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Demolish
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PostPosted: Mon Jul 18, 2011 6:57 am    Post subject: Root Reply with quote
Hey how to root(i mean math action) in assembly?
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Dark Byte
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PostPosted: Mon Jul 18, 2011 7:47 am    Post subject: Reply with quote
I don't have much experience with floating point values and assembler, but the FSQRT instruction will calculate the root stored in ST(0) and place the result in ST(0)

(So I'd guess use fld or fild to push the value in the fpu, then FSQRT to get the square root from it, and then fstp or fistp to store it back to memory)
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Demolish
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Joined: 27 Dec 2010
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PostPosted: Mon Jul 18, 2011 1:05 pm    Post subject: Reply with quote
ok thank you for help i googled for fsqrt and found how to use it

Code:
fld x
fsqrt
fst x
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