CX - CC, CNC, CP, CM, CZ, CNZ, CPE, CPO

 


 

Opcode

Operand

Description

Cx

16-bit address

Call conditionally

 

 

—  The program sequence is transferred to the memory location specified by the 16-bit address given in the operand based on the specified flag of the PSW.

—  Before the transfer, the address of the next instruction after the call (the contents of the program counter) is pushed onto the stack.

—  Example: CZ 2034 H.


 

 

 

 

Opcode

Description

Status Flags

CC

Call if Carry

CY = 1

CNC

Call if No Carry

CY = 0

CP

Call if Positive

S = 0

CM

Call if Minus

S = 1

CZ

Call if Zero

Z = 1

CNZ

Call if No Zero

Z = 0

CPE

Call if Parity Even

P = 1

CPO

Call if Parity Odd

P = 0


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