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Thread: Cos, Sin

  1. Jun 18th, 2001, 05:56 PM #1
    ChimpFace9000
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    Post Cos, Sin

    Does any one have any "cos" or "sin" functions? Or any math functions that arent already in the assembly language?
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  2. Jun 23rd, 2001, 10:02 PM #2
    devmax
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    yes

    yes, there are some floating point function in assembly, like "fcos" and "fsin" and a lot of stuff...
    All what you dream is codable - DevMaX
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  3. Jun 24th, 2001, 01:17 AM #3
    ChimpFace9000
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    Mind telling me how to use them?
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  4. Jun 24th, 2001, 01:54 AM #4
    Jimbob42
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    in masm32, for example (dunno if the "qword ptr"s are needed)

    Code:
    .data
theta dq 1.2345
sin dq ?
cos dq ?

.code
fld qword ptr theta ;floating point load
fsincos             ;i think that sine is in st(0)
fstp qword ptr sin  ;store and pop sin
fstp qword ptr cos  ;store and pop cos
    there's a heap of other stuff, the documentation for a86 has just about all the opcodes and floating point opcodes (I'm not sure about asin or acos though)
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