Syntax : CALL k
Description : Subroutine call within 8K page. First, return address (PC+1) is pushed
into the stack. The thirteen bit value is loaded into PC bits <12:0>.
The upper 3 bits of the PC are loaded from PCLATH <7:5>. CALL is a
two cycle instruction.
| 111k | kkkk | kkkk | kkkk |