diff options
Diffstat (limited to 'src/mame/drivers/beezer.cpp')
-rw-r--r-- | src/mame/drivers/beezer.cpp | 32 |
1 files changed, 16 insertions, 16 deletions
diff --git a/src/mame/drivers/beezer.cpp b/src/mame/drivers/beezer.cpp index e4a8ff812b7..cc6e0a58bd8 100644 --- a/src/mame/drivers/beezer.cpp +++ b/src/mame/drivers/beezer.cpp @@ -3,23 +3,23 @@ // thanks-to: Jonathan Gevaryahu /*************************************************************************** - Beezer + Beezer - (c) 1982 Tong Electronic + (c) 1982 Tong Electronic - Notes: - - To enter test mode, hold down 1P Start and 2P Start, then reset - - One of the ROMs contains a message that this game was created - by "Pacific Polytechnical Corporation, Santa Cruz" + Notes: + - To enter test mode, hold down 1P Start and 2P Start, then reset + - One of the ROMs contains a message that this game was created + by "Pacific Polytechnical Corporation, Santa Cruz" - TODO: - - Improve sound (filters? A reference recording would be nice) - - Schematics in the sound area seem incomplete, there are - several unknown connections - - Watchdog timing (controlled by a 555) - - Figure out differences between the two sets (test mode isn't - working in beezer1, instruction screen is different) - - Verify accuracy of colors + TODO: + - Improve sound (filters? A reference recording would be nice) + - Schematics in the sound area seem incomplete, there are + several unknown connections + - Watchdog timing (controlled by a 555) + - Figure out differences between the two sets (test mode isn't + working in beezer1, instruction screen is different) + - Verify accuracy of colors ***************************************************************************/ @@ -154,8 +154,8 @@ static ADDRESS_MAP_START( sound_map, AS_PROGRAM, 8, beezer_state ) AM_RANGE(0x1000, 0x1007) AM_MIRROR(0x07f8) AM_DEVREADWRITE("ptm", ptm6840_device, read, write) AM_RANGE(0x1800, 0x180f) AM_MIRROR(0x07f0) AM_DEVREADWRITE("via_u18", via6522_device, read, write) AM_RANGE(0x8000, 0x8003) AM_MIRROR(0x1ffc) AM_WRITE(dac_w) -// AM_RANGE(0xa000, 0xbfff) AM_ROM // 2d (can be ram, unpopulated) -// AM_RANGE(0xc000, 0xdfff) AM_ROM // 4d (unpopulated) +// AM_RANGE(0xa000, 0xbfff) AM_ROM // 2d (can be ram, unpopulated) +// AM_RANGE(0xc000, 0xdfff) AM_ROM // 4d (unpopulated) AM_RANGE(0xe000, 0xffff) AM_ROM AM_REGION("audiocpu", 0) // 6d ADDRESS_MAP_END |