INDXC0 and INDXC64 - Exclusive OR

INDXC0 input register values must be 31-bit addresses. INDXC64 input register values must be 64-bit addresses. Before issuing the macro, the user must load the registers as follows:
Register
Use
0
Used as a work register by the system
2
Real location of first operand and location for results of exclusive OR character operation
3
Length, in bytes, of operand pointed to by register 2. The length must be in bits 24-31 of register 3. Allows a maximum length of 256 bytes
4
Real location of the operand to be exclusive ORed with the operand pointed to by register 2.
14
Used as a work register by the system
15
Used as a work register by the system
1,5-13
Unused
The user invokes the 31-bit XC function by coding the following macro:
DATOFF INDXC0