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root/cebix/BasiliskII/src/Unix/main_unix.cpp

Comparing BasiliskII/src/Unix/main_unix.cpp (file contents):
Revision 1.14 by cebix, 2000-07-14T21:29:13Z vs.
Revision 1.30 by cebix, 2001-02-02T20:52:57Z

#	Line 1 | Line 1
1		/*
2		*  main_unix.cpp - Startup code for Unix
3		*
4	<	*  Basilisk II (C) 1997-2000 Christian Bauer
4	>	*  Basilisk II (C) 1997-2001 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 30 | Line 30
30		# include <pthread.h>
31		#endif
32
33	<	#if defined(USE_MAPPED_MEMORY) || REAL_ADDRESSING
33	>	#if REAL_ADDRESSING || DIRECT_ADDRESSING
34		# include <sys/mman.h>
35		#endif
36
#	Line 50 | Line 50 | struct sigstate {
50
51		#ifdef ENABLE_GTK
52		# include <gtk/gtk.h>
53	+	# include <gdk/gdk.h>
54		#endif
55
56		#ifdef ENABLE_XF86_DGA
#	Line 108 | Line 109 | char *x_display_name = NULL;                                           // X11
109		Display *x_display = NULL;                                                      // X11 display handle
110
111		static int zero_fd = -1;                                                        // FD of /dev/zero
111	–	static bool lm_area_mapped = false;                                     // Flag: Low Memory area mmap()ped
112		static uint8 last_xpram[256];                                           // Buffer for monitoring XPRAM changes
113
114		#ifdef HAVE_PTHREADS
#	Line 134 | Line 134 | static struct sigaction sigirq_sa;     // Vi
134		static struct sigaction sigill_sa;      // Illegal instruction
135		static void *sig_stack = NULL;          // Stack for signal handlers
136		uint16 EmulatedSR;                                      // Emulated bits of SR (supervisor bit and interrupt mask)
137	<	uint32 ScratchMem = NULL;                       // Scratch memory for Mac ROM writes
137	>	#endif
138	>
139	>	#if USE_SCRATCHMEM_SUBTERFUGE
140	>	uint8 *ScratchMem = NULL;                       // Scratch memory for Mac ROM writes
141		#endif
142
143		static struct sigaction timer_sa;       // sigaction used for timer
#	Line 149 | Line 152 | static struct sigaction sigint_sa;     // si
152		static void sigint_handler(...);
153		#endif
154
155	<	#ifdef USE_MAPPED_MEMORY
156	<	extern char *address_space, *good_address_map;
155	>	#if REAL_ADDRESSING
156	>	static bool lm_area_mapped = false;     // Flag: Low Memory area mmap()ped
157	>	static bool memory_mapped_from_zero = false; // Flag: Could allocate RAM area from 0
158	>	#endif
159	>
160	>	#if REAL_ADDRESSING || DIRECT_ADDRESSING
161	>	static uint32 mapped_ram_rom_size;              // Total size of mmap()ed RAM/ROM area
162		#endif
163
164
#	Line 201 | Line 209 | int main(int argc, char **argv)
209		printf(GetString(STR_ABOUT_TEXT1), VERSION_MAJOR, VERSION_MINOR);
210		printf(" %s\n", GetString(STR_ABOUT_TEXT2));
211
212	<	// Parse arguments
212	>	#ifdef ENABLE_GTK
213	>	// Init GTK
