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JOINB
Operation:
D.L {7:0}
D.L {7:0} (parallel data bus move)
S.L {7:0}
D.L {15:8}
0
D.L {31:16}
Description:
Transfer the 8 LSBs of the lower portion of source operand S into bits 15-8 of the lower portion of destina-
tion D. The 8 LSBs of the lower portion of D remain unchanged. The 16 MSBs of the lower portion of D
are zeroed.
Input Operand(s) Precision: 8-bit integer.
Output Operand Precision: 32-bit integer.
CCR Condition Codes:
C
V
Z
N
I
LR
–
R
A
ER Status Bits: Not affected.
IER Flags: Not affected.
Instruction Format: JOINB
31
DATA BUS MOVE FIELD
OPTIONAL EFFECTIVE ADDRESS EXTENSION OR IMMEDIATE LONG DATA
Instruction Fields:
D
Dn.L
S
Dn.L
Timing: 2 + mv oscillator clock cycles
Memory: 1 + mv program words
MOTOROLA
Join Two 8-bit Integers
- Not affected.
- Always cleared.
- Set if result is zero. Cleared otherwise.
- Always cleared.
- Not affected.
- Not affected.
- Not affected.
- Not affected.
S,D (move syntax - see the Move instruction description.)
(u u)
d d d
n n n
where nnn = 0-7
s s s
n n n
where nnn = 0-7
DSP96002 USER'S MANUAL
Assembler Syntax:
JOINB
S,D
(move syntax - see the Move instruction description.)
14 13
11
0sss
JOINB
0
1010
1ddd
A - 199
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