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https://github.com/AppleWin/AppleWin.git
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This reduces the chances of incompatibility between gcc and vs. 99% is "const char *" literals. 1 case of a goto jumping over a variable declaration (but it is not needed).
559 lines
14 KiB
C++
559 lines
14 KiB
C++
/*
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AppleWin : An Apple //e emulator for Windows
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Copyright (C) 2006-2014, Tom Charlesworth, Michael Pohoreski
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AppleWin is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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AppleWin is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with AppleWin; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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/* Description: Data Blocks shown in Disassembler
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*
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* Author: Copyright (C) 2009 - 2010 Michael Pohoreski
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*/
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#include "StdAfx.h"
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#include "Debug.h"
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// Disassembler Data ______________________________________________________________________________
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// __ Debugger Interface ____________________________________________________________________________
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//===========================================================================
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WORD _CmdDefineByteRange(int nArgs,int iArg,DisasmData_t & tData_)
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{
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WORD nAddress = 0;
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WORD nAddress2 = 0;
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WORD nEnd = 0;
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int nLen = 0;
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memset( (void*) &tData_, 0, sizeof(tData_) );
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// DB address
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// DB symbol
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// bool bisAddress ...
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if( nArgs < 1 )
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{
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nAddress = g_nDisasmCurAddress;
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}
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else
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{
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RangeType_t eRange = Range_Get( nAddress, nAddress2, iArg);
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if ((eRange == RANGE_HAS_END) ||
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(eRange == RANGE_HAS_LEN))
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{
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Range_CalcEndLen( eRange, nAddress, nAddress2, nEnd, nLen );
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nLen--; // Disassembly_IsDataAddress() is *inclusive* // KEEP IN SYNC: _CmdDefineByteRange() CmdDisasmDataList() _6502_GetOpmodeOpbyte() FormatNopcodeBytes()
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}
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else
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{
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if( nArgs > 1 )
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nAddress = g_aArgs[ 2 ].nValue;
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else
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nAddress = g_aArgs[ 1 ].nValue;
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}
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}
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// 2.7.0.35 DW address -- round the length up to even number for convenience.
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// Example: 'DW 6062' is equivalent to: 'DW 6062:6063'
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if( g_iCommand == CMD_DEFINE_DATA_WORD1 )
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{
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if( ~nLen & 1 )
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nLen++;
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}
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tData_.nStartAddress = nAddress;
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tData_.nEndAddress = nAddress + nLen;
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// tData_.nArraySize = 0;
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const char *pSymbolName = "";
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char aSymbolName[ MAX_SYMBOLS_LEN+1 ];
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SymbolTable_Index_e eSymbolTable = SYMBOLS_ASSEMBLY;
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bool bAutoDefineName = false; // 2.7.0.34
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if( nArgs > 1 )
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{
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if( g_aArgs[ 2 ].eToken == TOKEN_COLON ) // 2.7.0.31 Bug fix: DB range, i.e. DB 174E:174F
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{
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bAutoDefineName = true;
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}
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else
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{
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g_aArgs[ 1 ].sArg[MAX_SYMBOLS_LEN] = 0; // truncate to max symbol length
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pSymbolName = g_aArgs[1].sArg;
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}
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}
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else
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{
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bAutoDefineName = true;
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}
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// 2.7.0.34 Unified auto-defined name: B_, W_, T_ for byte, word, or text respectively
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// Old name: auto define D_# DB $XX
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// Example 'DB' or 'DW' with 1 arg
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// DB 801
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if( bAutoDefineName )
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{
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if( g_iCommand == CMD_DEFINE_DATA_STR )
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sprintf( aSymbolName, "T_%04X", tData_.nStartAddress ); // ASC range
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else
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if( g_iCommand == CMD_DEFINE_DATA_WORD1 )
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sprintf( aSymbolName, "W_%04X", tData_.nStartAddress ); // DW range
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else
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sprintf( aSymbolName, "B_%04X", tData_.nStartAddress ); // DB range
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pSymbolName = aSymbolName;
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}
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// bRemoveSymbol = false // use arg[2]
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// bUpdateSymbol = true // add the symbol to the table
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SymbolUpdate( eSymbolTable, pSymbolName, nAddress, false, true );
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// TODO: Note: need to call ConsoleUpdate(), as may print symbol has been updated
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strcpy_s( tData_.sSymbol, sizeof(tData_.sSymbol), pSymbolName );
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return nAddress;
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}
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// Undefine Data
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//===========================================================================
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Update_t CmdDisasmDataDefCode (int nArgs)
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{
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// treat memory (bytes) as code
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if (! ((nArgs <= 2) || (nArgs == 4)))
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{
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return Help_Arg_1( CMD_DISASM_CODE );
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}
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DisasmData_t tData;
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int iArg = 2;
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WORD nAddress = _CmdDefineByteRange( nArgs, iArg, tData );
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// Need to iterate through all blocks
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// DB TEST1 300:320
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// DB TEST2 310:330
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// DB TEST3 320:340
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// X TEST1
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DisasmData_t *pData = Disassembly_IsDataAddress( nAddress );
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if( pData )
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{
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// TODO: Do we need to split the data !?
