/*
 *  rsrc_patches.cpp - Resource patches
 *
 *  Basilisk II (C) 1997-2001 Christian Bauer
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

#include <string.h>

#include "sysdeps.h"
#include "cpu_emulation.h"
#include "macos_util.h"
#include "main.h"
#include "emul_op.h"
#include "audio.h"
#include "audio_defs.h"
#include "rsrc_patches.h"

#if ENABLE_MON
#include "mon.h"
#endif

#define DEBUG 0
#include "debug.h"


#if !EMULATED_68K
// Assembly functions
extern "C" void Scod060Patch1(void);
extern "C" void Scod060Patch2(void);
extern "C" void ThInitFPUPatch(void);
#endif


/*
 *  Search resource for byte string, return offset (or 0)
 */

static uint32 find_rsrc_data(const uint8 *rsrc, uint32 max, const uint8 *search, uint32 search_len, uint32 ofs = 0)
{
	while (ofs < max - search_len) {
		if (!memcmp(rsrc + ofs, search, search_len))
			return ofs;
		ofs++;
	}
	return 0;
}


/*
 *  Resource patches via vCheckLoad
 */

void CheckLoad(uint32 type, int16 id, uint8 *p, uint32 size)
{
	uint16 *p16;
	uint32 base;
	D(bug("vCheckLoad %c%c%c%c (%08x) ID %d, data %08x, size %d\n", (char)(type >> 24), (char)((type >> 16) & 0xff), (char )((type >> 8) & 0xff), (char )(type & 0xff), type, id, p, size));
	
	if (type == FOURCC('b','o','o','t') && id == 3) {
		D(bug(" boot 3 found\n"));

		// Set boot stack pointer (7.5, 7.6, 7.6.1, 8.0)
		static const uint8 dat[] = {0x22, 0x00, 0xe4, 0x89, 0x90, 0x81, 0x22, 0x40};
		base = find_rsrc_data(p, size, dat, sizeof(dat));
		if (base) {
			p16 = (uint16 *)(p + base + 6);
			*p16 = htons(M68K_EMUL_OP_FIX_BOOTSTACK);
			FlushCodeCache(p + base + 6, 2);
			D(bug("  patch 1 applied\n"));
		}

#if !ROM_IS_WRITE_PROTECTED
		// Set fake handle at 0x0000 to some safe place (so broken Mac programs won't write into Mac ROM) (7.5, 8.0)
		static const uint8 dat2[] = {0x20, 0x78, 0x02, 0xae, 0xd1, 0xfc, 0x00, 0x01, 0x00, 0x00, 0x21, 0xc8, 0x00, 0x00};
		base = find_rsrc_data(p, size, dat2, sizeof(dat2));
		if (base) {
			p16 = (uint16 *)(p + base);

#if defined(AMIGA) || defined(__NetBSD__) || defined(USE_SCRATCHMEM_SUBTERFUGE)
			// Set 0x0000 to scratch memory area
			extern uint8 *ScratchMem;
			const uint32 ScratchMemBase = Host2MacAddr(ScratchMem);
			*p16++ = htons(0x207c);			// move.l	#ScratchMem,a0
			*p16++ = htons(ScratchMemBase >> 16);
			*p16++ = htons(ScratchMemBase);
			*p16++ = htons(M68K_NOP);
			*p16 = htons(M68K_NOP);
#else
#error System specific handling for writable ROM is required here
#endif
			FlushCodeCache(p + base, 14);
			D(bug("  patch 2 applied\n"));
		}

	} else if (type == FOURCC('b','o','o','t') && id == 2) {
		D(bug(" boot 2 found\n"));

		// Set fake handle at 0x0000 to some safe place (so broken Mac programs won't write into Mac ROM) (7.5, 8.0)
		static const uint8 dat[] = {0x20, 0x78, 0x02, 0xae, 0xd1, 0xfc, 0x00, 0x01, 0x00, 0x00, 0x21, 0xc8, 0x00, 0x00};
		base = find_rsrc_data(p, size, dat, sizeof(dat));
		if (base) {
			p16 = (uint16 *)(p + base);

#if defined(AMIGA) || defined(__NetBSD__) || defined(USE_SCRATCHMEM_SUBTERFUGE)
			// Set 0x0000 to scratch memory area
			extern uint8 *ScratchMem;
			const uint32 ScratchMemBase = Host2MacAddr(ScratchMem);
			*p16++ = htons(0x207c);			// move.l	#ScratchMem,a0
			*p16++ = htons(ScratchMemBase >> 16);
			*p16++ = htons(ScratchMemBase);
			*p16++ = htons(M68K_NOP);
			*p16 = htons(M68K_NOP);
#else
#error System specific handling for writable ROM is required here
#endif
			FlushCodeCache(p + base, 14);
			D(bug("  patch 1 applied\n"));
		}
#endif

