Make function BX=6 round ST0 to integer.

This commit is contained in:
Uwe Bonnes 1999-03-13 17:57:26 +00:00 committed by Alexandre Julliard
parent 73cc3ba131
commit 3209a0e6d1
1 changed files with 10 additions and 0 deletions

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@ -61,6 +61,15 @@ void WINAPI WIN87_fpmath( CONTEXT *context )
case 6: /* round top of stack to integer using method AX & 0x0C00 */
/* returns current controlword */
{
DWORD dw=0;
/* I don't know much about asm() programming. This could be
* wrong.
*/
__asm__ __volatile__("frndint");
__asm__ __volatile__("fist %0;wait" : "=m" (dw) : : "memory");
TRACE(int,"On top of stack is %ld\n",dw);
}
break;
case 7: /* POP top of stack as integer into DX:AX */
@ -98,6 +107,7 @@ void WINAPI WIN87_fpmath( CONTEXT *context )
break;
default: /* error. Say that loud and clear */
FIXME(int,"unhandled switch %d\n",BX_reg(context));
AX_reg(context) = DX_reg(context) = 0xFFFF;
break;
}