| Original file of this index | |
| INT 00 through INT 13 | |
| INT 14 through INT 15/7F | |
| INT 15/80 through INT 1F | |
| INT 20 through INT 21/44 | |
| INT 21/45 through INT 21/BF | |
| INT 21/C0 through INT 2D | |
| INT 2E through INT 2F/7F | |
| INT 2F/80 through INT 2F/FF | |
| INT 30 through INT 60 | |
| INT 61 through INT 67 | |
| INT 68 through INT 7E | |
| INT 7F through INT FF | |
| a brief primer on interrupts | |
| brief listing of major uses of each interrupt | |
| a listing of CPU bugs and undocumented features | |
| a description of the CMOS RAM data bytes | |
| a glossary of terms, abbreviations, and acronyms | |
| format of the BIOS data area | |
| a listing of recent and undocumented CPU instructions | |
| a listing of I/O ports | |
| descriptions of divider-line category letters |
DISCLAIMER: THIS MATERIAL IS PROVIDED "AS IS". I verify the information contained in this list to the best of my ability, but I cannot be held responsible for any problems caused by use or misuse of the information, especially for those functions not officially documented. If it is marked "internal" or undocumented, you should check it carefully to make sure it works the same way in your version of the software (and please let me know whether or not it works the same way). Information marked with "???" is known to be incomplete or guesswork.