Deprecate and invalidate the PC-98 entry VM events, and prepare hardware emulation to set up in PC-98 mode rather than setup in IBM PC mode only to restart in PC-98 mode

include/setup.h

@@ -298,8 +298,8 @@ enum vm_event {
 
 	VM_EVENT_DOS_EXIT_REBOOT_KERNEL=15,	// DOS kernel has just finished exiting (hard reset)
     VM_EVENT_DOS_SURPRISE_REBOOT,       // DOS kernel asked to boot, when apparently having never been shut down (jmp to FFFF:0000)
-    VM_EVENT_ENTER_PC98_MODE,           // Switching into PC-98 emulation mode, phase 1 (unregistering devices) (NOTE: This is TEMPORARY until full implementation is complete)
+    __DEAD__VM_EVENT_ENTER_PC98_MODE,           // Switching into PC-98 emulation mode, phase 1 (unregistering devices) (NOTE: This is TEMPORARY until full implementation is complete)
-    VM_EVENT_ENTER_PC98_MODE_END,       // Switching into PC-98 emulation mode, phase 2 (registering devices) (NOTE: This is TEMPORARY until full implementation is complete)
+    __DEAD__VM_EVENT_ENTER_PC98_MODE_END,       // Switching into PC-98 emulation mode, phase 2 (registering devices) (NOTE: This is TEMPORARY until full implementation is complete)
 
 	VM_EVENT_MAX
 };

src/gui/sdlmain.cpp

@@ -5660,6 +5660,12 @@ int main(int argc, char* argv[]) {
 			MAPPER_RunInternal();
 		}
 
+        /* if we're supposed to run in PC-98 mode, then do it NOW */
+        if (enable_pc98_jump) {
+            machine = MCH_PC98;
+            enable_pc98_jump = false;
+        }
+
 		/* The machine just "powered on", and then reset finished */
 		if (!VM_PowerOn()) E_Exit("VM failed to power on");
 

src/hardware/cmos.cpp

@@ -550,14 +550,6 @@ static IO_WriteHandleObject WriteHandler[2];
 void CMOS_Destroy(Section* sec) {
 }
 
-void CMOS_EnterPC98(Section* sec) {
-    /* No such device on PC-98 */
-	WriteHandler[0].Uninstall();
-	WriteHandler[1].Uninstall();
-	ReadHandler[0].Uninstall();
-	ReadHandler[1].Uninstall();
-}
-
 void CMOS_Reset(Section* sec) {
 	LOG(LOG_MISC,LOG_DEBUG)("CMOS_Reset(): reinitializing CMOS/RTC controller");
 
@@ -613,7 +605,5 @@ void CMOS_Init() {
 
 	AddExitFunction(AddExitFunctionFuncPair(CMOS_Destroy),true);
 	AddVMEventFunction(VM_EVENT_RESET,AddVMEventFunctionFuncPair(CMOS_Reset));
-
-	AddVMEventFunction(VM_EVENT_ENTER_PC98_MODE,AddVMEventFunctionFuncPair(CMOS_EnterPC98));
 }
 

src/hardware/disney.cpp

@@ -425,13 +425,6 @@ static void DISNEY_ShutDown(Section* sec){
     }
 }
 
-static void DISNEY_OnEnterPC98(Section* sec){
-    if (test) {
-        delete test;
-        test = NULL;
-    }
-}
-
 Bitu DISNEY_BasePort() {
 	return DISNEY_BASE;
 }
@@ -458,11 +451,5 @@ void DISNEY_Init() {
 	LOG(LOG_MISC,LOG_DEBUG)("Initializing Disney Sound Source emulation");
 
 	AddExitFunction(AddExitFunctionFuncPair(DISNEY_ShutDown),true);
-
-    /* FIXME: We *could* emulate a Disney Sound Source / LPT DAC / etc. attached to the parallel port
-     *        of a PC-98 system, but, since this code attaches to the I/O ports to emulate the hardware
-     *        we have to disable it in PC-98 mode until such time that this code can remap to emulate
-     *        the PC-98's printer port. */
-    AddVMEventFunction(VM_EVENT_ENTER_PC98_MODE,AddVMEventFunctionFuncPair(DISNEY_OnEnterPC98));
 }
 

src/hardware/dma.cpp

@@ -480,10 +480,6 @@ void DMA_Destroy(Section* /*sec*/) {
 	DMA_FreeControllers();
 }
 
