--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/sw/sniff-dec/invtable.c	Thu Aug 31 08:46:23 2023 +0000
@@ -0,0 +1,27 @@
+/*
+ * We would like to be able to decode trace sessions with SIM cards using
+ * either direct or inverse coding convention.  When inverse coding convention
+ * is in use, we have to translate every logged byte in software.  Here we
+ * define the table for the inverse coding convention.
+ */
+
+unsigned char inverse_coding_table[256] = {
+
+0xFF,0x7F,0xBF,0x3F,0xDF,0x5F,0x9F,0x1F,0xEF,0x6F,0xAF,0x2F,0xCF,0x4F,0x8F,0x0F,
+0xF7,0x77,0xB7,0x37,0xD7,0x57,0x97,0x17,0xE7,0x67,0xA7,0x27,0xC7,0x47,0x87,0x07,
+0xFB,0x7B,0xBB,0x3B,0xDB,0x5B,0x9B,0x1B,0xEB,0x6B,0xAB,0x2B,0xCB,0x4B,0x8B,0x0B,
+0xF3,0x73,0xB3,0x33,0xD3,0x53,0x93,0x13,0xE3,0x63,0xA3,0x23,0xC3,0x43,0x83,0x03,
+0xFD,0x7D,0xBD,0x3D,0xDD,0x5D,0x9D,0x1D,0xED,0x6D,0xAD,0x2D,0xCD,0x4D,0x8D,0x0D,
+0xF5,0x75,0xB5,0x35,0xD5,0x55,0x95,0x15,0xE5,0x65,0xA5,0x25,0xC5,0x45,0x85,0x05,
+0xF9,0x79,0xB9,0x39,0xD9,0x59,0x99,0x19,0xE9,0x69,0xA9,0x29,0xC9,0x49,0x89,0x09,
+0xF1,0x71,0xB1,0x31,0xD1,0x51,0x91,0x11,0xE1,0x61,0xA1,0x21,0xC1,0x41,0x81,0x01,
+0xFE,0x7E,0xBE,0x3E,0xDE,0x5E,0x9E,0x1E,0xEE,0x6E,0xAE,0x2E,0xCE,0x4E,0x8E,0x0E,
+0xF6,0x76,0xB6,0x36,0xD6,0x56,0x96,0x16,0xE6,0x66,0xA6,0x26,0xC6,0x46,0x86,0x06,
+0xFA,0x7A,0xBA,0x3A,0xDA,0x5A,0x9A,0x1A,0xEA,0x6A,0xAA,0x2A,0xCA,0x4A,0x8A,0x0A,
+0xF2,0x72,0xB2,0x32,0xD2,0x52,0x92,0x12,0xE2,0x62,0xA2,0x22,0xC2,0x42,0x82,0x02,
+0xFC,0x7C,0xBC,0x3C,0xDC,0x5C,0x9C,0x1C,0xEC,0x6C,0xAC,0x2C,0xCC,0x4C,0x8C,0x0C,
+0xF4,0x74,0xB4,0x34,0xD4,0x54,0x94,0x14,0xE4,0x64,0xA4,0x24,0xC4,0x44,0x84,0x04,
+0xF8,0x78,0xB8,0x38,0xD8,0x58,0x98,0x18,0xE8,0x68,0xA8,0x28,0xC8,0x48,0x88,0x08,
+0xF0,0x70,0xB0,0x30,0xD0,0x50,0x90,0x10,0xE0,0x60,0xA0,0x20,0xC0,0x40,0x80,0x00
+
+};