[hbelusca] 64686: [FAST486] - In order to always check for opcode handler being NULL, replace the only NULL handler by a non-NULL one that handles the invalid opcodes. - To quickly retrieve opcode ...
11 Oct
2014
11 Oct
'14
11:12 p.m.
Author: hbelusca
Date: Sat Oct 11 23:12:30 2014
New Revision: 64686
URL: http://svn.reactos.org/svn/reactos?rev=64686&view=rev
Log:
[FAST486]
- In order to always check for opcode handler being NULL, replace the only NULL handler by
a non-NULL one that handles the invalid opcodes.
- To quickly retrieve opcode numbers, add their numbers in regard to their handlers.
Modified:
trunk/reactos/lib/fast486/fast486.c
trunk/reactos/lib/fast486/opcodes.c
trunk/reactos/lib/fast486/opcodes.h
Modified: trunk/reactos/lib/fast486/fast486.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/lib/fast486/fast486.c?rev=…
==============================================================================
--- trunk/reactos/lib/fast486/fast486.c [iso-8859-1] (original)
+++ trunk/reactos/lib/fast486/fast486.c [iso-8859-1] Sat Oct 11 23:12:30 2014
@@ -50,6 +50,7 @@
Fast486ExecutionControl(PFAST486_STATE State, FAST486_EXEC_CMD Command)
{
UCHAR Opcode;
+ FAST486_OPCODE_HANDLER_PROC CurrentHandler;
INT ProcedureCallCount = 0;
/* Main execution loop */
@@ -68,22 +69,12 @@
// TODO: Check for CALL/RET to update ProcedureCallCount.
- if (Fast486OpcodeHandlers[Opcode] != NULL)
- {
- /* Call the opcode handler */
- Fast486OpcodeHandlers[Opcode](State, Opcode);
- }
- else
- {
- /* This is not a valid opcode */
- Fast486Exception(State, FAST486_EXCEPTION_UD);
- }
-
- if (Fast486OpcodeHandlers[Opcode] == Fast486OpcodePrefix)
- {
- /* This is a prefix, go to the next instruction immediately */
- continue;
- }
+ /* Call the opcode handler */
+ CurrentHandler = Fast486OpcodeHandlers[Opcode];
+ CurrentHandler(State, Opcode);
+
+ /* If this is a prefix, go to the next instruction immediately */
+ if (CurrentHandler == Fast486OpcodePrefix) continue;
/* A non-prefix opcode has been executed, reset the prefix flags */
State->PrefixFlags = 0;
@@ -100,9 +91,8 @@
/* Clear the interrupt status */
State->IntStatus = FAST486_INT_NONE;
}
- else if (State->Flags.If
- && (State->IntAckCallback != NULL)
- && (State->IntStatus == FAST486_INT_SIGNAL))
+ else if (State->Flags.If && (State->IntStatus ==
FAST486_INT_SIGNAL)
+ && (State->IntAckCallback != NULL))
{
/* Acknowledge the interrupt to get the number */
State->PendingIntNum = State->IntAckCallback(State);
@@ -116,10 +106,10 @@
State->IntStatus = FAST486_INT_EXECUTE;
}
}
- while ((Command == FAST486_CONTINUE)
- || (Command == FAST486_STEP_OVER && ProcedureCallCount > 0)
