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Added opcode 64 65 and 6B

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Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@288
This commit is contained in:
Sjoerd van der Berg 2002-09-17 06:35:04 +00:00
parent bc4b24a8bb
commit f02d440dc9
1 changed files with 17 additions and 4 deletions
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21
src/cpu/core_16/prefix_66.h
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@ -153,6 +153,10 @@ switch(Fetchb()) {
break;
case 0x68: /* PUSH Id */
Push_32(Fetchd());break;
case 0x64: /* SEG FS: */
SegPrefix_66(fs);break;
case 0x65: /* SEG GS: */
SegPrefix_66(gs);break;
case 0x69: /* IMUL Gd,Ed,Id */
{
GetRMrd;
@ -164,12 +168,21 @@ switch(Fetchb()) {
if ((res>-((Bit64s)(2147483647)+1)) && (res<(Bit64s)2147483647)) {flags.cf=false;flags.of=false;}
else {flags.cf=true;flags.of=true;}
break;
};
}
case 0x6a: /* PUSH Ib */
Push_32(Fetchbs());break;
case 0x6b: /* IMUL Gd,Ed,Ib */
{
GetRMrd;
Bit64s res;
if (rm >= 0xc0 ) {GetEArd;res=(Bit64s)(*eards) * (Bit64s)Fetchbs();}
else {GetEAa;res=(Bit64s)LoadMds(eaa) * (Bit64s)Fetchbs();}
*rmrd=(Bit32s)(res);
flags.type=t_MUL;
if ((res>-((Bit64s)(2147483647)+1)) && (res<(Bit64s)2147483647)) {flags.cf=false;flags.of=false;}
else {flags.cf=true;flags.of=true;}
break;
}
case 0x81: /* Grpl Ed,Id */
{
GetRM;