Instruction Set Architecture—IP2022 User’s Manual 94 www.ubicom.com Table 3-7  Program Control Instructions Assembler Syntax Description Opcode call addr13 Call subroutine 3 110k kkkk kkkk kkkk None jmp addr13 Jump 3 111k kkkk kkkk kkkk None int Software inter-
rupt 3 0000 0000 0000 0110 None nop No operation 1 0000 0000 0000 0000 None ret Return from sub-
routine 3 0000 0000 0000 0111 PA2:0 reti #lit3 Return from
interrupt 3 0000 0000 0000 1nnn All retw #lit8 Return from sub-
routine with lit-
eral into W 3 0111 1000 kkkk kkkk PA2:0