-void DMA_OnEnterPC98(Section* /*sec*/) {
-	DMA_FreeControllers();
-}
-
 void DMA_Reset(Section* /*sec*/) {
 	Bitu i;
 
@@ -568,6 +564,5 @@ void Init_DMA() {
 
 	AddExitFunction(AddExitFunctionFuncPair(DMA_Destroy));
 	AddVMEventFunction(VM_EVENT_RESET,AddVMEventFunctionFuncPair(DMA_Reset));
-	AddVMEventFunction(VM_EVENT_ENTER_PC98_MODE,AddVMEventFunctionFuncPair(DMA_OnEnterPC98));
 }
 

src/hardware/dongle.cpp

@@ -180,13 +180,6 @@ static void DONGLE_ShutDown(Section* sec){
     }
 }
 
-static void DONGLE_OnEnterPC98(Section* sec){
-    if (test) {
-        delete test;
-        test = NULL;
-    }
-}
-
 void DONGLE_OnReset(Section* sec) {
 	if (test == NULL && !IS_PC98_ARCH) {
 		LOG(LOG_MISC,LOG_DEBUG)("Allocating parallel dongle emulation");
@@ -199,5 +192,4 @@ void DONGLE_Init() {
 
 	AddExitFunction(AddExitFunctionFuncPair(DONGLE_ShutDown),true);
 	AddVMEventFunction(VM_EVENT_RESET,AddVMEventFunctionFuncPair(DONGLE_OnReset));
-	AddVMEventFunction(VM_EVENT_ENTER_PC98_MODE,AddVMEventFunctionFuncPair(DONGLE_OnEnterPC98));
 }

src/hardware/floppy.cpp

@@ -315,25 +315,10 @@ void FDC_OnReset(Section *sec) {
 	FDC_Init(control->GetSection("fdc, primary"),0);
 }
 
-void FDC_OnEnterPC98(Section *sec) {
-	for (unsigned int i=0;i < MAX_FLOPPY_CONTROLLERS;i++) {
-		if (floppycontroller[i] != NULL) {
-			delete floppycontroller[i];
-			floppycontroller[i] = NULL;
-		}
-	}
-
-	init_floppy = 0;
-}
-
 void FDC_Primary_Init() {
 	LOG(LOG_MISC,LOG_DEBUG)("Initializing floppy controller emulation");
 
 	AddVMEventFunction(VM_EVENT_RESET,AddVMEventFunctionFuncPair(FDC_OnReset));
-
-    // TODO: I *think* the floppy controller is the same NEC chipset as used on IBM.
-    //       However I don't know what the I/O ports and IRQ are yet.
-	AddVMEventFunction(VM_EVENT_ENTER_PC98_MODE,AddVMEventFunctionFuncPair(FDC_OnEnterPC98));
 }
 
 void FloppyController::update_ST3() {

src/hardware/gus.cpp

@@ -2234,16 +2234,6 @@ void GUS_DOS_Boot(Section *sec) {
     if (test != NULL) test->DOS_Startup();
 }
 
-void GUS_OnEnterPC98(Section *sec) {
-    /* PC-98 does not have Gravis Ultrasound.
-     * Upon entry, remove all I/O ports and shutdown emulation */
-    GUS_DOS_Shutdown();
-	if (test != NULL) {
-		delete test;	
-		test = NULL;
-	}
-}
-
 void GUS_Init() {
 	LOG(LOG_MISC,LOG_DEBUG)("Initializing Gravis Ultrasound emulation");
 
@@ -2253,7 +2243,5 @@ void GUS_Init() {
 	AddVMEventFunction(VM_EVENT_DOS_SURPRISE_REBOOT,AddVMEventFunctionFuncPair(GUS_DOS_Exit));
 	AddVMEventFunction(VM_EVENT_DOS_EXIT_REBOOT_BEGIN,AddVMEventFunctionFuncPair(GUS_DOS_Exit));
     AddVMEventFunction(VM_EVENT_DOS_INIT_SHELL_READY,AddVMEventFunctionFuncPair(GUS_DOS_Boot));
-
-    AddVMEventFunction(VM_EVENT_ENTER_PC98_MODE,AddVMEventFunctionFuncPair(GUS_OnEnterPC98));
 }
 

src/hardware/ide.cpp

@@ -3933,28 +3933,10 @@ void IDE_OnReset(Section *sec) {
 	for (size_t i=0;i < MAX_IDE_CONTROLLERS;i++) ide_inits[i](control->GetSection(ide_names[i]));
 }
 
