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BOUND - Chack Array Index Against Bounds
CPU: 80186+,NECs
Type of Instruction: User - HLL support
Instruction: BOUND index,bound_array
Description:
IF (index < (opsize ptr [bound_array]))
OR
(index > (opsize ptr [bound_array+opsize]))
THEN INT 5;
Flags Affected: No Flags Affected
CPU mode: RM,PM,VM,SMM
Note: (186s&NECs) saved CS:IP BOUND interrupt as pointer to following
instruction that self.
(286+) saved as pointer to BOUND instruction.
+++++++++++++++++++++++
Physical Form: BOUND reg16,mem32
BOUND reg32,mem64
COP (Code of Operation) : 62H Postbyte
Note: for 32bit op. add Pfix 66h if in 16bit mode
Clocks: BOUND reg16,mem16
In Range Out Range
80186: 33-35
80286: 13 int+13
80386: 10
i486: 7
Pentium: 8 int+32
Cx486SLC: 11 int+11
Cx486DX: 11 int+11
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Green Bank Telescope Enables "Intensity Mapping" to Shed Light on Mysteries of Dark Energy
Using the world's largest, fully steerable radio telescope--the National Science Foundation's Robert C. Byrd Green Bank Telescope (GBT) in W.Va.--an international team of researchers has given astronomers the promise of a new tool for mapping the universe and gaining valuable clues about the nature of the mysterious "dark energy" believed to constitute nearly three-fourths of the universe's mass and energy. "Intensity Mapping" offers the potential for ...
More at http://www.nsf.gov/news/news_summ.jsp?cntn_id=117366&WT.mc_id=USNSF_51&WT.mc_ev=click
This is an NSF News item.
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