Texas Instruments MSC1210 User Manual
Page 297
8052 Instruction Set
E-13
8052 Instruction Set
JMP
Jump to Data Pointer + Accumulator
Syntax
JMP @A+DPTR
Instructions
OpCode
Bytes
Cycles
Flags
JMP @A+DPTR
0x73
1
2
None
JMP jumps unconditionally to the address represented by the sum of the value
of DPTR and the value of the accumulator.
See also: LJMP, AJMP, SJMP
JNB
Jump if Bit Not Set
Syntax
JNB bitAddr,reladdr
Instructions
OpCode
Bytes
Cycles
Flags
JNB bitAddr,relAddr
0x30
3
2
None
JNB branches to the address indicated by relAddr if the indicated bit is not set.
If the bit is set, program execution continues with the instruction following the
JNB instruction.
See also: JB, JBC
JNC
Jump if Carry Not Set
Syntax
JNC reladdr
Instructions
OpCode
Bytes
Cycles
Flags
JNC relAddr
0x50
2
2
None
JNC branches to the address indicated by relAddr if the carry bit is not set. If
the carry bit is set, program execution continues with the instruction following
the JNB instruction.
See also: JC