34 lines
963 B
C++
34 lines
963 B
C++
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// $Header: G:/SwDev/WDM/Video/bt848/rcs/Distr.cpp 1.2 1998/04/29 22:43:33 tomz Exp $
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#include "mytypes.h"
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#define label( x ) } x: _asm {
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void CreateDistribution( WORD OrigFPS, WORD NeededFPS, PWORD lpwDistribution )
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{
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_asm {
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push edi
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mov edi, dword ptr lpwDistribution
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// mov es, word ptr lpwPixWidthMap+2
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mov ax, NeededFPS
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shl eax, 16
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movzx ecx, word ptr OrigFPS
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or cx, cx
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jz short end
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xor edx, edx
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div ecx
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mov ebx, eax
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mov eax, 8000H
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label( L1 ) and eax, 0FFFFh
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add eax, ebx
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shld edx, eax, 16
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mov [edi], dx
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add edi,2
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dec cx
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jnz short L1
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label( end )
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pop edi
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}
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}
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