From 0a3d96d6f029144aad4ec2c885f260b3af3a2eae Mon Sep 17 00:00:00 2001 From: hap Date: Mon, 10 Nov 2014 18:06:28 +0100 Subject: [PATCH] (MESS) Added preliminary driver for TI Wiz-A-Tron. [Sean Riddle, hap] --- src/mess/drivers/comp4.c | 7 +- src/mess/drivers/merlin.c | 2 +- src/mess/drivers/simon.c | 4 +- src/mess/drivers/wizatron.c | 136 ++++++++++++++++++++++++++++++++++++ src/mess/mess.lst | 1 + src/mess/mess.mak | 1 + 6 files changed, 144 insertions(+), 7 deletions(-) create mode 100644 src/mess/drivers/wizatron.c diff --git a/src/mess/drivers/comp4.c b/src/mess/drivers/comp4.c index 8120d4d730b..7bd9134cb29 100644 --- a/src/mess/drivers/comp4.c +++ b/src/mess/drivers/comp4.c @@ -22,10 +22,9 @@ #include "emu.h" #include "cpu/tms0980/tms0980.h" -#include "sound/speaker.h" // master clock is cpu internal, the value below is an approximation -#define COMP4_CLOCK (250000) +#define MASTER_CLOCK (250000) class comp4_state : public driver_device @@ -144,7 +143,7 @@ static const UINT16 comp4_output_pla[0x20] = static MACHINE_CONFIG_START( comp4, comp4_state ) /* basic machine hardware */ - MCFG_CPU_ADD("maincpu", TMS0970, COMP4_CLOCK) + MCFG_CPU_ADD("maincpu", TMS0970, MASTER_CLOCK) MCFG_TMS1XXX_OUTPUT_PLA(comp4_output_pla) MCFG_TMS1XXX_READ_K(READ8(comp4_state, read_k)) MCFG_TMS1XXX_WRITE_O(WRITE16(comp4_state, write_o)) @@ -164,7 +163,7 @@ MACHINE_CONFIG_END ***************************************************************************/ ROM_START( comp4 ) - ROM_REGION( 0x0800, "maincpu", ROMREGION_ERASE00 ) + ROM_REGION( 0x0400, "maincpu", 0 ) ROM_LOAD( "cp0904a", 0x0000, 0x0400, CRC(c502c8a1) SHA1(f82ff1a85c4849621d32344964d8b2233fc978d0) ) ROM_END diff --git a/src/mess/drivers/merlin.c b/src/mess/drivers/merlin.c index 3dd0e05903b..43f12592d6b 100644 --- a/src/mess/drivers/merlin.c +++ b/src/mess/drivers/merlin.c @@ -198,7 +198,7 @@ static const INT16 speaker_levels[] = { 0, 32767, 0, 32767 }; // unknown too, du static MACHINE_CONFIG_START( merlin, merlin_state ) /* basic machine hardware */ - MCFG_CPU_ADD( "maincpu", TMS1100, MERLIN_RC_CLOCK ) + MCFG_CPU_ADD("maincpu", TMS1100, MERLIN_RC_CLOCK) MCFG_TMS1XXX_OUTPUT_PLA(merlin_output_pla) MCFG_TMS1XXX_READ_K(READ8( merlin_state, read_k)) MCFG_TMS1XXX_WRITE_O(WRITE16( merlin_state, write_o)) diff --git a/src/mess/drivers/simon.c b/src/mess/drivers/simon.c index 0eb57db212f..8800af3902b 100644 --- a/src/mess/drivers/simon.c +++ b/src/mess/drivers/simon.c @@ -161,7 +161,7 @@ static const UINT16 simon_output_pla[0x20] = static MACHINE_CONFIG_START( simon, simon_state ) /* basic machine hardware */ - MCFG_CPU_ADD( "maincpu", TMS1000, SIMON_RC_CLOCK ) + MCFG_CPU_ADD("maincpu", TMS1000, SIMON_RC_CLOCK) MCFG_TMS1XXX_OUTPUT_PLA(simon_output_pla) MCFG_TMS1XXX_READ_K(READ8(simon_state, read_k)) MCFG_TMS1XXX_WRITE_O(WRITE16(simon_state, write_o)) @@ -186,7 +186,7 @@ MACHINE_CONFIG_END ***************************************************************************/ ROM_START( simon ) - ROM_REGION( 0x0800, "maincpu", ROMREGION_ERASE00 ) + ROM_REGION( 0x0400, "maincpu", 0 ) ROM_LOAD( "tms1000.u1", 0x0000, 0x0400, CRC(9961719d) SHA1(35dddb018a8a2b31f377ab49c1f0cb76951b81c0) ) ROM_END diff --git a/src/mess/drivers/wizatron.c b/src/mess/drivers/wizatron.c new file mode 100644 index 00000000000..3633c8cb8ff --- /dev/null +++ b/src/mess/drivers/wizatron.c @@ -0,0 +1,136 @@ +// license:BSD-3-Clause +// copyright-holders:hap +/*************************************************************************** + + Texas Instruments WIZ-A-TRON + * TMC0907NL ZA0379 (die labeled 0970F-07B) + + Other handhelds assumed to be on similar hardware: + - Math Magic + - Little Professor + + + TODO: + - the rom goes in an infinite loop very soon, cpu missing emulation? + +***************************************************************************/ + +#include "emu.h" +#include "cpu/tms0980/tms0980.h" + +// master clock is cpu internal, the value below is an approximation +#define MASTER_CLOCK (250000) + + +class wizatron_state : public driver_device +{ +public: + wizatron_state(const machine_config &mconfig, device_type type, const char *tag) + : driver_device(mconfig, type, tag), + m_maincpu(*this, "maincpu") + { } + + required_device m_maincpu; + + UINT16 m_r; + UINT16 m_o; + + DECLARE_READ8_MEMBER(read_k); + DECLARE_WRITE16_MEMBER(write_o); + DECLARE_WRITE16_MEMBER(write_r); + + virtual void machine_start(); +}; + + +/*************************************************************************** + + I/O + +***************************************************************************/ + +READ8_MEMBER(wizatron_state::read_k) +{ + UINT8 k = 0; + + return k; +} + +WRITE16_MEMBER(wizatron_state::write_r) +{ + m_r = data; +} + +WRITE16_MEMBER(wizatron_state::write_o) +{ + m_o = data; +} + + + +/*************************************************************************** + + Inputs + +***************************************************************************/ + +static INPUT_PORTS_START( wizatron ) +INPUT_PORTS_END + + + +/*************************************************************************** + + Machine Config + +***************************************************************************/ + +void wizatron_state::machine_start() +{ + m_r = 0; + m_o = 0; + + save_item(NAME(m_r)); + save_item(NAME(m_o)); +} + + +static const UINT16 wizatron_output_pla[0x20] = +{ + /* O output PLA configuration currently unknown */ + 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, + 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, + 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, + 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f +}; + + +static MACHINE_CONFIG_START( wizatron, wizatron_state ) + + /* basic machine hardware */ + MCFG_CPU_ADD("maincpu", TMS0970, MASTER_CLOCK) + MCFG_TMS1XXX_OUTPUT_PLA(wizatron_output_pla) + MCFG_TMS1XXX_READ_K(READ8(wizatron_state, read_k)) + MCFG_TMS1XXX_WRITE_O(WRITE16(wizatron_state, write_o)) + MCFG_TMS1XXX_WRITE_R(WRITE16(wizatron_state, write_r)) + + /* no video! */ + + /* no sound! */ +MACHINE_CONFIG_END + + + +/*************************************************************************** + + Game driver(s) + +***************************************************************************/ + +ROM_START( wizatron ) + ROM_REGION( 0x0400, "maincpu", ROMREGION_ERASE00 ) + ROM_LOAD( "za0379", 0x0000, 0x0400, CRC(5a6af094) SHA1(b1f27e1f13f4db3b052dd50fb08dbf9c4d8db26e) ) +ROM_END + + +CONS( 1977, wizatron, 0, 0, wizatron, wizatron, driver_device, 0, "Texas Instruments", "Wiz-A-Tron", GAME_NOT_WORKING | GAME_SUPPORTS_SAVE | GAME_NO_SOUND_HW ) diff --git a/src/mess/mess.lst b/src/mess/mess.lst index 19bf8dbf899..47d9fc90919 100644 --- a/src/mess/mess.lst +++ b/src/mess/mess.lst @@ -1080,6 +1080,7 @@ ti92 // 1995 TI-92 ti92p // 1999 TI-92 Plus v200 // 2002 Voyage 200 PLT ti89t // 2004 TI-89 Titanium +wizatron evmbug // Exelvision (founded by former TI employees) diff --git a/src/mess/mess.mak b/src/mess/mess.mak index 6eaedf44fd4..d55b71d9691 100644 --- a/src/mess/mess.mak +++ b/src/mess/mess.mak @@ -1708,6 +1708,7 @@ $(MESSOBJ)/thomson.a: \ $(MESSOBJ)/ti.a: \ $(MESS_DRIVERS)/avigo.o $(MESS_VIDEO)/avigo.o \ $(MESS_DRIVERS)/cc40.o \ + $(MESS_DRIVERS)/wizatron.o \ $(MESS_DRIVERS)/evmbug.o \ $(MESS_DRIVERS)/exelv.o \ $(MESS_DRIVERS)/geneve.o \