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|
#include <iostream>
using namespace std;
#include <cmath>
#include <cstring>
#include <cstdio>
#include <ctype.h>
#include "MyType.h"
#include "Basic.h"
//static char ConvCpcFr[ 128 ] = " !\"#$%&'()*+,-./0123456789:;<=>?àABCDEFGHIJKLMNOPQRSTUVWXYZ[ç]^_`abcdefghijklmnopqrstuvwxyzéùè~";
//
// Tableau de décryptage d'un programme en basic protégé
//
static BYTE DproBasic[ 128 ] =
{
0xAB, 0x2C, 0xED, 0xEA, 0x6C, 0x37, 0x3F, 0xEC,
0x9B, 0xDF, 0x7A, 0x0C, 0x3B, 0xD4, 0x6D, 0xF5,
0x04, 0x44, 0x03, 0x11, 0xDF, 0x59, 0x8F, 0x21,
0x73, 0x7A, 0xCC, 0x83, 0xDD, 0x30, 0x6A, 0x30,
0xD3, 0x8F, 0x02, 0xF0, 0x60, 0x6B, 0x94, 0xE4,
0xB7, 0xF3, 0x03, 0xA8, 0x60, 0x88, 0xF0, 0x43,
0xE8, 0x8E, 0x43, 0xA0, 0xCA, 0x84, 0x31, 0x53,
0xF3, 0x1F, 0xC9, 0xE8, 0xAD, 0xC0, 0xBA, 0x6D,
0x93, 0x08, 0xD4, 0x6A, 0x2C, 0xB2, 0x07, 0x27,
0xC0, 0x99, 0xEE, 0x89, 0xAF, 0xC3, 0x53, 0xAB,
0x2B, 0x34, 0x5C, 0x2F, 0x13, 0xEE, 0xAA, 0x2C,
0xD9, 0xF4, 0xBC, 0x12, 0xB3, 0xC5, 0x1C, 0x68,
0x01, 0x20, 0x2C, 0xFA, 0x77, 0xA6, 0xB5, 0xA4,
0xFC, 0x9B, 0xF1, 0x32, 0x5B, 0xC3, 0x70, 0x77,
0x85, 0x36, 0xBE, 0x5B, 0x8C, 0xC8, 0xB5, 0xC2,
0xF0, 0x0B, 0x98, 0x0F, 0x36, 0x9D, 0xD8, 0x96
};
BYTE GetByte( BYTE * BufFile, int Pos, int Deprotect )
{
//BYTE b = ( BYTE )( BufFile[ Pos ] ^ ( DproBasic[ Pos & 0x7F ] * Deprotect ) );
//cout << "GetByte:"<<hex<<b<<endl;
return( BYTE )( BufFile[ Pos ] ^ ( DproBasic[ Pos & 0x7F ] * Deprotect ) );
}
int GetWord( BYTE * BufFile, int Pos, int Deprotect )
{
int Ret = BufFile[ Pos ] ^ ( DproBasic[ Pos & 0x7F ] * Deprotect );
Pos++;
Ret += ( ( BufFile[ Pos ] ^ ( DproBasic[ Pos & 0x7F ] * Deprotect ) ) << 8 );
return( Ret );
}
//
// Ajoute un "mot" (nom d'une variable, RSX...) dans la chaine "Listing"
//
int AddWord( BYTE * BufFile, int Pos, char * Listing, int Deprotect )
{
int LenVar = 0, l = strlen( Listing );
BYTE b;
do
{
b = GetByte( BufFile, Pos++, Deprotect );
Listing[ l++ ] = ( char )( b & 0x7F );
}
while( ! ( b & 0x80 ) && LenVar++ < 0xFF );
Listing[ l ] = 0;
return( Pos );
}
//
// Convertir le buffer en listing basic
//
void Basic( BYTE * BufFile, char * Listing, bool IsBasic, bool CrLf )
{
static char Tmp[ 32 ];
int Pos = 0, Token = 0;
int StartLigne = 0, EndLigne;
char * p;
double f;
int exp;
int Deprotect=0;
//cout << BufFile <<endl;
static const char * Nbre[ 11 ] =
{
"0", "1", "2", "3", "4", "5", "6", "7", "8", "9", "10"
};
static const char * MotsClefs[ 0x80 ] =
{
"AFTER", "AUTO", "BORDER", "CALL", "CAT", "CHAIN", "CLEAR", "CLG",
"CLOSEIN", "CLOSEOUT", "CLS", "CONT", "DATA", "DEF", "DEFINT",
"DEFREAL", "DEFSTR", "DEG", "DELETE", "DIM", "DRAW", "DRAWR", "EDIT",
"ELSE", "END", "ENT", "ENV", "ERASE", "ERROR", "EVERY", "FOR",
"GOSUB", "GOTO", "IF", "INK", "INPUT", "KEY", "LET", "LINE", "LIST",
"LOAD", "LOCATE", "MEMORY", "MERGE", "MID$", "MODE", "MOVE", "MOVER",
"NEXT", "NEW", "ON", "ON BREAK", "ON ERROR GOTO", "SQ", "OPENIN",
