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Diffstat (limited to 'src/mess/drivers/tispeak.c')
-rw-r--r--src/mess/drivers/tispeak.c176
1 files changed, 97 insertions, 79 deletions
diff --git a/src/mess/drivers/tispeak.c b/src/mess/drivers/tispeak.c
index a6f9289e099..b65d99f8f74 100644
--- a/src/mess/drivers/tispeak.c
+++ b/src/mess/drivers/tispeak.c
@@ -13,9 +13,6 @@
#include "tispeak.lh"
-// master clock is unknown
-#define MASTER_CLOCK (500000)
-
class tispeak_state : public driver_device
{
@@ -32,12 +29,13 @@ public:
UINT16 m_r;
UINT16 m_o;
- UINT16 m_leds_state[8];
+ UINT16 m_leds_state[9];
void leds_update();
- DECLARE_READ8_MEMBER(read_k);
- DECLARE_WRITE16_MEMBER(write_o);
- DECLARE_WRITE16_MEMBER(write_r);
+ DECLARE_READ8_MEMBER(snspell_read_k);
+ DECLARE_WRITE16_MEMBER(snmath_write_o);
+ DECLARE_WRITE16_MEMBER(snspell_write_o);
+ DECLARE_WRITE16_MEMBER(snspell_write_r);
DECLARE_WRITE_LINE_MEMBER(auto_power_off);
virtual void machine_start();
@@ -47,25 +45,35 @@ public:
/***************************************************************************
- I/O
+ LEDs
***************************************************************************/
+
void tispeak_state::leds_update()
{
// update leds state
- for (int i = 0; i < 8; i++)
+ for (int i = 0; i < 9; i++)
if (m_r >> i & 1)
m_leds_state[i] = m_o & 0x3fff;
// if filament (R15) is on, send to output
// if (m_r & 0x8000) // blank..
- for (int i = 0; i < 8; i++)
+ for (int i = 0; i < 9; i++)
output_set_digit_value(i, m_leds_state[i]);
}
-READ8_MEMBER(tispeak_state::read_k)
+
+/***************************************************************************
+
+ I/O
+
+***************************************************************************/
+
+// common/snspell
+
+READ8_MEMBER(tispeak_state::snspell_read_k)
{
// the Vss row is always on
UINT8 k = m_button_matrix[8]->read();
@@ -78,24 +86,40 @@ READ8_MEMBER(tispeak_state::read_k)
return k;
}
-WRITE16_MEMBER(tispeak_state::write_r)
+WRITE16_MEMBER(tispeak_state::snspell_write_r)
{
m_r = data;
leds_update();
}
-WRITE16_MEMBER(tispeak_state::write_o)
+WRITE16_MEMBER(tispeak_state::snspell_write_o)
{
- m_o = data;
+ // reorder opla to led14seg, plus DP as d14 and AP as d15:
+ // E,D,C,G,B,A,I,M,L,K,N,J,[AP],H,F,[DP] (sidenote: TI KLMN = MAME MLNK)
+ m_o = BITSWAP16(data,12,15,10,7,8,9,11,6,13,3,14,0,1,2,4,5);
+
leds_update();
}
+
WRITE_LINE_MEMBER(tispeak_state::auto_power_off)
{
//if (state) printf("X");
}
+// snmath specific
+
+WRITE16_MEMBER(tispeak_state::snmath_write_o)
+{
+ // reorder opla to led14seg, plus DP as d14 and AP as d15:
+ // [DP],D,C,H,F,B,I,M,L,K,N,J,[AP],E,G,A (sidenote: TI KLMN = MAME MLNK)
+ m_o = BITSWAP16(data,12,0,10,7,8,9,11,6,3,14,4,13,1,2,5,15);
+
+ leds_update();
+}
+
+
/***************************************************************************
@@ -147,11 +171,7 @@ static INPUT_PORTS_START( snspell )
PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_ENTER) PORT_NAME("Enter")
PORT_START("IN.6") // R6
- PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_1_PAD) // unused
- PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_2_PAD) // unused
- PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_3_PAD) // unused
- PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_4_PAD) // unused
- PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_5_PAD) // unused
+ PORT_BIT( 0x1f, IP_ACTIVE_HIGH, IPT_UNUSED )
PORT_START("IN.7") // R7
PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_PGDN) PORT_NAME("Off")
@@ -171,67 +191,59 @@ INPUT_PORTS_END
static INPUT_PORTS_START( snmath )
PORT_START("IN.0") // R0
- PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_1) // 0
- PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_2) // 3
- PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_3) // 6
- PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_4) // 9
- PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_1_PAD) // .
+ PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_0) PORT_CODE(KEYCODE_0_PAD) PORT_NAME("0")
+ PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_3) PORT_CODE(KEYCODE_3_PAD) PORT_NAME("3")
+ PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_6) PORT_CODE(KEYCODE_6_PAD) PORT_NAME("6")
+ PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_9) PORT_CODE(KEYCODE_9_PAD) PORT_NAME("9")
+ PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_DEL_PAD) PORT_NAME(".")
