Fujitsu CM71-00101-5E User Manual
215
CHAPTER 7 DETAILED EXECUTION INSTRUCTIONS
7.106
DMOVH (Move Half-word Data from Direct Address to
Register)
Register)
Transfers the half-word data at the direct address corresponding to 2 times the value
"dir8" to "R13". Uses zeros to extend the higher 16 bits of data.
"dir8" to "R13". Uses zeros to extend the higher 16 bits of data.
■
DMOVH (Move Half-word Data from Direct Address to Register)
Assembler format:
DMOVH @dir9, R13
Operation:
( dir8 × 2)
→
R13
Flag change:
N, Z, V, and C: Unchanged
Execution cycles:
b cycle(s)
Instruction format:
Example:
DMOVH @88H, R13
N
Z
V
C
–
–
–
–
MSB
LSB
0
0
0
0
1
0
0
1
dir8
R13
86
88
8A
86
88
8A
x x x x
x x x x
x x x x
x x x x
x x x x
x x x x
R13
B 2 B 6
B 2 B 6
0 0 0 0
B 2 B 6
Instruction bit pattern :
0000 1001 0100 0100
Before execution
After execution
Memory
Memory