"OPENOUT", "ORIGIN", "OUT", "PAPER", "PEN", "PLOT", "PLOTR", "POKE",
"PRINT", "'", "RAD", "RANDOMIZE", "READ", "RELEASE", "REM", "RENUM",
"RESTORE", "RESUME", "RETURN", "RUN", "SAVE", "SOUND", "SPEED", "STOP",
"SYMBOL", "TAG", "TAGOFF", "TROFF", "TRON", "WAIT", "WEND", "WHILE",
"WIDTH", "WINDOW", "WRITE", "ZONE", "DI", "EI", "FILL", "GRAPHICS",
"MASK", "FRAME", "CURSOR", "#E2", "ERL", "FN", "SPC", "STEP", "SWAP",
"#E8", "#E9", "TAB", "THEN", "TO", "USING", ">", "=", ">=", "<", "<>",
"<=", "+", "-", "*", "/", "^", "\\ ", "AND", "MOD", "OR", "XOR", "NOT",
"#FF"
};
static const char * Fcts[ 0x80 ] =
{
"ABS", "ASC", "ATN", "CHR$", "CINT", "COS", "CREAL", "EXP", "FIX",
"FRE", "INKEY", "INP", "INT", "JOY", "LEN", "LOG", "LOG10", "LOWER$",
"PEEK", "REMAIN", "SGN", "SIN", "SPACE$", "SQ", "SQR", "STR$", "TAN",
"UNT", "UPPER$", "VAL", "", "", "", "", "", "", "", "", "", "", "",
"", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "",
"", "", "", "", "", "", "EOF", "ERR", "HIMEM", "INKEY$", "PI", "RND",
"TIME", "XPOS", "YPOS", "DERR", "", "", "", "", "", "", "", "", "", "",
"", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "",
"", "", "", "", "", "", "", "", "", "", "", "BIN$", "DEC$", "HEX$",
"INSTR", "LEFT$", "MAX", "MIN", "POS", "RIGHT$", "ROUND", "STRING$",
"TEST", "TESTR", "COPYCHR$", "VPOS"
};
* Listing = 0;
Token = GetByte( BufFile, 0, Deprotect );
for ( ;; )
{
//cout << "Listing : " <<Listing << endl;
if ( IsBasic )
{
int lg = GetWord( BufFile, Pos, Deprotect );
Pos += 2;
if ( ! lg )
break;
int NumLigne = GetWord( BufFile, Pos, Deprotect );
Pos += 2;
sprintf( Tmp, "%d ", NumLigne );
strcat( Listing, Tmp );
}
else
if ( ! Token || Token == 0x1A )
break;
int DansChaine = 0; // #### Hum, plus compliqué que ça je pense...
do
{
//cout << "Tmp:"<<Tmp<<endl;
Token = GetByte( BufFile, Pos++, Deprotect );
if ( ! IsBasic && Token == 0x1A )
break;
if ( DansChaine || ! IsBasic )
{
Tmp[ 0 ] = ( char )Token;
Tmp[ 1 ] = 0;
strcat( Listing, Tmp );
if ( Token == '"' )
DansChaine ^= 1;
// cout << " DansChaine Tmp:"<<Tmp<<endl;
}
else
if ( Token > 0x7F && Token < 0xFF )
{
// #### Traitement particulier du ':' avant le ELSE
if ( Listing[ strlen( Listing ) - 1 ] == ':'
&& Token == 0x97
)
Listing[ strlen( Listing ) - 1 ] = 0;
strcat( Listing
, MotsClefs[ Token & 0x7F ]
);
}
else
if ( Token >= 0x0E && Token <= 0x18 )
strcat( Listing
, Nbre[ Token - 0x0E ]
);
else
if ( Token >= 0x20 && Token < 0x7C )
{
Tmp[ 0 ] = ( char )Token;
Tmp[ 1 ] = 0;
strcat( Listing, Tmp );
if ( Token == '"' )
DansChaine ^= 1;
}
else
{
//cout << "Token:" << Token <<endl;
switch( Token )
{
case 0x01 :
Tmp[ 0 ] = ':';
Tmp[ 1 ] = 0;
strcat( Listing, Tmp );
break;
case 0x02 : // Variable entière (type %)
Pos = AddWord( BufFile
, 2 + Pos
, Listing
, Deprotect
);
strcat( Listing, "%" );
break;
case 0x03 : // Variable chaine (type $)
Pos = AddWord( BufFile
, 2 + Pos
, Listing
, Deprotect
);
strcat( Listing, "$" );
break;
case 0x04 : // Variable float (type !)
