XC

 Execute next instruction(s) conditionally

 XOR

 Exclusive-OR data memory value with ACCL

Exclusive-OR long immediate, with left shift of 16, with ACC

Exclusive-OR long immediate, with left shift, with ACC

 XORB

 Exclusive-OR ACCB with ACC

 XPL

 Exclusive-OR data memory value with DBMR and store result in data memory location

Exclusive-OR data memory value with long immediate and store result in data memory location