patterns: Improvements to NES & IPS, add SNES, NSF, NSFe (#455)

* Add credit to ne.hexpat

* Add many changes to nes.hexpat

* Fixing dependance on variables declared in if statement

* Added mappers and inline to NES 2.0 header, removed needless parenthesises

* Add files via upload

* Add files via upload

* Create nsf.hexpat

* Used full name of the SNES on description

* Add SNES, NSF & NSFe, new description for NES

* Removing erroneous condition in ips.hexpat's truncatedSize

* Removing unnecessary std.string import in ips.hexpat

* Added both locations for sections in PE, clearer variable names, reorganized DOS stub

* Delete patterns/nsfe.hexpat

* Delete patterns/nsfmetadata.hexpat

* Added chunks from NSFe to NSF

* Added NSFe

* Fix size of truncatedSize in ips.hexpat

---------

Co-authored-by: Nik <werwolv98@gmail.com>

patterns/nsfe.hexpat

@@ -0,0 +1,48 @@
+#pragma author gmestanley
+#pragma description NSFe file format
+
+import std.string;
+
+struct ChunkMetadata {
+	u32 length;
+	char ID[4];
+} [[inline]];
+
+struct TimeChunkData {
+	u32 trackLengths[while($<addressof(parent.metadata)+6+parent.metadata.length)];
+} [[inline]];
+
+fn formatMetadataName(str string) {
+    return "\"" + std::string::substr(string, 0, sizeof(string)-1) + "\"";
+};
+
+struct Name {
+	char trackName[] [[format("formatMetadataName")]];
+};
+
+struct TlblChunkData {
+	Name trackNames[while($<addressof(parent.metadata)+6+parent.metadata.length)];
+} [[inline]];
+
+struct AuthChunkData {
+	char gameTitle[] [[format("formatMetadataName")]];
+	char songwriting[] [[format("formatMetadataName")]];
+	char copyright[] [[format("formatMetadataName")]];
+	char ripper[] [[format("formatMetadataName")]];
+} [[inline]];
+
+struct TextChunkData {
+	char text[parent.metadata.length];
+} [[inline]];
+
+struct Chunk {
+	ChunkMetadata metadata;
+	if (metadata.ID == "time") TimeChunkData timeChunkData;
+	else if (metadata.ID == "text") TextChunkData textChunkData;
+	else if (metadata.ID == "tlbl") TlblChunkData tlblChunkData;
+	else if (metadata.ID == "auth") AuthChunkData authChunkData;
+	else u8 data[metadata.length];
+};
+
+char signature[4] @ 0x00;
+Chunk chunks[while($<std::mem::size())] @ 0x04;