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//Disassembly_DelData( tData );
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pData->iDirective = _NOP_REMOVED;
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// TODO: Remove symbol 'D_FA62' from symbol table!
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}
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else
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{
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Disassembly_DelData( tData );
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}
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return UPDATE_DISASM | ConsoleUpdate();
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}
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const char* g_aNopcodeTypes[ NUM_NOPCODE_TYPES ] =
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{
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"-n/a-"
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,"byte1"
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,"byte2"
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,"byte4"
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,"byte8"
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,"word1"
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,"word2"
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,"word4"
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,"addr "
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,"hex "
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,"char "
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,"ascii"
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,"apple"
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,"mixed"
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,"FAC "
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,"bmp "
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};
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// Command: B
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// no args
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// List the data blocks
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//===========================================================================
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Update_t CmdDisasmDataList (int nArgs)
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{
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// Need to iterate through all blocks
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DisasmData_t* pData = NULL;
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while( (pData = Disassembly_Enumerate( pData )) )
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{
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if (pData->iDirective != _NOP_REMOVED)
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{
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int nLen = strlen( pData->sSymbol );
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char sText[CONSOLE_WIDTH * 2];
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// <smbol> <type> <start>:<end>
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// `TEST `300`:`320
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ConsolePrintFormat( sText, "%s%s %s%*s %s%04X%s:%s%04X"
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, CHC_CATEGORY
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, g_aNopcodeTypes[ pData->eElementType ]
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, (nLen > 0) ? CHC_SYMBOL : CHC_DEFAULT
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, MAX_SYMBOLS_LEN
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, (nLen > 0) ? pData->sSymbol : "???"
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, CHC_ADDRESS
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, pData->nStartAddress
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, CHC_ARG_SEP
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, CHC_ADDRESS
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, pData->nEndAddress // Disassembly_IsDataAddress() is *inclusive* // KEEP IN SYNC: _CmdDefineByteRange() CmdDisasmDataList() _6502_GetOpmodeOpbyte() FormatNopcodeBytes()
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);
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}
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}
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return UPDATE_DISASM | ConsoleUpdate();
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}
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// Common code
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//===========================================================================
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Update_t _CmdDisasmDataDefByteX (int nArgs)
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{
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// DB
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// DB symbol // use current instruction pointer
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// DB symbol address
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// DB symbol range:range
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// DB address
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// To "return to code" use ."X"
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int iCmd = g_aArgs[0].nValue - NOP_BYTE_1;
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if (nArgs > 4) // 2.7.0.31 Bug fix: DB range, i.e. DB 174E:174F
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{
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return Help_Arg_1( CMD_DEFINE_DATA_BYTE1 + iCmd );
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}
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DisasmData_t tData;
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int iArg = 2;
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if (nArgs == 3 ) // 2.7.0.31 Bug fix: DB range, i.e. DB 174E:175F
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{
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if ( g_aArgs[ 2 ].eToken == TOKEN_COLON )
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iArg = 1;
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}
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WORD nAddress = _CmdDefineByteRange( nArgs, iArg, tData );
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// TODO: Allow user to select which assembler to use for displaying directives!
