Add add add – Motorola DSP96002 User Manual
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DSP96002 USER’S MANUAL
MOTOROLA
ADD
Add
ADD
Instruction Fields:
(u u)
D
d d d
Dn.L
n n n
where nnn = 0-7
S
s s s
Dn.L
n n n
where nnn = 0-7
Timing:
2 + mv oscillator clock cycles
Memory:
1 + mv program words
DATA BUS MOVE FIELD
00
1sss
uu11
1ddd
31
14 13
0
OPTIONAL EFFECTIVE ADDRESS EXTENSION OR IMMEDIATE LONG DATA
Assembler Syntax:
ADD S,D
(move syntax - see the MOVE in-
struction description.)
Description:
Add the low portion of the two specified operands and store the result in the low portion of the destination
operand D.
Input Operand(s) Precision:
32-bit integer.
Output Operand Precision:
32-bit integer.
CCR Condition Codes:
C
- Set if carry is generated from MSB of the result. Cleared otherwise.
V
- Set if result overflows. Cleared otherwise.
Z
- Set if result is zero. Cleared otherwise.
N
- Set if result is negative. Cleared otherwise.
I
- Not affected.
LR
- Not affected.
–
R
- Not affected.
A
- Not affected.
ER Status Bits:
Not affected.
IER Flags:
Not affected.
Instruction Format:
ADD S,D
(move syntax - see the MOVE instruction description.)
Operation:
D.L + S.L
→
D.L
(parallel data bus move)