- || (Command == FAST486_STEP_OUT && ProcedureCallCount >= 0)
- || (Fast486OpcodeHandlers[Opcode] == Fast486OpcodePrefix));
+ while ((CurrentHandler == Fast486OpcodePrefix) ||
+ (Command == FAST486_CONTINUE) ||
+ (Command == FAST486_STEP_OVER && ProcedureCallCount > 0) ||
+ (Command == FAST486_STEP_OUT && ProcedureCallCount >= 0));
}
/* DEFAULT CALLBACKS **********************************************************/
Modified: trunk/reactos/lib/fast486/opcodes.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/lib/fast486/opcodes.c?rev=…
==============================================================================
--- trunk/reactos/lib/fast486/opcodes.c [iso-8859-1] (original)
+++ trunk/reactos/lib/fast486/opcodes.c [iso-8859-1] Sat Oct 11 23:12:30 2014
@@ -38,70 +38,71 @@
FAST486_OPCODE_HANDLER_PROC
Fast486OpcodeHandlers[FAST486_NUM_OPCODE_HANDLERS] =
{
- Fast486OpcodeAddByteModrm,
+ Fast486OpcodeAddByteModrm, /* 0x00 - 0x03 */
Fast486OpcodeAddModrm,
Fast486OpcodeAddByteModrm,
Fast486OpcodeAddModrm,
- Fast486OpcodeAddAl,
- Fast486OpcodeAddEax,
- Fast486OpcodePushEs,
- Fast486OpcodePopEs,
- Fast486OpcodeOrByteModrm,
+ Fast486OpcodeAddAl, /* 0x04 */
+ Fast486OpcodeAddEax, /* 0x05 */
+ Fast486OpcodePushEs, /* 0x06 */
+ Fast486OpcodePopEs, /* 0x07 */
+ Fast486OpcodeOrByteModrm, /* 0x08 - 0x0B */
Fast486OpcodeOrModrm,
Fast486OpcodeOrByteModrm,
Fast486OpcodeOrModrm,
- Fast486OpcodeOrAl,
- Fast486OpcodeOrEax,
- Fast486OpcodePushCs,
- Fast486OpcodeExtended,
- Fast486OpcodeAdcByteModrm,
+ Fast486OpcodeOrAl, /* 0x0C */
+ Fast486OpcodeOrEax, /* 0x0D */
+ Fast486OpcodePushCs, /* 0x0E */
+ Fast486OpcodeExtended, /* 0x0F */
+ Fast486OpcodeAdcByteModrm, /* 0x10 - 0x13 */
Fast486OpcodeAdcModrm,
Fast486OpcodeAdcByteModrm,
Fast486OpcodeAdcModrm,
- Fast486OpcodeAdcAl,
- Fast486OpcodeAdcEax,
- Fast486OpcodePushSs,
- Fast486OpcodePopSs,
- Fast486OpcodeSbbByteModrm,
+ Fast486OpcodeAdcAl, /* 0x14 */
+ Fast486OpcodeAdcEax, /* 0x15 */
+ Fast486OpcodePushSs, /* 0x16 */
+ Fast486OpcodePopSs, /* 0x17 */
+ Fast486OpcodeSbbByteModrm, /* 0x18 - 0x1B */
Fast486OpcodeSbbModrm,
Fast486OpcodeSbbByteModrm,
Fast486OpcodeSbbModrm,
- Fast486OpcodeSbbAl,
- Fast486OpcodeSbbEax,
- Fast486OpcodePushDs,
- Fast486OpcodePopDs,
- Fast486OpcodeAndByteModrm,
+ Fast486OpcodeSbbAl, /* 0x1C */
+ Fast486OpcodeSbbEax, /* 0x1D */
+ Fast486OpcodePushDs, /* 0x1E */
+ Fast486OpcodePopDs, /* 0x1F */
+ Fast486OpcodeAndByteModrm, /* 0x20 - 0x23 */
Fast486OpcodeAndModrm,
Fast486OpcodeAndByteModrm,
Fast486OpcodeAndModrm,
- Fast486OpcodeAndAl,
- Fast486OpcodeAndEax,
- Fast486OpcodePrefix,
- Fast486OpcodeDaa,
- Fast486OpcodeCmpSubByteModrm,
+ Fast486OpcodeAndAl, /* 0x24 */
