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| W742S81A Datasheet, PDF (41/47 Pages) Winbond – 4 BIT MICROCONTROLLER | |||
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W742S81A
Machine code
Arithmetic
0001 1000 0xxx xxxx
0001 1100 i i i i nnnn
0001 1001 0xxx xxxx
0001 1101 i i i i nnnn
0000 1000 0xxx xxxx
0000 1100 i i i i nnnn
0000 1001 0xxx xxxx
0000 1101 i i i i nnnn
0010 1000 0xxx xxxx
0010 1100 i i i i nnnn
0010 1001 0xxx xxxx
0010 1101 i i i i nnnn
0001 1010 0xxx xxxx
0001 1110 i i i i nnnn
0001 1011 0xxx xxxx
0001 1111 i i i i nnnn
0000 1010 0xxx xxxx
0000 1110 i i i i nnnn
0000 1011 0xxxxxxx
0000 1111 i i i i nnnn
0100 1010 0xxx xxxx
0100 1010 1xxx xxxx
Mnemonic
ADD
ADD
ADDR
ADDR
ADC
ADC
ADCR
ADCR
ADU
ADU
ADUR
ADUR
SUB
SUB
SUBR
SUBR
SBC
SBC
SBCR
SBCR
INC
DEC
R, ACC
WRn, #I
R, ACC
WRn, #I
R, ACC
WRn, #I
R, ACC
WRn, #I
R, ACC
WRn, #I
R, ACC
WRn, #I
R, ACC
WRn, #I
R, ACC
WRn, #I
R, ACC
WRn, #I
R, ACC
WRn, #I
R
R
Function
ACCâ(R) + (ACC)
ACCâ(WRn) + I
ACC, Râ(R) + (ACC)
ACC, WRnâ(WRn) + I
ACCâ(R) + (ACC) + (CF)
ACCâ(WRn) + I + (CF)
ACC, Râ(R) + (ACC) + (CF)
ACC, WRnâ(WRn) + I + (CF)
ACCâ(R) + (ACC)
ACCâ(WRn) + I
ACC, Râ(R) + (ACC)
ACC, WRnâ(WRn) + I
ACCâ(R) - (ACC)
ACCâ(WRn) - I
ACC, Râ(R) - (ACC)
ACC, WRâ(WR) - I
ACCâ(R) - (ACC) - (CF)
ACCâ(WRn) - I - (CF)
ACC, Râ(R) - (ACC) - (CF)
ACC, WRnâ(WRn) - I - (CF)
ACC, Râ(R) + 1
ACC, Râ(R) - 1
Flag affected W/C
ZF, CF
1/1
ZF, CF
1/1
ZF, CF
1/1
ZF, CF
1/1
ZF, CF
1/1
ZF, CF
1/1
ZF, CF
1/1
ZF, CF
1/1
ZF
1/1
ZF
1/1
ZF
1/1
ZF
1/1
ZF, CF
1/1
ZF, CF
1/1
ZF, CF
1/1
ZF, CF
1/1
ZF, CF
1/1
ZF, CF
1/1
ZF, CF
1/1
ZF, CF
1/1
ZF, CF
1/1
ZF, CF
1/1
Publication Release Date: March 2003
- 41 -
Revision A1
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