Syntax:

• SANDBIS

Description:

SANDBIS performs the logical AND operation on the top and next-to-top levels of the stack, and updates the top of the stack with the result:

Stack before SANDBIS:

High Bank	Low Bank
A	B	Top
C	D	Next

Stack after SANDBIS:

High Bank	Low Bank
A&C	B&D	Top
C	D	Next

Note: A, B, C, D denote TRUE or FALSE.

Microcode Pattern:

Takes 1 cycles to execute.
    Example: SANDBIS

	  
	STKC
	----
	 AD2

	  

Exceptions :

No exceptions.

Example :

IPUSHEQ 255 3 0xa 0xb !! Pushes on both banks of 
                      !! the stack integer 
                      !! condition for equality
					  
IPUSHEQ 255 3 0xc 0xd !! Pushes on both banks of 
                      !! the stack integer 
                      !! condition for equality

SANDBIS               !! Performs the SANDBIS 
                      !! operation as described above