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Technology Stocks : Advanced Micro Devices - Moderated (AMD)

AMD 200.46

-17.2%

3:59 PM EST

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To: jcholewa who wrote (19742)	11/20/2000 11:37:03 AM
From: TechieGuy-alt	Read Replies (3) of 275872

as ROL is used by hardly any program out there. Err, excuse me, programs must have changed a LOT since I last looked at assy lang and programmed some for embedded systems. bitwise rotate left is (was ?) the usual way to do multiplies by any factor of 2. Additionally, any bitwise masking operations (like reading a bit from a port- very usual in embedded programming at least) is handled with the same instruction. You OR the new bit in the LSb and rotate left to make room for the next one. AJIMHO TG

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