +415,11 @@ WRITE8_MEMBER( tutor_state::tutor_mapper_w )
TIMER_CALLBACK_MEMBER(tutor_state::tape_interrupt_handler)
{
//assert(m_tape_interrupt_enable);
#if MODERN
m_maincpu->set_input_line(INT_9995_INT1, (m_cass->input() > 0.0) ? ASSERT_LINE : CLEAR_LINE);
#else
m_maincpu->set_input_line(1, (m_cass->input() > 0.0) ? ASSERT_LINE : CLEAR_LINE);
#endif
}
/* CRU handler */
@ -441,7 +455,11 @@ WRITE8_MEMBER( tutor_state::tutor_cassette_w )
else
{
m_tape_interrupt_timer->adjust(attotime::never);
#if MODERN
m_maincpu->set_input_line(INT_9995_INT1, CLEAR_LINE);
#else
m_maincpu->set_input_line(1, CLEAR_LINE);
#endif
}
}
break;
@ -729,7 +747,27 @@ static INPUT_PORTS_START(pyuutajr)
PORT_BIT(0xff, IP_ACTIVE_HIGH, IPT_UNUSED)
INPUT_PORTS_END
//-------------------------------------------------
// sn76496_config psg_intf
//-------------------------------------------------
static const sn76496_config psg_intf =
{
DEVCB_NULL
};
#if MODERN
static TMS9995_CONFIG( cpuconf95 )
{
DEVCB_NULL, // external op
DEVCB_NULL, // Instruction acquisition
DEVCB_NULL, // clock out
DEVCB_NULL, // HOLDA
DEVCB_NULL, // DBIN
INTERNAL_RAM, // use internal RAM
NO_OVERFLOW_INT // The generally available versions of TMS9995 have a deactivated overflow interrupt
};
#else
static const struct tms9995reset_param tutor_processor_config =
{
#if 0
@ -741,26 +779,19 @@ static const struct tms9995reset_param tutor_processor_config =
1, /* enable automatic wait state generation */
NULL /* no IDLE callback */
};
//-------------------------------------------------
// sn76496_config psg_intf
//-------------------------------------------------
static const sn76496_config psg_intf =
{
DEVCB_NULL
};
#endif
static MACHINE_CONFIG_START( tutor, tutor_state )
/* basic machine hardware */
/* TMS9995 CPU @ 10.7 MHz */
#if MODERN
MCFG_TMS99xx_ADD("maincpu", TMS9995, 10700000, tutor_memmap, tutor_io, cpuconf95)
#else
MCFG_CPU_ADD("maincpu", TMS9995L, 10700000)
MCFG_CPU_CONFIG(tutor_processor_config)
MCFG_CPU_PROGRAM_MAP(tutor_memmap)
MCFG_CPU_IO_MAP(tutor_io)
#endif
/* video hardware */
MCFG_TMS9928A_ADD( "tms9928a", TMS9928A, tutor_tms9928a_interface )