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Lets .... Play .... Quake cvs diff -u fpu.cppcvs diff -u fpu.cpp

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Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@1742
This commit is contained in:
Peter Veenstra 2004-03-29 18:03:02 +00:00
parent 1c2bf685d7
commit 9cae461d02
1 changed files with 19 additions and 4 deletions
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23
src/fpu/fpu.cpp
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@ -16,7 +16,7 @@
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
/* $Id: fpu.cpp,v 1.17 2004-01-19 18:54:15 qbix79 Exp $ */
/* $Id: fpu.cpp,v 1.18 2004-03-29 18:03:02 qbix79 Exp $ */
#include "dosbox.h"
#if C_FPU
@ -109,7 +109,7 @@ INLINE Bitu FPU_GET_C3(void){
/* WATCHIT : ALWAYS UPDATE REGISTERS BEFORE AND AFTER USING THEM
STATUS WORD => FPU_SET_TOP(TOP) BEFORE a read
TOP=FPU_GET_TOP() after a write;
TOP=FPU_GET_TOP() after a write;
*/
static void EATREE(Bitu _rm){
Bitu group=(_rm >> 3) & 7;
@ -152,7 +152,7 @@ void FPU_ESC0_EA(Bitu rm,PhysPt addr) {
float f;
Bit32u l;
} blah;
blah.l = mem_readd(addr);
blah.l = mem_readd(addr);
fpu.regs[8].d = static_cast<double>(blah.f);
EATREE(rm);
}
@ -391,7 +391,22 @@ void FPU_ESC2_EA(Bitu rm,PhysPt addr) {
void FPU_ESC2_Normal(Bitu rm) {
Bitu group=(rm >> 3) & 7;
Bitu sub=(rm & 7);
LOG(LOG_FPU,LOG_WARN)("ESC 2:Unhandled group %d subfunction %d",group,sub);
switch(group){
case 0x05:
switch(sub){
case 0x01: /* FUCOMPP Almost the same as FCOMPP */
FPU_FCOM(TOP,ST(1));
FPU_FPOP();
FPU_FPOP();
break;
default:
LOG(LOG_FPU,LOG_WARN)("ESC 2:Unhandled group %d subfunction %d",group,sub);
break;
}
default:
LOG(LOG_FPU,LOG_WARN)("ESC 2:Unhandled group %d subfunction %d",group,sub);
break;
}
}