	} else if (type == FOURCC('P','T','C','H') && id == 630) {
		D(bug("PTCH 630 found\n"));

		// Don't replace Time Manager (Classic ROM, 6.0.3)
		static const uint8 dat[] = {0x30, 0x3c, 0x00, 0x58, 0xa2, 0x47};
		base = find_rsrc_data(p, size, dat, sizeof(dat));
		if (base) {
			p16 = (uint16 *)(p + base);
			p16[2] = htons(M68K_NOP);
			p16[7] = htons(M68K_NOP);
			p16[12] = htons(M68K_NOP);
			FlushCodeCache(p + base, 26);
			D(bug("  patch 1 applied\n"));
		}

		// Don't replace Time Manager (Classic ROM, 6.0.8)
		static const uint8 dat2[] = {0x70, 0x58, 0xa2, 0x47};
		base = find_rsrc_data(p, size, dat2, sizeof(dat2));
		if (base) {
			p16 = (uint16 *)(p + base);
			p16[1] = htons(M68K_NOP);
			p16[5] = htons(M68K_NOP);
			p16[9] = htons(M68K_NOP);
			FlushCodeCache(p + base, 20);
			D(bug("  patch 1 applied\n"));
		}

	} else if (type == FOURCC('p','t','c','h') && id == 26) {
		D(bug(" ptch 26 found\n"));

		// Trap ABC4 is initialized with absolute ROM address (7.5, 7.6, 7.6.1, 8.0)
		static const uint8 dat[] = {0x40, 0x83, 0x36, 0x10};
		base = find_rsrc_data(p, size, dat, sizeof(dat));
		if (base) {
			p16 = (uint16 *)(p + base);
			*p16++ = htons((ROMBaseMac + 0x33610) >> 16);
			*p16 = htons((ROMBaseMac + 0x33610) & 0xffff);
			FlushCodeCache(p + base, 4);
			D(bug("  patch 1 applied\n"));
		}

	} else if (type == FOURCC('p','t','c','h') && id == 34) {
		D(bug(" ptch 34 found\n"));

		// Don't wait for VIA (Classic ROM, 6.0.8)
		static const uint8 dat[] = {0x22, 0x78, 0x01, 0xd4, 0x10, 0x11, 0x02, 0x00, 0x00, 0x30};
		base = find_rsrc_data(p, size, dat, sizeof(dat));
		if (base) {
			p16 = (uint16 *)(p + base + 14);
			*p16 = htons(M68K_NOP);
			FlushCodeCache(p + base + 14, 2);
			D(bug("  patch 1 applied\n"));
		}

		// Don't replace ADBOp() (Classic ROM, 6.0.8)
		static const uint8 dat2[] = {0x21, 0xc0, 0x05, 0xf0};
		base = find_rsrc_data(p, size, dat2, sizeof(dat2));
		if (base) {
			p16 = (uint16 *)(p + base);
			*p16++ = htons(M68K_NOP);
			*p16 = htons(M68K_NOP);
			FlushCodeCache(p + base, 4);
			D(bug("  patch 2 applied\n"));
		}

#if !EMULATED_68K
	} else if (CPUIs68060 && (type == FOURCC('g','p','c','h') && id == 669 || type == FOURCC('l','p','c','h') && id == 63)) {
		D(bug(" gpch 669/lpch 63 found\n"));

		static uint16 ThPatchSpace[1024];	// Replacement routines are constructed here
		uint16 *q = ThPatchSpace;
		uint32 start;
		int i;

		// Patch Thread Manager thread switcher for 68060 FPU (7.5, 8.0)
		static const uint8 dat[] = {0x22, 0x6f, 0x00, 0x08, 0x20, 0x2f, 0x00, 0x04, 0x67, 0x18};
		base = find_rsrc_data(p, size, dat, sizeof(dat));
		if (base) {	// Skip first routine (no FPU -> no FPU)

			base = find_rsrc_data(p, size - base - 2, dat, sizeof(dat), base + 2);
			if (base) {	// no FPU -> FPU