-void IDE_OnEnterPC98(Section *sec) {
-    /* TODO: Late PC-9801 and PC-9821 have IDE controllers.
-     *       What I'm not familiar with is what I/O ports the IDE controller is mapped at
-     *       and what IRQ is used by IDE.
-     *
-     *       When I better understand the IDE controller I will reenable this code to match it */
-	for (unsigned int i=0;i < MAX_IDE_CONTROLLERS;i++) {
-		if (idecontroller[i] != NULL) {
-			delete idecontroller[i];
-			idecontroller[i] = NULL;
-		}
-	}
-
-	init_ide = 0;
-}
-
 void IDE_Init() {
 	LOG(LOG_MISC,LOG_DEBUG)("Initializing IDE controllers");
 
 	AddVMEventFunction(VM_EVENT_RESET,AddVMEventFunctionFuncPair(IDE_OnReset));
-
-	AddVMEventFunction(VM_EVENT_ENTER_PC98_MODE,AddVMEventFunctionFuncPair(IDE_OnEnterPC98));
 }
 
 void BIOS_Post_register_IDE() {

src/hardware/innova.cpp

@@ -120,14 +120,6 @@ static void INNOVA_ShutDown(Section* sec){
     }
 }
 
-static void INNOVA_OnEnterPC98(Section* sec){
-    /* No such device on PC-98 */
-    if (test != NULL) {
-        delete test;
-        test = NULL;
-    }
-}
-
 void INNOVA_OnReset(Section *sec) {
 	if (test == NULL && !IS_PC98_ARCH) {
 		LOG(LOG_MISC,LOG_DEBUG)("Allocating Innova emulation");
@@ -140,7 +132,5 @@ void INNOVA_Init() {
 
 	AddExitFunction(AddExitFunctionFuncPair(INNOVA_ShutDown),true);
 	AddVMEventFunction(VM_EVENT_RESET,AddVMEventFunctionFuncPair(INNOVA_OnReset));
-
-	AddVMEventFunction(VM_EVENT_ENTER_PC98_MODE,AddVMEventFunctionFuncPair(INNOVA_OnEnterPC98));
 }
 

src/hardware/joystick.cpp

@@ -220,13 +220,6 @@ void JOYSTICK_OnPowerOn(Section* sec) {
     }
 }
 
-void JOYSTICK_OnEnterPC98(Section* sec) {
-    if (test != NULL) {
-        delete test;
-        test = NULL;
-    }
-}
-
 void JOYSTICK_Init() {
 	LOG(LOG_MISC,LOG_DEBUG)("Initializing joystick emulation");
 
@@ -256,9 +249,9 @@ void JOYSTICK_Init() {
 		                 stick[1].ytick = PIC_FullIndex();
 	}
 
-	AddExitFunction(AddExitFunctionFuncPair(JOYSTICK_Destroy),true); 
+	AddExitFunction(AddExitFunctionFuncPair(JOYSTICK_Destroy),true);
-	AddVMEventFunction(VM_EVENT_POWERON,AddVMEventFunctionFuncPair(JOYSTICK_OnPowerOn));
 
-	AddVMEventFunction(VM_EVENT_ENTER_PC98_MODE,AddVMEventFunctionFuncPair(JOYSTICK_OnEnterPC98));
+    if (!IS_PC98_ARCH)
+        AddVMEventFunction(VM_EVENT_POWERON,AddVMEventFunctionFuncPair(JOYSTICK_OnPowerOn));
 }
 

src/hardware/keyboard.cpp

@@ -2209,6 +2209,7 @@ void KEYBOARD_OnReset(Section *sec) {
 
     if (IS_PC98_ARCH) {
         KEYBOARD_OnEnterPC98(NULL);
+        KEYBOARD_OnEnterPC98_phase2(NULL);
     }
     else {
         IO_RegisterWriteHandler(0x60,write_p60,IO_MB);
@@ -2231,9 +2232,6 @@ void KEYBOARD_Init() {
 	AddExitFunction(AddExitFunctionFuncPair(KEYBOARD_ShutDown));
 