+ Fast486OpcodeAndEax, /* 0x25 */
+ Fast486OpcodePrefix, /* 0x26 */
+ Fast486OpcodeDaa, /* 0x27 */
+ Fast486OpcodeCmpSubByteModrm, /* 0x28 - 0x2B */
Fast486OpcodeCmpSubModrm,
Fast486OpcodeCmpSubByteModrm,
Fast486OpcodeCmpSubModrm,
- Fast486OpcodeCmpSubAl,
- Fast486OpcodeCmpSubEax,
- Fast486OpcodePrefix,
- Fast486OpcodeDas,
- Fast486OpcodeXorByteModrm,
+ Fast486OpcodeCmpSubAl, /* 0x2C */
+ Fast486OpcodeCmpSubEax, /* 0x2D */
+ Fast486OpcodePrefix, /* 0x2E */
+ Fast486OpcodeDas, /* 0x2F */
+ Fast486OpcodeXorByteModrm, /* 0x30 - 0x33 */
Fast486OpcodeXorModrm,
Fast486OpcodeXorByteModrm,
Fast486OpcodeXorModrm,
- Fast486OpcodeXorAl,
- Fast486OpcodeXorEax,
- Fast486OpcodePrefix,
- Fast486OpcodeAaa,
- Fast486OpcodeCmpSubByteModrm,
+ Fast486OpcodeXorAl, /* 0x34 */
+ Fast486OpcodeXorEax, /* 0x35 */
+ Fast486OpcodePrefix, /* 0x36 */
+ Fast486OpcodeAaa, /* 0x37 */
+ Fast486OpcodeCmpSubByteModrm, /* 0x38 - 0x3B */
Fast486OpcodeCmpSubModrm,
Fast486OpcodeCmpSubByteModrm,
Fast486OpcodeCmpSubModrm,
- Fast486OpcodeCmpSubAl,
- Fast486OpcodeCmpSubEax,
- Fast486OpcodePrefix,
- Fast486OpcodeAas,
+ Fast486OpcodeCmpSubAl, /* 0x3C */
+ Fast486OpcodeCmpSubEax, /* 0x3D */
+ Fast486OpcodePrefix, /* 0x3E */
+ Fast486OpcodeAas, /* 0x3F */
+ Fast486OpcodeIncrement, /* 0x40 - 0x47 */
Fast486OpcodeIncrement,
Fast486OpcodeIncrement,
Fast486OpcodeIncrement,
@@ -109,7 +110,7 @@
Fast486OpcodeIncrement,
Fast486OpcodeIncrement,
Fast486OpcodeIncrement,
- Fast486OpcodeIncrement,
+ Fast486OpcodeDecrement, /* 0x48 - 0x4F */
Fast486OpcodeDecrement,
Fast486OpcodeDecrement,
Fast486OpcodeDecrement,
@@ -117,7 +118,7 @@
Fast486OpcodeDecrement,
Fast486OpcodeDecrement,
Fast486OpcodeDecrement,
- Fast486OpcodeDecrement,
+ Fast486OpcodePushReg, /* 0x50 - 0x57 */
Fast486OpcodePushReg,
Fast486OpcodePushReg,
Fast486OpcodePushReg,
@@ -125,7 +126,7 @@
Fast486OpcodePushReg,
Fast486OpcodePushReg,
Fast486OpcodePushReg,
- Fast486OpcodePushReg,
+ Fast486OpcodePopReg, /* 0x58 - 0x5F */
Fast486OpcodePopReg,
Fast486OpcodePopReg,
Fast486OpcodePopReg,
@@ -133,23 +134,23 @@
Fast486OpcodePopReg,
Fast486OpcodePopReg,
Fast486OpcodePopReg,
- Fast486OpcodePopReg,
- Fast486OpcodePushAll,
- Fast486OpcodePopAll,
- Fast486OpcodeBound,
- Fast486OpcodeArpl,
+ Fast486OpcodePushAll, /* 0x60 */
+ Fast486OpcodePopAll, /* 0x61 */
+ Fast486OpcodeBound, /* 0x62 */
+ Fast486OpcodeArpl, /* 0x63 */
+ Fast486OpcodePrefix, /* 0x64 - 0x67 */
Fast486OpcodePrefix,
Fast486OpcodePrefix,
Fast486OpcodePrefix,
- Fast486OpcodePrefix,
- Fast486OpcodePushImm,
- Fast486OpcodeImulModrmImm,
- Fast486OpcodePushByteImm,
- Fast486OpcodeImulModrmImm,
- Fast486OpcodeIns,
- Fast486OpcodeIns,