214	>	gtk_set_locale();
215	>	gtk_init(&argc, &argv);
216	>	x_display_name = gdk_get_display(); // gtk_init() handles and removes the "--display" argument
217	>	#endif
218	>
219	>	// Parse and remove arguments
220		for (int i=1; i<argc; i++) {
221	<	if (strcmp(argv[i], "-display") == 0 && ++i < argc)
222	<	x_display_name = argv[i];
223	<	else if (strcmp(argv[i], "-break") == 0 && ++i < argc)
224	<	ROMBreakpoint = strtol(argv[i], NULL, 0);
225	<	else if (strcmp(argv[i], "-rominfo") == 0)
221	>	if (strcmp(argv[i], "--display") == 0) {
222	>	argv[i] = NULL;
223	>	if ((i + 1) < argc && argv[i + 1]) {
224	>	argv[i++] = NULL;
225	>	x_display_name = strdup(argv[i]);
226	>	}
227	>	} else if (strcmp(argv[i], "--break") == 0) {
228	>	argv[i] = NULL;
229	>	if ((i + 1) < argc && argv[i + 1]) {
230	>	argv[i++] = NULL;
231	>	ROMBreakpoint = strtol(argv[i], NULL, 0);
232	>	}
233	>	} else if (strcmp(argv[i], "--rominfo") == 0) {
234	>	argv[i] = NULL;
235		PrintROMInfo = true;
236	+	}
237	+	}
238	+	for (int i=1; i<argc; i++) {
239	+	int k;
240	+	for (k=i; k<argc; k++)
241	+	if (argv[k] != NULL)
242	+	break;
243	+	if (k > i) {
244	+	k -= i;
245	+	for (int j=i+k; j<argc; j++)
246	+	argv[j-k] = argv[j];
247	+	argc -= k;
248	+	}
249		}
250
251		// Open display
#	Line 225 | Line 262 | int main(int argc, char **argv)
262		XF86DGAForkApp(DefaultScreen(x_display));
263		#endif
264
228	–	#ifdef ENABLE_GTK
229	–	// Init GTK
230	–	gtk_set_locale();
231	–	gtk_init(&argc, &argv);
232	–	#endif
233	–
265		// Read preferences
266	<	PrefsInit();
266	>	PrefsInit(argc, argv);
267
268		// Init system routines
269		SysInit();
#	Line 257 | Line 288 | int main(int argc, char **argv)
288		RAMSize = 1024*1024;
289		}
290
291	+	#if REAL_ADDRESSING || DIRECT_ADDRESSING
292	+	const uint32 page_size = getpagesize();
293	+	const uint32 page_mask = page_size - 1;
294	+	const uint32 aligned_ram_size = (RAMSize + page_mask) & ~page_mask;
295	+	mapped_ram_rom_size = aligned_ram_size + 0x100000;
296	+	#endif
297	+
298		#if REAL_ADDRESSING
299	+	// Try to allocate the complete address space from zero
300	+	// gb-- the Solaris manpage about mmap(2) states that using MAP_FIXED
301	+	// implies undefined behaviour for further use of sbrk(), malloc(), etc.
302	+	// cebix-- on NetBSD/m68k, this causes a segfault
303	+	#if defined(OS_solaris) || defined(OS_netbsd)
304	+	// Anyway, it doesn't work...
305	+	if (0) {
306	+	#else
307	+	if (mmap((caddr_t)0x0000, mapped_ram_rom_size, PROT_READ | PROT_WRITE, MAP_FIXED | MAP_PRIVATE, zero_fd, 0) != MAP_FAILED) {
308	+	#endif
309	+	D(bug("Could allocate RAM and ROM from 0x0000\n"));
310	+	memory_mapped_from_zero = true;
311	+	}
312		// Create Low Memory area (0x0000..0x2000)
313	<	if (mmap((char *)0x0000, 0x2000, PROT_READ | PROT_WRITE, MAP_FIXED | MAP_PRIVATE, zero_fd, 0) == (void *)-1) {