 	AddVMEventFunction(VM_EVENT_RESET,AddVMEventFunctionFuncPair(KEYBOARD_OnReset));
-
-	AddVMEventFunction(VM_EVENT_ENTER_PC98_MODE,AddVMEventFunctionFuncPair(KEYBOARD_OnEnterPC98));
-	AddVMEventFunction(VM_EVENT_ENTER_PC98_MODE_END,AddVMEventFunctionFuncPair(KEYBOARD_OnEnterPC98_phase2));
 }
 
 void AUX_Reset() {

src/hardware/memory.cpp

@@ -1804,19 +1804,10 @@ void PS2Port92_OnReset(Section *sec) {
     }
 }
 
-void PS2Port92_OnEnterPC98(Section *sec) {
-	PS2_Port_92h_WriteHandler2.Uninstall();
-	PS2_Port_92h_WriteHandler.Uninstall();
-	PS2_Port_92h_ReadHandler.Uninstall();
-}
-
 void Init_PS2_Port_92h() {
 	LOG(LOG_MISC,LOG_DEBUG)("Initializing PS/2 port 92h emulation");
 
 	AddVMEventFunction(VM_EVENT_RESET,AddVMEventFunctionFuncPair(PS2Port92_OnReset));
-
-	AddVMEventFunction(VM_EVENT_ENTER_PC98_MODE,AddVMEventFunctionFuncPair(PS2Port92_OnEnterPC98));
-	AddVMEventFunction(VM_EVENT_ENTER_PC98_MODE_END,AddVMEventFunctionFuncPair(PS2Port92_OnReset));
 }
 
 void Init_MemHandles() {

src/hardware/mpu401.cpp

@@ -730,15 +730,6 @@ void MPU401_Destroy(Section* sec){
 	}
 }
 
-void MPU401_EnterPC98(Section* sec){
-    /* NTS: PC-98 systems do have add-in cards for MIDI, but not in the same
-     *      way that IBM PC/XT/AT systems present it to the software. */
-	if (test != NULL) {
-		delete test;
-		test = NULL;
-	}
-}
-
 void MPU401_Reset(Section* sec) {
 	if (test == NULL) {
 		LOG(LOG_MISC,LOG_DEBUG)("Allocating MPU401 emulation");
@@ -765,9 +756,6 @@ void MPU401_Init() {
 	AddVMEventFunction(VM_EVENT_RESET,AddVMEventFunctionFuncPair(MPU401_Reset));
 	AddExitFunction(AddExitFunctionFuncPair(MPU401_Destroy),true);
 
-    AddVMEventFunction(VM_EVENT_ENTER_PC98_MODE,AddVMEventFunctionFuncPair(MPU401_EnterPC98));
-    AddVMEventFunction(VM_EVENT_ENTER_PC98_MODE_END,AddVMEventFunctionFuncPair(MPU401_Reset));
-
 	control->GetSection("midi")->onpropchange.push_back(&MIDI_OnSectionPropChange);
 }
 

src/hardware/ne2000.cpp

@@ -1670,13 +1670,6 @@ void NE2K_ShutDown(Section* sec) {
     }
 }
 
-void NE2k_OnEnterPC98(Section* sec) {
-	if (test) {
-        delete test;	
-        test = NULL;
-    }
-}
-
 void NE2K_OnReset(Section* sec) {
 	if (test == NULL && !IS_PC98_ARCH) {
 		LOG(LOG_MISC,LOG_DEBUG)("Allocating NE2000 emulation");
@@ -1695,7 +1688,6 @@ void NE2K_Init() {
 
 	AddExitFunction(AddExitFunctionFuncPair(NE2K_ShutDown),true);
 	AddVMEventFunction(VM_EVENT_RESET,AddVMEventFunctionFuncPair(NE2K_OnReset));
-    AddVMEventFunction(VM_EVENT_ENTER_PC98_MODE,AddVMEventFunctionFuncPair(NE2k_OnEnterPC98));
 }
 
 #endif // C_NE2000

src/hardware/parport/parport.cpp

@@ -319,6 +319,9 @@ public:
 	
 	PARPORTS (Section * configuration):Module_base (configuration) {
 
+        // TODO: PC-98 does have one parallel port, if at all
+        if (IS_PC98_ARCH) return;
+
 		// default ports & interrupts
 		Bit8u defaultirq[] = { 7, 5, 12};
 		Section_prop *section = static_cast <Section_prop*>(configuration);
@@ -434,31 +437,16 @@ void PARALLEL_OnReset (Section * sec) {
 	}
 }
 
-void PARALLEL_OnPC98Enter (Section * sec) {
-    /* TODO: PC-98 systems do have parallel ports.
-     *       Update this code to match when I figure out how they work and what I/O ports are involved. */
-    unsigned int i;
-
-    for (i=0;i < 3;i++) {
-        if (parallelPortObjects[i] != NULL)
-            parallelPortObjects[i]->unregisterDOSDevice();
-    }
-
-    if (testParallelPortsBaseclass != NULL) {
-        delete testParallelPortsBaseclass;
-        testParallelPortsBaseclass = NULL;
-    }
-}
-
 void PARALLEL_Init () {
 	LOG(LOG_MISC,LOG_DEBUG)("Initializing parallel port emulation");
 
