Boolean operations are similar to integer operations. Constant Boolean operations are performed with boolean expressions converted to boolean bytes (0 or 1) and using procedures for integer calculation.

Turbo Pascal uses a very interesting way of dealing with boolean expressions. Each boolean expression contains a conditional opcode to jump if the expression evaluates to True and two linked lists of jumps. One list contains jumps to code which executes when the expression evaluates to True while the other list contains jumps to code …