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Fixed FPU assembly. (fistp is 16bit, fistpl is 32bit)

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Game displays now.
This commit is contained in:
Steven Fuller 2001-08-09 06:23:42 +00:00 • committed by Patryk Obara
parent 45cf2eb3a1
commit ea2f8c4527
5 changed files with 64 additions and 27 deletions
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22
src/mathline.c
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@ -20,8 +20,10 @@ int WideMulNarrowDiv(int a, int b, int c);
void RotateVector_ASM(VECTORCH *v, MATRIXCH *m);
void RotateAndCopyVector_ASM(VECTORCH *v1, VECTORCH *v2, MATRIXCH *m);
#if 0
int FloatToInt(float);
#define f2i(a, b) { a = FloatToInt(b); }
#endif
void ADD_LL(LONGLONGCH *a, LONGLONGCH *b, LONGLONGCH *c)
{
@ -568,9 +570,9 @@ int SqRoot32(int A)
*/
__asm__("finit \n\t"
"fild sqrt_temp1 \n\t"
"fildl sqrt_temp1 \n\t"
"fsqrt \n\t"
"fistp sqrt_temp2 \n\t"
"fistpl sqrt_temp2 \n\t"
"fwait \n\t"
:
:
@ -600,6 +602,21 @@ __asm__("finit \n\t"
extern float fti_fptmp;
extern int fti_itmp;
void FloatToInt()
{
#if 1
__asm__("fld fti_fptmp \n\t"
"fistpl fti_itmp \n\t"
:
:
: "memory", "cc"
);
#else
fti_itmp = (int)fti_fptmp;
#endif
}
#if 0
int FloatToInt(float fptmp)
{
#if 1
@ -623,6 +640,7 @@ __asm__("fld fti_fptmp \n\t"
return fptmp;
#endif
}
#endif
void TranslatePoint(float *source, float *dest, float *matrix)
{