RBIL61 - INT 25

RBIL61 - INT 25

Bibliography {#idx166892}

INT 21 - DOS 2+ internal - "SYSVARS" - GET LIST OF LISTS {undocumentedInformation about a product which is not publicly available from the manufacturer, and must be determined by reverse-engineering (disassembly, trial-and-error, etc.). Undocumented information tends to change -- often dramatically -- between successive revisions of a product, since the manufacturer has no obligation to maintain compatibility in behavior which is not explicitly stated.} {#idx51705}

INT 21 - DOS 3.0+ - IOCTL - CHECK IF BLOCK DEVICE REMOVABLE {#idx48698}

INT 21 - DOS 3.0+ internal - GET ADDRESS OF DOS SWAPPABLE DATA AREA {undocumentedInformation about a product which is not publicly available from the manufacturer, and must be determined by reverse-engineering (disassembly, trial-and-error, etc.). Undocumented information tends to change -- often dramatically -- between successive revisions of a product, since the manufacturer has no obligation to maintain compatibility in behavior which is not explicitly stated.} {#idx53155}{#idx53213}

INT 21 - DOS 3.2+ - IOCTL - GET LOGICAL DRIVE MAP {#idx49469}

INT 21 - DOS 4.x only - internal - GET DOS SWAPPABLE DATA AREAS {obsolete, undocumentedInformation about a product which is not publicly available from the manufacturer, and must be determined by reverse-engineering (disassembly, trial-and-error, etc.). Undocumented information tends to change -- often dramatically -- between successive revisions of a product, since the manufacturer has no obligation to maintain compatibility in behavior which is not explicitly stated.} {#idx53474}{#idx53475}{#idx53485}{#idx53499}

INT 21 - DR DOS 3.41+ - DETERMINE DOS TYPE/GET DR DOS VERSION {#idx49809}

INT 21 - DR DOS 5.0+ internal - GET POINTER TO INTERNAL VARIABLE TABLE {undocumentedInformation about a product which is not publicly available from the manufacturer, and must be determined by reverse-engineering (disassembly, trial-and-error, etc.). Undocumented information tends to change -- often dramatically -- between successive revisions of a product, since the manufacturer has no obligation to maintain compatibility in behavior which is not explicitly stated.} {#idx50114}

INT 21 - PTS-DOS 6.51 & S/DOS 1.0 - DIRECT DISK READ {undocumentedInformation about a product which is not publicly available from the manufacturer, and must be determined by reverse-engineering (disassembly, trial-and-error, etc.). Undocumented information tends to change -- often dramatically -- between successive revisions of a product, since the manufacturer has no obligation to maintain compatibility in behavior which is not explicitly stated.} {#idx57114}

INT 21 - PTS-DOS 6.51 & S/DOS 1.0 - DIRECT DISK WRITE {undocumentedInformation about a product which is not publicly available from the manufacturer, and must be determined by reverse-engineering (disassembly, trial-and-error, etc.). Undocumented information tends to change -- often dramatically -- between successive revisions of a product, since the manufacturer has no obligation to maintain compatibility in behavior which is not explicitly stated.} {#idx57164}

INT 21 - Stacker - GET DEVICE DRIVER ADDRESS AND SET VOLUME NUMBER {#idx48175}{#idx48182}{#idx48184}

INT 21 - Windows95 - FAT32 - EXTENDED ABSOLUTE DISK READ/WRITE {#idx56643}{#idx56647}

INT 25 - DOS 1+ - ABSOLUTE DISK READ (except partitions > 32M) {#idx72190}{#idx72211}{#idx72218}{#idx72224}{#idx72231}{#idx72243}{#idx72252}{#idx72264}

INT 25 - DOS 3.31+ - ABSOLUTE DISK READ (32M-2047M hard-disk partition) {#idx72279}{#idx72303}

INT 25 - PC-CACHE.SYS - INSTALLATION CHECK {#idx72376}

INT 25 - Stacker - GET DEVICE DRIVER ADDRESS {#idx72310}

INT 26 - DOS 1+ - ABSOLUTE DISK WRITE (except partitions > 32M) {#idx72447}

INT 26 - DOS 3.31+ - ABSOLUTE DISK WRITE (32M-2047M hard-disk partition) {#idx72485}

INT 2A - NETWORK - CHECK DIRECT I/O {#idx72656}{#idx72663}{#idx72673}

INT 2F - Stacker 4 LZS Compression Interface (LZSAPI) {#idx84914}