Exception Vector Assignments - Motorola MC68020 User Manual

Vector Number
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16–23
24
25
26
27
28
29
30
31
32–47
48
49
50
51
52
53
54
55
56
57
58
59–63
64–255
SP—Supervisor Program Space
SD—Supervisor Data Space
MOTOROLA
Table 6-1. Exception Vector Assignments
Vector Offset
Hex Space
000 SP Reset Initial Interrupt Stack Pointer
004 SP Reset Initial Program Counter
008 SD Bus Error
00C SD Address Error
010 SD Illegal Instruction
014 SD Zero Divide
018 SD CHK, CHK2 Instruction
01C SD cpTRAPcc, TRAPcc, TRAPV Instructions
020 SD Privilege Violation
024 SD Trace
028 SD Line 1010 Emulator
02C SD Line 1111 Emulator
030 SD (Unassigned, Reserved)
034 SD Coprocessor Protocol Violation
038 SD Format Error
03C SD Uninitialized Interrupt
040 SD Unassigned, Reserved
05C SD
060 SD Spurious Interrupt
064 SD Level 1 Interrupt Autovector
068 SD Level 2 Interrupt Autovector
06C SD Level 3 Interrupt Autovector
070 SD Level 4 Interrupt Autovector
074 SD Level 5 Interrupt Autovector
078 SD Level 6 Interrupt Autovector
07C SD Level 7 Interrupt Autovector
080 SD TRAP #0–15 Instruction Vectors
0BC SD
0C0 SD FPCP Branch or Set on Unordered Condition
0C4 SD FPCP Inexact Result
0C8 SD FPCP Divide by Zero
FPCP Underflow
0CC SD
0D0 SD FPCP Operand Error
0D4 SD FPCP Overflow
0D8 SD FPCP Signaling NAN
0DC SD Unassigned, Reserved
0E0 SD PMMU Configuration
0E4 SD PMMU Illegal Operation
0E8 SD PMMU Access Level Violation
0EC SD Unassigned, Reserved
0FC SD
100 SD User-Defined Vectors (192)
3FC SD
M68020 USER'S MANUAL
Assignment
6- 3