From eecba3b5fcb47a01e6e13ee1940def989f6dd22d Mon Sep 17 00:00:00 2001
From: Fritz Elfert <felfert@to.com>
Date: Thu, 28 Feb 2002 20:56:59 +0000
Subject:  - Added SIS stuff by Daniel Brahneborg

---
 lib/sistypes.cpp | 89 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 89 insertions(+)
 create mode 100644 lib/sistypes.cpp

(limited to 'lib/sistypes.cpp')

diff --git a/lib/sistypes.cpp b/lib/sistypes.cpp
new file mode 100644
index 0000000..74ae5ea
--- /dev/null
+++ b/lib/sistypes.cpp
@@ -0,0 +1,89 @@
+
+#include "sistypes.h"
+
+static unsigned int s_crcTable[256];
+
+int logLevel = 0;
+
+void createCRCTable()
+{
+	const unsigned int polynomial = 0x1021;
+	unsigned int index;
+	s_crcTable[0] = 0;
+	for (index = 0; index < 128; index++)
+		{
+		unsigned int carry = s_crcTable[index] & 0x8000;
+		unsigned int temp = (s_crcTable[index] << 1) & 0xffff;
+		s_crcTable[index * 2 + (carry ? 0 : 1)] = temp ^ polynomial;
+		s_crcTable[index * 2 + (carry ? 1 : 0)] = temp;
+		}
+}
+
+uint16 updateCrc(uint16 crc, uchar value)
+{
+	return (crc << 8) ^ s_crcTable[((crc >> 8) ^ value) & 0xff];
+}
+
+uint16 calcCRC(uchar* data, int len)
+{
+	uint16 crc = 0;
+	for (int i = 0; i < len; ++i)
+		{
+		uchar value = data[i];
+		crc = (crc << 8) ^ s_crcTable[((crc >> 8) ^ value) & 0xff];
+		}
+	return crc;
+}
+
+uint16 read16(uchar* buf, int* ix)
+{
+	uchar* p = buf + *ix;
+	*ix += 2;
+	return p[0] | (p[1] << 8);
+}
+
+uint32 read32(uchar* buf, int* ix)
+{
+	uchar* p = buf + *ix;
+	*ix += 4;
+	return p[0] | (p[1] << 8) | (p[2] << 16) | (p[3] << 24);
+}
+
+LangTableEntry langTable[] =
+{
+	{ 0, "", "Test" },
+	{ 1, "EN", "UK English" },
+	{ 2, "FR", "French" },
+	{ 3, "GE", "German" },
+	{ 4, "SP", "Spanish" },
+	{ 5, "IT", "Italian" },
+	{ 6, "SW", "Swedish" },
+	{ 7, "DA", "Danish" },
+	{ 8, "NO", "Norwegian" },
+	{ 9, "FI", "Finnish" },
+	{ 10, "AM", "American English" },
+	{ 11, "SF", "Swiss French" },
+	{ 12, "SG", "Swiss German" },
+	{ 13, "PO", "Portuguese" },
+	{ 14, "TU", "Turkish" },
+	{ 15, "IC", "Icelandic" },
+	{ 16, "RU", "Russian" },
+	{ 17, "HU", "Hungarian" },
+	{ 18, "DU", "Dutch" },
+	{ 19, "BL", "Belgian Flemish" },
+	{ 20, "AU", "Australian English" },
+	{ 21, "BG", "Belgian French" },
+	{ 22, "AS", "Austrian German" },
+	{ 23, "NZ", "New Zealand" },
+	{ 24, "IF", "International French" },
+	{ 25, "CS", "Czech" },
+	{ 26, "SK", "Slovak" },
+	{ 27, "PL", "Polish" },
+	{ 28, "SL", "Slovenian" },
+	{ 29, "TC", "Taiwan Chinese" },
+	{ 30, "HK", "Hong Kong" },
+	{ 31, "ZH", "PRC Chinese" },
+	{ 32, "JA", "Japanese" },
+	{ 33, "TH", "Thai" },
+};
+
-- 
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