Click above to get retro games delivered to your door ever month!

 Int 2Fh                 Multiplex Interrupt                         Overview
 0100h                   Get PRINT.EXE Installed State               DOS 3.0+
 0101h                   Add File to Queue                           DOS 3.0+
 0102h                   Remove File From Print Queue                DOS 3.0+
 0103h                   Cancel All Files in Print Queue             DOS 3.0+
 0104h                   Hold Print Jobs and Get Status              DOS 3.0+
 0105h                   Release Print Jobs                          DOS 3.0+
 0106h                   Get Printer Device                          DOS 3.3+
 0600h                   Get ASSIGN.COM Installed State              DOS 3.0+
 1000h                   Get SHARE.EXE Installed State               DOS 3.0+
 1100h                   Get Network Installed State                 DOS 3.1+
 1400h                   Get NLSFUNC.EXE Installed State             DOS 3.3+
 1680h                   DOS Idle Call                               DOS 5.0+
 1A00h                   Get ANSI.SYS Installed State                DOS 4.0+
 4300h                   Get HIMEM.SYS Installed State               DOS 5.0+
 4310h                   Get HIMEM.SYS Entry-Point Address           DOS 5.0+
 4800h                   Get DOSKEY.COM Installed State              DOS 5.0+
 4810h                   Read Command Line                           DOS 5.0+
 4B01h                   Build Notification Chain                    DOS 5.0+
 4B02h                   Detect Switcher                             DOS 5.0+
 4B03h                   Allocate Switcher ID                        DOS 5.0+
 4B04h                   Free Switcher ID                            DOS 5.0+
 4B05h                   Identify Instance Data                      DOS 5.0+
 AD80h                   Get KEYB.COM Version Number                 DOS 3.3+
 AD81h                   Set KEYB.COM Active Code Page               DOS 3.3+
 AD82h                   Set KEYB.COM Country Flag                   DOS 3.3+
 AD83h                   Get KEYB.COM Country Flag                   DOS 5.0+
 B000h                   Get GRAFTABL.COM Installed State            DOS 3.3+
 B700h                   Get APPEND.EXE Installed State              DOS 4.0+
 B702h                   Get APPEND.EXE Version                      DOS 4.0+
 B704h                   Get APPEND.EXE Directory List Address       DOS 4.0+
 B706h                   Get APPEND.EXE Modes Flag                   DOS 4.0+
 B707h                   Set APPEND.EXE Modes Flag                   DOS 4.0+
 B711h                   Set True-Name Flag                          DOS 4.0+