osFree wiki - en:docs:bios:api http://osfree.ru/doku/ 2026-04-16T06:09:49+00:00 osFree wiki http://osfree.ru/doku/ http://osfree.ru/doku/lib/exe/fetch.php?media=wiki:dokuwiki.svg text/html 2023-12-16T15:33:05+00:00 Anonymous (anonymous@undisclosed.example.com) 00226 http://osfree.ru/doku/doku.php?id=en:docs:bios:api:00226&rev=1702740785&do=diff Bitfields for BIOS equipment list: Bit(s) Description 0 floppy disk(s) installed (number specified by bits 7-6) 1 80×87 coprocessor installed 3-2 number of 16K banks of RAM on motherboard (PC only) number of 64K banks of RAM on motherboard (XT only) text/html 2022-03-26T15:55:09+00:00 Anonymous (anonymous@undisclosed.example.com) int1a http://osfree.ru/doku/doku.php?id=en:docs:bios:api:int1a&rev=1648310109&do=diff Note: This IBM PC BIOS API call is for DOS/Win16 personality only. Use Family API for portability. Note: osFree Macro Library provides macros for most of functions Int 1AH Timer BIOS API. All registers saved on entry and restores on return. BIOS Interrupts Function Macro text/html 2023-12-17T06:09:34+00:00 Anonymous (anonymous@undisclosed.example.com) int10 http://osfree.ru/doku/doku.php?id=en:docs:bios:api:int10&rev=1702793374&do=diff Note: This IBM PC BIOS API call is for DOS/Win16 personality only. Use Family API for portability. Note: osFree Macro Library provides macros for most of functions Int 10H Video BIOS API. All registers saved on entry and restores on return. BIOS Interrupts Function Macro text/html 2023-12-16T15:26:01+00:00 Anonymous (anonymous@undisclosed.example.com) int11 http://osfree.ru/doku/doku.php?id=en:docs:bios:api:int11&rev=1702740361&do=diff Note: This IBM PC BIOS API call is for DOS/Win16 personality only. Use Family API for portability. Note: osFree Macro Library provides macros for most of functions Int 11H Version IBM 5150 and later Brief Get equipment list Family API DosDevConfig Input none Return * (E)AX = BIOS equipment list word (see text/html 2022-03-27T08:55:24+00:00 Anonymous (anonymous@undisclosed.example.com) int12 http://osfree.ru/doku/doku.php?id=en:docs:bios:api:int12&rev=1648371324&do=diff Note: This IBM PC BIOS API call is for DOS/Win16 personality only. Use Family API for portability. Note: osFree Macro Library provides macros for most of functions Int 12H Version IBM 5150 and later Brief Get memory size Family API DosMemAvail Input none Return * AX = kilobytes of contiguous memory starting at absolute address 00000h text/html 2022-03-27T09:04:09+00:00 Anonymous (anonymous@undisclosed.example.com) int13 http://osfree.ru/doku/doku.php?id=en:docs:bios:api:int13&rev=1648371849&do=diff Note: This IBM PC BIOS API call is for DOS/Win16 personality only. Use Family API for portability. Note: osFree Macro Library provides macros for most of functions Int 13H Disk BIOS API. All registers saved on entry and restores on return. BIOS Interrupts Function Macro text/html 2022-03-26T13:16:17+00:00 Anonymous (anonymous@undisclosed.example.com) int14 http://osfree.ru/doku/doku.php?id=en:docs:bios:api:int14&rev=1648300577&do=diff Note: This IBM PC BIOS API call is for DOS/Win16 personality only. Use Family API for portability. Note: osFree Macro Library provides macros for most of functions Int 14H Serial Port BIOS API. All registers saved on entry and restores on return. BIOS Interrupts Function text/html 2022-03-27T04:09:43+00:00 Anonymous (anonymous@undisclosed.example.com) int15 http://osfree.ru/doku/doku.php?id=en:docs:bios:api:int15&rev=1648354183&do=diff Note: This IBM PC BIOS API call is for DOS/Win16 personality only. Use Family API for portability. Note: osFree Macro Library provides macros for most of functions Int 15H Cassete Tape BIOS API. All registers saved on entry and restores on return. BIOS Interrupts Function text/html 2022-03-26T14:54:51+00:00 Anonymous (anonymous@undisclosed.example.com) int16 http://osfree.ru/doku/doku.php?id=en:docs:bios:api:int16&rev=1648306491&do=diff Note: This IBM PC BIOS API call is for DOS/Win16 personality only. Use Family API for portability. Note: osFree Macro Library provides macros for most of functions Int 16H Keyboard BIOS API. All registers saved on entry and restores on return. BIOS Interrupts Function Macro text/html 2022-03-26T14:36:22+00:00 Anonymous (anonymous@undisclosed.example.com) int17 http://osfree.ru/doku/doku.php?id=en:docs:bios:api:int17&rev=1648305382&do=diff Note: This IBM PC BIOS API call is for DOS/Win16 personality only. Use Family API for portability. Note: osFree Macro Library provides macros for most of functions Int 17H Printer Port BIOS API. All registers saved on entry and restores on return. BIOS Interrupts Function