renamed pchess to kpchess, pplus to kpplus, and cpchess to pchess

Author: happppp

src/mame/cxg/computachess2.cpp

@@ -10,9 +10,12 @@ again by Intelligent Software.
 
 Hardware notes:
 - PCB label: W&A 002B-600-003
-- Hitachi HD44840 @ ~650kHz (62K resistor)
+- Hitachi 44840A14 MCU @ ~650kHz (62K resistor)
 - buzzer, 16 leds, button sensors chessboard
 
+There's also an older revision (002 600 002 PCB, separate LED PCB), the rest of
+the hardware is the same. Seen with either A13 or A14 MCU.
+
 HD44840A13/A14 MCU is used in:
 - CXG Computachess II
 - CXG Advanced Portachess (white or red version)

src/mame/cxg/pchess.cpp

@@ -200,12 +200,12 @@ void pchess_state::pchess(machine_config &config)
     ROM Definitions
 *******************************************************************************/
 
-ROM_START( cpchess )
+ROM_START( pchess )
 	ROM_REGION( 0x2000, "maincpu", 0 )
 	ROM_LOAD("1985_white_and_allcock_hd44820b63", 0x0000, 0x2000, CRC(8decfb8f) SHA1(ac216663fe72cc98607ce44c033bc4b13b309ad1) )
 
 	ROM_REGION( 57412, "screen", 0 )
-	ROM_LOAD("cpchess.svg", 0, 57412, CRC(7859b1ac) SHA1(518c5cd08fa8562628345e8e28048c01c9e4edd6) )
+	ROM_LOAD("pchess.svg", 0, 57412, CRC(7859b1ac) SHA1(518c5cd08fa8562628345e8e28048c01c9e4edd6) )
 ROM_END
 
 } // anonymous namespace
@@ -216,5 +216,5 @@ ROM_END
     Drivers
 *******************************************************************************/
 
-//    YEAR  NAME     PARENT  COMPAT  MACHINE  INPUT   CLASS         INIT        COMPANY, FULLNAME, FLAGS
-SYST( 1986, cpchess, 0,      0,      pchess,  pchess, pchess_state, empty_init, "CXG Systems / Newcrest Technology / Intelligent Chess Software", "Pocketchess (CXG)", MACHINE_SUPPORTS_SAVE )
+//    YEAR  NAME    PARENT  COMPAT  MACHINE  INPUT   CLASS         INIT        COMPANY, FULLNAME, FLAGS
+SYST( 1986, pchess, 0,      0,      pchess,  pchess, pchess_state, empty_init, "CXG Systems / Newcrest Technology / Intelligent Chess Software", "Pocketchess (CXG)", MACHINE_SUPPORTS_SAVE )

src/mame/mame.lst

@@ -16730,7 +16730,7 @@ sgalaxya
 sgalaxyb
 
 @source:cxg/pchess.cpp
-cpchess
+pchess
 
 @source:cxg/professor.cpp
 scprof
@@ -39376,10 +39376,10 @@ edames
 
 @source:saitek/electrio.cpp
 electrio
+kpchess
+kpplus
 mk12
 pcheckers
-pchess
-pplus
 
 @source:saitek/exechess.cpp
 exechess

src/mame/saitek/electrio.cpp

@@ -423,8 +423,8 @@ ROM_START( mk12 )
 	ROM_IGNORE( 0x2000 ) // ignore factory test banks
 ROM_END
 
-#define rom_pchess rom_electrio
-#define rom_pplus rom_mk12
+#define rom_kpchess rom_electrio
+#define rom_kpplus rom_mk12
 
 } // anonymous namespace
 
@@ -436,8 +436,8 @@ ROM_END
 
 //    YEAR  NAME       PARENT    COMPAT  MACHINE    INPUT      CLASS           INIT        COMPANY, FULLNAME, FLAGS
 SYST( 1985, electrio,  0,        0,      electrio,  electrio,  electrio_state, empty_init, "SciSys / Heuristic Software", "Electronic Trio", MACHINE_SUPPORTS_SAVE )
-SYST( 1985, pchess,    electrio, 0,      pchess,    pchess,    electrio_state, empty_init, "SciSys / Heuristic Software", "Kasparov Pocket Chess", MACHINE_SUPPORTS_SAVE )
+SYST( 1985, kpchess,   electrio, 0,      pchess,    pchess,    electrio_state, empty_init, "SciSys / Heuristic Software", "Kasparov Pocket Chess", MACHINE_SUPPORTS_SAVE )
 SYST( 1988, pcheckers, electrio, 0,      pcheckers, pcheckers, electrio_state, empty_init, "Saitek / Heuristic Software", "Pocket Checkers", MACHINE_SUPPORTS_SAVE )
 
 SYST( 1986, mk12,      0,        0,      mk12,      mk12,      electrio_state, empty_init, "SciSys / Heuristic Software", "Kasparov Mk 12", MACHINE_SUPPORTS_SAVE )
-SYST( 1986, pplus,     mk12,     0,      pplus,     pplus,     electrio_state, empty_init, "SciSys / Heuristic Software", "Kasparov Pocket Plus", MACHINE_SUPPORTS_SAVE )
+SYST( 1986, kpplus,    mk12,     0,      pplus,     pplus,     electrio_state, empty_init, "SciSys / Heuristic Software", "Kasparov Pocket Plus", MACHINE_SUPPORTS_SAVE )