Texas Instruments TI89 Developer Guide - Page 52

10 Chapter 3: The TI-89 / TI-92 Plus Hardware Overview Address 68000 CPU Vector TI-89 / TI-92 Plus Usage 0x000000 Initial supervisor stack pointer Initial supervisor stack pointer 0x000004 Pointer to operating system entry point Pointer to operating system entry point 0x000008 Bus error Not used 0x00000C Address error Not used 0x000010 Illegal instruction Not used 0x000014 Zero divide Not used 0x000018 CHK instruction Not used 0x00001C TRAPV instruction Not used 0x000020 Privilege violation Not used 0x000024 Trace Not used 0x000028 Line 1010 emulator Error handler 0x00002C Line 1111 emulator System jump table call interface 0x000030 (Unassigned, reserved) 0x00005F Not used 0x000060 Spurious interrupt Not used 0x000064 Level 1 interrupt autovector Heartbeat timer (keyboard scan) 0x000068 Level 2 interrupt autovector Key press 0x00006C Level 3 interrupt autovector One second timer (not used) 0x000070 Level 4 interrupt autovector DBus IO 0x000074 Level 5 interrupt autovector System timer 0x000078 Level 6 interrupt autovector On key 0x00007C Level 7 interrupt autovector Stack overflow 0x000080 Trap 0 - 4 0x000093 System reserved 0x000094 Trap 5 - 8 0x0000A3 Not used 0x0000A4 Trap 9 - 11 0x0000AC System reserved 0x0000B0 Trap 12 - 14 0x0000BB Not used 0x0000BC Trap 15 System reserved 0x0000C0 Unassigned / reserved Simple ROM detect constant - 0xFF0055AA 0x0000A8 Unassigned / reserved Address of system call jump table 0x0000AC 0x0003FF Not used Table 3:2: Vector Table TI-89 / TI-92 Plus Developer Guide Not for Distribution Beta Version January 26, 2001