313	>	else if (mmap((char *)0x0000, 0x2000, PROT_READ | PROT_WRITE, MAP_FIXED | MAP_PRIVATE, zero_fd, 0) != MAP_FAILED) {
314	>	D(bug("Could allocate the Low Memory globals\n"));
315	>	lm_area_mapped = true;
316	>	}
317	>	// Exit on error
318	>	else {
319		sprintf(str, GetString(STR_LOW_MEM_MMAP_ERR), strerror(errno));
320		ErrorAlert(str);
321		QuitEmulator();
322		}
267	–	lm_area_mapped = true;
323		#endif
324
325	<	#if !EMULATED_68K
325	>	#if USE_SCRATCHMEM_SUBTERFUGE
326		// Allocate scratch memory
327	<	ScratchMem = (uint32)malloc(SCRATCH_MEM_SIZE);
327	>	ScratchMem = (uint8 *)malloc(SCRATCH_MEM_SIZE);
328		if (ScratchMem == NULL) {
329		ErrorAlert(GetString(STR_NO_MEM_ERR));
330		QuitEmulator();
#	Line 278 | Line 333 | int main(int argc, char **argv)
333		#endif
334
335		// Create areas for Mac RAM and ROM
336	<	#if defined(USE_MAPPED_MEMORY)
337	<	good_address_map = (char *)mmap(NULL, 1<<24, PROT_READ, MAP_PRIVATE, zero_fd, 0);
338	<	address_space = (char *)mmap(NULL, 1<<24, PROT_READ | PROT_WRITE, MAP_PRIVATE, zero_fd, 0);
339	<	if ((int)address_space < 0 || (int)good_address_map < 0) {
340	<	ErrorAlert(GetString(STR_NOT_ENOUGH_MEMORY_ERR));
341	<	QuitEmulator();
342	<	}
343	<	RAMBaseHost = (uint8 *)mmap(address_space, RAMSize, PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_FIXED, zero_fd, 0);
344	<	ROMBaseHost = (uint8 *)mmap(address_space + 0x00400000, 0x80000, PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_FIXED, zero_fd, 0);
345	<	char *nam = tmpnam(NULL);
346	<	int good_address_fd = open(nam, O_CREAT | O_RDWR, 0600);
347	<	char buffer[4096];
348	<	memset(buffer, 1, sizeof(buffer));
349	<	write(good_address_fd, buffer, sizeof(buffer));
350	<	unlink(nam);
351	<	for (int i=0; i<RAMSize; i+=4096)
352	<	mmap(good_address_map + i, 4096, PROT_READ, MAP_FIXED | MAP_PRIVATE, good_address_fd, 0);
353	<	for (int i=0; i<0x80000; i+=4096)
299	<	mmap(good_address_map + i + 0x00400000, 4096, PROT_READ, MAP_FIXED | MAP_PRIVATE, good_address_fd, 0);
336	>	#if REAL_ADDRESSING || DIRECT_ADDRESSING
337	>	// gb-- Overkill, needs to be cleaned up. Probably explode it for either
338	>	// real or direct addressing mode.
339	>	#if REAL_ADDRESSING
340	>	if (memory_mapped_from_zero) {
341	>	RAMBaseHost = (uint8 *)0;
342	>	ROMBaseHost = RAMBaseHost + aligned_ram_size;
343	>	}
344	>	else
345	>	#endif
346	>	{
347	>	RAMBaseHost = (uint8 *)mmap(0, mapped_ram_rom_size, PROT_READ | PROT_WRITE, MAP_PRIVATE, zero_fd, 0);
348	>	if (RAMBaseHost == (uint8 *)MAP_FAILED) {
349	>	ErrorAlert(GetString(STR_NO_MEM_ERR));
350	>	QuitEmulator();
351	>	}
352	>	ROMBaseHost = RAMBaseHost + aligned_ram_size;
353	>	}
354		#else
355	<	RAMBaseHost = new uint8[RAMSize];
356	<	ROMBaseHost = new uint8[0x100000];
355	>	RAMBaseHost = (uint8 *)malloc(RAMSize);
356	>	ROMBaseHost = (uint8 *)malloc(0x100000);
357	>	if (RAMBaseHost == NULL || ROMBaseHost == NULL) {
358	>	ErrorAlert(GetString(STR_NO_MEM_ERR));
