100 lines
1.5 KiB
NASM
100 lines
1.5 KiB
NASM
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page ,132
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title 87ctrig - C interfaces - sin, cos, tan
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;***
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;87ctrig.asm - trig functions (8087/emulator version)
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;
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; Copyright (c) 1984-2001, Microsoft Corporation. All rights reserved.
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;
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;Purpose:
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; C interfaces for the sin, cos, and tan functions (8087/emulator version)
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;
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;Revision History:
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; 07-04-84 GFW initial version
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; 05-08-87 BCM added C intrinsic interface (_CI...)
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; 10-12-87 BCM changes for OS/2 Support Library
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; 11-24-87 BCM added _loadds under ifdef DLL
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; 01-18-88 BCM eliminated IBMC20; ifos2,noos2 ==> ifmt,nomt
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; 08-26-88 WAJ 386 version
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; 11-20-89 WAJ Don't need pascal for MTHREAD 386.
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;
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;*******************************************************************************
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.xlist
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include cruntime.inc
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.list
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.data
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extrn _OP_SINjmptab:word
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extrn _OP_COSjmptab:word
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extrn _OP_TANjmptab:word
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page
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CODESEG
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extrn _ctrandisp1:near
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extrn _ctrandisp2:near
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public oldsin
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oldsin proc
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mov edx, OFFSET _OP_SINjmptab
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trigdisp::
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jmp _ctrandisp1
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oldsin endp
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public oldcos
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oldcos proc
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mov edx, OFFSET _OP_COSjmptab
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jmp trigdisp
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oldcos endp
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public oldtan
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oldtan proc
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mov edx, OFFSET _OP_TANjmptab
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jmp trigdisp
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oldtan endp
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extrn _cintrindisp1:near
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extrn _cintrindisp2:near
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public _old_CIsin
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_old_CIsin proc
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mov edx, OFFSET _OP_SINjmptab
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itrigdisp::
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jmp _cintrindisp1
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_old_CIsin endp
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public _old_CIcos
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_old_CIcos proc
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mov edx, OFFSET _OP_COSjmptab
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jmp itrigdisp
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_old_CIcos endp
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public _old_CItan
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_old_CItan proc
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mov edx, OFFSET _OP_TANjmptab
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jmp itrigdisp
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_old_CItan endp
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end
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