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C/C++ Users Group Library 1996 July
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C-C++ Users Group Library July 1996.iso
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vol_200
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250_01
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asin.s
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1987-10-27
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.ttl "asin.s"
* MC68020/MC68881 IEEE Format Single Precision Routines
*
* Written by: Edmund H. Ramm
*
* _asin entry point for single prec. arc sine, operand in 4(sp)
*
* sp 4
* ---------------
* | ret | x |
.text
.globl _asin
_asin:
*
* on exit, d0 = asin( 4(sp) )
*
* fasin.s 4(sp),fp0 * fp0 <-- asin( 4(sp) )
dc.w $f22f,$440c,$0004
* fmove.d fp0,d0 * d0 <-- arc sine
dc.w $f200,$6400
rts
.end