				p16 = (uint16 *)(p + base);
				start = (uint32)q;
				for (i=0; i<28; i++) *q++ = *p16++;
				*q++ = htons(0x4a2f);		// tst.b 2(sp)				(null FPU state or "FPU state saved" flag set?)
				*q++ = htons(2);
				*q++ = htons(0x6712);		// beq
				*q++ = htons(0x588f);		// addq.l #2,sp				(flag set, skip it)
				*q++ = htons(0xf21f);		// fmove.l (sp)+,fpcr		(restore FPU registers)
				*q++ = htons(0x9000);
				*q++ = htons(0xf21f);		// fmove.l (sp)+,fpsr
				*q++ = htons(0x8800);
				*q++ = htons(0xf21f);		// fmove.l (sp)+,fpiar
				*q++ = htons(0x8400);
				*q++ = htons(0xf21f);		// fmovem.x (sp)+,fp0-fp7
				*q++ = htons(0xd0ff);
				*q++ = htons(0xf35f);		// frestore (sp)+
				*q++ = htons(0x4e75);		// rts

				p16 = (uint16 *)(p + base);
				*p16++ = htons(M68K_JMP);
				*p16++ = htons(start >> 16);
				*p16 = htons(start & 0xffff);
				FlushCodeCache(p + base, 6);
				D(bug("  patch 1 applied\n"));

				static const uint8 dat2[] = {0x22, 0x6f, 0x00, 0x08, 0x20, 0x2f, 0x00, 0x04, 0x67, 0x28};
				base = find_rsrc_data(p, size, dat2, sizeof(dat2));
				if (base) {	// FPU -> FPU

					p16 = (uint16 *)(p + base);
					start = (uint32)q;
					for (i=0; i<4; i++) *q++ = *p16++;
					*q++ = htons(0x6736);		// beq
					*q++ = htons(0xf327);		// fsave -(sp)				(save FPU state frame)
					*q++ = htons(0x4a2f);		// tst.b 2(sp)				(null FPU state?)
					*q++ = htons(2);
					*q++ = htons(0x6716);		// beq
					*q++ = htons(0xf227);		// fmovem.x fp0-fp7,-(sp)	(no, save FPU registers)
					*q++ = htons(0xe0ff);
					*q++ = htons(0xf227);		// fmove.l fpiar,-(sp)
					*q++ = htons(0xa400);
					*q++ = htons(0xf227);		// fmove.l fpsr,-(sp)
					*q++ = htons(0xa800);
					*q++ = htons(0xf227);		// fmove.l fpcr,-(sp)
					*q++ = htons(0xb000);
					*q++ = htons(0x4879);		// pea -1					(push "FPU state saved" flag)
					*q++ = htons(0xffff);
					*q++ = htons(0xffff);
					p16 += 9;
					for (i=0; i<23; i++) *q++ = *p16++;
					*q++ = htons(0x4a2f);		// tst.b 2(sp)				(null FPU state or "FPU state saved" flag set?)
					*q++ = htons(2);
					*q++ = htons(0x6712);		// beq
					*q++ = htons(0x588f);		// addq.l #2,sp				(flag set, skip it)
					*q++ = htons(0xf21f);		// fmove.l (sp)+,fpcr		(restore FPU registers)
					*q++ = htons(0x9000);
					*q++ = htons(0xf21f);		// fmove.l (sp)+,fpsr
					*q++ = htons(0x8800);
					*q++ = htons(0xf21f);		// fmove.l (sp)+,fpiar
					*q++ = htons(0x8400);
					*q++ = htons(0xf21f);		// fmovem.x (sp)+,fp0-fp7
					*q++ = htons(0xd0ff);
					*q++ = htons(0xf35f);		// frestore (sp)+
					*q++ = htons(0x4e75);		// rts

					p16 = (uint16 *)(p + base);
					*p16++ = htons(M68K_JMP);
					*p16++ = htons(start >> 16);
					*p16 = htons(start & 0xffff);
					FlushCodeCache(p + base, 6);
					D(bug("  patch 2 applied\n"));

					base = find_rsrc_data(p, size - base - 2, dat2, sizeof(dat2), base + 2);
					if (base) {	// FPU -> no FPU
	
						p16 = (uint16 *)(p + base);
						start = (uint32)q;
						for (i=0; i<4; i++) *q++ = *p16++;
						*q++ = htons(0x6736);		// beq
						*q++ = htons(0xf327);		// fsave -(sp)				(save FPU state frame)
						*q++ = htons(0x4a2f);		// tst.b 2(sp)				(null FPU state?)
						*q++ = htons(2);
						*q++ = htons(0x6716);		// beq
						*q++ = htons(0xf227);		// fmovem.x fp0-fp7,-(sp)	(no, save FPU registers)
						*q++ = htons(0xe0ff);
						*q++ = htons(0xf227);		// fmove.l fpiar,-(sp)
						*q++ = htons(0xa400);
						*q++ = htons(0xf227);		// fmove.l fpsr,-(sp)
						*q++ = htons(0xa800);
						*q++ = htons(0xf227);		// fmove.l fpcr,-(sp)
						*q++ = htons(0xb000);
						*q++ = htons(0x4879);		// pea -1					(push "FPU state saved" flag)
						*q++ = htons(0xffff);
						*q++ = htons(0xffff);
						p16 += 9;
						for (i=0; i<24; i++) *q++ = *p16++;

