diff options
Diffstat (limited to 'src/emu/machine/z80dart.c')
| -rw-r--r-- | src/emu/machine/z80dart.c | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/src/emu/machine/z80dart.c b/src/emu/machine/z80dart.c index dd653ce16c8..0e66bfc93d2 100644 --- a/src/emu/machine/z80dart.c +++ b/src/emu/machine/z80dart.c @@ -5,11 +5,11 @@ Copyright (c) 2008, The MESS Team. Visit http://mamedev.org for licensing and usage restrictions. - The z80dart/z80sio itself is based on an older intel serial chip, the i8274 MPSC - (see http://doc.chipfind.ru/pdf/intel/8274.pdf), which also has almost identical - behavior, except lacks the interrupt daisy chaining and has its own interrupt/dma - scheme which uses write register 2 on channel A, that register which is unused on - the z80dart and z80sio. + The z80dart/z80sio itself is based on an older intel serial chip, the i8274 MPSC + (see http://doc.chipfind.ru/pdf/intel/8274.pdf), which also has almost identical + behavior, except lacks the interrupt daisy chaining and has its own interrupt/dma + scheme which uses write register 2 on channel A, that register which is unused on + the z80dart and z80sio. ***************************************************************************/ @@ -21,8 +21,8 @@ - wr0 reset tx interrupt pending - wait/ready - 1.5 stop bits - - synchronous mode (Z80-SIO/1,2) - - SDLC mode (Z80-SIO/1,2) + - synchronous mode (Z80-SIO/1,2) + - SDLC mode (Z80-SIO/1,2) */ |
