INT 20H Terminate a program superseded
INT 21H DOS Services
INT 22H Terminate address
INT 23H Control-Break address Address Vectors Only
INT 24H Critical Error Handler address
INT 25H/26H Absolute Disk Read/Write
INT 27H Terminate but Stay Resident superseded
INT 29H DOS Internal Fast Screen Write undocumented
INT 2eH Perform DOS Command undocumented
INT 2fH Multiplex (DoubleSpace, spooler, TSR control, other APIs)
INT 31H DPMI DOS Protected Mode Interface Services
INT 33H Mouse Support
INT 67H EMS Expanded Memory Manager (HIMEM.SYS)
- -