359	>	QuitEmulator();
360	>	}
361		#endif
362	<	#if REAL_ADDRESSING && !EMULATED_68K
362	>
363	>	#if DIRECT_ADDRESSING
364	>	// Initialize MEMBaseDiff now so that Host2MacAddr in the Video module
365	>	// will return correct results
366	>	RAMBaseMac = 0;
367	>	ROMBaseMac = RAMBaseMac + aligned_ram_size;
368	>	InitMEMBaseDiff(RAMBaseHost, RAMBaseMac);
369	>	#endif
370	>	#if REAL_ADDRESSING // && !EMULATED_68K
371		RAMBaseMac = (uint32)RAMBaseHost;
372		ROMBaseMac = (uint32)ROMBaseHost;
373		#endif
374		D(bug("Mac RAM starts at %p (%08x)\n", RAMBaseHost, RAMBaseMac));
375		D(bug("Mac ROM starts at %p (%08x)\n", ROMBaseHost, ROMBaseMac));
376	<
376	>
377		// Get rom file path from preferences
378		const char *rom_path = PrefsFindString("rom");
379
#	Line 356 | Line 422 | int main(int argc, char **argv)
422		printf("WARNING: Cannot detect CPU type, assuming 68020\n");
423		CPUType = 2;
424		}
425	<	FPUType = 0;    //!!
425	>	FPUType = 1;    // NetBSD has an FPU emulation, so the FPU ought to be available at all times
426		TwentyFourBitAddressing = false;
427		#endif
428
#	Line 419 | Line 485 | int main(int argc, char **argv)
485		#ifdef ENABLE_MON
486		// Setup SIGINT handler to enter mon
487		sigemptyset(&sigint_sa.sa_mask);
488	<	sigint_sa.sa_handler = sigint_handler;
488	>	sigint_sa.sa_handler = (void (*)(int))sigint_handler;
489		sigint_sa.sa_flags = 0;
490		sigaction(SIGINT, &sigint_sa, NULL);
491		#endif
#	Line 428 | Line 494 | int main(int argc, char **argv)
494
495		// POSIX.4 timers and real-time signals available, start 60Hz timer
496		sigemptyset(&timer_sa.sa_mask);
497	<	timer_sa.sa_sigaction = one_tick;
497	>	timer_sa.sa_sigaction = (void (*)(int, siginfo_t *, void *))one_tick;
498		timer_sa.sa_flags = SA_SIGINFO | SA_RESTART;
499		if (sigaction(SIG_TIMER, &timer_sa, NULL) < 0) {
500		sprintf(str, GetString(STR_SIG_INSTALL_ERR), "SIG_TIMER", strerror(errno));
#	Line 557 | Line 623 | void QuitEmulator(void)
623		// Deinitialize everything
624		ExitAll();
625
626	<	// Delete ROM area
627	<	delete[] ROMBaseHost;
628	<
629	<	// Delete RAM area
630	<	delete[] RAMBaseHost;
626	>	// Free ROM/RAM areas
627	>	#if REAL_ADDRESSING
628	>	if (memory_mapped_from_zero)
629	>	munmap((caddr_t)0x0000, mapped_ram_rom_size);
630	>	else
631	>	#endif
632	>	#if REAL_ADDRESSING || DIRECT_ADDRESSING
633	>	if (RAMBaseHost != (uint8 *)MAP_FAILED) {
634	>	munmap((caddr_t)RAMBaseHost, mapped_ram_rom_size);
635	>	RAMBaseHost = NULL;
636	>	}
637	>	#else
638	>	if (ROMBaseHost) {
639	>	free(ROMBaseHost);
640	>	ROMBaseHost = NULL;
641	>	}
642	>	if (RAMBaseHost) {
643	>	free(RAMBaseHost);
644	>	RAMBaseHost = NULL;
645	>	}
646	>	#endif
647
648	<	#if !EMULATED_68K
648	>	#if USE_SCRATCHMEM_SUBTERFUGE
649		// Delete scratch memory area
650	<	if (ScratchMem)
650	>	if (ScratchMem) {
651		free((void *)(ScratchMem - SCRATCH_MEM_SIZE/2));
652	+	ScratchMem = NULL;
