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CHAPTER 7 DETAILED EXECUTION INSTRUCTIONS
7.111 DMOVB (Move Byte Data from Register to Direct Address)
Transfers the byte data from "R13" to the direct address indicated by the value "dir8".
■ DMOVB (Move Byte Data from Register to Direct Address)
Assembler format: DMOVB R13, @dir8
Operation: R13 → (dir8)
Flag change:
N, Z, V, and C: Unchanged
Execution cycles: a cycle(s)
Instruction format:
Example: DMOVB R13, @53H
NZVC
––––
MSB LSB
00011010
dir8
R13
Memory
52
53
54
52
53
54
xx
xx
xx
xx
xx
R13
FE
Memory
FFFF FFFEFFFF FFFE
Instruction bit pattern : 0001 1010 0101 0011
Before execution After execution