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Diffstat (limited to 'src/mame/drivers/nitedrvr.cpp')
-rw-r--r--src/mame/drivers/nitedrvr.cpp8
1 files changed, 3 insertions, 5 deletions
diff --git a/src/mame/drivers/nitedrvr.cpp b/src/mame/drivers/nitedrvr.cpp
index dfb1c4e747e..62485722bf4 100644
--- a/src/mame/drivers/nitedrvr.cpp
+++ b/src/mame/drivers/nitedrvr.cpp
@@ -143,7 +143,7 @@ GFXDECODE_END
MACHINE_CONFIG_START(nitedrvr_state::nitedrvr)
/* basic machine hardware */
- MCFG_DEVICE_ADD("maincpu", M6502, XTAL(12'096'000)/12) // 1 MHz
+ MCFG_DEVICE_ADD("maincpu", M6502, 12.096_MHz_XTAL / 12) // 1 MHz
MCFG_DEVICE_PROGRAM_MAP(nitedrvr_map)
MCFG_DEVICE_VBLANK_INT_DRIVER("screen", nitedrvr_state, irq0_line_hold)
@@ -154,10 +154,8 @@ MACHINE_CONFIG_START(nitedrvr_state::nitedrvr)
/* video hardware */
MCFG_SCREEN_ADD("screen", RASTER)
- MCFG_SCREEN_REFRESH_RATE(57) // how is this derived?
- MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(2500) /* not accurate */)
- MCFG_SCREEN_SIZE(32*8, 32*8)
- MCFG_SCREEN_VISIBLE_AREA(0*8, 32*8-1, 0*8, 32*8-1)
+ MCFG_SCREEN_RAW_PARAMS(12.096_MHz_XTAL / 2, 384, 0, 256, 278, 0, 256) // ~57 Hz
+ // PROM derives VRESET, VBLANK, VSYNC, IRQ from vertical scan count and last VBLANK
MCFG_SCREEN_UPDATE_DRIVER(nitedrvr_state, screen_update_nitedrvr)
MCFG_SCREEN_PALETTE("palette")