PORT_START("IN.1") // R1
- PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_5) // 1
- PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_6) // 4
- PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_7) // 7
- PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_8)
- PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_2_PAD)
+ PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_1) PORT_CODE(KEYCODE_1_PAD) PORT_NAME("1")
+ PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_4) PORT_CODE(KEYCODE_4_PAD) PORT_NAME("4")
+ PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_7) PORT_CODE(KEYCODE_7_PAD) PORT_NAME("7")
+ PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_UNUSED )
+ PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_UNUSED )
PORT_START("IN.2") // R2
- PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_9) // 2
- PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_0) // 5
- PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_Q) // 8
- PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_W)
- PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_3_PAD)
+ PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_2) PORT_CODE(KEYCODE_2_PAD) PORT_NAME("2")
+ PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_5) PORT_CODE(KEYCODE_5_PAD) PORT_NAME("5")
+ PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_8) PORT_CODE(KEYCODE_8_PAD) PORT_NAME("8")
+ PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_UNUSED )
+ PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_UNUSED )
PORT_START("IN.3") // R3
- PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_E)
- PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_R) // ent
- PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_T) // go
- PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_Y) // off
- PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_4_PAD)
+ PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_UNUSED )
+ PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_ENTER) PORT_CODE(KEYCODE_ENTER_PAD) PORT_NAME("Enter")
+ PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_Q) PORT_NAME("Go")
+ PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_PGDN) PORT_NAME("Off")
+ PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_UNUSED )
PORT_START("IN.4") // R4
- PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_U) // clr
- PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_I) // <
- PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_O) // >
- PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_A) // rpt
- PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_5_PAD)
+ PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_DEL) PORT_CODE(KEYCODE_BACKSPACE) PORT_NAME("Clear")
+ PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_COMMA) PORT_NAME("<")
+ PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_STOP) PORT_NAME(">")
+ PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_W) PORT_NAME("Repeat")
+ PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_UNUSED )
PORT_START("IN.5") // R5
- PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_S) // +
- PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_D) // -
- PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_F) // x
- PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_G) // /
- PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_6_PAD) // mix
+ PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_PLUS_PAD) PORT_NAME("+")
+ PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_MINUS_PAD) PORT_NAME("-")
+ PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_ASTERISK) PORT_NAME(UTF8_MULTIPLY)
+ PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_SLASH_PAD) PORT_NAME(UTF8_DIVIDE)
+ PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_E) PORT_NAME("Mix It")
PORT_START("IN.6") // R6
- PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_H) // num stum
- PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_J) // write it
- PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_K) // g/l
- PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_L) // word prob
- PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_7_PAD) // solve it/on
+ PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_I) PORT_NAME("Number Stumper")
+ PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_U) PORT_NAME("Write It")
+ PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_Y) PORT_NAME("Greater/Less")
+ PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_T) PORT_NAME("Word Problems")
+ PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_R) PORT_CODE(KEYCODE_PGUP) PORT_NAME("Solve It/On")
- PORT_START("IN.7") // R7
- PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_Z)
- PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_X)
- PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_C)
- PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_V)
- PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_8_PAD)
+ PORT_START("IN.7")
+ PORT_BIT( 0x1f, IP_ACTIVE_HIGH, IPT_UNUSED )
- PORT_START("IN.8") // Vss!
- PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_B)
- PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_N)
- PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_M)
- PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_COMMA)
- PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_9_PAD)
+ PORT_START("IN.8")
+ PORT_BIT( 0x1f, IP_ACTIVE_HIGH, IPT_UNUSED )
INPUT_PORTS_END
@@ -254,13 +266,13 @@ void tispeak_state::machine_start()
}
-static MACHINE_CONFIG_START( tispeak, tispeak_state )
+static MACHINE_CONFIG_START( snspell, tispeak_state )
/* basic machine hardware */
MCFG_CPU_ADD("maincpu", TMS0270, XTAL_640kHz/2)
- 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_TMS1XXX_READ_K_CB(READ8(tispeak_state, snspell_read_k))
+ MCFG_TMS1XXX_WRITE_O_CB(WRITE16(tispeak_state, snspell_write_o))
+ MCFG_TMS1XXX_WRITE_R_CB(WRITE16(tispeak_state, snspell_write_r))
MCFG_TMS1XXX_POWER_OFF_CB(WRITELINE(tispeak_state, auto_power_off))
MCFG_TMS0270_READ_CTL_CB(DEVREAD8("tms5100", tms5100_device, ctl_r))
@@ -282,7 +294,13 @@ static MACHINE_CONFIG_START( tispeak, tispeak_state )
MCFG_TMS5110_DATA_CB(DEVREADLINE("tms6100", tms6100_device, tms6100_data_r))
MCFG_TMS5110_ROMCLK_CB(DEVWRITELINE("tms6100", tms6100_device, tms6100_romclock_w))
MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 1.0)
-
+MACHINE_CONFIG_END
+
+static MACHINE_CONFIG_DERIVED( snmath, snspell )
+
+ /* basic machine hardware */
+ MCFG_CPU_MODIFY("maincpu")
+ MCFG_TMS1XXX_WRITE_O_CB(WRITE16(tispeak_state, snmath_write_o))
MACHINE_CONFIG_END
@@ -295,14 +313,14 @@ MACHINE_CONFIG_END
ROM_START( snspell )
ROM_REGION( 0x1000, "maincpu", 0 )
- ROM_LOAD( "us4189779_tmc0271", 0x0000, 0x1000, BAD_DUMP CRC(d3f5a37d) SHA1(f75ab617a6067d4d3a954a9f86126d2089554df8) ) // from patent 4189779, may have errors
+ ROM_LOAD( "us4189779_tmc0271", 0x0000, 0x1000, BAD_DUMP CRC(d3f5a37d) SHA1(f75ab617a6067d4d3a954a9f86126d2089554df8) ) // typed in from patent 4189779, may have errors
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( "tms0270_cd2708_mpla.pla", 0, 2127, BAD_DUMP CRC(94333005) SHA1(1583444c73637d859632dd5186cd7e1a2588c78a) ) // taken from cd2708, need to verify if it's same as tmc0271
+ ROM_LOAD( "tms0270_cd2708_mpla.pla", 0, 2127, BAD_DUMP CRC(504b96bb) SHA1(67b691e7c0b97239410587e50e5182bf46475b43) ) // taken from cd2708, need to verify if it's same as tmc0271
ROM_REGION( 1246, "maincpu:opla", 0 )
- ROM_LOAD( "tms0270_cd2708_opla.pla", 0, 1246, BAD_DUMP CRC(e70836e2) SHA1(70e7dcdf81ae2052874fb21c504fcc06b2649f9a) ) // "
+ ROM_LOAD( "tms0270_tmc0271_opla.pla", 0, 1246, CRC(9ebe12ab) SHA1(acb4e07ba26f2daca5f1c234885ac0371c7ce87f) )
ROM_REGION( 0x8000, "tms6100", 0 )
ROM_LOAD( "tmc0351.vsm", 0x0000, 0x4000, CRC(beea3373) SHA1(8b0f7586d2f12c3d4a885fdb528cf23feffa1a3b) )
@@ -311,14 +329,14 @@ ROM_END
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_LOAD( "us4946391_t2074", 0x0000, 0x1000, BAD_DUMP CRC(011f0c2d) SHA1(d2e14d72e03ca864abd51da78ffb71a9da82f624) ) // typed in from patent 4946391, verified with source code (mark BAD_DUMP just to be unsure)
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( "tms0270_cd2708_mpla.pla", 0, 2127, BAD_DUMP CRC(94333005) SHA1(1583444c73637d859632dd5186cd7e1a2588c78a) ) // taken from cd2708, need to verify if it's same as cd2704
+ ROM_LOAD( "tms0270_cd2708_mpla.pla", 0, 2127, BAD_DUMP CRC(504b96bb) SHA1(67b691e7c0b97239410587e50e5182bf46475b43) ) // taken from cd2708, need to verify if it's same as cd2704
ROM_REGION( 1246, "maincpu:opla", 0 )
- ROM_LOAD( "tms0270_cd2708_opla.pla", 0, 1246, BAD_DUMP CRC(e70836e2) SHA1(70e7dcdf81ae2052874fb21c504fcc06b2649f9a) ) // "
+ ROM_LOAD( "tms0270_cd2708_opla.pla", 0, 1246, BAD_DUMP CRC(1abad753) SHA1(53d20b519ed73ce248368047a056836afbe3cd46) ) // "
ROM_REGION( 0x8000, "tms6100", 0 )
ROM_LOAD( "cd2392.vsm", 0x0000, 0x4000, CRC(4ed2e920) SHA1(8896f29e25126c1e4d9a47c9a325b35dddecc61f) )
@@ -326,5 +344,5 @@ ROM_START( snmath )
ROM_END
-COMP( 1978, snspell, 0, 0, tispeak, snspell, driver_device, 0, "Texas Instruments", "Speak & Spell (US, prototype)", GAME_NOT_WORKING )
-COMP( 1980, snmath, 0, 0, tispeak, snmath, driver_device, 0, "Texas Instruments", "Speak & Math (US, prototype)", GAME_NOT_WORKING )
+COMP( 1978, snspell, 0, 0, snspell, snspell, driver_device, 0, "Texas Instruments", "Speak & Spell (US, prototype)", GAME_NOT_WORKING )
+COMP( 1980, snmath, 0, 0, snmath, snmath, driver_device, 0, "Texas Instruments", "Speak & Math (US, prototype)", GAME_NOT_WORKING )