SX Embedded Controller Instruction

DJNZ fr,addr

Description: Decrement fr , jump if not zero
Operation: -- fr == 0 ? PC = addr
Flags affected: none
Registers affected: fr PC
Sources referenced: fr
Cycles: 2 *
Opcode:
Actually compiles to: decsz fr; jmp addr
Microchip PIC syntax: DECFSZ fr,1; GOTO addr
Notes: