Merge pull request #7 from Grazfather/mmc1_mapper

Add MMC1Mapper

GhidraNes/src/main/java/ghidranes/mappers/MMC1Mapper.java

@@ -0,0 +1,34 @@
+package ghidranes.mappers;
+
+import java.util.Arrays;
+
+import ghidra.framework.store.LockException;
+import ghidra.program.model.address.AddressOverflowException;
+import ghidra.program.model.listing.Program;
+import ghidra.program.model.mem.MemoryConflictException;
+import ghidra.util.exception.CancelledException;
+import ghidra.util.exception.DuplicateNameException;
+import ghidra.util.task.TaskMonitor;
+import ghidranes.NesRom;
+import ghidranes.util.MemoryBlockDescription;
+
+public class MMC1Mapper extends NesMapper {
+	@Override
+	public void updateMemoryMapForRom(NesRom rom, Program program, TaskMonitor monitor) throws LockException, MemoryConflictException, AddressOverflowException, CancelledException, DuplicateNameException {
+		int sramPermissions =
+			MemoryBlockDescription.READ | MemoryBlockDescription.WRITE | MemoryBlockDescription.EXECUTE;
+		MemoryBlockDescription.uninitialized(0x6000, 0x2000, "SRAM", sramPermissions, false)
+			.create(program);
+
+		for (int bank = 0; bank * 0x4000 < rom.prgRom.length; bank++) {
+			int romPermissions = MemoryBlockDescription.READ | MemoryBlockDescription.EXECUTE;
+
+			byte[] rombankBytes = Arrays.copyOfRange(rom.prgRom, bank*0x4000, (bank+1)*0x4000);
+			MemoryBlockDescription.initialized(0x8000, 0x4000, "PRG" + bank, romPermissions, rombankBytes, bank != 0, monitor)
+				.create(program);
+			MemoryBlockDescription.initialized(0xC000, 0x4000, "PRG" + bank + "_MIRROR", romPermissions, rombankBytes, bank != 0, monitor)
+				.create(program);
+		}
+	}
+
+}

GhidraNes/src/main/java/ghidranes/mappers/NesMapper.java

@@ -17,6 +17,8 @@ public static NesMapper getMapper(int mapperNum) throws UnimplementedNesMapperEx
 		switch (mapperNum) {
 		case 0:
 			return new NromMapper();
+		case 1:
+			return new MMC1Mapper();
 		default:
 			throw new UnimplementedNesMapperException(mapperNum);
 		}