- Fast486OpcodeOuts,
- Fast486OpcodeOuts,
+ Fast486OpcodePushImm, /* 0x68 */
+ Fast486OpcodeImulModrmImm, /* 0x69 */
+ Fast486OpcodePushByteImm, /* 0x6A */
+ Fast486OpcodeImulModrmImm, /* 0x6B */
+ Fast486OpcodeIns, /* 0x6C */
+ Fast486OpcodeIns, /* 0x6D */
+ Fast486OpcodeOuts, /* 0x6E */
+ Fast486OpcodeOuts, /* 0x6F */
+ Fast486OpcodeShortConditionalJmp, /* 0x70 - 0x7F */
Fast486OpcodeShortConditionalJmp,
Fast486OpcodeShortConditionalJmp,
Fast486OpcodeShortConditionalJmp,
@@ -165,55 +166,55 @@
Fast486OpcodeShortConditionalJmp,
Fast486OpcodeShortConditionalJmp,
Fast486OpcodeShortConditionalJmp,
- Fast486OpcodeShortConditionalJmp,
- Fast486OpcodeGroup8082,
- Fast486OpcodeGroup81,
- Fast486OpcodeGroup8082,
- Fast486OpcodeGroup83,
- Fast486OpcodeTestByteModrm,
- Fast486OpcodeTestModrm,
- Fast486OpcodeXchgByteModrm,
- Fast486OpcodeXchgModrm,
- Fast486OpcodeMovByteModrm,
- Fast486OpcodeMovModrm,
- Fast486OpcodeMovByteModrm,
- Fast486OpcodeMovModrm,
- Fast486OpcodeMovStoreSeg,
- Fast486OpcodeLea,
- Fast486OpcodeMovLoadSeg,
- Fast486OpcodeGroup8F,
- Fast486OpcodeNop,
+ Fast486OpcodeGroup8082, /* 0x80 */
+ Fast486OpcodeGroup81, /* 0x81 */
+ Fast486OpcodeGroup8082, /* 0x82 */
+ Fast486OpcodeGroup83, /* 0x83 */
+ Fast486OpcodeTestByteModrm, /* 0x84 */
+ Fast486OpcodeTestModrm, /* 0x85 */
+ Fast486OpcodeXchgByteModrm, /* 0x86 */
+ Fast486OpcodeXchgModrm, /* 0x87 */
+ Fast486OpcodeMovByteModrm, /* 0x88 */
+ Fast486OpcodeMovModrm, /* 0x89 */
+ Fast486OpcodeMovByteModrm, /* 0x8A */
+ Fast486OpcodeMovModrm, /* 0x8B */
+ Fast486OpcodeMovStoreSeg, /* 0x8C */
+ Fast486OpcodeLea, /* 0x8D */
+ Fast486OpcodeMovLoadSeg, /* 0x8E */
+ Fast486OpcodeGroup8F, /* 0x8F */
+ Fast486OpcodeNop, /* 0x90 */
+ Fast486OpcodeExchangeEax, /* 0x91 - 0x97 */
Fast486OpcodeExchangeEax,
Fast486OpcodeExchangeEax,
Fast486OpcodeExchangeEax,
Fast486OpcodeExchangeEax,
Fast486OpcodeExchangeEax,
Fast486OpcodeExchangeEax,
- Fast486OpcodeExchangeEax,
- Fast486OpcodeCwde,
- Fast486OpcodeCdq,
- Fast486OpcodeCallAbs,
- Fast486OpcodeWait,
- Fast486OpcodePushFlags,
- Fast486OpcodePopFlags,
- Fast486OpcodeSahf,
- Fast486OpcodeLahf,
- Fast486OpcodeMovAlOffset,
- Fast486OpcodeMovEaxOffset,
- Fast486OpcodeMovOffsetAl,
- Fast486OpcodeMovOffsetEax,
- Fast486OpcodeMovs,
- Fast486OpcodeMovs,
- Fast486OpcodeCmps,
- Fast486OpcodeCmps,
- Fast486OpcodeTestAl,
- Fast486OpcodeTestEax,
- Fast486OpcodeStos,
- Fast486OpcodeStos,
- Fast486OpcodeLods,
- Fast486OpcodeLods,
- Fast486OpcodeScas,
- Fast486OpcodeScas,
+ Fast486OpcodeCwde, /* 0x98 */
+ Fast486OpcodeCdq, /* 0x99 */
+ Fast486OpcodeCallAbs, /* 0x9A */
+ Fast486OpcodeWait, /* 0x9B */
+ Fast486OpcodePushFlags, /* 0x9C */
