diff --git a/source/Debugger/Debugger_Assembler.cpp b/source/Debugger/Debugger_Assembler.cpp index c86483e1..6578ec98 100644 --- a/source/Debugger/Debugger_Assembler.cpp +++ b/source/Debugger/Debugger_Assembler.cpp @@ -509,6 +509,7 @@ int _6502_GetOpmodeOpbyte ( const int nBaseAddress, int & iOpmode_, int & nOpby case NOP_BYTE_2: nOpbyte_ = 2; iOpmode_ = AM_M; break; case NOP_BYTE_4: nOpbyte_ = 4; iOpmode_ = AM_M; break; case NOP_BYTE_8: nOpbyte_ = 8; iOpmode_ = AM_M; break; + case NOP_FAC : nOpbyte_ = 5; iOpmode_ = AM_M; break; case NOP_WORD_1: nOpbyte_ = 2; iOpmode_ = AM_M; break; case NOP_WORD_2: nOpbyte_ = 4; iOpmode_ = AM_M; break; case NOP_WORD_4: nOpbyte_ = 8; iOpmode_ = AM_M; break; diff --git a/source/Debugger/Debugger_Assembler.h b/source/Debugger/Debugger_Assembler.h index 56dddcb4..16fa7d2a 100644 --- a/source/Debugger/Debugger_Assembler.h +++ b/source/Debugger/Debugger_Assembler.h @@ -100,6 +100,7 @@ ,NUM_ASM_W_DIRECTIVES }; + // NOTE: Keep in sync! AsmCustomDirective_e g_aAssemblerDirectives enum AsmCustomDirective_e { ASM_DEFINE_BYTE diff --git a/source/Debugger/Debugger_Commands.cpp b/source/Debugger/Debugger_Commands.cpp index abd55a8e..276d6f33 100644 --- a/source/Debugger/Debugger_Commands.cpp +++ b/source/Debugger/Debugger_Commands.cpp @@ -140,7 +140,7 @@ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA {TEXT("DW2") , CmdDisasmDataDefWord2 , CMD_DEFINE_DATA_WORD2, "Define address array, display 2 words/line" }, {TEXT("DW4") , CmdDisasmDataDefWord4 , CMD_DEFINE_DATA_WORD4, "Define address array, display 4 words/line" }, {TEXT("ASC") , CmdDisasmDataDefString , CMD_DEFINE_DATA_STR , "Define text string" }, // 2.7.0.26 Changed: DS to ASC because DS is used as "Define Space" assembler directive -// {TEXT("DF") , CmdDisasmDataDefFloat , CMD_DEFINE_DATA_FLOAT, "Define AppleSoft (packed) Float" }, + {TEXT("DF") , CmdDisasmDataDefFloat , CMD_DEFINE_DATA_FLOAT, "Define AppleSoft (packed) Float" }, // {TEXT("DFX") , CmdDisasmDataDefFloatUnpack , CMD_DEFINE_DATA_FLOAT2,"Define AppleSoft (unpacked) Float" }, // with symbol lookup // {TEXT("DA<>") , CmdDisasmDataDefAddress8HL , CMD_DEFINE_ADDR_8_HL , "Define split array of addresses, high byte section followed by low byte section" }, diff --git a/source/Debugger/Debugger_Disassembler.cpp b/source/Debugger/Debugger_Disassembler.cpp index c68e898e..b058a1af 100644 --- a/source/Debugger/Debugger_Disassembler.cpp +++ b/source/Debugger/Debugger_Disassembler.cpp @@ -466,6 +466,45 @@ void FormatOpcodeBytes(WORD nBaseAddress, DisasmLine_t& line_) } } +struct FAC_t +{ + uint8_t negative; + int8_t exponent; + uint32_t mantissa; + + bool isZero; +}; + +void FAC_Unpack(WORD nAddress, FAC_t& fac_) +{ + BYTE e0 = *(LPBYTE)(mem + nAddress + 0); + BYTE m1 = *(LPBYTE)(mem + nAddress + 1); + BYTE m2 = *(LPBYTE)(mem + nAddress + 2); + BYTE m3 = *(LPBYTE)(mem + nAddress + 3); + BYTE m4 = *(LPBYTE)(mem + nAddress + 4); + + // sign + // EB82:A5 9D SIGN LDA FAC + // EB84:F0 09 BEQ SIGN3 ; zero + // EB86:A5 A2 SIGN1 LDA FAC.SIGN + // EB88:2A SIGN2 ROL + // EB89:A9 FF LDA #$FF ; negative + // EB8B:B0 02 BCS SIGN3 + // EB8D:A9 01 LDA #$01 ; positive + // EB8F:60 SIGN3 + + fac_.exponent = e0 - 0x80; + fac_.negative =(m1 & 0x80) >> 7; // EBAF:46 A2 ABS LSR FAC.SIGN + fac_.mantissa = 0 + | ((m1 | 0x80) << 24) // implicit 1.0, EB12: ORA #$80, STA FAC+1 + | ((m2 ) << 16) + | ((m3 ) << 8) + | ((m4 ) << 0); + + fac_.isZero = (fac_.exponent == 0); +} + + // Formats Target string with bytes,words, string, etc... //=========================================================================== void FormatNopcodeBytes(WORD nBaseAddress, DisasmLine_t& line_) @@ -499,6 +538,23 @@ void FormatNopcodeBytes(WORD nBaseAddress, DisasmLine_t& line_) } break; + case NOP_FAC: + { + FAC_t