 	AddExitFunction(AddExitFunctionFuncPair(PARALLEL_Destroy),true);
-	AddVMEventFunction(VM_EVENT_RESET,AddVMEventFunctionFuncPair(PARALLEL_OnReset));
-	AddVMEventFunction(VM_EVENT_POWERON,AddVMEventFunctionFuncPair(PARALLEL_OnPowerOn));
-	AddVMEventFunction(VM_EVENT_DOS_EXIT_BEGIN,AddVMEventFunctionFuncPair(PARALLEL_OnDOSKernelExit));
-	AddVMEventFunction(VM_EVENT_DOS_INIT_KERNEL_READY,AddVMEventFunctionFuncPair(PARALLEL_OnDOSKernelInit));
 
-	AddVMEventFunction(VM_EVENT_ENTER_PC98_MODE,AddVMEventFunctionFuncPair(PARALLEL_OnPC98Enter));
+    if (!IS_PC98_ARCH) {
+        AddVMEventFunction(VM_EVENT_RESET,AddVMEventFunctionFuncPair(PARALLEL_OnReset));
+        AddVMEventFunction(VM_EVENT_POWERON,AddVMEventFunctionFuncPair(PARALLEL_OnPowerOn));
+        AddVMEventFunction(VM_EVENT_DOS_EXIT_BEGIN,AddVMEventFunctionFuncPair(PARALLEL_OnDOSKernelExit));
+        AddVMEventFunction(VM_EVENT_DOS_INIT_KERNEL_READY,AddVMEventFunctionFuncPair(PARALLEL_OnDOSKernelInit));
+    }
 }
 

src/hardware/pic.cpp

@@ -811,22 +811,6 @@ void PIC_Reset(Section *sec) {
 void PIC_Destroy(Section* sec) {
 }
 
-void PIC_EnterPC98_Phase1(Section* sec) {
-	ReadHandler[0].Uninstall();
-	ReadHandler[1].Uninstall();
-	WriteHandler[0].Uninstall();
-	WriteHandler[1].Uninstall();
-	ReadHandler[2].Uninstall();
-	ReadHandler[3].Uninstall();
-	WriteHandler[2].Uninstall();
-	WriteHandler[3].Uninstall();
-	PCXT_NMI_WriteHandler.Uninstall();
-}
-
-void PIC_EnterPC98_Phase2(Section* sec) {
-    PIC_Reset(sec);
-}
-
 void Init_PIC() {
 	Bitu i;
 
@@ -845,7 +829,5 @@ void Init_PIC() {
 
 	AddExitFunction(AddExitFunctionFuncPair(PIC_Destroy));
 	AddVMEventFunction(VM_EVENT_RESET,AddVMEventFunctionFuncPair(PIC_Reset));
-	AddVMEventFunction(VM_EVENT_ENTER_PC98_MODE,AddVMEventFunctionFuncPair(PIC_EnterPC98_Phase1));
-	AddVMEventFunction(VM_EVENT_ENTER_PC98_MODE_END,AddVMEventFunctionFuncPair(PIC_EnterPC98_Phase2));
 }
 

src/hardware/ps1_sound.cpp

@@ -395,13 +395,6 @@ void PS1SOUND_ShutDown(Section* sec) {
     }
 }
 
-void PS1SOUND_OnEnterPC98(Section* sec) {
-    if (test) {
-        delete test;
-        test = NULL;
-    }
-}
-
 void PS1SOUND_OnReset(Section* sec) {
 	if (test == NULL && !IS_PC98_ARCH) {
 		LOG(LOG_MISC,LOG_DEBUG)("Allocating PS/1 sound emulation");
@@ -414,7 +407,5 @@ void PS1SOUND_Init() {
 
 	AddExitFunction(AddExitFunctionFuncPair(PS1SOUND_ShutDown),true);
 	AddVMEventFunction(VM_EVENT_RESET,AddVMEventFunctionFuncPair(PS1SOUND_OnReset));
-
-    AddVMEventFunction(VM_EVENT_ENTER_PC98_MODE,AddVMEventFunctionFuncPair(PS1SOUND_OnEnterPC98));
 }
 

src/hardware/sblaster.cpp

@@ -3584,17 +3584,6 @@ void SBLASTER_DOS_Boot(Section *sec) {
     if (test != NULL) test->DOS_Startup();
 }
 