+ Fast486OpcodePopFlags, /* 0x9D */
+ Fast486OpcodeSahf, /* 0x9E */
+ Fast486OpcodeLahf, /* 0x9F */
+ Fast486OpcodeMovAlOffset, /* 0xA0 */
+ Fast486OpcodeMovEaxOffset, /* 0xA1 */
+ Fast486OpcodeMovOffsetAl, /* 0xA2 */
+ Fast486OpcodeMovOffsetEax, /* 0xA3 */
+ Fast486OpcodeMovs, /* 0xA4 */
+ Fast486OpcodeMovs, /* 0xA5 */
+ Fast486OpcodeCmps, /* 0xA6 */
+ Fast486OpcodeCmps, /* 0xA7 */
+ Fast486OpcodeTestAl, /* 0xA8 */
+ Fast486OpcodeTestEax, /* 0xA9 */
+ Fast486OpcodeStos, /* 0xAA */
+ Fast486OpcodeStos, /* 0xAB */
+ Fast486OpcodeLods, /* 0xAC */
+ Fast486OpcodeLods, /* 0xAD */
+ Fast486OpcodeScas, /* 0xAE */
+ Fast486OpcodeScas, /* 0xAF */
+ Fast486OpcodeMovByteRegImm, /* 0xB0 - 0xB7 */
Fast486OpcodeMovByteRegImm,
Fast486OpcodeMovByteRegImm,
Fast486OpcodeMovByteRegImm,
@@ -221,7 +222,7 @@
Fast486OpcodeMovByteRegImm,
Fast486OpcodeMovByteRegImm,
Fast486OpcodeMovByteRegImm,
- Fast486OpcodeMovByteRegImm,
+ Fast486OpcodeMovRegImm, /* 0xB8 - 0xBF */
Fast486OpcodeMovRegImm,
Fast486OpcodeMovRegImm,
Fast486OpcodeMovRegImm,
@@ -229,32 +230,31 @@
Fast486OpcodeMovRegImm,
Fast486OpcodeMovRegImm,
Fast486OpcodeMovRegImm,
- Fast486OpcodeMovRegImm,
- Fast486OpcodeGroupC0,
- Fast486OpcodeGroupC1,
- Fast486OpcodeRet,
- Fast486OpcodeRet,
- Fast486OpcodeLdsLes,
- Fast486OpcodeLdsLes,
- Fast486OpcodeGroupC6,
- Fast486OpcodeGroupC7,
- Fast486OpcodeEnter,
- Fast486OpcodeLeave,
- Fast486OpcodeRetFar,
- Fast486OpcodeRetFar,
- Fast486OpcodeInt,
- Fast486OpcodeInt,
- Fast486OpcodeInt,
- Fast486OpcodeIret,
- Fast486OpcodeGroupD0,
+ Fast486OpcodeGroupC0, /* 0xC0 */
+ Fast486OpcodeGroupC1, /* 0xC1 */
+ Fast486OpcodeRet, /* 0xC2 */
+ Fast486OpcodeRet, /* 0xC3 */
+ Fast486OpcodeLdsLes, /* 0xC4 */
+ Fast486OpcodeLdsLes, /* 0xC5 */
+ Fast486OpcodeGroupC6, /* 0xC6 */
+ Fast486OpcodeGroupC7, /* 0xC7 */
+ Fast486OpcodeEnter, /* 0xC8 */
+ Fast486OpcodeLeave, /* 0xC9 */
+ Fast486OpcodeRetFar, /* 0xCA */
+ Fast486OpcodeRetFar, /* 0xCB */
+ Fast486OpcodeInt, /* 0xCC */
+ Fast486OpcodeInt, /* 0xCD */
+ Fast486OpcodeInt, /* 0xCE */
+ Fast486OpcodeIret, /* 0xCF */
+ Fast486OpcodeGroupD0, /* 0xD0 - 0xD3 */
Fast486OpcodeGroupD1,
Fast486OpcodeGroupD2,
Fast486OpcodeGroupD3,
- Fast486OpcodeAam,
- Fast486OpcodeAad,
- Fast486OpcodeSalc,
- Fast486OpcodeXlat,
- Fast486FpuOpcodeD8DC,
+ Fast486OpcodeAam, /* 0xD4 */
+ Fast486OpcodeAad, /* 0xD5 */
+ Fast486OpcodeSalc, /* 0xD6 */
+ Fast486OpcodeXlat, /* 0xD7 */
+ Fast486FpuOpcodeD8DC, /* 0xD8 - 0xDF */
Fast486FpuOpcodeD9,
Fast486FpuOpcodeDA,
Fast486FpuOpcodeDB,
@@ -262,41 +262,48 @@
Fast486FpuOpcodeDD,
Fast486FpuOpcodeDE,
Fast486FpuOpcodeDF,
+ Fast486OpcodeLoop, /* 0xE0 - 0xE2 */
Fast486OpcodeLoop,
