6 implementation details – Texas Instruments MSP50C6xx User Manual
Page 320
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Implementation Details
5-24
5.6
Implementation Details
This section is C– – specific.
5.6.1
Comparisons
We use the CMP instruction for both signed and unsigned comparisons. The
two integers a and b to be compared are in A0 and A0~.
CMP A0,A0~ : A0 contains a, A0~ contains b
A0
A0~
ACO
AZ
ANEG
5
0
1
0
0
5
1
1
0
0
0
5
0
0
1
1
5
0
0
1
0
0
1
1
0
5
5
1
1
0
FFFF
0
1
0
1
0
FFFF
0
0
0
FFFF
FFFF
1
1
0
FFFF
FFFE
1
0
0
FFFE
FFFF
0
0
1
-
Signed comparison of a and b. (a is in A0, b is in A0~)
Assembly
Test
Condition
_eq
a = b
AEQ
_ne
a != b
!AEQ
_lt
a < b
ALZ
_le
a <= b
!AGT
_ge
a >= b
!ALZ
_gt
a > b
AGT
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