-void SBLASTER_OnEnterPC98(Section *sec) {
-    /* PC-98 does not have Sound Blaster (that I'm aware of anyway).
-     * Upon entry, remove all I/O ports and shutdown emulation */
-    SBLASTER_DOS_Shutdown();
-	if (test != NULL) {
-		delete test;	
-		test = NULL;
-	}
-	HWOPL_Cleanup();
-}
-
 void SBLASTER_Init() {
 	LOG(LOG_MISC,LOG_DEBUG)("Initializing Sound Blaster emulation");
 
@@ -3604,7 +3593,5 @@ void SBLASTER_Init() {
 	AddVMEventFunction(VM_EVENT_DOS_SURPRISE_REBOOT,AddVMEventFunctionFuncPair(SBLASTER_DOS_Exit));
 	AddVMEventFunction(VM_EVENT_DOS_EXIT_REBOOT_BEGIN,AddVMEventFunctionFuncPair(SBLASTER_DOS_Exit));
     AddVMEventFunction(VM_EVENT_DOS_INIT_SHELL_READY,AddVMEventFunctionFuncPair(SBLASTER_DOS_Boot));
-
-    AddVMEventFunction(VM_EVENT_ENTER_PC98_MODE,AddVMEventFunctionFuncPair(SBLASTER_OnEnterPC98));
 }
 

src/hardware/serialport/serialport.cpp

@@ -1304,6 +1304,10 @@ public:
 	SERIALPORTS (Section * configuration):Module_base (configuration) {
 		Section_prop *section = static_cast <Section_prop*>(configuration);
 
+        // TODO: PC-98 does have serial ports, though differently.
+        //       COM1 is a 8251 UART, while COM2 and higher if they exist are 8250/16xxx UARTs
+        if (IS_PC98_ARCH) return;
+
 		char s_property[] = "serialx"; 
 		for(Bitu i = 0; i < 4; i++) {
 			// get the configuration property
@@ -1413,39 +1417,16 @@ void SERIAL_OnReset (Section * sec) {
 	}
 }
 
-void SERIAL_OnEnterPC98Mode (Section * sec) {
-    // TODO: PC-98 systems do have serial port(s).
-    //
-    //       I will update the code to match when I better understand them.
-    //
-    //       Note that up to two different chipsets are involved.
-    //
-    //       COM1 is usually an Intel 8251, which is completely different from the 8250/16550 used on IBM PC.
-    //
-    //       COM2 however, is usually an 16550.
-	unsigned int i;
-
-	for (i=0;i < 3;i++) {
-		if (serialports[i] != NULL)
-			serialports[i]->unregisterDOSDevice();
-	}
-
-    if (testSerialPortsBaseclass) {
-		LOG(LOG_MISC,LOG_DEBUG)("Deleting serial port base class");
-		delete testSerialPortsBaseclass;
-		testSerialPortsBaseclass = NULL;
-	}
-}
-
 void SERIAL_Init () {
 	LOG(LOG_MISC,LOG_DEBUG)("Initializing serial port emulation");
 
 	AddExitFunction(AddExitFunctionFuncPair(SERIAL_Destroy),true);
-	AddVMEventFunction(VM_EVENT_POWERON,AddVMEventFunctionFuncPair(SERIAL_OnPowerOn));
-	AddVMEventFunction(VM_EVENT_RESET,AddVMEventFunctionFuncPair(SERIAL_OnReset));
-	AddVMEventFunction(VM_EVENT_DOS_EXIT_BEGIN,AddVMEventFunctionFuncPair(SERIAL_OnDOSKernelExit));
-	AddVMEventFunction(VM_EVENT_DOS_INIT_KERNEL_READY,AddVMEventFunctionFuncPair(SERIAL_OnDOSKernelInit));
 
