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DESCRIPTION OF INSTRUCTIONS
325
66. MOV data address, @Rr (Move indirect address to memory)
1000011r
70
Instruction code
Data address
Operation
Number of bytes
Number of cycles
Flags
(PSW)
Description
Example MOV ACC, @R1
Instruction code
: Byte 1
a7 a6 a5 a4 a3 a2 a1 a0
70
Byte 2
(data address)←((Rr)) r=0 or 1:
C AC F0 RS1 RS0 OV F1 P
:
:
:
The data memory location contents addressed by the register r
contents are copied to the specified data address.
:
10000111
70
Byte 1
Accumulator
00000000
70
2
2
11100000
70
Byte 2
Before execution
Accumulator
01101111
70
After execution
:
Register 1
00100101
70
Register 1
00100101
70
25H
01101111
70
25H
01101111
70