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root/cebix/BasiliskII/src/AmigaOS/main_amiga.cpp

Comparing BasiliskII/src/AmigaOS/main_amiga.cpp (file contents):
Revision 1.1.1.1 by cebix, 1999-10-03T14:16:25Z vs.
Revision 1.7 by cebix, 2000-07-14T21:29:10Z

#	Line 1 | Line 1
1		/*
2		*  main_amiga.cpp - Startup code for AmigaOS
3		*
4	<	*  Basilisk II (C) 1997-1999 Christian Bauer
4	>	*  Basilisk II (C) 1997-2000 Christian Bauer
5		*
6		*  This program is free software; you can redistribute it and/or modify
7		*  it under the terms of the GNU General Public License as published by
#	Line 56 | Line 56
56		#include "debug.h"
57
58
59	+	// Options for libnix
60	+	unsigned long __stack = 0x4000;         // Stack requirement
61	+	int __nocommandline = 1;                        // Disable command line parsing
62	+
63	+
64		// Constants
65		static const char ROM_FILE_NAME[] = "ROM";
66	<	static const char __ver[] = "$VER: " VERSION_STRING " " __AMIGADATE__;
66	>	static const char __ver[] = "$VER: " VERSION_STRING " " __DATE__;
67		static const int SCRATCH_MEM_SIZE = 65536;
68
69
#	Line 80 | Line 85 | bool TwentyFourBitAddressing;
85
86		// Global variables
87		extern ExecBase *SysBase;
88	+	struct Library *GfxBase = NULL;
89	+	struct IntuitionBase *IntuitionBase = NULL;
90		struct Library *GadToolsBase = NULL;
91	+	struct Library *IFFParseBase = NULL;
92		struct Library *AslBase = NULL;
93		struct Library *P96Base = NULL;
94	+	struct Library *CyberGfxBase = NULL;
95		struct Library *TimerBase = NULL;
96		struct Library *AHIBase = NULL;
97		struct Library *DiskBase = NULL;
#	Line 106 | Line 115 | static bool stack_swapped = false;                             //
115		static StackSwapStruct stack_swap;
116
117
109	–	// Prototypes
110	–	static void jump_to_rom(void);
111	–	static void tick_func(void);
112	–
113	–
118		// Assembly functions
119		struct trap_regs;
120		extern "C" void AtomicAnd(uint32 *p, uint32 val);
#	Line 120 | Line 124 | extern "C" void TrapHandlerAsm(void);
124		extern "C" void ExceptionHandlerAsm(void);
125		extern "C" void IllInstrHandler(trap_regs *regs);
126		extern "C" void PrivViolHandler(trap_regs *regs);
127	+	extern "C" void quit_emulator(void);
128		uint16 EmulatedSR;                                      // Emulated SR (supervisor bit and interrupt mask)
129
130
131	+	// Prototypes
132	+	static void jump_to_rom(void);
133	+	static void tick_func(void);
134	+
135	+
136		/*
137		*  Main program
138		*/
#	Line 141 | Line 151 | int main(void)
151		printf(GetString(STR_ABOUT_TEXT1), VERSION_MAJOR, VERSION_MINOR);
152		printf(" %s\n", GetString(STR_ABOUT_TEXT2));
153
144	–	// Read preferences
145	–	PrefsInit();
146	–
154		// Open libraries
155	+	GfxBase = OpenLibrary((UBYTE *)"graphics.library", 39);
156	+	if (GfxBase == NULL) {
157	+	printf("Cannot open graphics.library V39.\n");
158	+	exit(1);
159	+	}
160	+	IntuitionBase = (struct IntuitionBase *)OpenLibrary((UBYTE *)"intuition.library", 39);
161	+	if (IntuitionBase == NULL) {
162	+	printf("Cannot open intuition.library V39.\n");
163	+	CloseLibrary(GfxBase);
164	+	exit(1);
165	+	}
166		DiskBase = (struct Library *)OpenResource((UBYTE *)"disk.resource");
