Fujitsu CM71-00101-5E User Manual
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CHAPTER 7 DETAILED EXECUTION INSTRUCTIONS
7.110
DMOVB (Move Byte Data from Direct Address to Register)
Transfers the byte data at the address indicated by the value "dir8" to "R13". Uses zeros
to extend the higher 24 bits of data.
to extend the higher 24 bits of data.
■
DMOVB (Move Byte Data from Direct Address to Register)
Assembler format:
DMOVB @dir8, R13
Operation:
(dir8)
→
R13
Flag change:
N, Z, V, and C: Unchanged
Execution cycles:
b cycle(s)
Instruction format:
Example:
DMOVB @91H, R13
N
Z
V
C
–
–
–
–
MSB
LSB
0
0
0
0
1
0
1
0
dir8
R13
Memory
90
91
92
90
91
92
x x
x x x x
x x x x
x x
x x
x x
R13
3 2
3 2
Memory
0 0 0 0
0 0 3 2
Instruction bit pattern :
0000 1010 1001 0001
Before execution
After execution