interp: Centralize memory size handling.

Core/Debugger/DisassemblyManager.cpp

@@ -709,22 +709,8 @@ void DisassemblyFunction::load()
 				case 0x2B:	// sw
 					macro = new DisassemblyMacro(opAddress);
 					
-					int dataSize;
-					switch (nextInfo & MEMTYPE_MASK) {
-					case MEMTYPE_BYTE:
-						dataSize = 1;
-						break;
-					case MEMTYPE_HWORD:
-						dataSize = 2;
-						break;
-					case MEMTYPE_WORD:
-					case MEMTYPE_FLOAT:
-						dataSize = 4;
-						break;
-					case MEMTYPE_VQUAD:
-						dataSize = 16;
-						break;
-					default:
+					int dataSize = MIPSGetMemoryAccessSize(next);
+					if (dataSize == 0) {
 						delete macro;
 						return;
 					}