167		if (DiskBase == NULL)
168		QuitEmulator();
#	Line 153 | Line 171 | int main(void)
171		ErrorAlert(GetString(STR_NO_GADTOOLS_LIB_ERR));
172		QuitEmulator();
173		}
174	+	IFFParseBase = OpenLibrary((UBYTE *)"iffparse.library", 39);
175	+	if (IFFParseBase == NULL) {
176	+	ErrorAlert(GetString(STR_NO_IFFPARSE_LIB_ERR));
177	+	QuitEmulator();
178	+	}
179		AslBase = OpenLibrary((UBYTE *)"asl.library", 36);
180		if (AslBase == NULL) {
181		ErrorAlert(GetString(STR_NO_ASL_LIB_ERR));
182		QuitEmulator();
183		}
184	+
185	+	// These two can fail (the respective gfx support won't be available, then)
186		P96Base = OpenLibrary((UBYTE *)"Picasso96API.library", 2);
187	+	CyberGfxBase = OpenLibrary((UBYTE *)"cybergraphics.library", 2);
188	+
189	+	// Read preferences
190	+	PrefsInit();
191
192		// Open AHI
193		ahi_port = CreateMsgPort();
#	Line 228 | Line 257 | int main(void)
257		const char *rom_path = PrefsFindString("rom");
258
259		// Load Mac ROM
260	<	BPTR rom_fh = Open(rom_path ? (char *)rom_path : ROM_FILE_NAME, MODE_OLDFILE);
260	>	BPTR rom_fh = Open(rom_path ? (char *)rom_path : (char *)ROM_FILE_NAME, MODE_OLDFILE);
261		if (rom_fh == NULL) {
262		ErrorAlert(GetString(STR_NO_ROM_FILE_ERR));
263		QuitEmulator();
#	Line 248 | Line 277 | int main(void)
277		QuitEmulator();
278		}
279
251	–	// Check ROM version
252	–	if (!CheckROM()) {
253	–	ErrorAlert(GetString(STR_UNSUPPORTED_ROM_TYPE_ERR));
254	–	QuitEmulator();
255	–	}
256	–
280		// Set CPU and FPU type
281		UWORD attn = SysBase->AttnFlags;
282		CPUType = attn & AFF_68040 ? 4 : (attn & AFF_68030 ? 3 : 2);
283		CPUIs68060 = attn & AFF_68060;
284		FPUType = attn & AFF_68881 ? 1 : 0;
285
286	<	// Load XPRAM
287	<	XPRAMInit();
265	<
266	<	// Set boot volume
267	<	int16 i16 = PrefsFindInt16("bootdrive");
268	<	XPRAM[0x78] = i16 >> 8;
269	<	XPRAM[0x79] = i16 & 0xff;
270	<	i16 = PrefsFindInt16("bootdriver");
271	<	XPRAM[0x7a] = i16 >> 8;
272	<	XPRAM[0x7b] = i16 & 0xff;
273	<
274	<	// Init drivers
275	<	SonyInit();
276	<	DiskInit();
277	<	CDROMInit();
278	<	SCSIInit();
279	<
280	<	// Init network
281	<	EtherInit();
282	<
283	<	// Init serial ports
284	<	SerialInit();
285	<
286	<	// Init Time Manager
287	<	TimerInit();
288	<
289	<	// Init clipboard
290	<	ClipInit();
291	<
292	<	// Init audio
293	<	AudioInit();
294	<
295	<	// Init video
296	<	if (!VideoInit(ROMVersion == ROM_VERSION_64K || ROMVersion == ROM_VERSION_PLUS || ROMVersion == ROM_VERSION_CLASSIC))
297	<	QuitEmulator();
298	<
299	<	// Install ROM patches
300	<	if (!PatchROM()) {
301	<	ErrorAlert(GetString(STR_UNSUPPORTED_ROM_TYPE_ERR));
286	>	// Initialize everything
287	>	if (!InitAll())
288		QuitEmulator();
303	–	}
289
290		// Move VBR away from 0 if neccessary
291		MoveVBR();
#	Line 319 | Line 304 | int main(void)
304
305		// Start 60Hz process
306		tick_proc = CreateNewProcTags(
307	<	NP_Entry, tick_func,
308	<	NP_Name, "Basilisk II 60Hz",
307	>	NP_Entry, (ULONG)tick_func,
308	>	NP_Name, (ULONG)"Basilisk II 60Hz",
309		NP_Priority, 5,
310		TAG_END
311		);
#	Line 354 | Line 339 | void Start680x0(void)
339		*  Quit emulator (__saveds because it might be called from an exception)
340		*/
341
342	<	void __saveds QuitEmulator(void)
