IP2022 User’s Manual—Instruction Set Architecture www.ubicom.com 89 decsnz fr Decrement fr
into fr then skip if
not zero
(STATUS not
updated) 1/2 0100 111f ffff ffff None decsnz w,fr Decrement fr
into W then skip
if not zero
(STATUS not
updated) 1/2 0100 110f ffff ffff None decsz fr Decrement fr
into fr then skip if
zero (STATUS
not updated) 1/2 0010 111f ffff ffff None decsz w,fr Decrement fr
into W then skip
if zero (STATUS
not updated) 1/2 0010 110f ffff ffff None inc fr Increment fr into
fr 1 0010 101f ffff ffff Z inc w,fr Increment fr into
W 1 0010 100f ffff ffff Z Table 3-4  Arithmetic and Shift Instructions (continued) Assembler Syntax Description Opcode