22.1.27.5 Instruction peeklu

Synopsys:

peeklu ENDIAN,BITS

Given an IOS descriptor and a bit-offset, peek an unsigned long value of width BITS bits. The endianness to be used is specified in the instruction arguments.

If there is a problem performing the operation, this function pushes an exception in the stack. Otherwise, it pushes the peeked value and PVM_NULL.

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