Texas Instruments TMS320C3x User Manual page 672

Texas instruments computer hardware user's guide
Table of Contents

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STF
Store Floating-Point Value
Syntax
Operation
Operands
Opcode
Description
Cycles
Status Bits
Mode Bit
Example
LUF
Data memory
8098A1h
13-214
STF src, dst
src
dst
src register (R n , 0
dst general addressing modes (G):
0 1
direct
1 0
indirect (disp = 0–255, IR0, IR1)
31
24 23
0 0 0 1 0
1
0
0
The src register is loaded into the dst memory location. The src and dst oper-
ands are assumed to be floating-point numbers.
1
LUF
Unaffected
LV
Unaffected
UF
Unaffected
N
Unaffected
Z
Unaffected
V
Unaffected
C
Unaffected
OVM
Operation is not affected by OVM bit value.
STF R2,@98A1h
Before Instruction
R2
05 2C50 1900
DP
080
0
LV
0
UF
0
N
0
Z
0
V
0
C
0
0
n
7)
16
15
src
0
G
4.30782204e+01
R2
DP
LUF
LV
UF
N
Z
V
C
8098A1h
8 7
dst
After Instruction
05 2C50 1900
4.30782204e+01
080
0
0
0
0
0
0
0
52C5019
4.30782204e+01
0

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