Initial commit

engines/glk/scott/unp64/scanners/byte_boiler.cpp

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+/* 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 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 "common/endian.h"
+#include "glk/scott/types.h"
+#include "glk/scott/unp64/unp64.h"
+#include "glk/scott/unp64/exo_util.h"
+
+namespace Glk {
+namespace Scott {
+
+void scnByteBoiler(UnpStr *unp) {
+	byte *mem;
+	int q, p;
+	if (unp->_idFlag)
+		return;
+	mem = unp->_mem;
+	if (unp->_depAdr == 0) {
+		if (u32eq(mem + 0x813, 0xE800F09D) &&
+			u32eq(mem + 0x818, 0x014E4CF7)) {
+			p = READ_LE_UINT16(&mem[0x811]);
+			if (u32eq(mem + p + 1, 0x02D0FAA5)) {
+				unp->_depAdr = 0x14e;
+				unp->_forced = 0x80b;
+				unp->_retAdr = READ_LE_UINT16(&mem[p + 0x5c]);
+				unp->_endAdr = READ_LE_UINT16(&mem[p + 0x0e]);
+				unp->_endAdr++;
+				unp->_fStrAf = 0xfe;
+				unp->_idFlag = 1;
+				return;
+			}
+		}
+	}
+	/* CPX hack */
+	if (unp->_depAdr == 0) {
+		if (u32eq(mem + 0x80b, 0xA97800A2) &&
+			u32eq(mem + 0x815, 0x4C01E6D0)) {
+			q = READ_LE_UINT16(&mem[0x819]);
+			if (u32eq(mem + q + 3, 0xE800F09D) &&
+				u32eq(mem + q + 8, 0x014E4CF7)) {
+				p = READ_LE_UINT16(&mem[q + 1]);
+				if (u32eq(mem + p + 1, 0x02D0FAA5)) {
+					unp->_depAdr = 0x14e;
+					unp->_forced = 0x80b;
+					unp->_retAdr = READ_LE_UINT16(&mem[p + 0x5c]);
+					unp->_endAdr = READ_LE_UINT16(&mem[p + 0x0e]);
+					unp->_endAdr++;
+					unp->_fStrAf = 0xfe;
+					unp->_idFlag = 1;
+					return;
+				}
+			}
+		}
+	}
+	/* SCS hack */
+	if (unp->_depAdr == 0) {
+		if (u32eq(mem + 0x813, 0xE800F09D) &&
+			u32eq(mem + 0x818, 0x01bf4CF7)) {
+			p = READ_LE_UINT16(&mem[0x811]);
+			if (u32eq(mem + p + 1, 0x02D0FAA5) &&
+				u32eq(mem + p + 0xdd, 0x014e4c01)) {
+				unp->_depAdr = 0x14e;
+				unp->_forced = 0x80b;
+				unp->_retAdr = READ_LE_UINT16(&mem[p + 0x5c]);
+				unp->_endAdr = READ_LE_UINT16(&mem[p + 0x0e]);
+				unp->_endAdr++;
+				unp->_fStrAf = 0xfe;
+				unp->_idFlag = 1;
+				return;
+			}
+		}
+	}
+}
+
+} // End of namespace Scott
+} // End of namespace Glk