CP437 needs to be a full table translation

CP437 0x7C is U+00A6

It's likely this is true for a bunch of other codepages as well,
so I'll need to dig through them soon.

src/conio/utf8_codepages.c

@@ -59,7 +59,23 @@ const static uint32_t cp437_ext_table[32] = {
 	0x2191, 0x2193, 0x2192, 0x2190, 0x221F, 0x2194, 0x25B2, 0x25BC
 };
 
-const static uint32_t cp437_unicode_table[128] = {
+const static uint32_t cp437_unicode_table[256] = {
+	0x0000, 0x0001, 0x0002, 0x0003, 0x0004, 0x0005, 0x0006, 0x0007,
+	0x0008, 0x0009, 0x000a, 0x000b, 0x000c, 0x000d, 0x000e, 0x000f,
+	0x0010, 0x0011, 0x0012, 0x0013, 0x0014, 0x0015, 0x0016, 0x0017,
+	0x0018, 0x0019, 0x001a, 0x001b, 0x001c, 0x001d, 0x001e, 0x001f,
+	0x0020, 0x0021, 0x0022, 0x0023, 0x0024, 0x0025, 0x0026, 0x0027,
+	0x0028, 0x0029, 0x002a, 0x002b, 0x002c, 0x002d, 0x002e, 0x002f,
+	0x0030, 0x0031, 0x0032, 0x0033, 0x0034, 0x0035, 0x0036, 0x0037,
+	0x0038, 0x0039, 0x003a, 0x003b, 0x003c, 0x003d, 0x003e, 0x003f,
+	0x0040, 0x0041, 0x0042, 0x0043, 0x0044, 0x0045, 0x0046, 0x0047,
+	0x0048, 0x0049, 0x004a, 0x004b, 0x004c, 0x004d, 0x004e, 0x004f,
+	0x0050, 0x0051, 0x0052, 0x0053, 0x0054, 0x0055, 0x0056, 0x0057,
+	0x0058, 0x0059, 0x005a, 0x005b, 0x005c, 0x005d, 0x005e, 0x005f,
+	0x0060, 0x0061, 0x0062, 0x0063, 0x0064, 0x0065, 0x0066, 0x0067,
+	0x0068, 0x0069, 0x006a, 0x006b, 0x006c, 0x006d, 0x006e, 0x006f,
+	0x0070, 0x0071, 0x0072, 0x0073, 0x0074, 0x0075, 0x0076, 0x0077,
+	0x0078, 0x0079, 0x007a, 0x007b, 0x00a6, 0x007d, 0x007e, 0x007f,
 	0x00C7, 0x00FC, 0x00E9, 0x00E2, 0x00E4, 0x00E0, 0x00E5, 0x00E7,
 	0x00EA, 0x00EB, 0x00E8, 0x00EF, 0x00EE, 0x00EC, 0x00C4, 0x00C5,
 	0x00C9, 0x00E6, 0x00C6, 0x00F4, 0x00F6, 0x00F2, 0x00FB, 0x00F9,
@@ -2199,7 +2215,7 @@ error:
 
 const struct codepage_def ciolib_cp[CIOLIB_CP_COUNT] = {
 	// 0
-	{"CP437", CIOLIB_CP437, cpstr_to_utf8, utf8_to_cpstr, cptable_from_unicode_cpoint, cpoint_from_cptable,  cpoint_from_cptable_ext,
+	{"CP437", CIOLIB_CP437, ftstr_to_utf8, utf8_to_cpstr, cptable_from_unicode_cpoint, ft_cpoint_from_cptable,  cpoint_from_cptable_ext,
 		cp437_table, sizeof(cp437_table) / sizeof(cp437_table[0]),
 		cp437_unicode_table, cp437_ext_table},
 	{"CP1251", CIOLIB_CP1251, cpstr_to_utf8, utf8_to_cpstr, cptable_from_unicode_cpoint, cpoint_from_cptable,  cpoint_from_cptable_ext,