GPD Win2 >> Debian 9.0

build desmume 0.9.11

---

參考資訊：
1. Installing_DeSmuME_from_source_on_Linux

RetroArch模擬器在載入NDS遊戲時(黃金太陽)，會有聲音不同步以及掉FPS的問題，司徒原本以為是RetroArch架構的問題，因此嘗試編譯獨立的DeSmuME模擬器，看看是否有改善，只是結果還是一樣，問題沒有得到解決，不過司徒覺得應該是優化問題，目前只能再找時間研究程式碼，看看是否可以改善，不過司徒還是把編譯的步驟寫下，供以後參考：

$ cd
$ sudo apt-get install build-essential autoconf automake libgtk2.0-dev libglu1-mesa-dev libsdl1.2-dev libglade2-dev gettext zlib1g-dev libosmesa6-dev intltool libagg-dev libasound2-dev libsoundtouch-dev libpcap-dev
$ wget http://sourceforge.net/projects/desmume/files/desmume/0.9.11/desmume-0.9.11.tar.gz/download
$ mv download desmume-0.9.11.tar.gz
$ tar xvzf desmume-0.9.11.tar.gz
$ cd desmume-0.9.11
$ ./configure

$ vim src/Makefile +430
  CPPFLAGS = -fpermissive

$ make

編譯過程中，竟然發生錯誤，司徒只好使用快速修復方式修補

--- ../old/src/wifi.cpp	2015-02-14 23:05:26.000000000 +0800
+++ ../new/src/wifi.cpp	2018-08-16 18:21:43.680568654 +0800
@@ -314,9 +314,9 @@
 
 #if (WIFI_LOGGING_LEVEL >= 1)
 	#if WIFI_LOG_USE_LOGC
-		#define WIFI_LOG(level, ...) if(level <= WIFI_LOGGING_LEVEL) LOGC(8, "WIFI: "__VA_ARGS__);
+		#define WIFI_LOG(level, ...) if(level <= WIFI_LOGGING_LEVEL) LOGC(8, __VA_ARGS__);
 	#else
-		#define WIFI_LOG(level, ...) if(level <= WIFI_LOGGING_LEVEL) printf("WIFI: "__VA_ARGS__);
+		#define WIFI_LOG(level, ...) if(level <= WIFI_LOGGING_LEVEL) printf(__VA_ARGS__);
 	#endif
 #else
 #define WIFI_LOG(level, ...) {}

--- old/src/ctrlssdl.cpp	2015-02-14 23:05:26.000000000 +0800
+++ new/src/ctrlssdl.cpp	2018-08-16 18:25:45.586399269 +0800
@@ -200,7 +200,7 @@
           break;
         case SDL_JOYAXISMOTION:
           /* Dead zone of 50% */
-          if( (abs(event.jaxis.value) >> 14) != 0 )
+          /*if( (abs(event.jaxis.value) >> 14) != 0 )
             {
               key = ((event.jaxis.which & 15) << 12) | JOY_AXIS << 8 | ((event.jaxis.axis & 127) << 1);
               if (event.jaxis.value > 0) {
@@ -210,7 +210,7 @@
               else
                 printf( "Device: %d; Axis: %d (-)\n", event.jaxis.which, event.jaxis.axis );
               done = TRUE;
-            }
+            }*/
           break;
         case SDL_JOYHATMOTION:
           /* Diagonal positions will be treated as two separate keys being activated, rather than a single diagonal key. */
@@ -370,7 +370,7 @@
          Note: button constants have a 1bit offset. */
     case SDL_JOYAXISMOTION:
       key_code = ((event->jaxis.which & 15) << 12) | JOY_AXIS << 8 | ((event->jaxis.axis & 127) << 1);
-      if( (abs(event->jaxis.value) >> 14) != 0 )
+      /*if( (abs(event->jaxis.value) >> 14) != 0 )
         {
           if (event->jaxis.value > 0)
             key_code |= 1;
@@ -390,7 +390,7 @@
             RM_KEY( *keypad, key );
           if (key_o != 0)
             RM_KEY( *keypad, key_o );
-        }
+        }*/
       break;
 
     case SDL_JOYHATMOTION:

再次編譯

$ make
$ ./src/gtk/desmume --cpu-mode=1

完成

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