Fast486OpcodeLoop,
- Fast486OpcodeLoop,
- Fast486OpcodeJecxz,
- Fast486OpcodeInByte,
- Fast486OpcodeIn,
- Fast486OpcodeOutByte,
- Fast486OpcodeOut,
- Fast486OpcodeCall,
- Fast486OpcodeJmp,
- Fast486OpcodeJmpAbs,
- Fast486OpcodeShortJump,
- Fast486OpcodeInByte,
- Fast486OpcodeIn,
- Fast486OpcodeOutByte,
- Fast486OpcodeOut,
- Fast486OpcodePrefix,
- NULL, // Invalid
- Fast486OpcodePrefix,
- Fast486OpcodePrefix,
- Fast486OpcodeHalt,
- Fast486OpcodeComplCarry,
- Fast486OpcodeGroupF6,
- Fast486OpcodeGroupF7,
- Fast486OpcodeClearCarry,
- Fast486OpcodeSetCarry,
- Fast486OpcodeClearInt,
- Fast486OpcodeSetInt,
- Fast486OpcodeClearDir,
- Fast486OpcodeSetDir,
- Fast486OpcodeGroupFE,
- Fast486OpcodeGroupFF,
+ Fast486OpcodeJecxz, /* 0xE3 */
+ Fast486OpcodeInByte, /* 0xE4 */
+ Fast486OpcodeIn, /* 0xE5 */
+ Fast486OpcodeOutByte, /* 0xE6 */
+ Fast486OpcodeOut, /* 0xE7 */
+ Fast486OpcodeCall, /* 0xE8 */
+ Fast486OpcodeJmp, /* 0xE9 */
+ Fast486OpcodeJmpAbs, /* 0xEA */
+ Fast486OpcodeShortJump, /* 0xEB */
+ Fast486OpcodeInByte, /* 0xEC */
+ Fast486OpcodeIn, /* 0xED */
+ Fast486OpcodeOutByte, /* 0xEE */
+ Fast486OpcodeOut, /* 0xEF */
+ Fast486OpcodePrefix, /* 0xF0 */
+ Fast486OpcodeInvalid, /* 0xF1 */ // Invalid opcode
+ Fast486OpcodePrefix, /* 0xF2 */
+ Fast486OpcodePrefix, /* 0xF3 */
+ Fast486OpcodeHalt, /* 0xF4 */
+ Fast486OpcodeComplCarry, /* 0xF5 */
+ Fast486OpcodeGroupF6, /* 0xF6 */
+ Fast486OpcodeGroupF7, /* 0xF7 */
+ Fast486OpcodeClearCarry, /* 0xF8 */
+ Fast486OpcodeSetCarry, /* 0xF9 */
+ Fast486OpcodeClearInt, /* 0xFA */
+ Fast486OpcodeSetInt, /* 0xFB */
+ Fast486OpcodeClearDir, /* 0xFC */
+ Fast486OpcodeSetDir, /* 0xFD */
+ Fast486OpcodeGroupFE, /* 0xFE */
+ Fast486OpcodeGroupFF, /* 0xFF */
};
/* PUBLIC FUNCTIONS ***********************************************************/
+
+FAST486_OPCODE_HANDLER(Fast486OpcodeInvalid)
+{
+ /* This is not a valid opcode */
+ Fast486Exception(State, FAST486_EXCEPTION_UD);
+ return FALSE;
+}
FAST486_OPCODE_HANDLER(Fast486OpcodePrefix)
{
Modified: trunk/reactos/lib/fast486/opcodes.h
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/lib/fast486/opcodes.h?rev=…
==============================================================================
--- trunk/reactos/lib/fast486/opcodes.h [iso-8859-1] (original)
+++ trunk/reactos/lib/fast486/opcodes.h [iso-8859-1] Sat Oct 11 23:12:30 2014
@@ -36,6 +36,8 @@
extern
FAST486_OPCODE_HANDLER_PROC
Fast486OpcodeHandlers[FAST486_NUM_OPCODE_HANDLERS];
+
+FAST486_OPCODE_HANDLER(Fast486OpcodeInvalid);
FAST486_OPCODE_HANDLER(Fast486OpcodePrefix);
FAST486_OPCODE_HANDLER(Fast486OpcodeIncrement);
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