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The C Users' Group Library 1994 August
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wc-cdrom-cusersgrouplibrary-1994-08.iso
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vol_300
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359_11
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patch5.000
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EMU387
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E45.CC
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Wrap
C/C++ Source or Header
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1991-09-11
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426b
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28 lines
#include "emu.h"
#include "rmov.h"
void emu_45()
{
if (empty())
return;
if (modrm > 0277)
{
// fsubr st(i),st
int i = modrm & 7;
if (empty(i))
return;
reg tmp;
r_sub(st(i), st(), tmp);
r_mov(tmp, st(i));
return;
}
else
{
// fsubr m64real
reg t1, t2;
r_mov((double *)get_modrm(), t1);
r_sub(t1, st(), t2);
r_mov(t2, st());
}
}