-	AddVMEventFunction(VM_EVENT_ENTER_PC98_MODE,AddVMEventFunctionFuncPair(SERIAL_OnEnterPC98Mode));
+    if (!IS_PC98_ARCH) {
+        AddVMEventFunction(VM_EVENT_POWERON,AddVMEventFunctionFuncPair(SERIAL_OnPowerOn));
+        AddVMEventFunction(VM_EVENT_RESET,AddVMEventFunctionFuncPair(SERIAL_OnReset));
+        AddVMEventFunction(VM_EVENT_DOS_EXIT_BEGIN,AddVMEventFunctionFuncPair(SERIAL_OnDOSKernelExit));
+        AddVMEventFunction(VM_EVENT_DOS_INIT_KERNEL_READY,AddVMEventFunctionFuncPair(SERIAL_OnDOSKernelInit));
+    }
 }
 

src/hardware/tandy_sound.cpp

@@ -520,13 +520,6 @@ void TANDYSOUND_ShutDown(Section* /*sec*/) {
     }
 }
 
-void TANDYSOUND_OnEnterPC98(Section* /*sec*/) {
-    if (test) {
-        delete test;
-        test = NULL;
-    }
-}
-
 void TANDYSOUND_OnReset(Section* sec) {
 	if (test == NULL && !IS_PC98_ARCH) {
 		LOG(LOG_MISC,LOG_DEBUG)("Allocating Tandy speaker emulation");
@@ -539,7 +532,5 @@ void TANDYSOUND_Init() {
 
 	AddExitFunction(AddExitFunctionFuncPair(TANDYSOUND_ShutDown),true);
 	AddVMEventFunction(VM_EVENT_RESET,AddVMEventFunctionFuncPair(TANDYSOUND_OnReset));
-
-    AddVMEventFunction(VM_EVENT_ENTER_PC98_MODE,AddVMEventFunctionFuncPair(TANDYSOUND_OnEnterPC98));
 }
 

src/hardware/timer.cpp

@@ -542,6 +542,11 @@ void TIMER_OnPowerOn(Section*) {
 
 	latched_timerstatus_locked=false;
 	gate2 = false;
+
+    if (IS_PC98_ARCH) {
+        void TIMER_OnEnterPC98_Phase2(Section*);
+        TIMER_OnEnterPC98_Phase2(NULL);
+    }
 }
 
 /* NTS: This comes in two phases because we're taking ports 0x71-0x77 which overlap
@@ -553,19 +558,6 @@ void TIMER_OnPowerOn(Section*) {
  *      Phase 2 is where we can then claim the I/O ports without our claim getting
  *      overwritten by CMOS emulation unregistering the I/O port. */
 
-void TIMER_OnEnterPC98_Phase1(Section*) {
-	PIC_RemoveEvents(PIT0_Event);
-
-	WriteHandler[0].Uninstall();
-	WriteHandler[1].Uninstall();
-	WriteHandler[2].Uninstall();
-	WriteHandler[3].Uninstall();
-	ReadHandler[0].Uninstall();
-	ReadHandler[1].Uninstall();
-	ReadHandler[2].Uninstall();
-	ReadHandler[3].Uninstall();
-}
-
 void TIMER_OnEnterPC98_Phase2(Section*) {
 	Section_prop * section=static_cast<Section_prop *>(control->GetSection("dosbox"));
 	assert(section != NULL);
@@ -663,7 +655,5 @@ void TIMER_Init() {
 
 	AddExitFunction(AddExitFunctionFuncPair(TIMER_Destroy));
 	AddVMEventFunction(VM_EVENT_POWERON,AddVMEventFunctionFuncPair(TIMER_OnPowerOn));
-	AddVMEventFunction(VM_EVENT_ENTER_PC98_MODE,AddVMEventFunctionFuncPair(TIMER_OnEnterPC98_Phase1));
-	AddVMEventFunction(VM_EVENT_ENTER_PC98_MODE_END,AddVMEventFunctionFuncPair(TIMER_OnEnterPC98_Phase2));
 }
 

src/hardware/vga.cpp

@@ -727,9 +727,13 @@ void VGA_Reset(Section*) {
     if (IS_PC98_ARCH) {
         void VGA_OnEnterPC98(Section *sec);
         void VGA_OnEnterPC98_phase2(Section *sec);
+        void PC98_FM_OnEnterPC98(Section *sec);
 
         VGA_OnEnterPC98(NULL);
         VGA_OnEnterPC98_phase2(NULL);
+
+        // TODO: Move to separate file
+        PC98_FM_OnEnterPC98(NULL);
     }
 }
 
@@ -860,8 +864,6 @@ void VGA_OnEnterPC98(Section *sec) {
 
 void MEM_ResetPageHandler_Unmapped(Bitu phys_page, Bitu pages);
 
-void PC98_FM_OnEnterPC98(Section *sec);
-
 void VGA_OnEnterPC98_phase2(Section *sec) {
     VGA_SetupHandlers();
 
