Stack Operations

Stack operations allow rearranging the values on the stack. The allowed stack operations in CCICAP are:

Operator - Definition

XY - interchange the values in x and y:

Step	x	y	z
-	Xo	Yo	Zo
XY	Yo	Xo	Zo

P - push 'down' the stack:

Step	x	y	z
-	Xo	Yo	Zo
P	Xo	Xo	Yo

R - roll the stack 'down':

Step	x	y	z
-	Xo	Yo	Zo
R	Zo	Xo	Yo

R^ - roll the stack 'up':

Step	x	y	z
-	Xo	Yo	Zo
R^	Yo	Zo	Xo