653	+	}
654		#endif
655
656		#if REAL_ADDRESSING
#	Line 618 | Line 702 | static void sigint_handler(...)
702		extern void m68k_dumpstate(uaecptr *nextpc);
703		m68k_dumpstate(&nextpc);
704		#else
705	<	char *arg[2] = {"rmon", NULL};
706	<	mon(1, arg);
705	>	char *arg[4] = {"mon", "-m", "-r", NULL};
706	>	mon(3, arg);
707		QuitEmulator();
708		#endif
709		}
#	Line 665 | Line 749 | void TriggerInterrupt(void)
749		raise(SIG_IRQ);
750		#endif
751		}
752	+
753	+	void TriggerNMI(void)
754	+	{
755	+	// not yet supported
756	+	}
757		#endif
758
759
#	Line 684 | Line 773 | static void xpram_watchdog(void)
773		static void *xpram_func(void *arg)
774		{
775		while (!xpram_thread_cancel) {
776	<	for (int i=0; i<60 && !xpram_thread_cancel; i++) {
777	<	#ifdef HAVE_NANOSLEEP
689	<	struct timespec req = {1, 0};
690	<	nanosleep(&req, NULL);
691	<	#else
692	<	usleep(1000000);
693	<	#endif
694	<	}
776	>	for (int i=0; i<60 && !xpram_thread_cancel; i++)
777	>	Delay_usec(999999);             // Only wait 1 second so we quit promptly when xpram_thread_cancel becomes true
778		xpram_watchdog();
779		}
780		return NULL;
#	Line 708 | Line 791 | static void one_second(void)
791		// Pseudo Mac 1Hz interrupt, update local time
792		WriteMacInt32(0x20c, TimerDateTime());
793
794	<	SetInterruptFlag(INTFLAG_60HZ);
794	>	SetInterruptFlag(INTFLAG_1HZ);
795		TriggerInterrupt();
796
797		#ifndef HAVE_PTHREADS
#	Line 743 | Line 826 | static void one_tick(...)
826		#ifdef HAVE_PTHREADS
827		static void *tick_func(void *arg)
828		{
829	+	uint64 next = GetTicks_usec();
830		while (!tick_thread_cancel) {
747	–
748	–	// Wait
749	–	#ifdef HAVE_NANOSLEEP
750	–	struct timespec req = {0, 16625000};
751	–	nanosleep(&req, NULL);
752	–	#else
753	–	usleep(16625);
754	–	#endif
755	–
756	–	// Action
831		one_tick();
832	+	next += 16625;
833	+	int64 delay = next - GetTicks_usec();
834	+	if (delay > 0)
835	+	Delay_usec(delay);
836	+	else if (delay < -16625)
837	+	next = GetTicks_usec();
838		}
839		return NULL;
840		}
841		#endif
842
843
844	+	/*
845	+	*  Get current value of microsecond timer
846	+	*/
847	+
848	+	uint64 GetTicks_usec(void)
849	+	{
850	+	#ifdef HAVE_CLOCK_GETTIME
851	+	struct timespec t;
852	+	clock_gettime(CLOCK_REALTIME, &t);
853	+	return (uint64)t.tv_sec * 1000000 + t.tv_nsec / 1000;
854	+	#else
855	+	struct timeval t;
856	+	gettimeofday(&t, NULL);
857	+	return (uint64)t.tv_sec * 1000000 + t.tv_usec;
858	+	#endif
859	+	}
860	+
861	+
862	+	/*
863	+	*  Delay by specified number of microseconds (<1 second)
864	+	*  (adapted from SDL_Delay() source; this function is designed to provide
865	+	*  the highest accuracy possible)
866	+	*/
867	+
868	+	#if defined(linux)
869	+	// Linux select() changes its timeout parameter upon return to contain
870	+	// the remaining time. Most other unixen leave it unchanged or undefined.
