INT 00 - Zenith - ROM(Read-Only Memory) A memory for program storage which may not be changed by the program as it runs. DEBUGGER Desc: invokes the ROM(Read-Only Memory) A memory for program storage which may not be changed by the program as it runs. Debugger when at the BIOS(Basic Input/Output System) A set of standardized calls giving low-level access to the hardware. The BIOS is the lowest software layer above the actual hardware and serves to insulate programs (and operating systems) which use it from the details of accessing the hardware directly. level; equivalent to pressing Ctrl-Alt-Ins on booting. Note: since DOS revectors INT 00, it is necessary to restore this vector to its original ROM(Read-Only Memory) A memory for program storage which may not be changed by the program as it runs. BIOS(Basic Input/Output System) A set of standardized calls giving low-level access to the hardware. The BIOS is the lowest software layer above the actual hardware and serves to insulate programs (and operating systems) which use it from the details of accessing the hardware directly. value in order to invoke the debugger once DOS loads SeeAlso: INT 03"Columbia"