diff options
Diffstat (limited to 'src/mame/drivers/wmg.cpp')
-rw-r--r-- | src/mame/drivers/wmg.cpp | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/src/mame/drivers/wmg.cpp b/src/mame/drivers/wmg.cpp index f047d0b921d..034c80ea155 100644 --- a/src/mame/drivers/wmg.cpp +++ b/src/mame/drivers/wmg.cpp @@ -421,7 +421,6 @@ MACHINE_RESET_MEMBER( wmg_state, wmg ) m_wmg_port_select=0; m_wmg_vram_bank=0; wmg_c400_w( space1, 0, 0); - MACHINE_RESET_CALL_MEMBER(williams_common); m_maincpu->reset(); } @@ -503,8 +502,11 @@ MACHINE_CONFIG_START(wmg_state::wmg) MCFG_MACHINE_RESET_OVERRIDE(wmg_state, wmg) MCFG_NVRAM_ADD_0FILL("nvram") - MCFG_TIMER_DRIVER_ADD("scan_timer", williams_state, williams_va11_callback) - MCFG_TIMER_DRIVER_ADD("240_timer", williams_state, williams_count240_callback) + // set a timer to go off every 32 scanlines, to toggle the VA11 line and update the screen + MCFG_TIMER_DRIVER_ADD_SCANLINE("scan_timer", williams_state, williams_va11_callback, "screen", 0, 32) + + // also set a timer to go off on scanline 240 + MCFG_TIMER_DRIVER_ADD_SCANLINE("240_timer", williams_state, williams_count240_callback, "screen", 0, 240) MCFG_WATCHDOG_ADD("watchdog") |