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root/cebix/BasiliskII/src/emul_op.cpp

Comparing BasiliskII/src/emul_op.cpp (file contents):
Revision 1.22 by gbeauche, 2001-01-30T07:27:23Z vs.
Revision 1.28 by cebix, 2002-01-15T14:58:32Z

#	Line 1 | Line 1
1		/*
2		*  emul_op.cpp - 68k opcodes for ROM patches
3		*
4	<	*  Basilisk II (C) 1997-2000 Christian Bauer
4	>	*  Basilisk II (C) 1997-2002 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 60 | Line 60 | void EmulOp(uint16 opcode, M68kRegisters
60		switch (opcode) {
61		case M68K_EMUL_BREAK: {                         // Breakpoint
62		printf("*** Breakpoint\n");
63	<	printf("d0 %08lx d1 %08lx d2 %08lx d3 %08lx\n"
64	<	"d4 %08lx d5 %08lx d6 %08lx d7 %08lx\n"
65	<	"a0 %08lx a1 %08lx a2 %08lx a3 %08lx\n"
66	<	"a4 %08lx a5 %08lx a6 %08lx a7 %08lx\n"
63	>	printf("d0 %08x d1 %08x d2 %08x d3 %08x\n"
64	>	"d4 %08x d5 %08x d6 %08x d7 %08x\n"
65	>	"a0 %08x a1 %08x a2 %08x a3 %08x\n"
66	>	"a4 %08x a5 %08x a6 %08x a7 %08x\n"
67		"sr %04x\n",
68		r->d[0], r->d[1], r->d[2], r->d[3], r->d[4], r->d[5], r->d[6], r->d[7],
69		r->a[0], r->a[1], r->a[2], r->a[3], r->a[4], r->a[5], r->a[6], r->a[7],
70		r->sr);
71	+	VideoQuitFullScreen();
72		#ifdef ENABLE_MON
73		char *arg[4] = {"mon", "-m", "-r", NULL};
74		mon(3, arg);
#	Line 248 | Line 249 | void EmulOp(uint16 opcode, M68kRegisters
249		WriteMacInt8(asc_regs + 0x800, 0x0f);   // Set ASC version number
250		WriteMacInt32(0xcc0, asc_regs);                 // Set ASCBase
251		}
251	–
252	–	#if (REAL_ADDRESSING || DIRECT_ADDRESSING) && defined(USE_SCRATCHMEM_SUBTERFUGE)
253	–	extern uint8 *ScratchMem;
254	–
255	–	// Set VIA base address to scratch memory area
256	–	D(bug("Patch VIA base address [0x%x] to ScratchMem\n", ReadMacInt32(0x1d4)));
257	–	WriteMacInt32(0x1d4, Host2MacAddr(ScratchMem));
258	–
259	–	// Set SCCRd base address to scratch memory area
260	–	D(bug("Patch SCCRd base address [0x%x] to ScratchMem\n", ReadMacInt32(0x1d8)));
261	–	WriteMacInt32(0x1d8, Host2MacAddr(ScratchMem));
262	–
263	–	// Set SCCWr base address to scratch memory area
264	–	D(bug("Patch SCCWr base address [0x%x] to ScratchMem\n", ReadMacInt32(0x1dc)));
265	–	WriteMacInt32(0x1dc, Host2MacAddr(ScratchMem));
266	–	#endif
252		break;
253		}
254
#	Line 455 | Line 440 | void EmulOp(uint16 opcode, M68kRegisters
440		if (HasMacStarted()) {
441
442		// Mac has started, execute all 60Hz interrupt functions
458	–	ADBInterrupt();
443		TimerInterrupt();
444		VideoInterrupt();
445
#	Line 472 | Line 456 | void EmulOp(uint16 opcode, M68kRegisters
456
457		if (InterruptFlags & INTFLAG_1HZ) {
458		ClearInterruptFlag(INTFLAG_1HZ);
475	–
459		if (HasMacStarted()) {
460		SonyInterrupt();
461		DiskInterrupt();
#	Line 495 | Line 478 | void EmulOp(uint16 opcode, M68kRegisters
478		AudioInterrupt();
479		}
480
481	+	if (InterruptFlags & INTFLAG_ADB) {
482	+	ClearInterruptFlag(INTFLAG_ADB);
483	+	if (HasMacStarted())
484	+	ADBInterrupt();
485	+	}
486	+
487		if (InterruptFlags & INTFLAG_NMI) {
488		ClearInterruptFlag(INTFLAG_NMI);
489	<	if (HasMacStarted()) {
489	>	if (HasMacStarted())
490		TriggerNMI();
502	–	}
491		}
492		break;
493
#	Line 550 | Line 538 | void EmulOp(uint16 opcode, M68kRegisters
538
539		default:
540		printf("FATAL: EMUL_OP called with bogus opcode %08x\n", opcode);
541	<	printf("d0 %08lx d1 %08lx d2 %08lx d3 %08lx\n"
542	<	"d4 %08lx d5 %08lx d6 %08lx d7 %08lx\n"
543	<	"a0 %08lx a1 %08lx a2 %08lx a3 %08lx\n"
544	<	"a4 %08lx a5 %08lx a6 %08lx a7 %08lx\n"
541	>	printf("d0 %08x d1 %08x d2 %08x d3 %08x\n"
542	>	"d4 %08x d5 %08x d6 %08x d7 %08x\n"
543	>	"a0 %08x a1 %08x a2 %08x a3 %08x\n"
544	>	"a4 %08x a5 %08x a6 %08x a7 %08x\n"
545		"sr %04x\n",
546		r->d[0], r->d[1], r->d[2], r->d[3], r->d[4], r->d[5], r->d[6], r->d[7],
547		r->a[0], r->a[1], r->a[2], r->a[3], r->a[4], r->a[5], r->a[6], r->a[7],

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