INT 7D - multiple purposes
INT 7E - RESERVED FOR DIP, Ltd. ROM LIBRARY; multiple purposes
INT 7F - multiple purposes
INT 80 - reserved for BASIC; multiple purposes
INT 81 - reserved for BASIC
INT 82 - reserved for BASIC
INT 83 - reserved for BASIC
INT 84 - reserved for BASIC
INT 85 - reserved for BASIC
INT 86 - F0 IBM ROM BASIC - used while in interpreter; multiple purposes
INT F1 - reserved for user interrupt
INT F2 - reserved for user interrupt
INT F3 - reserved for user interrupt
INT F4 - reserved for user interrupt
INT F5 - reserved for user interrupt
INT F6 - reserved for user interrupt
INT F7 - reserved for user interrupt
INT F8 - reserved for user interrupt
INT F9 - reserved for user interrupt
INT FA - reserved for user interrupt
INT FB - reserved for user interrupt
INT FC - reserved for user interrupt
INT FD - reserved for user interrupt
INT FE - AT/XT286/PS50+ - destroyed by return from protected mode
INT FF - AT/XT286/PS50+ - destroyed by return from protected mode