DOS functions (available through INT 21h)</FONT></P>
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  <P><A HREF="prog/3.htm"><FONT SIZE=-1 FACE="Verdana, Arial, Helvetica">3.0 - Extended DOS functions - Overview</FONT></A><BR>
  <FONT SIZE=-1 FACE="Verdana, Arial, Helvetica"><A HREF="prog/int21h/09.htm">3.01 - DOS function 09h - Write String</A></FONT><BR>
  <FONT SIZE=-1 FACE="Verdana, Arial, Helvetica"><A HREF="prog/int21h/1a.htm">3.02 - DOS function 1Ah - Set Disk Transfer Area Address (DTA)</A></FONT><BR>
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