W7100A-64QFN WIZnet, W7100A-64QFN Datasheet - Page 149
W7100A-64QFN
Manufacturer Part Number
W7100A-64QFN
Description
8-bit Microcontrollers - MCU 8051 CORE+HARDWIRED TCP/IP+MAC+PHY
Manufacturer
WIZnet
Datasheet
1.W7100A.pdf
(156 pages)
Specifications of W7100A-64QFN
Rohs
yes
Interface Type
UART
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Part Number:
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13.2.2 Subtraction
SUBB
SUBB
SUBB
MOV
MOV
MOV
MOV
MOV
MOV
The following code performs immediate data (constant) subtraction from an 8-bit register.
Rx = Rx - #n
The following code performs direct addressing subtraction from an 8-bit register.
Rx = Rx – (dir)
The following code performs indirect addressing subtraction from an 8-bit register.
Rx = Rx – (@Ry)
The following code performs an 8-bit register from register subtraction.
Mnemonic
Mnemonic
Mnemonic
Immediate data
Direct addressing
Indirect addressing subtraction
Register addressing subtraction
A, @Ry
A, dir
A, Rx
A, #n
A, Rx
A, Rx
Rx, A
Rx, A
Rx, A
Sum :
Sum :
Sum :
E8h – EFh
F8h – FFh
E8h – EFh
F8h – FFh
E8h – EFh
26h – 27h
F8h – FFh
Opcode
Opcode
Opcode
24h
25h
Byte
Byte
Byte
1
2
1
1
2
1
1
1
1
80C51 Cycle
80C51 Cycle
80C51 Cycle
12
12
12
36
12
12
12
36
12
12
12
36
wizmemcpy
wizmemcpy
wizmemcpy
ISP /
ISP /
ISP /
1
2
1
4
1
2
1
4
1
2
1
4
W7100A Cycle
W7100A Cycle
W7100A Cycle
Ver. 1.12
user code
user code
user code
FLASH /
FLASH /
FLASH /
12
12
12
4
4
4
4
4
4
4
4
4
149
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