						p16 = (uint16 *)(p + base);
						*p16++ = htons(M68K_JMP);
						*p16++ = htons(start >> 16);
						*p16 = htons(start & 0xffff);
						FlushCodeCache(p + base, 6);
						D(bug("  patch 3 applied\n"));
					}
				}
			}
		}

		// Patch Thread Manager thread switcher for 68060 FPU (additional routines under 8.0 for Mixed Mode Manager)
		static const uint8 dat3[] = {0x22, 0x6f, 0x00, 0x08, 0x20, 0x2f, 0x00, 0x04, 0x67, 0x40};
		base = find_rsrc_data(p, size, dat3, sizeof(dat3));
		if (base) {	// Skip first routine (no FPU -> no FPU)

			base = find_rsrc_data(p, size - base - 2, dat3, sizeof(dat3), base + 2);
			if (base) {	// no FPU -> FPU

				p16 = (uint16 *)(p + base);
				start = (uint32)q;
				for (i=0; i<48; i++) *q++ = *p16++;
				*q++ = htons(0x4a2f);		// tst.b 2(sp)				(null FPU state or "FPU state saved" flag set?)
				*q++ = htons(2);
				*q++ = htons(0x6712);		// beq
				*q++ = htons(0x588f);		// addq.l #2,sp				(flag set, skip it)
				*q++ = htons(0xf21f);		// fmove.l (sp)+,fpcr		(restore FPU registers)
				*q++ = htons(0x9000);
				*q++ = htons(0xf21f);		// fmove.l (sp)+,fpsr
				*q++ = htons(0x8800);
				*q++ = htons(0xf21f);		// fmove.l (sp)+,fpiar
				*q++ = htons(0x8400);
				*q++ = htons(0xf21f);		// fmovem.x (sp)+,fp0-fp7
				*q++ = htons(0xd0ff);
				p16 += 7;
				for (i=0; i<20; i++) *q++ = *p16++;

				p16 = (uint16 *)(p + base);
				*p16++ = htons(M68K_JMP);
				*p16++ = htons(start >> 16);
				*p16 = htons(start & 0xffff);
				FlushCodeCache(p + base, 6);
				D(bug("  patch 4 applied\n"));

				static const uint8 dat4[] = {0x22, 0x6f, 0x00, 0x08, 0x20, 0x2f, 0x00, 0x04, 0x67, 0x50};
				base = find_rsrc_data(p, size, dat4, sizeof(dat4));
				if (base) {	// FPU -> FPU

					p16 = (uint16 *)(p + base);
					start = (uint32)q;
					for (i=0; i<4; i++) *q++ = *p16++;
					*q++ = htons(0x675e);		// beq
					p16++;
					for (i=0; i<21; i++) *q++ = *p16++;
					*q++ = htons(0x4a2f);		// tst.b 2(sp)				(null FPU state?)
					*q++ = htons(2);
					*q++ = htons(0x6716);		// beq
					*q++ = htons(0xf227);		// fmovem.x fp0-fp7,-(sp)	(no, save FPU registers)
					*q++ = htons(0xe0ff);
					*q++ = htons(0xf227);		// fmove.l fpiar,-(sp)
					*q++ = htons(0xa400);
					*q++ = htons(0xf227);		// fmove.l fpsr,-(sp)
					*q++ = htons(0xa800);
					*q++ = htons(0xf227);		// fmove.l fpcr,-(sp)
					*q++ = htons(0xb000);
					*q++ = htons(0x4879);		// pea -1					(push "FPU state saved" flag)
					*q++ = htons(0xffff);
					*q++ = htons(0xffff);
					p16 += 7;
					for (i=0; i<23; i++) *q++ = *p16++;
					*q++ = htons(0x4a2f);		// tst.b 2(sp)				(null FPU state or "FPU state saved" flag set?)
					*q++ = htons(2);
					*q++ = htons(0x6712);		// beq
					*q++ = htons(0x588f);		// addq.l #2,sp				(flag set, skip it)
					*q++ = htons(0xf21f);		// fmove.l (sp)+,fpcr		(restore FPU registers)
					*q++ = htons(0x9000);
					*q++ = htons(0xf21f);		// fmove.l (sp)+,fpsr
					*q++ = htons(0x8800);
					*q++ = htons(0xf21f);		// fmove.l (sp)+,fpiar
					*q++ = htons(0x8400);
					*q++ = htons(0xf21f);		// fmovem.x (sp)+,fp0-fp7
					*q++ = htons(0xd0ff);
					p16 += 7;
					for (i=0; i<20; i++) *q++ = *p16++;