@@ -1020,11 +1022,6 @@ void VGA_Init() {
 	}
 
 	AddVMEventFunction(VM_EVENT_RESET,AddVMEventFunctionFuncPair(VGA_Reset));
-	AddVMEventFunction(VM_EVENT_ENTER_PC98_MODE,AddVMEventFunctionFuncPair(VGA_OnEnterPC98));
-	AddVMEventFunction(VM_EVENT_ENTER_PC98_MODE_END,AddVMEventFunctionFuncPair(VGA_OnEnterPC98_phase2));
-
-    // TODO: Move to separate file
-	AddVMEventFunction(VM_EVENT_ENTER_PC98_MODE_END,AddVMEventFunctionFuncPair(PC98_FM_OnEnterPC98));
 }
 
 void SVGA_Setup_Driver(void) {

src/ints/bios.cpp

@@ -4259,14 +4259,6 @@ private:
 			for (Bit16u i=0x400;i<0x8000;i++) real_writeb(0x0,i,0);
 		}
 
-        /* if we're supposed to run in PC-98 mode, then do it NOW */
-        if (enable_pc98_jump) {
-            machine = MCH_PC98;
-            enable_pc98_jump = false;
-            DispatchVMEvent(VM_EVENT_ENTER_PC98_MODE); /* IBM PC unregistration/shutdown */
-            DispatchVMEvent(VM_EVENT_ENTER_PC98_MODE_END); /* PC-98 registration/startup */
-        }
-
         if (IS_PC98_ARCH) {
             for (unsigned int i=0;i < 20;i++) callback[i].Uninstall();
 

src/ints/mouse.cpp

@@ -1238,6 +1238,15 @@ Bitu MOUSE_UserInt_CB_Handler(void) {
 
 bool MouseTypeNone();
 
+void MOUSE_OnReset(Section *sec) {
+    if (IS_PC98_ARCH)
+        MOUSE_IRQ = 13; // PC-98 standard
+    else
+        MOUSE_IRQ = 12; // IBM PC/AT standard
+
+    PIC_SetIRQMask(MOUSE_IRQ,true);
+}
+
 void MOUSE_ShutDown(Section *sec) {
 }
 
@@ -1346,24 +1355,10 @@ void MOUSE_Startup(Section *sec) {
 	Mouse_SetSensitivity(50,50,50);
 }
 
-void MOUSE_OnEnterPC98(Section *sec) {
-}
-
-void MOUSE_OnEnterPC98_phase2(Section *sec) {
-    // PC-98 change mouse to IRQ 13 (same as Neko Project II)
-    MOUSE_IRQ = 13; // NTS: Based on NKII pic_setirq(0x0D)
-    PIC_SetIRQMask(MOUSE_IRQ,true);
-
-    // FIXME: This doesn't explain why Puyo Puyo sets up an interrupt handler
-    //        that blows up and hangs if IRQ 5 is fired... what's that about? --J.C.
-}
-
 void MOUSE_Init() {
 	LOG(LOG_MISC,LOG_DEBUG)("Initializing mouse interface emulation");
 
 	// TODO: We need a DOSBox shutdown callback, and we need a shutdown callback for when the DOS kernel begins to unload and on system reset
-	AddVMEventFunction(VM_EVENT_RESET,AddVMEventFunctionFuncPair(MOUSE_ShutDown));
+	AddVMEventFunction(VM_EVENT_RESET,AddVMEventFunctionFuncPair(MOUSE_OnReset));
-	AddVMEventFunction(VM_EVENT_ENTER_PC98_MODE,AddVMEventFunctionFuncPair(MOUSE_OnEnterPC98));
-	AddVMEventFunction(VM_EVENT_ENTER_PC98_MODE_END,AddVMEventFunctionFuncPair(MOUSE_OnEnterPC98_phase2));
 }
 

src/misc/setup.cpp

@@ -819,6 +819,9 @@ void DispatchVMEvent(enum vm_event event) {
 
 	LOG(LOG_MISC,LOG_DEBUG)("Dispatching VM event %s",GetVMEventName(event));
 
+    if (event == __DEAD__VM_EVENT_ENTER_PC98_MODE || event == __DEAD__VM_EVENT_ENTER_PC98_MODE_END)
+        E_Exit("Obsolete VM event PC-98 switch");
+
 	vm_dispatch_state.begin_event(event);
 	for (std::list<Function_wrapper>::iterator i=vm_event_functions[event].begin();i!=vm_event_functions[event].end();i++) {
 		LOG(LOG_MISC,LOG_DEBUG)("Calling event %s handler (%p) '%s'",GetVMEventName(event),(void*)((*i).function),(*i).name.c_str());