Fixed warnings of unhandled switch cases

This was unnoticed after moving code to `printcode`. This ensures safety if `printcode` called outside of `main`.

README.md

@@ -18,7 +18,8 @@ Code Name\ncode`), and raw (`code`).
 Simply run `./compile.sh` at root directory of project. This script uses GCC to compile the sources. It also computes
 the md5, sha1, and sha256 hash of the compiled result afterwards using `md5sum`, `sha1sum`, and `sha256sum`. You can
 pass `asan` as the first argument to the script to build a debug build with AddressSanitizer (this isn't supported on a
-Windows build). For building for Windows, run `./compile.sh` with MSYS2 MinGW x64 or run `.\compile.bat`.
+Windows build) with all warnings to be printed. For building for Windows, run `./compile.sh` with MSYS2 MinGW x64 or
+run `.\compile.bat`.
 
 ## Credits
 - Shio, SirMangler, and many others for their work on PrimeHack, a modification of Dolphin Emulator to allow for FPS

compile.sh

@@ -5,7 +5,7 @@ if [ "$(expr substr $(uname -s) 1 10)" == "MINGW32_NT" ] || [ "$(expr substr $(u
     OUTEXT=".exe"
 elif [ $# -gt 0 ]; then
     if [ "$1" == "asan" ]; then
-        ASAN="-fsanitize=address -g"
+        ASAN="-fsanitize=address -g -Wall"
     fi
 fi
 if [ ! -d "./dst" ]; then mkdir ./dst ; fi

src/makecode.c

@@ -359,6 +359,9 @@ int printcode(Code code, Game game, GameRegion region, CodeFormat format, uint8_
                         val_version_mp1 = 0x0002;
 
                         break;
+                    default:
+                        fprintf(stderr, "Invalid game specified.");
+                        return MCS_INVLDARG;
                 }
             } else if (region == GMR_PAL) {
                 val_id1  = 0x474D; // GM
@@ -387,6 +390,9 @@ int printcode(Code code, Game game, GameRegion region, CodeFormat format, uint8_
             }
 
             break;
+        default:
+            fprintf(stderr, "Invalid game specified.");
+            return MCS_INVLDARG;
     }
 
     uint32_t addr_exception_hook = 0x80000048,
@@ -891,6 +897,9 @@ blr
             runppcasm(10, hm_ppcasm);
 
             break;
+        default:
+            fprintf(stderr, "Invalid code specified.");
+            return MCS_INVLDARG;
     }
 
     endifv(0, (addr_memstart >> 16), (addr_memstart >> 16));