Specifications

RTI
IOT
RESET
ReTurn from Interrupt 000002
4 d / / 4.8
t Pa f (W
Input/Output Trap 000004
d/v’/ 8.9
(PSI 4 s (PC) 4,
(20)
+ (PC),
(22)
+ (PS)
RESET 000005
an INIT oulse;s issued bv the CP
- 20 ms.
EMT - EMulator Trap’ 104400--1104377
TRAP TRAP
(PS) 4, (PC) 4, (30) + (PC), (32) +
(PS)’
104400-104777 4
PSI 4, (PC) 4 r (34) + (PC), (36) + (PSI
NOTATION:
1. for order codes
word/byte bit, set for byte (+lOOOOO)
SS-source field,
.
DD-destination field
XX-offset (8 bit)
2. for operations
A and,
V
or,
(’
not,
contents of,
XOR
&
“is pushed onto the processor stack”
-
-r
“the contents of the top of the processor stack is
popped and becomes”
+
“becomes”
3. for timing
*
0.4 ‘p.s less if not register mode
-
0.9 ps less if conditions for branch not met
0
1.2 r.~s more if addressing odd byte
/
(0.6 r~s additional in addressing odd bytes otherwise)
4. for condition codes
f ~;a;~;$=W
1
set
93