case 0x00: nop(); break;
case 0x01: illegal(); break;
case 0x02: option(); break;
case 0x03: sleepic(); break;
case 0x04: clrwdt(); break;
case 0x05: tris(); break;
case 0x06: tris(); break;
case 0x07: tris(); break;
case 0x08: illegal(); break;
case 0x09: illegal(); break;
case 0x0A: illegal(); break;
case 0x0B: illegal(); break;
case 0x0C: illegal(); break;
case 0x0D: illegal(); break;
case 0x0E: illegal(); break;
case 0x0F: illegal(); break;