diff options
Diffstat (limited to 'src')
-rw-r--r-- | src/mame/drivers/exedexes.cpp | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/src/mame/drivers/exedexes.cpp b/src/mame/drivers/exedexes.cpp index 8d7f73b1454..7a18e98275f 100644 --- a/src/mame/drivers/exedexes.cpp +++ b/src/mame/drivers/exedexes.cpp @@ -210,11 +210,11 @@ void exedexes_state::machine_reset() void exedexes_state::exedexes(machine_config &config) { /* basic machine hardware */ - Z80(config, m_maincpu, 4000000); /* 4 MHz (?) */ + Z80(config, m_maincpu, 12_MHz_XTAL / 4); // 3 MHz, verified on PCB m_maincpu->set_addrmap(AS_PROGRAM, &exedexes_state::exedexes_map); TIMER(config, "scantimer").configure_scanline(FUNC(exedexes_state::scanline), "screen", 0, 1); - z80_device &audiocpu(Z80(config, "audiocpu", 3000000)); /* 3 MHz ??? */ + z80_device &audiocpu(Z80(config, "audiocpu", 12_MHz_XTAL / 4)); // 3 MHz, verified on PCB audiocpu.set_addrmap(AS_PROGRAM, &exedexes_state::sound_map); audiocpu.set_periodic_int(FUNC(exedexes_state::irq0_line_hold), attotime::from_hz(4*60)); @@ -222,7 +222,7 @@ void exedexes_state::exedexes(machine_config &config) BUFFERED_SPRITERAM8(config, m_spriteram); screen_device &screen(SCREEN(config, "screen", SCREEN_TYPE_RASTER)); - screen.set_refresh_hz(60); + screen.set_refresh_hz(59.60); // verified on PCB screen.set_vblank_time(ATTOSECONDS_IN_USEC(0)); screen.set_size(32*8, 32*8); screen.set_visarea(0*8, 32*8-1, 2*8, 30*8-1); |