scummvm/engines/agi/op_dbg.cpp

/* ScummVM - Graphic Adventure Engine
 *
 * ScummVM 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 2
 * 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, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 *
 */

#include "agi/agi.h"
#include "agi/opcodes.h"

namespace Agi {

#define ip   (_game.logics[lognum].cIP)
#define code (_game.logics[lognum].data)

const char *logicNamesIf[] = {
	"OR", "NOT", "ELSE", "IF"
};

void AgiEngine::debugConsole(int lognum, int mode, const char *str) {
	AgiOpCodeEntry *curOpCodeTable;
	uint8 parametersLeft, z;
	uint8 logicNameIdx;
	const char *c;

	if (str) {
		debug(0, "         %s", str);
		return;
	}

	debugN(0, "%03d:%04x ", lognum, ip);

	switch (*(code + ip)) {
	case 0xFC:
	case 0xFD:
	case 0xFE:
	case 0xFF:
		if (_debug.opcodes) {
			debugN(0, "%02X %02X %02X %02X %02X %02X %02X %02X %02X\n"
			       "         ",
			       (uint8) * (code + (0 + ip)) & 0xFF,
			       (uint8) * (code + (1 + ip)) & 0xFF,
			       (uint8) * (code + (2 + ip)) & 0xFF,
			       (uint8) * (code + (3 + ip)) & 0xFF,
			       (uint8) * (code + (4 + ip)) & 0xFF,
			       (uint8) * (code + (5 + ip)) & 0xFF,
			       (uint8) * (code + (6 + ip)) & 0xFF,
			       (uint8) * (code + (7 + ip)) & 0xFF,
			       (uint8) * (code + (8 + ip)) & 0xFF);
		}
		logicNameIdx = (*(code + ip)) - 0xFC;
		debugN(0, "%s ", logicNamesIf[logicNameIdx]);
		break;
	default:
		curOpCodeTable = mode == lCOMMAND_MODE ? _opCodes : _opCodesCond;
		parametersLeft = curOpCodeTable[*(code + ip)].parameterSize;
		c = curOpCodeTable[*(code + ip)].parameters;

		if (_debug.opcodes) {
			debugN(0, "%02X %02X %02X %02X %02X %02X %02X %02X %02X\n"
			       "         ",
			       (uint8) * (code + (0 + ip)) & 0xFF,
			       (uint8) * (code + (1 + ip)) & 0xFF,
			       (uint8) * (code + (2 + ip)) & 0xFF,
			       (uint8) * (code + (3 + ip)) & 0xFF,
			       (uint8) * (code + (4 + ip)) & 0xFF,
			       (uint8) * (code + (5 + ip)) & 0xFF,
			       (uint8) * (code + (6 + ip)) & 0xFF,
			       (uint8) * (code + (7 + ip)) & 0xFF,
			       (uint8) * (code + (8 + ip)) & 0xFF);
		}
		debugN(0, "%s ", (curOpCodeTable + * (code + ip))->name);

		for (z = 1; parametersLeft > 0;) {
			if (*c == 'n') {
				debugN(0, "%d", *(code + (ip + z)));
			} else {
				debugN(0, "v%d[%d]", *(code + (ip + z)), getVar(*(code + (ip + z))));
			}
			c++;
			z++;
			if (--parametersLeft > 0)
				debugN(0, ",");
		}
		break;
	}

	debugN(0, "\n");
}

} // End of namespace Agi