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2.6.2.2 data disassembly prep and implementation

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This commit is contained in:
mpohoreski 2009-10-26 01:29:08 +00:00
parent 46854c95e7
commit a910a301a0
1 changed files with 107 additions and 17 deletions
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124
source/Debugger_Display.cpp
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@ -1203,10 +1203,11 @@ void DrawConsoleInput ()
// Disassembly ____________________________________________________________________________________
// Get the data needed to disassemble one line of opcodes
// Disassembly formatting flags returned
// @parama sTargetValue_ indirect/indexed final value
//===========================================================================
int GetDisassemblyLine( WORD nBaseAddress, DisasmLine_t & line_ )
int GetDisassemblyLine ( WORD nBaseAddress, DisasmLine_t & line_ )
// char *sAddress_, char *sOpCodes_,
// char *sTarget_, char *sTargetOffset_, int & nTargetOffset_,
// char *sTargetPointer_, char *sTargetValue_,
@ -1267,7 +1268,7 @@ int GetDisassemblyLine( WORD nBaseAddress, DisasmLine_t & line_ )
if (nOpbyte == 2)
nTarget &= 0xFF;
if (iOpmode == AM_R) // Relative ADDR_REL)
if (iOpmode == AM_R) // Relative
{
line_.bTargetRelative = true;
@ -1294,9 +1295,9 @@ int GetDisassemblyLine( WORD nBaseAddress, DisasmLine_t & line_ )
sprintf( line_.sBranch, "%s", g_sConfigBranchIndicatorEqual[ g_iConfigDisasmBranchType ] );
}
}
// intentional re-test AM_R ...
// if (strstr(g_aOpmodes[ iOpmode ]._sFormat,"%s"))
// if ((iOpmode >= ADDR_ABS) && (iOpmode <= ADDR_IABS))
// if ((iOpmode >= AM_A) && (iOpmode <= AM_NA))
if ((iOpmode == AM_A ) || // Absolute
(iOpmode == AM_Z ) || // Zeropage
(iOpmode == AM_AX ) || // Absolute, X
@ -1328,7 +1329,7 @@ int GetDisassemblyLine( WORD nBaseAddress, DisasmLine_t & line_ )
bDisasmFormatFlags |= DISASM_FORMAT_SYMBOL;
bDisasmFormatFlags |= DISASM_FORMAT_OFFSET;
pTarget = pSymbol;
line_.nTargetOffset = +1; // U FA82 LDA #3F1 BREAK+1
line_.nTargetOffset = +1; // U FA82 LDA $3F1 BREAK-1
}
}
@ -1340,7 +1341,7 @@ int GetDisassemblyLine( WORD nBaseAddress, DisasmLine_t & line_ )
bDisasmFormatFlags |= DISASM_FORMAT_SYMBOL;
bDisasmFormatFlags |= DISASM_FORMAT_OFFSET;
pTarget = pSymbol;
line_.nTargetOffset = -1; // U FA82 LDA #3F3 BREAK-1
line_.nTargetOffset = -1; // U FA82 LDA $3F3 BREAK+1
}
}
@ -1432,6 +1433,23 @@ int GetDisassemblyLine( WORD nBaseAddress, DisasmLine_t & line_ )
sprintf( line_.sAddress, "%04X", nBaseAddress );
// Opcode Bytes
FormatOpcodeBytes( nBaseAddress, line_ );
int nSpaces = strlen( line_.sOpCodes );
while (nSpaces < (int)nMinBytesLen)
{
strcat( line_.sOpCodes, " " );
nSpaces++;
}
return bDisasmFormatFlags;
}
//===========================================================================
void FormatOpcodeBytes ( WORD nBaseAddress, DisasmLine_t & line_ )
{
int nOpbyte = line_.nOpbyte;
char *pDst = line_.sOpCodes;
for( int iByte = 0; iByte < nOpbyte; iByte++ )
{
@ -1445,20 +1463,64 @@ int GetDisassemblyLine( WORD nBaseAddress, DisasmLine_t & line_ )
pDst++; // 2.5.3.3 fix
}
}
}
int nSpaces = strlen( line_.sOpCodes );
while (nSpaces < (int)nMinBytesLen)
// Formats Target string with bytes,words, string, etc...
