tispeak.c skeleton driver

src/mess/drivers/tispeak.c

@@ -0,0 +1,127 @@
+// license:BSD-3-Clause
+// copyright-holders:hap
+/***************************************************************************
+
+  Texas Instruments Speak & Spell hardware
+
+***************************************************************************/
+
+#include "emu.h"
+#include "cpu/tms0980/tms0980.h"
+
+#include "tispeak.lh"
+
+// master clock is unknown
+#define MASTER_CLOCK (500000)
+
+
+class tispeak_state : public driver_device
+{
+public:
+	tispeak_state(const machine_config &mconfig, device_type type, const char *tag)
+		: driver_device(mconfig, type, tag),
+		m_maincpu(*this, "maincpu")
+	{ }
+
+	required_device<tms0270_cpu_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(tispeak_state::read_k)
+{
+	return 0;
+}
+
+WRITE16_MEMBER(tispeak_state::write_r)
+{
+	m_r = data;
+}
+
+WRITE16_MEMBER(tispeak_state::write_o)
+{
+	m_o = data;
+}
+
+
+
+/***************************************************************************
+
+  Inputs
+
+***************************************************************************/
+
+static INPUT_PORTS_START( tispeak )
+INPUT_PORTS_END
+
+
+
+/***************************************************************************
+
+  Machine Config
+
+***************************************************************************/
+
+void tispeak_state::machine_start()
+{
+	m_r = 0;
+	m_o = 0;
+
+	save_item(NAME(m_r));
+	save_item(NAME(m_o));
+}
+
+
+static MACHINE_CONFIG_START( tispeak, tispeak_state )
+
+	/* basic machine hardware */
+	MCFG_CPU_ADD("maincpu", TMS0270, MASTER_CLOCK)
+	MCFG_TMS1XXX_READ_K_CB(READ8(tispeak_state, read_k))
+	MCFG_TMS1XXX_WRITE_O_CB(WRITE16(tispeak_state, write_o))
+	MCFG_TMS1XXX_WRITE_R_CB(WRITE16(tispeak_state, write_r))
+	
+	MCFG_DEFAULT_LAYOUT(layout_tispeak)
+
+	/* no video! */
+
+	/* sound hardware */
+//	MCFG_SPEAKER_STANDARD_MONO("mono")
+MACHINE_CONFIG_END
+
+
+
+/***************************************************************************
+
+  Game driver(s)
+
+***************************************************************************/
+
+ROM_START( snmath )
+	ROM_REGION( 0x1000, "maincpu", 0 )
+	ROM_LOAD( "us4946391_t2074", 0x0000, 0x1000, CRC(011f0c2d) SHA1(d2e14d72e03ca864abd51da78ffb71a9da82f624) ) // from patent 4946391, verified with source code
+
+	ROM_REGION( 1246, "maincpu:ipla", 0 )
+	ROM_LOAD( "tms0980_default_ipla.pla", 0, 1246, CRC(42db9a38) SHA1(2d127d98028ec8ec6ea10c179c25e447b14ba4d0) )
+	ROM_REGION( 2127, "maincpu:mpla", 0 )
+	ROM_LOAD( "tmc0270_cd2708_mpla.pla", 0, 2127, BAD_DUMP CRC(94333005) SHA1(1583444c73637d859632dd5186cd7e1a2588c78a) ) // taken from cd2708, need to verify if it's same as cd2704
+	ROM_REGION( 1246, "maincpu:opla", 0 )
+	ROM_LOAD( "tmc0270_cd2708_opla.pla", 0, 1246, BAD_DUMP CRC(e70836e2) SHA1(70e7dcdf81ae2052874fb21c504fcc06b2649f9a) ) // "
+ROM_END
+
+
+COMP( 1980, snmath,  0, 0, tispeak, tispeak, driver_device, 0, "Texas Instruments", "Speak & Math (US, prototype)", GAME_NO_SOUND | GAME_NOT_WORKING )

src/mess/layout/tispeak.lay

@@ -0,0 +1,13 @@
+<?xml version="1.0"?>
+<mamelayout version="2">
+
+<!-- define elements -->
+
+
+<!-- build screen -->
+
+	<view name="Internal Layout">
+		<bounds left="0" right="100" top="0" bottom="100" />
+
+	</view>
+</mamelayout>

src/mess/mess.lst

@@ -1062,6 +1062,9 @@ avigo_fr     // 1997 Avigo (French)
 avigo_es     // 1997 Avigo (Spanish)
 avigo_it     // 1997 Avigo (Italian)
 
+// TI Speak & Spell
+snmath
+
 // Texas Instruments Calculators
 tisr16    // 1974 SR-16
 ti1270

src/mess/mess.mak

@@ -1730,6 +1730,7 @@ $(MESSOBJ)/ti.a:                \
 	$(MESS_DRIVERS)/exelv.o     \
 	$(MESS_DRIVERS)/geneve.o    \
 	$(MESS_DRIVERS)/ticalc1x.o  \
+	$(MESS_DRIVERS)/tispeak.o   \
 	$(MESS_DRIVERS)/ti74.o      \
 	$(MESS_DRIVERS)/ti85.o $(MESS_MACHINE)/ti85.o $(MESS_VIDEO)/ti85.o \
 	$(MESS_DRIVERS)/ti89.o      \
@@ -2177,6 +2178,7 @@ $(MESS_DRIVERS)/ticalc1x.o: $(MESS_LAYOUT)/ti1270.lh \
 							$(MESS_LAYOUT)/ti30.lh \
 							$(MESS_LAYOUT)/tisr16.lh \
 							$(MESS_LAYOUT)/wizatron.lh
+$(MESS_DRIVERS)/tispeak.o:  $(MESS_LAYOUT)/tispeak.lh
 $(MESS_DRIVERS)/tk80.o:     $(MESS_LAYOUT)/tk80.lh
 $(MESS_DRIVERS)/tm990189.o: $(MESS_LAYOUT)/tm990189.lh \
 							$(MESS_LAYOUT)/tm990189v.lh