https://ftp.osfree.org/doku/ 2026-04-21T05:26:24+00:00 https://ftp.osfree.org/doku/ https://ftp.osfree.org/doku/lib/exe/fetch.php?media=wiki:dokuwiki.svg text/html 2023-12-18T07:07:12+00:00 Anonymous (anonymous@undisclosed.example.com) https://ftp.osfree.org/doku/doku.php?id=en:docs:dos:api&rev=1702883232&do=diff Note: This API call is for DOS and Win16 personality only. Use Family API for portability. DOS API Most of DOS API calls are invoked using software interrupt INT 21H. In most cases AH register are set to function number. DOS Interrupts Interrupt vector