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Take normal core "ignore opcode 63h" option and port it to full core

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This commit is contained in:
Jonathan Campbell
2020-06-24 04:07:07 -07:00
parent 66b252ec42
commit d1e09ff709
1 changed files with 19 additions and 1 deletions
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20
src/cpu/core_full.cpp
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@@ -28,6 +28,8 @@
#include "inout.h" #include "inout.h"
#include "callback.h" #include "callback.h"
extern bool ignore_opcode_63;
#define CPU_CORE CPU_ARCHTYPE_386 #define CPU_CORE CPU_ARCHTYPE_386
typedef PhysPt EAPoint; typedef PhysPt EAPoint;
@@ -119,7 +121,23 @@ nextopcode:;
SaveIP(); SaveIP();
continue; continue;
illegalopcode: illegalopcode:
LOG(LOG_CPU,LOG_NORMAL)("Illegal opcode"); #if C_DEBUG
{
bool ignore=false;
Bitu len=(GetIP()-reg_eip);
LoadIP();
if (len>16) len=16;
char tempcode[16*2+1];char * writecode=tempcode;
if (ignore_opcode_63 && mem_readb(inst.cseip) == 0x63)
ignore = true;
for (;len>0;len--) {
sprintf(writecode,"%02X",mem_readb(inst.cseip++));
writecode+=2;
}
if (!ignore)
LOG(LOG_CPU,LOG_NORMAL)("Illegal/Unhandled opcode %s",tempcode);
}
#endif
CPU_Exception(0x6,0); CPU_Exception(0x6,0);
} }
FillFlags(); FillFlags();