SM8958B Datasheet, PDF (16/49 Pages) SyncMOS Technologies,Inc – 256 bytes SRAM as standard 8052

Mnemonic
ACALL addr11
LCALL addr16
RET
RETI
AJMP addr11
LJMP addr16
SJMP rel
JMP @A+DPTR
JZ rel
JNZ rel
JC rel
JNC
JB bit,rel
JNB bit,rel
JBC bit,direct rel
CJNE A,direct rel
CJNE A,#data rel
CJNE Rn,#data rel
CJNE @Ri,#data rel
DJNZ Rn,rel
DJNZ direct,rel
NOP
Mnemonic
CLR C
CLR bit
SETB C
SETB bit
CPL C
CPL bit
ANL C,bit
ANL C,/bit
ORL C,bit
ORL C,/bit
MOV C,bit
MOV bit,C
Table 2-4: Program branches
Description
Absolute subroutine call
Long subroutine call
from subroutine
from interrupt
Absolute jump
Long iump
Short jump (relative addr.)
Jump indirect relative to the DPTR
Jump if accumulator is zero
Jump if accumulator is not zero
Jump if carry flag is set
Jump if carry flag is not set
Jump if direct bit is set
Jump if direct bit is not set
Jump if direct bit is set and clear bit
Compare direct byte to A and jump if not equal
Compare immediate to A and jump if not equal
Compare immed. to reg. and jump if not equal
Compare immed. to ind. and jump if not equal
Decrement register and jump if not zero
Decrement direct byte and jump if not zero
No operation
Table 2-5: Boolean manipulation
Description
Clear carry flag
Clear direct bit
Set carry flag
Set direct bit
Complement carry flag
Complement direct bit
AND direct bit to carry flag
AND complement of direct bit to carry
OR direct bit to carry flag
OR complement of direct bit to carry
Move direct bit to carry flag
Move carry flag to direct bit
SM8958B
8-Bit Micro-controller
32KB Flash
& 1KB RAM embedded
Code
xxx11
12
22
32
xxx01
02
80
73
60
70
40
50
20
30
10
B5
B4
B8-BF
B6-B7
D8-DF
D5
00
Bytes
2
3
1
1
2
3
2
1
2
2
2
2
3
3
3
3
3
3
3
2
3
1
Cycles
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
1
Code
C3
C2
D3
D2
B3
B2
82
B0
72
A0
A2
92
Bytes
1
2
1
2
1
2
2
2
2
2
2
2
Cycles
1
1
1
1
1
1
2
2
2
2
1
2
Specifications subject to change without notice contact your sales representatives for the most recent information.
ISSFD-M085
Ver D SM8958B 08/07/2015
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