Sharp PC124x/5x/6x

26 Aug 2004

...
   Well, the
serial Port on the CE125 was never an official thing.
 You had to do assembly to use it.

 Your message had me digging out my 1251 and the notes I made all those
 yeasr ago!   The Basic had the following keywords (in mine at least):

 Code (dec.)  137   COM$
              155   SETCOM
              190   OUTSTAT
              191   INSTAT
 which are presumably to do with the serial port. 
I have the official serial port add-on for the PC1500 with the user 
manual -- somewhere (I know where the unit is, of course). I seem to 
remember those keywords were used with it  -- COM$ returend the current 
RS232 parameters (baud/bits/parity/etc), SETCOM set them, INSTAT and 
OUTSTAT were either something to do with the handshake lines or used to 
determine if the port was ready (I forget which)

Character input and output was done with PRINT# and INPUT# (I think it 
was channel 8 and channel 9 was the centronics port, but it's been many 
years).

-tony

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Sharp PC124x/5x/6x