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Example
Before instruction
A1
0000 325Ah
A2
FFFF FF12h
A5:A4
xxxx xxxxh
†
Unsigned 32-bit integer
‡
Signed 40-bit (long) integer
SPRU733
Subtract Two Unsigned Integers Without Saturation
SUBU .L1
A1,A2,A5:A4
†
12810
†
4294967058
xxxx xxxxh
1 cycle after instruction
A1
0000 325Ah
A2
FFFF FF12h
A5:A4
0000 00FFh 0000 3348h
SUBU
‡
−4294954168
Instruction Set
3-267
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- Tms320C67X Dsp Architecture
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