Table of Contents
Advertisement
ADDR
Condition Codes:
15
14
13
LF
DM
S — Computed according to the definition in A.5 CONDITION CODE COMPUTATION
L — Set if limiting (parallel move) or overflow has occurred in result
E — Set if the signed integer portion of A or B result is in use
U — Set if A or B result is unnormalized
N — Set if bit 55 of A or B result is set
Z— Set if A or B result equals zero
V — Set if overflow has occurred in A or B result
C — Set if a carry (or borrow) occurs from bit 55 of A or B result.
Note:
The definitions of the E and U bits vary according to the scaling mode being used.
Refer to Section A.5 for complete details.
Instruction Format:
ADDR S,D
Opcode:
23
Instruction Fields:
S,D
d
B,A
0
A,B
1
Timing: 2+mv oscillator clock cycles
Memory: 1+mv program words
MOTOROLA
INSTRUCTION DESCRIPTIONS
Shift Right and Add Accumulators
12
11
10
9
T
**
S1
S0
I1
MR
DATA BUS MOVE FIELD
OPTIONAL EFFECTIVE ADDRESS EXTENSION
INSTRUCTION SET DETAILS
8
7
6
5
4
I0
S
L
E
U
CCR
8
7
0
0
0
ADDR
3
2
1
0
N
Z
V
C
4
3
0
d
0
1
0
0
A - 31
Advertisement
Chapters
Table of Contents
