Instruction Set Architecture—IP2022 User’s Manual 90 www.ubicom.com incsnz fr Increment fr into
fr then skip if not
zero (STATUS
not updated) 1/2 0101 101f ffff ffff None incsnz w,fr Increment fr into
W then skip if not
zero (STATUS
not updated) 1/2 0101 100f ffff ffff None incsz fr Increment fr into
fr then skip if
zero (STATUS
not updated) 1/2 0011 111f ffff ffff None incsz w,fr Increment fr into
W then skip if
zero (STATUS
not updated) 1/2 0011 110f ffff ffff None muls w,fr Signed 8 × 8
multiply (bit 7 =
sign) W,fr into
MULH || W 1 0101 010f ffff ffff None Table 3-4  Arithmetic and Shift Instructions (continued) Assembler Syntax Description Opcode