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Removed double segment prefix base add for SIB lookups

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Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@1167
This commit is contained in:
Sjoerd van der Berg 2003-07-27 19:47:47 +00:00
parent 359e55ed8c
commit 09ed20abec
1 changed files with 9 additions and 9 deletions
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18
src/cpu/core_16/table_ea.h
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@ -273,25 +273,25 @@ INLINE PhysPt Sib_s(Bitu mode) {
PhysPt base;
switch (sib&7) {
case 0: /* EAX Base */
base=core_16.segbase+reg_eax;break;
base=reg_eax;break;
case 1: /* ECX Base */
base=core_16.segbase+reg_ecx;break;
base=reg_ecx;break;
case 2: /* EDX Base */
base=core_16.segbase+reg_edx;break;
base=reg_edx;break;
case 3: /* EBX Base */
base=core_16.segbase+reg_ebx;break;
base=reg_ebx;break;
case 4: /* ESP Base */
base=core_16.segbase+reg_esp;break;
base=reg_esp;break;
case 5: /* #1 Base */
if (!mode) {
base=core_16.segbase+Fetchd();break;
base=Fetchd();break;
} else {
base=core_16.segbase+reg_ebp;break;
base=reg_ebp;break;
}
case 6: /* ESI Base */
base=core_16.segbase+reg_esi;break;
base=reg_esi;break;
case 7: /* EDI Base */
base=core_16.segbase+reg_edi;break;
base=reg_edi;break;
}
base+=*SIBIndex[(sib >> 3) &7] << (sib >> 6);
return base;