Board index » delphi » C Builder & Serial Ports

C Builder & Serial Ports

How do you communicate with the PC's serial ports using C Builder ?
 

Re:C Builder & Serial Ports


asm {
  mov dx, portnumber;
  mov al, byte ptr valueTowrite;
  out  dx, al;

Quote
}

P.S., on NT you need to have this code in a DLL or install the DirectIo.sys
to
let it work..

wormley <worm...@lexmark.com> wrote in article
<35f7c57...@usenet.lexmark.com>...

Quote
> How do you communicate with the PC's serial ports using C Builder ?

Other Threads