add card eject emulation

desmume/ChangeLog

@@ -1,4 +1,4 @@
-0.9.5 -> 0.9.6 (r3075-r3200-r3xxx)
+0.9.5 -> 0.9.6 (r3075-r3209-r3xxx)
 
 General/Core:
  bug: emulate keypad interrupt
@@ -9,9 +9,11 @@ General/Core:
  bug: fix lid savestate desync
  bug: fix texcache memory GB explosion when games use tons of tiny 3d sprites
  bug: fix huge rerecording movie file handle leak
+ bug: fix EXXXXXXX cheat codes
+ bug: add 8MBit flash emulation
+ bug: fix firmware booted-from-card flag
  enh: support devkitpro argv
  enh: add gbaslot-rom commandline
- bug: fix EXXXXXXX cheat codes
 
 Graphics:
  bug: fix a mistakenly rendered OBJ window
@@ -27,6 +29,7 @@ Windows:
  enh: add fancy ctrl+printscreen with emulator info on it
  enh: add "lockdown" window mode to keep window safe from fast stylus action
  enh: add alt+enter fullscreen command
+ enh: add card eject command
  
 Linux/OSX:
  bug: fix building for nosse2 systems

desmume/src/MMU.cpp

@@ -1357,7 +1357,11 @@ u32 MMU_readFromGC()
 				// As DeSmuME boots directly from the game, the chip
 				// ID in main mem is zero and this value needs to be
 				// zero too.
-				val = 0x00000000;
+
+				//staff of kings verifies this (it also uses the arm7 IRQ 20)
+				if(nds.cardEjected)
+					val = 0xFFFFFFFF;
+				else val = 0x00000000;
 			}
 			break;
 

desmume/src/NDSSystem.cpp

@@ -93,8 +93,6 @@ int NDS_Init( void) {
 	MMU_Init();
 	nds.VCount = 0;
 
-	nds.sleeping = FALSE;
-
 	if (Screen_Init(GFXCORE_DUMMY) != 0)
 		return -1;
 
@@ -867,6 +865,15 @@ int NDS_WriteBMP_32bppBuffer(int width, int height, const void* buf, const char
 }
 
 void NDS_Sleep() { nds.sleeping = TRUE; }
+void NDS_ToggleCardEject()
+{
+	if(!nds.cardEjected)
+	{
+		//staff of kings will test this (it also uses the arm9 0xB8 poll)
+		NDS_makeInt(1, 20);
+	}
+	nds.cardEjected ^= TRUE;
+}
 
 
 class FrameSkipper
@@ -1901,6 +1908,9 @@ void NDS_Reset()
 
 	if (!header) return ;
 
+	nds.sleeping = FALSE;
+	nds.cardEjected = FALSE;
+
 	nds_timer = 0;
 	nds_arm9_timer = 0;
 	nds_arm7_timer = 0;

desmume/src/NDSSystem.h

@@ -180,6 +180,7 @@ struct NDSSystem
 	u32 FW_ARM7BootCodeSize;
 
 	BOOL sleeping;
+	BOOL cardEjected;
 
 	//this is not essential NDS runtime state.
 	//it was perhaps a mistake to put it here.
@@ -384,6 +385,7 @@ int NDS_WriteBMP(const char *filename);
 int NDS_CreateDummyFirmware( struct NDS_fw_config_data *user_settings);
 
 void NDS_Sleep();
+void NDS_ToggleCardEject();
 
 void NDS_SkipNextFrame();
 #define NDS_SkipFrame(s) if(s) NDS_SkipNext2DFrame();

desmume/src/saves.cpp

@@ -172,6 +172,7 @@ SFORMAT SF_NDS[]={
 	{ "_ENH", 4, 1, &nds.ensataHandshake},
 	{ "_ENI", 4, 1, &nds.ensataIpcSyncCounter},
 	{ "_SLP", 4, 1, &nds.sleeping},
+	{ "_CEJ", 4, 1, &nds.cardEjected},
 	{ 0 }
 };
 

desmume/src/windows/main.cpp

@@ -3586,6 +3586,7 @@ LRESULT CALLBACK WindowProcedure (HWND hwnd, UINT message, WPARAM wParam, LPARAM
 			DesEnableMenuItem(mainMenu, IDM_QUICK_PRINTSCREEN, romloaded);
 			DesEnableMenuItem(mainMenu, IDM_FILE_RECORDAVI,    romloaded);
 			DesEnableMenuItem(mainMenu, IDM_FILE_RECORDWAV,    romloaded);
+			DesEnableMenuItem(mainMenu, IDM_EJECTCARD,         romloaded && movieMode == MOVIEMODE_INACTIVE);
 			DesEnableMenuItem(mainMenu, IDM_RESET,             romloaded && movieMode != MOVIEMODE_PLAY);
 			DesEnableMenuItem(mainMenu, IDM_CLOSEROM,          romloaded);
 			DesEnableMenuItem(mainMenu, IDM_SHUT_UP,           romloaded);
@@ -3614,8 +3615,10 @@ LRESULT CALLBACK WindowProcedure (HWND hwnd, UINT message, WPARAM wParam, LPARAM
 
 			//Updated Checked menu items
 			
-			//Pause
+			//emulation menu
 			MainWindow->checkMenu(IDM_PAUSE, ((paused)));
+			MainWindow->checkMenu(IDM_EJECTCARD, nds.cardEjected);
+
 			// LCDs layout
 			MainWindow->checkMenu(ID_LCDS_VERTICAL, ((video.layout==0)));
 			MainWindow->checkMenu(ID_LCDS_HORIZONTAL, ((video.layout==1)));
@@ -4938,6 +4941,10 @@ DOKEYDOWN:
 		case IDC_SAVETYPE7: backup_setManualBackupType(6); return 0; 
 		case IDC_SAVETYPE8: backup_setManualBackupType(7); return 0; 
 
+		case IDM_EJECTCARD:
+			NDS_ToggleCardEject();
+			return 0;
+
 		case IDM_RESET:
 			ResetGame();
 			return 0;

desmume/src/windows/resource.h

@@ -701,6 +701,7 @@
 #define IDM_VIEW3D                      40065
 #define IDM_LOCKDOWN                    40066
 #define IDC_SAVETYPE8                   40067
+#define IDM_EJECTCARD                    40068
 #define IDC_LABEL_UP                    50000
 #define IDC_LABEL_RIGHT                 50001
 #define IDC_LABEL_LEFT                  50002
@@ -796,7 +797,7 @@
 #ifdef APSTUDIO_INVOKED
 #ifndef APSTUDIO_READONLY_SYMBOLS
 #define _APS_NEXT_RESOURCE_VALUE        106
-#define _APS_NEXT_COMMAND_VALUE         40012
+#define _APS_NEXT_COMMAND_VALUE         40014
 #define _APS_NEXT_CONTROL_VALUE         1020
 #define _APS_NEXT_SYMED_VALUE           101
 #endif