Add some LC2412-specific IO port mappings

disassem.pl

@@ -147,6 +147,20 @@ $output = 0;
 	0xBD => "ICR33",
 	0xBE => "ICR44",
 	0xBF => "ICR15",
+# Specific to LC2412
+	0xC0 => "KEY0",
+	0xC1 => "KEY1",
+	0xC2 => "KEY2",
+	0xC3 => "KEY3",
+	0xC4 => "KEY4",
+	0xC5 => "LEDC",
+	0xC6 => "LCD",
+	0xC8 => "PC_ADL",
+	0xC9 => "PC_ADM",
+	0xCA => "PC_ADH",
+	0xCB => "PC_DW",
+	0xCC => "PC_DR",
+	0xCD => "PC_CR",
 );