Program Status Area - ZiLOG System 8000 User Manual

USER
33
WORD
0-1
2-3
4-5
6-7
8-9
A-B
C-D
E-F
10-11
12-13
14-15
16-17
18-19
lA-lB
lC-lD
IE-IF
20-21
22-23
24-25
26-27
28-29
2A-2B
2C-2D
2E-2F
30-31
32-33
34-35
36-37
38-39
3A-3B
3C-3D
3E-3F
40-41
42-43
44-45
46-47
48-49
4A-4B
4C-4D
4E-4F
VALUE
unused
unused
unused
unused
unused
unused
%4000
#BREAK
unused
unused
%4000
#NMINT
unused
unused
%4000
unused
unused
unused
unused
unused
unused
unuseo
unused
unused
unused
#PTYINT
#CHASRC
unused
unused
#MCZINT
#CHASRC
unused
unused
unused
unused
unused
unused
unused
unused
unused
Zilog USER
Table 3-1. Program Status Area
COMl4ENT
RESERVED
Unimplemented instruction
PRIVILEGED INSTRUCTION
SYSTEM CALL entered in Segmented Mode
Address of BREAK interrupt procedure
SEGMENT TRAP
FC~q
for NONf.lASKABLE interrupt procedure
Address of NONMASKABLE interrupt procedure
NONVECTORED INTERRUPT
FCW for all VECTORED INTERRUPTS
VECTOR 0
VECTOR 2
VECTOR 4
VECTOR 6
VECTOR 8
VECTOR A
VECTOR C
VECTOR E
VECTOR 10
VEC'I'OR 12
VECTOR 14 (SIO Channel B input interrupt
procedure address)
VECTOR 16 (SIO Channel B special receive
condition procedure address)
VECTOR 18
VECTOR lA
VECTOR lC (SIO Channel A input interrupt
procedure address)
VECTOR IE (SIO Channel A special receive
condition procedure address)
VECTOR 20
VECTOR 22
VECTOR 24
VECTOR 26
VECTOR 28
VECTOR 2A
VECTOR 2C
VECTOR 2E
VEC'I'OR 30
Zi10g
33