Motorola DSP96002 User Manual page 491

32-bit digital signal processor
Table of Contents

Advertisement

SPLITB
Operation:
S.L {15:8}
D.L {7:0}
S.L {15}
D.L {31:8}
Description:
Transfer bits 15-8 of the lower portion of source operand S into the 8 LSBs of the lower portion of destina-
tion D and sign-extend to 32 bits.
Input Operand(s) Precision: 32-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: SPLITB S,D (move syntax - see the Move instruction description.)
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
Extract an 8-bit Integer
(parallel data bus move)
- Not affected.
- Always cleared.
- Set if result is zero. Cleared otherwise.
- Set if result is negative. Cleared otherwise.
- Not affected.
- Not affected.
- Not affected.
- Not affected.
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:
SPLITB S,D
(move syntax - see the Move instruction de-
scription.)
14 13
11
0sss
SPLITB
0
1011
1ddd
A - 303

Advertisement

Table of Contents
loading

Table of Contents