Pos = AddWord( BufFile
, 2 + Pos
, Listing
, Deprotect
);
strcat( Listing, "!" );
break;
case 0x0B :
case 0x0C :
case 0x0D : // Variable "standard"
Pos = AddWord( BufFile
, 2 + Pos
, Listing
, Deprotect
);
break;
case 0x19 : // Constante entière 8 bits
sprintf(Listing+strlen(Listing),"%d",(BYTE)GetByte( BufFile, Pos, Deprotect));
Pos++;
break;
case 0x1A :
case 0x1E : // Constante entière 16 bits
sprintf(Listing+strlen(Listing),"%d",GetWord( BufFile, Pos, Deprotect));
Pos += 2;
break;
case 0x1B :
sprintf( Tmp
, "&X%X"
, GetWord( BufFile, Pos, Deprotect )
);
strcat( Listing, Tmp );
Pos += 2;
break;
case 0x1C :
sprintf( Tmp
, "&%X"
, GetWord( BufFile, Pos, Deprotect )
);
strcat( Listing, Tmp );
Pos += 2;
break;
case 0x1F : // Constante flottante
f = ( GetByte( BufFile, Pos + 2, Deprotect ) << 16 )
+ ( GetByte( BufFile, Pos + 1, Deprotect ) << 8 )
+ GetByte( BufFile, Pos, Deprotect )
+ ( ( GetByte( BufFile, Pos + 3, Deprotect ) & 0x7F ) << 24 );
f = 1 + ( f / 0x80000000 );
if ( GetByte( BufFile, Pos + 3, Deprotect ) & 0x80 )
f = -f;
exp = GetByte( BufFile, Pos + 4, Deprotect ) - 129;
Pos += 5;
sprintf( Tmp, "%f", f * pow( (double) 2, exp ) );
// Suppression des '0' inutiles
p = &Tmp[ strlen( Tmp ) - 1 ];
while( * p == '0' )
* p-- = 0;
if ( * p == '.' )
* p = 0;
strcat( Listing, Tmp );
break;
case 0x7C :
strcat( Listing, "|" );
Pos = AddWord( BufFile
, 1 + Pos
, Listing
, Deprotect
);
break;
case 0xFF :
if ( GetByte( BufFile, Pos, Deprotect ) < 0x80 )
strcat( Listing
, Fcts[ GetByte( BufFile
, Pos++
, Deprotect
)
]
);
else
{
Tmp[ 1 ] = 0;
Tmp[ 0 ] = ( char )( GetByte( BufFile
, Pos++
, Deprotect
) & 0x7F
);
strcat( Listing, Tmp );
}
break;
default :
Token = Token;
}
}
}
while( Token );
if ( CrLf )
{
//
// Retour à la ligne si > 80 caractères
//
EndLigne = strlen( &Listing[ StartLigne ] );
while( EndLigne > 80 )
{
memmove( &Listing[ StartLigne + 82 ]
, &Listing[ StartLigne + 80 ]
, EndLigne
);
memcpy( &Listing[ StartLigne + 80 ], "\r\n", 2 );
StartLigne += 82;
EndLigne -= 80;
}
}
strcat( Listing, "\r\n" );
StartLigne = strlen( Listing );
}
// Conversion des caractères accentués si nécessaire
for ( int i = strlen( Listing); i--; )
{
//cout << i << " ";
if ( ! isprint(Listing[ i ]) && Listing[ i ] != '\n' && Listing[ i ] != '\r' ) Listing[ i ] = '?';
}
}
|
