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Recompiler now handles divide exceptions correctly - now runs Flight Simulator 5.1 with QEMM

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This commit is contained in:
TomW 2015-08-09 13:06:01 +01:00
commit 9715794e08
1 changed files with 8 additions and 0 deletions
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8
src/x86_ops_misc.h
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@ -95,6 +95,7 @@ static int opF6_a16(uint32_t fetchdat)
else else
{ {
x86_int(0); x86_int(0);
return 1;
} }
CLOCK_CYCLES(is486 ? 16 : 14); CLOCK_CYCLES(is486 ? 16 : 14);
break; break;
@ -116,6 +117,7 @@ static int opF6_a16(uint32_t fetchdat)
{ {
// pclog("IDIVb exception - %X / %08X = %X\n", tempws, dst, tempws2); // pclog("IDIVb exception - %X / %08X = %X\n", tempws, dst, tempws2);
x86_int(0); x86_int(0);
return 1;
} }
CLOCK_CYCLES(19); CLOCK_CYCLES(19);
break; break;
@ -183,6 +185,7 @@ static int opF6_a32(uint32_t fetchdat)
else else
{ {
x86_int(0); x86_int(0);
return 1;
} }
CLOCK_CYCLES(is486 ? 16 : 14); CLOCK_CYCLES(is486 ? 16 : 14);
break; break;
@ -204,6 +207,7 @@ static int opF6_a32(uint32_t fetchdat)
{ {
// pclog("IDIVb exception - %X / %08X = %X\n", tempws, dst, tempws2); // pclog("IDIVb exception - %X / %08X = %X\n", tempws, dst, tempws2);
x86_int(0); x86_int(0);
return 1;
} }
CLOCK_CYCLES(19); CLOCK_CYCLES(19);
break; break;
@ -274,6 +278,7 @@ static int opF7_w_a16(uint32_t fetchdat)
{ {
// fatal("DIVw BY 0 %04X:%04X %i\n",cs>>4,pc,ins); // fatal("DIVw BY 0 %04X:%04X %i\n",cs>>4,pc,ins);
x86_int(0); x86_int(0);
return 1;
} }
CLOCK_CYCLES(is486 ? 24 : 22); CLOCK_CYCLES(is486 ? 24 : 22);
break; break;
@ -291,6 +296,7 @@ static int opF7_w_a16(uint32_t fetchdat)
{ {
// pclog("IDIVw exception - %X / %08X = %X\n",tempws, dst, tempws2); // pclog("IDIVw exception - %X / %08X = %X\n",tempws, dst, tempws2);
x86_int(0); x86_int(0);
return 1;
} }
CLOCK_CYCLES(27); CLOCK_CYCLES(27);
break; break;
@ -358,6 +364,7 @@ static int opF7_w_a32(uint32_t fetchdat)
{ {
// fatal("DIVw BY 0 %04X:%04X %i\n",cs>>4,pc,ins); // fatal("DIVw BY 0 %04X:%04X %i\n",cs>>4,pc,ins);
x86_int(0); x86_int(0);
return 1;
} }
CLOCK_CYCLES(is486 ? 24 : 22); CLOCK_CYCLES(is486 ? 24 : 22);
break; break;
@ -375,6 +382,7 @@ static int opF7_w_a32(uint32_t fetchdat)
{ {
// pclog("IDIVw exception - %X / %08X = %X\n", tempws, dst, tempws2); // pclog("IDIVw exception - %X / %08X = %X\n", tempws, dst, tempws2);
x86_int(0); x86_int(0);
return 1;
} }
CLOCK_CYCLES(27); CLOCK_CYCLES(27);
break; break;