OSWORD &81
OSWORD &81 (129) - Merlin M2100 Terminal
On entry: On exit XY?0 =send block length XY?0 =preserved XY?1 =receive block length XY?1 =preserved XY?2 =call subnumber XY?2 =preserved XY?3 =reserved for result XY?3 =result byte 1 XY?4 =reserved for result XY?4 =result byte 2 XY+5... parameters
Functions
- &00 Enable serial transmitter
- &01 Disable serial transmitter
- &02 Enable serial receiver
- &03 Disable serial receiver
- &04 Reset serial transmitter
- &05 Reset serial receiver
- &06 Reset serial error status
- &07 Read serial handshake
- &08 Write serial handshake
- &09 Read byte from serial receive register
- &0A Read serial status
- &0B Write byte to serial transmit register
- &0C Enable serial interrupts
- &0D Disable serial interrupts
- &0E Set serial data word
- &0F Set serial handshake
- &10 Enable modem transmitter
- &11 Disable modem transmitter
- &12 Enable modem receiver
- &13 Disable modem receiver
- &14 Reset modem transmitter
- &15 Reset modem receiver
- &16 Reset modem error status
- &17 Write modem handshake
- &18 Read byte from modem receive register
- &19 Read modem status
- &1A Write byte to modem transmit register
- &1B Enable modem interrupts
- &1C Disable modem interrupts
- &1D Start ring counter
- &1E Read ring counter
To be added.
Springboard
The Advanced Reference Manual for the BBC Master (Watford Electronics) lists:
- OSWORD &81 (129) - Springboard
See Also
References
Jgharston 14:09, 26 May 2009 (UTC)