//===========================================================================
void FormatNopcodeBytes ( WORD nBaseAddress, DisasmLine_t & line_ )
{
char *pDst = line_.sTarget;
for( int iByte = 0; iByte < line_.nOpbyte; )
{
strcat( line_.sOpCodes, " " );
nSpaces++;
BYTE nTarget8 = *(LPBYTE)(mem + nBaseAddress + iByte);
WORD nTarget16 = *(LPWORD)(mem + nBaseAddress + iByte);
switch( line_.iNoptype )
{
case NOP_BYTE_1:
sprintf( pDst, "$%02X", nTarget8 ); // sBytes+strlen(sBytes)
pDst += 3;
iByte++;
if( iByte < line_.nOpbyte )
{
*pDst++ = ',';
}
break;
case NOP_WORD_1:
sprintf( pDst, "$%04X", nTarget16 ); // sBytes+strlen(sBytes)
pDst += 5;
iByte+= 2;
if( iByte < line_.nOpbyte )
{
*pDst++ = ',';
}
break;
case NOP_STRING_APPLESOFT:
iByte = line_.nOpbyte;
strncpy( pDst, (const char*)(mem + nBaseAddress), iByte );
pDst += iByte;
*pDst = 0;
default:
break;
}
// else // 4 bytes
// if( line_.nOpbyte == 4)
// {
// }
// else // 8 bytes
// if( line_.nOpbyte == 8)
// {
// }
}
}
return bDisasmFormatFlags;
}
void FormatDisassemblyLine( const DisasmLine_t & line, char * sDisassembly, const int nBufferSize )
{
//> Address Seperator Opcodes Label Mnemonic Target [Immediate] [Branch]
//
// Data Disassembler
// Label Directive [Immediate]
const char * pMnemonic = g_aOpcodes[ line.iOpcode ].sMnemonic;
sprintf( sDisassembly, "%s:%s %s "
@ -1528,14 +1590,29 @@ WORD DrawDisassemblyLine ( int iLine, const WORD nBaseAddress )
int iOpmode;
int nOpbyte;
DisasmLine_t line;
LPCSTR pSymbol = NULL;
const char * pMnemonic = NULL;
int bDisasmFormatFlags = GetDisassemblyLine( nBaseAddress, line );
DisasmData_t *pData = Disassembly_IsDataAddress( nBaseAddress );
if( pData )
{
Disassembly_GetData( nBaseAddress, pData, line );
// pSymbol = line.sLabel;
}
{
pSymbol = FindSymbolFromAddress( nBaseAddress );
// strcpy( line.sLabel, pSymbol );
}
iOpcode = line.iOpcode;
iOpmode = line.iOpmode;
nOpbyte = line.nOpbyte;
// sAddress, sOpcodes, sTarget, sTargetOffset, nTargetOffset, sTargetPointer, sTargetValue, sImmediate, nImmediate, sBranch );
// Data Disassembler
//
// sAddress, sOpcodes, sTarget, sTargetOffset, nTargetOffset, sTargetPointer, sTargetValue, sImmediate, nImmediate, sBranch );
//> Address Seperator Opcodes Label Mnemonic Target [Immediate] [Branch]
//
//> xxxx: xx xx xx LABEL MNEMONIC 'E' =
@ -1767,15 +1844,23 @@ WORD DrawDisassemblyLine ( int iLine, const WORD nBaseAddress )
// linerect.left += (g_nFontWidthAvg * DISASM_SYMBOL_LEN);
// PrintTextCursorX( " ", linerect );
// Instruction
// Instruction / Mnemonic
linerect.left = (int) aTabs[ TS_INSTRUCTION ];
if (! bCursorLine)
DebuggerSetColorFG( DebuggerGetColor( iForeground ) );
const char * pMnemonic = g_aOpcodes[ iOpcode ].sMnemonic;
PrintTextCursorX( pMnemonic, linerect );
if( pData )
{
// pMnemonic = g_aAssemblerDirectives[ line.iNopcode ].sMnemonic;
pMnemonic = line.sMnemonic;
}
else
{
pMnemonic = g_aOpcodes[ iOpcode ].sMnemonic;
}
PrintTextCursorX( pMnemonic, linerect );
PrintTextCursorX( " ", linerect );
// Target
@ -1824,6 +1909,11 @@ WORD DrawDisassemblyLine ( int iLine, const WORD nBaseAddress )
PrintTextCursorX( pTarget, linerect );
// PrintTextCursorX( " ", linerect );
if( pData )
{
return nOpbyte;
}
// Target Offset +/-
if (bDisasmFormatFlags & DISASM_FORMAT_OFFSET)
{