26.1.28.10 Instruction pokei

Synopsys:

pokei NENC,ENDIAN,BITS

Given an IOS descriptor, a bit-offset and an integer value of BITS bits, poke it. Use the negative encoding and endianness specified in the instruction arguments.

In case of an error, this instruction pushes an exception describing the error condition. Otherwise it pushes PVM_NULL.

Stack: ( INT ULONG INT -- EXCEPTION|null )