Instruction Set Architecture—IP2022 User’s Manual 138 www.ubicom.com DECSNZ W,fr   Decrement fr into W then Skip if Not Zero Operation: W  =  fr  -  1;  if  nonzero  result,  then  skip  next
instruction Bits affected: None Opcode: 0100 110f ffff ffff Description: This   instruction   decrements   the   value   in   the
specified  data  memory  location  and  moves  the
result  to  W.  The  data  memory  location  is  left
unchanged. If  the  result  is  zero,  the  next  instruction  in  the
program is skipped. Otherwise,                                                                               program
execution    proceeds    normally    with    the    next
instruction. Cycles: 1 if tested condition is false; 2 if tested condition
is true