871	+	#define SELECT_SETS_REMAINING
872	+	#elif defined(__FreeBSD__) || defined(__sun__) || defined(sgi)
873	+	#define USE_NANOSLEEP
874	+	#endif
875	+
876	+	void Delay_usec(uint32 usec)
877	+	{
878	+	int was_error;
879	+
880	+	#ifdef USE_NANOSLEEP
881	+	struct timespec elapsed, tv;
882	+	#else
883	+	struct timeval tv;
884	+	#ifndef SELECT_SETS_REMAINING
885	+	uint64 then, now, elapsed;
886	+	#endif
887	+	#endif
888	+
889	+	// Set the timeout interval - Linux only needs to do this once
890	+	#ifdef SELECT_SETS_REMAINING
891	+	tv.tv_sec = 0;
892	+	tv.tv_usec = usec;
893	+	#elif defined(USE_NANOSLEEP)
894	+	elapsed.tv_sec = 0;
895	+	elapsed.tv_nsec = usec * 1000;
896	+	#else
897	+	then = GetTicks_usec();
898	+	#endif
899	+
900	+	do {
901	+	errno = 0;
902	+	#ifdef USE_NANOSLEEP
903	+	tv.tv_sec = elapsed.tv_sec;
904	+	tv.tv_nsec = elapsed.tv_nsec;
905	+	was_error = nanosleep(&tv, &elapsed);
906	+	#else
907	+	#ifndef SELECT_SETS_REMAINING
908	+	// Calculate the time interval left (in case of interrupt)
909	+	now = GetTicks_usec();
910	+	elapsed = now - then;
911	+	then = now;
912	+	if (elapsed >= usec)
913	+	break;
914	+	usec -= elapsed;
915	+	tv.tv_sec = 0;
916	+	tv.tv_usec = usec;
917	+	#endif
918	+	was_error = select(0, NULL, NULL, NULL, &tv);
919	+	#endif
920	+	} while (was_error && (errno == EINTR));
921	+	}
922	+
923	+
924		#if !EMULATED_68K
925		/*
926		*  Virtual 68k interrupt handler
#	Line 811 | Line 971 | static void sigill_handler(int sig, int
971
972		#define STORE_SR(v) \
973		scp->sc_ps = (v) & 0xff; \
974	<	EmulatedSR = (v) & 0x2700; \
974	>	EmulatedSR = (v) & 0xe700; \
975		if (((v) & 0x0700) == 0 && InterruptFlags) \
976		TriggerInterrupt();
977
#	Line 874 | Line 1034 | static void sigill_handler(int sig, int
1034		case 0x007c: {  // ori #xxxx,sr
1035		uint16 sr = GET_SR | pc[1];
1036		scp->sc_ps = sr & 0xff;         // oring bits into the sr can't enable interrupts, so we don't need to call STORE_SR
1037	<	EmulatedSR = sr & 0x2700;
1037	>	EmulatedSR = sr & 0xe700;
1038		INC_PC(4);
1039		break;
1040		}
#	Line 951 | Line 1111 | static void sigill_handler(int sig, int
1111		}
1112
1113		case 0xf327:    // fsave -(sp)
1114	<	goto ill;       //!!
1114	>	if (CPUIs68060) {
1115	>	regs->a[7] -= 4;
1116	>	WriteMacInt32(regs->a[7], 0x60000000);  // Idle frame
1117	>	regs->a[7] -= 4;
1118	>	WriteMacInt32(regs->a[7], 0);
1119	>	regs->a[7] -= 4;
1120	>	WriteMacInt32(regs->a[7], 0);
1121	>	} else {
1122	>	regs->a[7] -= 4;
1123	>	WriteMacInt32(regs->a[7], 0x41000000);  // Idle frame
1124	>	}
1125	>	scp->sc_sp = regs->a[7];
1126	>	INC_PC(2);
1127	>	break;
1128
1129		case 0xf35f:    // frestore (sp)+
1130	<	goto ill;       //!!
