tokio: make cpu quantum the same as bublbobl, it works fine,

slapfght: reduce quantum a bit

Author: happppp

src/mame/handheld/hh_e0c6200.cpp

@@ -7,7 +7,7 @@ Seiko Epson E0C6200-based handhelds, mostly electronic keychain toys from the
 late-1990s. The first Tamagotchi games are on this MCU.
 
 These were meant to stay on 24/7, so make sure to use save states if you want
-to play the games for a longer time.
+to play the games for a longer time or remember high scores.
 
 For most of the games, external artwork is required for the background inlays.
 For the drivers that don't have an SVG screen, use -prescale or -nofilter to

src/mame/taito/bublbobl.cpp

@@ -848,7 +848,7 @@ void bublbobl_state::tokio(machine_config &config)
 
 	TAITO68705_MCU(config, "bmcu", MAIN_XTAL/8); // 3 Mhz
 
-	config.set_perfect_quantum(m_maincpu); // is this necessary?
+	config.set_maximum_quantum(attotime::from_hz(6000));
 
 	WATCHDOG_TIMER(config, "watchdog").set_vblank_count("screen", 128); // 74LS393, counts 128 vblanks before firing watchdog; same circuit as taitosj uses
 
@@ -943,7 +943,7 @@ void bublbobl_state::bublbobl_nomcu(machine_config &config)
 	Z80(config, m_audiocpu, MAIN_XTAL/8); // 3 MHz
 	m_audiocpu->set_addrmap(AS_PROGRAM, &bublbobl_state::sound_map); // IRQs are triggered by the YM2203
 
-	config.set_maximum_quantum(attotime::from_hz(6000)); // 100 CPU slices per frame - a high value to ensure proper synchronization of the CPUs
+	config.set_maximum_quantum(attotime::from_hz(6000)); // a high value to ensure proper synchronization of the CPUs
 
 	WATCHDOG_TIMER(config, "watchdog").set_vblank_count("screen", 128); // 74LS393, counts 128 vblanks before firing watchdog; same circuit as taitosj uses
 
@@ -2127,11 +2127,11 @@ GAME( 1986, tokioo,     tokio,    tokio,     tokio,      bublbobl_state, init_co
 GAME( 1986, tokiou,     tokio,    tokio,     tokio,      bublbobl_state, init_common, ROT90, "Taito America Corporation (Romstar license)", "Tokio / Scramble Formation (US)",      MACHINE_SUPPORTS_SAVE )
 GAME( 1986, tokiob,     tokio,    tokiob,    tokio_base, bublbobl_state, init_common, ROT90, "bootleg",                                     "Tokio / Scramble Formation (bootleg)", MACHINE_SUPPORTS_SAVE )
 
-GAME( 1986, bublboblp,  bublbobl, bublboblp, bublboblp,  bublbobl_state, init_common, ROT0,  "Taito Corporation",                           "Bubble Bobble (prototype on Tokio hardware)", MACHINE_SUPPORTS_SAVE )
 GAME( 1986, bublbobl,   0,        bublbobl,  bublbobl,   bublbobl_state, init_common, ROT0,  "Taito Corporation",                           "Bubble Bobble (Japan, Ver 0.1)", MACHINE_SUPPORTS_SAVE )
 GAME( 1986, bublbobl1,  bublbobl, bublbobl,  bublbobl,   bublbobl_state, init_common, ROT0,  "Taito Corporation",                           "Bubble Bobble (Japan, Ver 0.0)", MACHINE_SUPPORTS_SAVE )
 GAME( 1986, bublboblr,  bublbobl, bublbobl,  bublbobl,   bublbobl_state, init_common, ROT0,  "Taito America Corporation (Romstar license)", "Bubble Bobble (US, Ver 5.1)",    MACHINE_SUPPORTS_SAVE ) // newest release, with mode select
 GAME( 1986, bublboblr1, bublbobl, bublbobl,  bublbobl,   bublbobl_state, init_common, ROT0,  "Taito America Corporation (Romstar license)", "Bubble Bobble (US, Ver 1.0)",    MACHINE_SUPPORTS_SAVE )
+GAME( 1986, bublboblp,  bublbobl, bublboblp, bublboblp,  bublbobl_state, init_common, ROT0,  "Taito Corporation",                           "Bubble Bobble (prototype on Tokio hardware)", MACHINE_SUPPORTS_SAVE )
 
 GAME( 1986, boblbobl,   bublbobl, boblbobl,  boblbobl,   bublbobl_state, init_common, ROT0,  "bootleg",         "Bobble Bobble (bootleg of Bubble Bobble)", MACHINE_SUPPORTS_SAVE )
 GAME( 1986, sboblbobl,  bublbobl, boblbobl,  sboblbobl,  bublbobl_state, init_common, ROT0,  "bootleg (Datsu)", "Super Bobble Bobble (bootleg, set 1)",                MACHINE_SUPPORTS_SAVE )

src/mame/taito/bublbobl.h

@@ -12,6 +12,7 @@
 #include "machine/gen_latch.h"
 #include "sound/ymopn.h"
 #include "sound/ymopl.h"
+
 #include "emupal.h"
 #include "screen.h"
 

src/mame/toaplan/slapfght.cpp

@@ -910,7 +910,7 @@ void slapfght_state::perfrman(machine_config &config)
 	m_audiocpu->set_addrmap(AS_PROGRAM, &slapfght_state::perfrman_sound_map);
 	m_audiocpu->set_periodic_int(FUNC(slapfght_state::sound_nmi), attotime::from_hz(240)); // music speed, verified
 
-	config.set_perfect_quantum(m_maincpu);
+	config.set_maximum_quantum(attotime::from_hz(m_maincpu->clock() / 4));
 
 	/* video hardware */
 	SCREEN(config, m_screen, SCREEN_TYPE_RASTER);
@@ -960,7 +960,7 @@ void slapfght_state::tigerh(machine_config &config)
 
 	TAITO68705_MCU_TIGER(config, m_bmcu, 36_MHz_XTAL/12); // 3MHz
 
-	config.set_perfect_quantum(m_maincpu);
+	config.set_maximum_quantum(attotime::from_hz(m_maincpu->clock() / 4));
 
 	/* video hardware */
 	SCREEN(config, m_screen, SCREEN_TYPE_RASTER);
@@ -1043,7 +1043,7 @@ void slapfght_state::slapfigh(machine_config &config)
 	m_bmcu->aux_out_cb<5>().set(FUNC(slapfght_state::flipscreen_w));
 	m_bmcu->aux_strobe_cb().set(FUNC(slapfght_state::scroll_from_mcu_w));
 
-	config.set_perfect_quantum(m_maincpu);
+	config.set_maximum_quantum(attotime::from_hz(m_maincpu->clock() / 4));
 
 	/* video hardware */
 	SCREEN(config, m_screen, SCREEN_TYPE_RASTER);