OSWORD &0E

OSWORD &0E (14 ) - Reads CMOS clock

On entry:
 XY+0=function code

0 - Return clock value as string
 On exit:
  XY+0..23=CR-terminated string in form
  "Day,DD Mon Year.HH:MM:SS".

1 - Return BCD clock value.
 On exit:
  XY?0=year (&00-&99)
  XY?1=month (&01-&12)
  XY?2=date (&01-&31)
  XY?3=day of week (&01-&07, Sun-Sat)
  XY?4=hours (&00-&23)
  XY?5=minutes (&00-&59)
  XY?6=seconds (&00-&59).
 
 A year value of &80-&99 represents 1980-1999, a value of
 &00-&79 represents 2000-2079.

2 - Convert BCD to string.
 On entry:
  XY+1..7=BCD value as with subfunction 1
 On exit:
  XY+1..25=CR-terminated string as with subfunction 0

3 - Return 5-byte centisecond clock value (where supported)
 On exit:
  XY?0..4=number of centiseconds since 00:00:00 01-Jan-1900

See Also

• OSWORD &0F
• http://mdfs.net/Docs/Comp/BBC/Oswords

Jgharston 12:56, 26 May 2009 (UTC)