1130	>	if (CPUIs68060)
1131	>	regs->a[7] += 12;
1132	>	else
1133	>	regs->a[7] += 4;
1134	>	scp->sc_sp = regs->a[7];
1135	>	INC_PC(2);
1136	>	break;
1137
1138	<	case 0x4e73: {  // rte (only handles format 0)
1138	>	case 0x4e73: {  // rte
1139		uint32 a7 = regs->a[7];
1140		uint16 sr = ReadMacInt16(a7);
1141		a7 += 2;
1142		scp->sc_ps = sr & 0xff;
1143	<	EmulatedSR = sr & 0x2700;
1143	>	EmulatedSR = sr & 0xe700;
1144		scp->sc_pc = ReadMacInt32(a7);
1145	<	a7 += 6;
1146	<	scp->sc_sp = regs->a[7] = a7;
1145	>	a7 += 4;
1146	>	uint16 format = ReadMacInt16(a7) >> 12;
1147	>	a7 += 2;
1148	>	static const int frame_adj[16] = {
1149	>	0, 0, 4, 4, 8, 0, 0, 52, 50, 12, 24, 84, 16, 0, 0, 0
1150	>	};
1151	>	scp->sc_sp = regs->a[7] = a7 + frame_adj[format];
1152		break;
1153		}
1154
1155		case 0x4e7a:    // movec cr,x
1156		switch (pc[1]) {
973	–	case 0x8801:    // movec vbr,a0
974	–	regs->a[0] = 0;
975	–	break;
976	–	case 0x9801:    // movec vbr,a1
977	–	regs->a[1] = 0;
978	–	break;
1157		case 0x0002:    // movec cacr,d0
1158		regs->d[0] = 0x3111;
1159		break;
#	Line 983 | Line 1161 | static void sigill_handler(int sig, int
1161		regs->d[1] = 0x3111;
1162		break;
1163		case 0x0003:    // movec tc,d0
1164	+	case 0x0004:    // movec itt0,d0
1165	+	case 0x0005:    // movec itt1,d0
1166	+	case 0x0006:    // movec dtt0,d0
1167	+	case 0x0007:    // movec dtt1,d0
1168	+	case 0x0806:    // movec urp,d0
1169	+	case 0x0807:    // movec srp,d0
1170		regs->d[0] = 0;
1171		break;
1172	+	case 0x1000:    // movec sfc,d1
1173	+	case 0x1001:    // movec dfc,d1
1174		case 0x1003:    // movec tc,d1
1175	+	case 0x1801:    // movec vbr,d1
1176		regs->d[1] = 0;
1177		break;
1178	+	case 0x8801:    // movec vbr,a0
1179	+	regs->a[0] = 0;
1180	+	break;
1181	+	case 0x9801:    // movec vbr,a1
1182	+	regs->a[1] = 0;
1183	+	break;
1184		default:
1185		goto ill;
1186		}
#	Line 996 | Line 1189 | static void sigill_handler(int sig, int
1189
1190		case 0x4e7b:    // movec x,cr
1191		switch (pc[1]) {
1192	+	case 0x1000:    // movec d1,sfc
1193	+	case 0x1001:    // movec d1,dfc
1194		case 0x0801:    // movec d0,vbr
1195	+	case 0x1801:    // movec d1,vbr
1196		break;
1197		case 0x0002:    // movec d0,cacr
1198		case 0x1002:    // movec d1,cacr
#	Line 1031 | Line 1227 | ill:           printf("SIGILL num %d, code %d\n",
1227		printf("  a%d %08x\n", i, state->ss_frame.f_regs[i+8]);
1228
1229		#ifdef ENABLE_MON
1230	<	char *arg[2] = {"rmon", NULL};
1231	<	mon(1, arg);
1230	>	char *arg[4] = {"mon", "-m", "-r", NULL};
1231	>	mon(3, arg);
1232		#endif
1233		QuitEmulator();
1234		break;

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