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Texas Instruments TMS320C2XX User Manual

Page 348

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Exclusive OR With Accumulator

XOR

7-195

Assembly Language Instructions

Example 1

XOR

DAT127

;(DP = 511: addresses FF80h–FFFFh)

Before Instruction

After Instruction

Data Memory

Data Memory

0FFFFh

0F0F0h

0FFFFh

0F0F0h

ACC

X

12345678h

ACC

X

1234A688h

C

C

Example 2

XOR

*+,AR0

Before Instruction

After Instruction

ARP

7

ARP

0

AR7

300h

AR7

301h

Data Memory

Data Memory

300h

0FFFFh

300h

0FFFFh

ACC

X

1234F0F0h

ACC

X

12340F0Fh

C

C

Example 3

XOR

#0F0F0h,4

;(First shift data value left by

;four)

Before Instruction

After Instruction

ACC

X

11111010h

ACC

X

111E1F10h

C

C