diff options
Diffstat (limited to 'src/mame/drivers/nss.c')
-rw-r--r-- | src/mame/drivers/nss.c | 46 |
1 files changed, 23 insertions, 23 deletions
diff --git a/src/mame/drivers/nss.c b/src/mame/drivers/nss.c index aea807121e0..b301ed436d1 100644 --- a/src/mame/drivers/nss.c +++ b/src/mame/drivers/nss.c @@ -358,13 +358,13 @@ static READ8_HANDLER( nss_eeprom_r ) static WRITE8_HANDLER( nss_eeprom_w ) { /* - x--- ---- EEPROM CS bit? - ---x ---- EEPROM clock bit? - ---- x--- EEPROM write bit - ---- ---x EEPROM reset bit? (active low) - */ + x--- ---- EEPROM CS bit? + ---x ---- EEPROM clock bit? + ---- x--- EEPROM write bit + ---- ---x EEPROM reset bit? (active low) + */ -// printf("EEPROM write %02x\n",data); +// printf("EEPROM write %02x\n",data); } static UINT8 m50458_rom_bank; @@ -413,8 +413,8 @@ ADDRESS_MAP_END static READ8_HANDLER( port00_r ) { /* - -x-- ---- almost certainly tied to the vblank signal - */ + -x-- ---- almost certainly tied to the vblank signal + */ static UINT8 vblank_bit; @@ -432,9 +432,9 @@ static READ8_HANDLER( port01_r ) static READ8_HANDLER( port02_r ) { /* - ---- -x-- (makes the BIOS to jump at 0x4258, sets 0x80 bit 1 and then jumps to unmapped area of the BIOS (bankswitch?)) - ---- ---x - */ + ---- -x-- (makes the BIOS to jump at 0x4258, sets 0x80 bit 1 and then jumps to unmapped area of the BIOS (bankswitch?)) + ---- ---x + */ return 0xfb; } @@ -442,10 +442,10 @@ static READ8_HANDLER( port02_r ) static READ8_HANDLER( port03_r ) { /* - x--- ---- EEPROM2 read bit - ---- ---x tested at 7006, some status bit + x--- ---- EEPROM2 read bit + ---- ---x tested at 7006, some status bit - */ + */ return 0xfe; } @@ -453,10 +453,10 @@ static READ8_HANDLER( port03_r ) static WRITE8_HANDLER( port80_w ) { /* - ---- x--- written when 0x9000-0x9fff is read, probably a bankswitch - ---- --x- see port 0x02 note - ---- ---x BIOS bankswitch - */ + ---- x--- written when 0x9000-0x9fff is read, probably a bankswitch + ---- --x- see port 0x02 note + ---- ---x BIOS bankswitch + */ memory_set_bank(space->machine, "bank1", data & 1); m50458_rom_bank = data & 8; @@ -465,10 +465,10 @@ static WRITE8_HANDLER( port80_w ) static WRITE8_HANDLER( port82_w ) // EEPROM2? { /* - ---- x--- EEPROM2 clock bit? - ---- -x-- EEPROM2 write bit - ---- --x- EEPROM2 CS bit? - */ + ---- x--- EEPROM2 clock bit? + ---- -x-- EEPROM2 write bit + ---- --x- EEPROM2 CS bit? + */ } static ADDRESS_MAP_START( bios_io_map, ADDRESS_SPACE_IO, 8 ) @@ -651,7 +651,7 @@ static MACHINE_DRIVER_START( nss ) MDRV_CPU_PROGRAM_MAP(bios_map) MDRV_CPU_IO_MAP(bios_io_map) MDRV_CPU_VBLANK_INT("screen", nmi_line_pulse) -// MDRV_CPU_FLAGS(CPU_DISABLE) +// MDRV_CPU_FLAGS(CPU_DISABLE) MDRV_MACHINE_START( nss ) MACHINE_DRIVER_END |