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// tData.iDirective = FIRST_M_DIRECTIVE + ASM_M_DEFINE_BYTE;
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tData.iDirective = g_aAssemblerFirstDirective[ g_iAssemblerSyntax ] + ASM_DEFINE_BYTE;
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tData.eElementType = (Nopcode_e)( NOP_BYTE_1 + iCmd );
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tData.bSymbolLookup = false;
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tData.nTargetAddress = 0;
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// Already exists, so update
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DisasmData_t *pData = Disassembly_IsDataAddress( nAddress );
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if( pData )
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{
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*pData = tData;
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}
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else
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Disassembly_AddData( tData );
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return UPDATE_DISASM | ConsoleUpdate();
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}
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/*
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Usage:
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DW
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DW symbol
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DW symbol address
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DW symbol range:range
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DW address Auto-define W_#### where # is the address
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DW range Auto-define W_#### where # is the address
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Examples:
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DW 3F2:3F3
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*/
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//===========================================================================
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Update_t _CmdDisasmDataDefWordX (int nArgs)
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{
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int iCmd = g_aArgs[0].nValue - NOP_WORD_1;
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if (nArgs > 4) // 2.7.0.31 Bug fix: DB range, i.e. DB 174E:174F
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{
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return Help_Arg_1( CMD_DEFINE_DATA_WORD1 + iCmd );
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}
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DisasmData_t tData;
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int iArg = 2;
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if (nArgs == 3 ) // 2.7.0.33 Bug fix: DW range, i.e. DW 3F2:3F3
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{
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if ( g_aArgs[ 2 ].eToken == TOKEN_COLON )
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iArg = 1;
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}
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WORD nAddress = _CmdDefineByteRange( nArgs, iArg, tData );
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// tData.iDirective = FIRST_M_DIRECTIVE + ASM_M_DEFINE_WORD;
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tData.iDirective = g_aAssemblerFirstDirective[ g_iAssemblerSyntax ] + ASM_DEFINE_WORD;
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tData.eElementType = (Nopcode_e)( NOP_WORD_1 + iCmd );
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tData.bSymbolLookup = false;
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tData.nTargetAddress = 0;
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// Already exists, so update
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DisasmData_t *pData = Disassembly_IsDataAddress( nAddress );
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if( pData )
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{
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*pData = tData;
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}
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else
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Disassembly_AddData( tData );
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return UPDATE_DISASM | ConsoleUpdate();
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}
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//===========================================================================
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Update_t CmdDisasmDataDefAddress8H (int nArgs)
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{
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return UPDATE_DISASM;
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}
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//===========================================================================
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Update_t CmdDisasmDataDefAddress8L (int nArgs)
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{
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return UPDATE_DISASM;
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}
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//===========================================================================
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Update_t CmdDisasmDataDefAddress16 (int nArgs)
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{
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int iCmd = NOP_WORD_1 - g_aArgs[0].nValue;
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if (! ((nArgs <= 2) || (nArgs == 4)))
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{
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return Help_Arg_1( CMD_DEFINE_DATA_WORD1 + iCmd );
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}
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DisasmData_t tData;
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int iArg = 2;
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WORD nAddress = _CmdDefineByteRange( nArgs, iArg, tData );
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// tData.iDirective = FIRST_M_DIRECTIVE + ASM_M_DEFINE_WORD;
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tData.iDirective = g_aAssemblerFirstDirective[ g_iAssemblerSyntax ] + ASM_DEFINE_ADDRESS_16;
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tData.eElementType = NOP_ADDRESS;
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tData.bSymbolLookup = true;
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tData.nTargetAddress = 0; // dynamic -- will be filled in ...
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// Already exists, so update
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DisasmData_t *pData = Disassembly_IsDataAddress( nAddress );
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if( pData )
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{
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*pData = tData;
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}
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else
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Disassembly_AddData( tData );
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return UPDATE_DISASM | ConsoleUpdate();
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}
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// DB
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Update_t CmdDisasmDataDefByte1 ( int nArgs )
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{
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g_aArgs[0].nValue = NOP_BYTE_1;
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return _CmdDisasmDataDefByteX( nArgs );
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}
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// DB2
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Update_t CmdDisasmDataDefByte2 ( int nArgs )
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{
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g_aArgs[0].nValue = NOP_BYTE_2;
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return _CmdDisasmDataDefByteX( nArgs );
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}
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Update_t CmdDisasmDataDefByte4 ( int nArgs )
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{
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g_aArgs[0].nValue = NOP_BYTE_4;
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return _CmdDisasmDataDefByteX( nArgs );
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}
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Update_t CmdDisasmDataDefByte8 ( int nArgs )
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{
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g_aArgs[0].nValue = NOP_BYTE_8;
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return _CmdDisasmDataDefByteX( nArgs );
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}
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// DW
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Update_t CmdDisasmDataDefWord1 ( int nArgs )
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{
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g_aArgs[0].nValue = NOP_WORD_1;
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return _CmdDisasmDataDefWordX( nArgs );
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}