342	>	// Assembly entry point
343	>	void __saveds quit_emulator(void)
344		{
345	+	QuitEmulator();
346	+	}
347	+
348	+	void QuitEmulator(void)
349	+	{
350	+	// Stop 60Hz thread
351	+	if (tick_proc) {
352	+	SetSignal(0, SIGF_SINGLE);
353	+	tick_proc_active = false;
354	+	Wait(SIGF_SINGLE);
355	+	}
356	+
357		// Restore stack
358		if (stack_swapped) {
359		stack_swapped = false;
#	Line 369 | Line 367 | void __saveds QuitEmulator(void)
367		FreeSignal(IRQSig);
368		}
369
372	–	// Stop 60Hz thread
373	–	if (tick_proc) {
374	–	SetSignal(0, SIGF_SINGLE);
375	–	tick_proc_active = false;
376	–	Wait(SIGF_SINGLE);
377	–	}
378	–
370		// Remove trap handler
371		MainTask->tc_TrapCode = OldTrapHandler;
372
373	<	// Save XPRAM
374	<	XPRAMExit();
384	<
385	<	// Exit video
386	<	VideoExit();
387	<
388	<	// Exit audio
389	<	AudioExit();
390	<
391	<	// Exit clipboard
392	<	ClipExit();
393	<
394	<	// Exit Time Manager
395	<	TimerExit();
396	<
397	<	// Exit serial ports
398	<	SerialExit();
399	<
400	<	// Exit network
401	<	EtherExit();
402	<
403	<	// Exit drivers
404	<	SCSIExit();
405	<	CDROMExit();
406	<	DiskExit();
407	<	SonyExit();
373	>	// Deinitialize everything
374	>	ExitAll();
375
376		// Delete RAM/ROM area
377		if (RAMBaseHost)
#	Line 435 | Line 402 | void __saveds QuitEmulator(void)
402		PrefsExit();
403
404		// Close libraries
405	+	if (CyberGfxBase)
406	+	CloseLibrary(CyberGfxBase);
407		if (P96Base)
408		CloseLibrary(P96Base);
409		if (AslBase)
410		CloseLibrary(AslBase);
411	+	if (IFFParseBase)
412	+	CloseLibrary(IFFParseBase);
413		if (GadToolsBase)
414		CloseLibrary(GadToolsBase);
415	+	if (IntuitionBase)
416	+	CloseLibrary((struct Library *)IntuitionBase);
417	+	if (GfxBase)
418	+	CloseLibrary(GfxBase);
419
420		exit(0);
421		}
#	Line 520 | Line 495 | static __saveds void tick_func(void)
495		if (++tick_counter > 60) {
496		tick_counter = 0;
497		WriteMacInt32(0x20c, TimerDateTime());
498	+	SetInterruptFlag(INTFLAG_1HZ);
499	+	TriggerInterrupt();
500		}
501
502		// Trigger 60Hz interrupt
#	Line 560 | Line 537 | void ErrorAlert(const char *text)
537		req.es_Title = (UBYTE *)GetString(STR_ERROR_ALERT_TITLE);
538		req.es_TextFormat = (UBYTE *)GetString(STR_GUI_ERROR_PREFIX);
539		req.es_GadgetFormat = (UBYTE *)GetString(STR_QUIT_BUTTON);
540	<	EasyRequest(NULL, &req, NULL, text);
540	>	EasyRequest(NULL, &req, NULL, (ULONG)text);
541		}
542
543
#	Line 580 | Line 557 | void WarningAlert(const char *text)
557		req.es_Title = (UBYTE *)GetString(STR_WARNING_ALERT_TITLE);
558		req.es_TextFormat = (UBYTE *)GetString(STR_GUI_WARNING_PREFIX);
559		req.es_GadgetFormat = (UBYTE *)GetString(STR_OK_BUTTON);
560	<	EasyRequest(NULL, &req, NULL, text);
560	>	EasyRequest(NULL, &req, NULL, (ULONG)text);
561		}
562
563
#	Line 598 | Line 575 | bool ChoiceAlert(const char *text, const
575		req.es_Title = (UBYTE *)GetString(STR_WARNING_ALERT_TITLE);
576		req.es_TextFormat = (UBYTE *)GetString(STR_GUI_WARNING_PREFIX);
577		req.es_GadgetFormat = (UBYTE *)str;
578	<	return EasyRequest(NULL, &req, NULL, text);
578	>	return EasyRequest(NULL, &req, NULL, (ULONG)text);
579		}
580
581

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