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  1. Cantor3

    Micro Focus COBOL/2 2.4.17 how to call C functions

    Hi mikrom. Thanks for your reply. As stated in my original post, the use of the ancient Micro Focus COBOL/2 2.4.17 DOS-based compiler is not my choice to make. I am trying to accommodate a friend who is using it. He has his reasons, which I won't try to justify here. ... If there are any...
  2. Cantor3

    Micro Focus COBOL/2 2.4.17 how to call C functions

    Hi Glenn9999. Thanks for replying. DLL is not a solution because my question is about 16-bit real mode (DOS 6.22). I am using Borland's Turbo C version 2.01 compiler and linker. You can download it for free. My friend is using Micro Focus COBOL/2 2.4.17 to develop 16 bit real mode DOS 6.22...
  3. Cantor3

    Micro Focus COBOL/2 2.4.17 how to call C functions

    Hello. I have a friend who was a COBOL programmer professionally for many years but is now long retired. He has no interest in learning any other languages, but he enjoys dabbling with Micro Focus COBOL/2 2.4.17 to develop 16 bit DOS 6.22 programs for his own use. He needs some help with...
  4. Cantor3

    how to set and clear RTS in a 32-bit Delphi4 (pascal) console app

    Hello. I am trying to write a very simple Delphi4 32-bit console application {$APPTYPE CONSOLE} which sets and clears the RTS pin of the COM1 RS232 serial port. What is the simplest way to do this? I tried writing asm code (see below) but not surprisingly I got a run-time exception (see...

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