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// DW2
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Update_t CmdDisasmDataDefWord2 ( int nArgs )
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{
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g_aArgs[0].nValue = NOP_WORD_2;
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return _CmdDisasmDataDefWordX( nArgs );
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}
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Update_t CmdDisasmDataDefWord4 ( int nArgs )
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{
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g_aArgs[0].nValue = NOP_WORD_4;
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return _CmdDisasmDataDefWordX( nArgs );
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}
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// Command: DS
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// ASC range Auto-define T_#### where # is the address
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Update_t CmdDisasmDataDefString ( int nArgs )
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{
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int iCmd = 0; // Define Ascii, AppleText, MixedText (DOS3.3)
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if (nArgs > 4) // 2.7.0.31 Bug fix: DB range, i.e. DB 174E:174F
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{
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return Help_Arg_1( CMD_DEFINE_DATA_STR + iCmd );
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}
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DisasmData_t tData;
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int iArg = 2;
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if (nArgs == 3 ) // 2.7.0.32 Bug fix: ASC range, i.e. ASC 174E:175F
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{
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if ( g_aArgs[ 2 ].eToken == TOKEN_COLON )
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iArg = 1;
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}
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WORD nAddress = _CmdDefineByteRange( nArgs, iArg, tData );
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// tData.iDirective = g_aAssemblerFirstDirective[ g_iAssemblerSyntax ] + ASM_DEFINE_APPLE_TEXT;
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tData.iDirective = FIRST_M_DIRECTIVE + ASM_M_ASCII; // ASM_MERLIN
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tData.eElementType = (Nopcode_e)( NOP_STRING_APPLE + iCmd );
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tData.bSymbolLookup = false;
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tData.nTargetAddress = 0;
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// Already exists, so update
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DisasmData_t *pData = Disassembly_IsDataAddress( nAddress );
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if( pData )
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{
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*pData = tData;
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}
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else
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Disassembly_AddData( tData );
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return UPDATE_DISASM | ConsoleUpdate();
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}
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// __ Disassembler View Interface ____________________________________________________________________
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/// @param pCurrent NULL start a new serch, or continue enumerating
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//===========================================================================
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DisasmData_t* Disassembly_Enumerate( DisasmData_t *pCurrent )
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{
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DisasmData_t *pData = NULL; // bIsNopcode = false
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int nDataTargets = g_aDisassemblerData.size();
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if( nDataTargets )
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{
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DisasmData_t *pBegin = & g_aDisassemblerData[ 0 ];
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DisasmData_t *pEnd = & g_aDisassemblerData[ nDataTargets - 1 ];
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if( pCurrent )
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{
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pCurrent++;
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if (pCurrent <= pEnd)
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pData = pCurrent;
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} else {
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pData = pBegin;
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}
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}
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return pData;
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}
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// returns NULL if address has no data associated with it
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//===========================================================================
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DisasmData_t* Disassembly_IsDataAddress ( WORD nAddress )
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{
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DisasmData_t *pData = NULL; // bIsNopcode = false
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int nDataTargets = g_aDisassemblerData.size();
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if( nDataTargets )
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{
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// TODO: Replace with binary search -- should store data in sorted order, via start address
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pData = & g_aDisassemblerData[ 0 ];
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for( int iTarget = 0; iTarget < nDataTargets; iTarget++ )
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{
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if( pData->iDirective != _NOP_REMOVED )
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{
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if( (nAddress >= pData->nStartAddress) && (nAddress <= pData->nEndAddress) )
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{
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return pData;
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}
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}
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pData++;
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}
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pData = NULL; // bIsNopCode = false
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}
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return pData;
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}
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// Notes: tData.iDirective should not be _NOP_REMOVED !
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//===========================================================================
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void Disassembly_AddData( DisasmData_t tData)
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{
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g_aDisassemblerData.push_back( tData );
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}
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// DEPRECATED ! Inlined in _6502_GetOpmodeOpbyte() !
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//===========================================================================
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void Disassembly_GetData ( WORD nBaseAddress, const DisasmData_t *pData, DisasmLine_t & line_ )
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{
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if( !pData )
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{
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#if _DEBUG
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ConsoleDisplayError( "Disassembly_GetData() but we don't have a valid DisasmData_t *" );
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#endif
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return;
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}
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}
|
|
|
|
//===========================================================================
|
|
void Disassembly_DelData( DisasmData_t tData)
|
|
{
|
|
// g_aDisassemblerData.erase( );
|
|
WORD nAddress = tData.nStartAddress;
|
|
|
|
DisasmData_t *pData = NULL; // bIsNopcode = false
|
|
int nDataTargets = g_aDisassemblerData.size();
|
|
|
|
if( nDataTargets )
|
|
{
|
|
// TODO: Replace with binary search -- should store data in sorted order, via start address
|
|
pData = & g_aDisassemblerData[ 0 ];
|
|
for( int iTarget = 0; iTarget < nDataTargets; iTarget++ )
|
|
{
|
|
if (pData->iDirective != _NOP_REMOVED)
|
|
{
|
|
if ((nAddress >= pData->nStartAddress) && (nAddress < pData->nEndAddress))
|
|
{
|
|
pData->iDirective = _NOP_REMOVED;
|
|
}
|
|
}
|
|
pData++;
|
|
}
|
|
pData = NULL; // bIsNopCode = false
|
|
}
|
|
}
|
|
|