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Fix some issues with opcodes saving 32-bit results where they should save 16-bit

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Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@1248
This commit is contained in:
Sjoerd van der Berg 2003-09-12 16:28:20 +00:00
parent cdfcb17335
commit ccbc6f2a8b
1 changed files with 11 additions and 11 deletions
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22
src/cpu/core_normal/prefix_66_0f.h
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@ -25,8 +25,8 @@
Bitu saveval;
if (!which) CPU_SLDT(saveval);
else CPU_STR(saveval);
if (rm >= 0xc0) {GetEArd;*eard=saveval;}
else {GetEAa;SaveMd(eaa,saveval);}
if (rm >= 0xc0) {GetEArw;*earw=(Bit16u)saveval;}
else {GetEAa;SaveMw(eaa,saveval);}
}
break;
case 0x02:case 0x03:case 0x04:case 0x05:
@ -57,13 +57,13 @@
switch (which) {
case 0x00: /* SGDT */
CPU_SGDT(limit,base);
SaveMw(eaa,limit);
SaveMd(eaa+2,base);
SaveMw(eaa,(Bit16u)limit);
SaveMd(eaa+2,(Bit32u)base);
break;
case 0x01: /* SIDT */
CPU_SIDT(limit,base);
SaveMw(eaa,limit);
SaveMd(eaa+2,base);
SaveMw(eaa,(Bit16u)limit);
SaveMd(eaa+2,(Bit32u)base);
break;
case 0x02: /* LGDT */
CPU_LGDT(LoadMw(eaa),LoadMd(eaa+2));
@ -73,22 +73,22 @@
break;
case 0x04: /* SMSW */
CPU_SMSW(limit);
SaveMw(eaa,limit);
SaveMw(eaa,(Bit16u)limit);
break;
case 0x06: /* LMSW */
limit=LoadMw(eaa);
if (!CPU_LMSW(limit)) goto decode_end;
if (!CPU_LMSW((Bit16u)limit)) goto decode_end;
break;
}
} else {
GetEArw;Bitu limit;
GetEArd;Bitu limit;
switch (which) {
case 0x04: /* SMSW */
CPU_SMSW(limit);
*earw=limit;
*eard=(Bit32u)limit;
break;
case 0x06: /* LMSW */
if (!CPU_LMSW(*earw)) goto decode_end;
if (!CPU_LMSW(*eard)) goto decode_end;
break;
default:
LOG(LOG_CPU,LOG_ERROR)("Illegal group 7 RM subfunction %d",which);