fac; + FAC_Unpack( nBaseAddress, fac ); + const char aSign[2] = { '+', '-' }; + if (fac.isZero) + sprintf( pDst, "0" ); + else + { + double f = fac.mantissa * pow( 2.0, fac.exponent - 32 ); + //sprintf( "s%1X m%04X e%02X", fac.negative, fac.mantissa, fac.exponent ); + sprintf( pDst, "%c%f", aSign[ fac.negative ], f ); + } + iByte += 5; + break; + } + case NOP_WORD_1: case NOP_WORD_2: case NOP_WORD_4: diff --git a/source/Debugger/Debugger_DisassemblerData.cpp b/source/Debugger/Debugger_DisassemblerData.cpp index 011530ec..e6921978 100644 --- a/source/Debugger/Debugger_DisassemblerData.cpp +++ b/source/Debugger/Debugger_DisassemblerData.cpp @@ -40,6 +40,9 @@ void _GetAutoSymbolName ( const Nopcode_e &nopcode, const WORD nStartAddress, ch sprintf( pSymbolName, "A_%04X", nStartAddress ); // DA range break; + case NOP_FAC: + sprintf( pSymbolName, "F_%04X", nStartAddress ); // DF range + case NOP_STRING_ASCII: case NOP_STRING_APPLE: sprintf( pSymbolName, "T_%04X", nStartAddress ); // ASC range @@ -159,10 +162,12 @@ WORD _CmdDefineByteRange(int nArgs,int iArg,DisasmData_t & tData_) // Old name: auto define D_# DB $XX // Example 'DB' or 'DW' with 1 arg // DB 801 - if( bAutoDefineName ) - { Nopcode_e nopcode = NOP_BYTE_1; + bool isFloat = (g_iCommand == CMD_DEFINE_DATA_FLOAT); + if( isFloat ) + nopcode = NOP_FAC; + bool isString = (g_iCommand == CMD_DEFINE_DATA_STR); if( isString ) nopcode = NOP_STRING_ASCII; @@ -175,6 +180,8 @@ WORD _CmdDefineByteRange(int nArgs,int iArg,DisasmData_t & tData_) if( isAddr ) nopcode = NOP_ADDRESS; + if( bAutoDefineName ) + { _GetAutoSymbolName( nopcode, tData_.nStartAddress , aSymbolName ); pSymbolName = aSymbolName; } @@ -184,6 +191,10 @@ WORD _CmdDefineByteRange(int nArgs,int iArg,DisasmData_t & tData_) SymbolUpdate( eSymbolTable, pSymbolName, nAddress, false, true ); // TODO: Note: need to call ConsoleUpdate(), as may print symbol has been updated + + // NOTE: We don't set the type here + // tData_.eElementType = nopcode; + // As that is done by the caller. strcpy_s( tData_.sSymbol, sizeof(tData_.sSymbol), pSymbolName ); @@ -359,6 +370,11 @@ Update_t CmdDisasmDataList (int nArgs) } // Common code + + +// TODO: merge _CmdDisasmDataDefByteX() and _CmdDisasmDataDefWordX +// add params( iDirective, iOpcode ) to allow ASM_DEFINE_FLOAT, NOP_FAC + //=========================================================================== Update_t _CmdDisasmDataDefByteX (int nArgs) { @@ -528,6 +544,14 @@ Update_t CmdDisasmDataDefByte8 ( int nArgs ) return _CmdDisasmDataDefByteX( nArgs ); } +// DF +Update_t CmdDisasmDataDefFloat(int nArgs) +{ + g_aArgs[0].nValue = NOP_FAC; + return _CmdDisasmDataDefByteX( nArgs ); +} + + // DW Update_t CmdDisasmDataDefWord1 ( int nArgs ) { diff --git a/source/Debugger/Debugger_Types.h b/source/Debugger/Debugger_Types.h index 391e2ba4..3e79fc6e 100644 --- a/source/Debugger/Debugger_Types.h +++ b/source/Debugger/Debugger_Types.h @@ -398,6 +398,7 @@ , CMD_DEFINE_DATA_WORD2 , CMD_DEFINE_DATA_WORD4 , CMD_DEFINE_DATA_STR + , CMD_DEFINE_DATA_FLOAT// FAC Packed // , CMD_DEFINE_DATA_FACP // FAC Packed // , CMD_DEFINE_DATA_FACU // FAC Unpacked // , CMD_DATA_DEFINE_ADDR_BYTE_L // DB< address symbol @@ -590,6 +591,8 @@ Update_t CmdDisasmDataDefByte4 (int nArgs); Update_t CmdDisasmDataDefByte8 (int nArgs); + Update_t CmdDisasmDataDefFloat (int nArgs); + Update_t CmdDisasmDataDefWord1 (int nArgs); Update_t CmdDisasmDataDefWord2 (int nArgs); Update_t CmdDisasmDataDefWord4 (int nArgs); @@ -877,7 +880,7 @@ char sSymbol[ MAX_SYMBOLS_LEN+1 ]; Nopcode_e eElementType ; // eElementType -> iNoptype - int iDirective ; // iDirective -> iNopcode + int iDirective ; // iDirective -> iNopcode ASC DA DB DF DW etc. WORD nStartAddress; // link to block [start,end) WORD nEndAddress ;