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DESCRIPTION OF INSTRUCTIONS
317
58. MOV A, data address (Move memory to accumulator)
11100101
70
Instruction code
Data address
Operation
Number of bytes
Number of cycles
Flags
(PSW)
Description
Example MOV A, P1
Instruction code
: Byte 1
a7 a6 a5 a4 a3 a2 a1 a0
70
Byte 2
(A)←(data address):
C AC F0 RS1 RS0 OV F1 P
•
:
:
:
The specified data address contents are copied to the accumu-
lator, and the flag is updated.
:
11100101
70
Byte 1
Port 1
01100111
70
2
1
10010000
70
Byte 2
Before execution
Port 1
01100111
70
After execution
:
Accumulator
01000010
70
Accumulator
01100111
70