Specifications

Assembler Syntax
xori rB, rA, IMM16
Example
xori r6, r7, 100
Description
Calculates the bitwise logical exclusive OR of rA and (0x0000 :
IMM16) and stores the result in rB.
Exceptions
None
Instruction Type
I
Instruction Fields
A = Register index of operand rA
B = Register index of operand rB
IMM16 = 16-bit unsigned immediate value
Bit Fields
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
A B IMM16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
IMM16 0x1c
Document Revision History
Table 8-25: Document Revision History
Date Version Changes
April 2015 2015.04.02 Maintenance release.
February 2014 13.1.0 Removed references to SOPC Builder.
May 2011 11.0.0 Maintenance release.
December 2010 10.1.0 Corrected comments delimiter (#) in instruction usage.
July 2010 10.0.0 Corrected typographical error in cmpgei instruction type.
November 2009 9.1.0 Added shadow register sets and external interrupt controller support,
including rdprs and wrprs instructions.
March 2009 9.0.0 Backwards-compatible change to the eret instruction B field
encoding.
November 2008 8.1.0 Maintenance release.
May 2008 8.0.0
• Added MMU.
• Added an Exceptions section to all instructions.
NII51017
2015.04.02
Document Revision History
8-85
Instruction Set Reference
Altera Corporation
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