diff options
Diffstat (limited to 'src/mame/drivers/wiping.cpp')
-rw-r--r-- | src/mame/drivers/wiping.cpp | 18 |
1 files changed, 11 insertions, 7 deletions
diff --git a/src/mame/drivers/wiping.cpp b/src/mame/drivers/wiping.cpp index d4decce4766..bfb25918b7f 100644 --- a/src/mame/drivers/wiping.cpp +++ b/src/mame/drivers/wiping.cpp @@ -9,6 +9,10 @@ Allard van der Bas (allard@mindless.com) 1 x Z80 CPU main game, 1 x Z80 with ???? sound hardware. + +Given the similarities with clshroad.cpp this was probably developed by +Masao Suzuki, who later left Nichibutsu to form Woodplace Inc. + ---------------------------------------------------------------------------- Main processor : @@ -45,6 +49,7 @@ dip: 6.7 7.7 #include "screen.h" #include "speaker.h" +#define MASTER_CLOCK XTAL(18'432'000) void wiping_state::machine_start() { @@ -287,14 +292,16 @@ INTERRUPT_GEN_MEMBER(wiping_state::sound_timer_irq) void wiping_state::wiping(machine_config &config) { /* basic machine hardware */ - Z80(config, m_maincpu, 18432000/6); /* 3.072 MHz */ + Z80(config, m_maincpu, MASTER_CLOCK / 6); /* 3.072 MHz */ m_maincpu->set_addrmap(AS_PROGRAM, &wiping_state::main_map); m_maincpu->set_vblank_int("screen", FUNC(wiping_state::vblank_irq)); - Z80(config, m_audiocpu, 18432000/6); /* 3.072 MHz */ + Z80(config, m_audiocpu, MASTER_CLOCK / 6); /* 3.072 MHz */ m_audiocpu->set_addrmap(AS_PROGRAM, &wiping_state::sound_map); m_audiocpu->set_periodic_int(FUNC(wiping_state::sound_timer_irq), attotime::from_hz(120)); /* periodic interrupt, don't know about the frequency */ + config.set_maximum_quantum(attotime::from_hz(MASTER_CLOCK / 6 / 512)); // 6000 Hz + ls259_device &mainlatch(LS259(config, "mainlatch")); // 5A mainlatch.q_out_cb<0>().set(FUNC(wiping_state::main_irq_mask_w)); // INT1 mainlatch.q_out_cb<1>().set(FUNC(wiping_state::sound_irq_mask_w)); // INT2 @@ -305,10 +312,7 @@ void wiping_state::wiping(machine_config &config) /* video hardware */ screen_device &screen(SCREEN(config, "screen", SCREEN_TYPE_RASTER)); - screen.set_refresh_hz(60); - screen.set_vblank_time(ATTOSECONDS_IN_USEC(0)); - screen.set_size(36*8, 28*8); - screen.set_visarea(0*8, 36*8-1, 0*8, 28*8-1); + screen.set_raw(MASTER_CLOCK / 3, 384, 0, 288, 264, 0, 224); // unknown, single XTAL on PCB & 288x224 suggests 60.606060 Hz like Galaxian HW screen.set_screen_update(FUNC(wiping_state::screen_update)); screen.set_palette(m_palette); @@ -318,7 +322,7 @@ void wiping_state::wiping(machine_config &config) /* sound hardware */ SPEAKER(config, "mono").front_center(); - WIPING_CUSTOM(config, "wiping", 96000).add_route(ALL_OUTPUTS, "mono", 1.0); + WIPING_CUSTOM(config, "wiping", 96000 / 2).add_route(ALL_OUTPUTS, "mono", 1.0); // 48000 Hz? } |