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/* ScummVM Tools
*
* ScummVM Tools is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
#include "simple_disassembler.h"
SimpleDisassembler::SimpleDisassembler(InstVec &insts) : Disassembler(insts) {
}
void SimpleDisassembler::readParams(InstPtr inst, const char *typeString) {
while (*typeString) {
inst->_params.push_back(readParameter(inst, *typeString));
typeString++;
}
}
ValuePtr SimpleDisassembler::readParameter(InstPtr inst, char type) {
ValuePtr retval = NULL;
switch (type) {
case 'b': // signed byte
retval = new IntValue(_f.readChar(), true);
_address++;
break;
case 'B': // unsigned byte
retval = new IntValue((uint32)_f.readByte(), false);
_address++;
break;
case 's': // 16-bit signed integer (short), little-endian
retval = new IntValue(_f.readSint16LE(), true);
_address += 2;
break;
case 'S': // 16-bit signed integer (short), big-endian
retval = new IntValue(_f.readSint16BE(), true);
_address += 2;
break;
case 'w': // 16-bit unsigned integer (word), little-endian
retval = new IntValue((uint32)_f.readUint16LE(), false);
_address += 2;
break;
case 'W': // 16-bit unsigned integer (word), big-endian
retval = new IntValue((uint32)_f.readUint16BE(), false);
_address += 2;
break;
case 'i': // 32-bit signed integer (int), little-endian
retval = new IntValue(_f.readSint32LE(), true);
_address += 4;
break;
case 'I': // 32-bit signed integer (int), big-endian
retval = new IntValue(_f.readSint32BE(), true);
_address += 4;
break;
case 'd': // 32-bit unsigned integer (dword), little-endian
retval = new IntValue(_f.readUint32LE(), false);
_address += 4;
break;
case 'D': // 32-bit unsigned integer (dword), big-endian
retval = new IntValue(_f.readUint32BE(), false);
_address += 4;
break;
}
return retval;
}
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