					p16 = (uint16 *)(p + base);
					*p16++ = htons(M68K_JMP);
					*p16++ = htons(start >> 16);
					*p16 = htons(start & 0xffff);
					FlushCodeCache(p + base, 6);
					D(bug("  patch 5 applied\n"));

					base = find_rsrc_data(p, size - base - 2, dat4, sizeof(dat4), base + 2);
					if (base) {	// FPU -> no FPU

						p16 = (uint16 *)(p + base);
						start = (uint32)q;
						for (i=0; i<4; i++) *q++ = *p16++;
						*q++ = htons(0x675e);		// beq
						p16++;
						for (i=0; i<21; i++) *q++ = *p16++;
						*q++ = htons(0x4a2f);		// tst.b 2(sp)				(null FPU state?)
						*q++ = htons(2);
						*q++ = htons(0x6716);		// beq
						*q++ = htons(0xf227);		// fmovem.x fp0-fp7,-(sp)	(no, save FPU registers)
						*q++ = htons(0xe0ff);
						*q++ = htons(0xf227);		// fmove.l fpiar,-(sp)
						*q++ = htons(0xa400);
						*q++ = htons(0xf227);		// fmove.l fpsr,-(sp)
						*q++ = htons(0xa800);
						*q++ = htons(0xf227);		// fmove.l fpcr,-(sp)
						*q++ = htons(0xb000);
						*q++ = htons(0x4879);		// pea -1					(push "FPU state saved" flag)
						*q++ = htons(0xffff);
						*q++ = htons(0xffff);
						p16 += 7;
						for (i=0; i<42; i++) *q++ = *p16++;

						p16 = (uint16 *)(p + base);
						*p16++ = htons(M68K_JMP);
						*p16++ = htons(start >> 16);
						*p16 = htons(start & 0xffff);
						FlushCodeCache(p + base, 6);
						D(bug("  patch 6 applied\n"));
					}
				}
			}
		}

		FlushCodeCache(ThPatchSpace, 1024);

		// Patch Thread Manager FPU init for 68060 FPU (7.5, 8.0)
		static const uint8 dat5[] = {0x4a, 0x28, 0x00, 0xa4, 0x67, 0x0a, 0x4a, 0x2c, 0x00, 0x40};
		base = find_rsrc_data(p, size, dat5, sizeof(dat5));
		if (base) {
			p16 = (uint16 *)(p + base + 6);
			*p16++ = htons(M68K_JSR);
			*p16++ = htons((uint32)ThInitFPUPatch >> 16);
			*p16++ = htons((uint32)ThInitFPUPatch & 0xffff);
			*p16++ = htons(M68K_NOP);
			*p16 = htons(M68K_NOP);
			FlushCodeCache(p + base + 6, 10);
			D(bug("  patch 7 applied\n"));
		}
#endif

	} else if (type == FOURCC('g','p','c','h') && id == 750) {
		D(bug(" gpch 750 found\n"));

		// Don't use PTEST instruction in BlockMove() (7.5, 7.6, 7.6.1, 8.0)
		static const uint8 dat[] = {0x20, 0x5f, 0x22, 0x5f, 0x0c, 0x38, 0x00, 0x04, 0x01, 0x2f};
		base = find_rsrc_data(p, size, dat, sizeof(dat));
		if (base) {
			p16 = (uint16 *)(p + base + 4);
			*p16++ = htons(M68K_EMUL_OP_BLOCK_MOVE);
			*p16++ = htons(0x7000);
			*p16 = htons(M68K_RTS);
			FlushCodeCache(p + base + 4, 6);
			D(bug("  patch 1 applied\n"));
		}

	} else if (type == FOURCC('l','p','c','h') && id == 24) {
		D(bug(" lpch 24 found\n"));

		// Don't replace Time Manager (7.0.1, 7.1, 7.5, 7.6, 7.6.1, 8.0)
		static const uint8 dat[] = {0x70, 0x59, 0xa2, 0x47};
		base = find_rsrc_data(p, size, dat, sizeof(dat));
		if (base) {
			p16 = (uint16 *)(p + base + 2);
			*p16++ = htons(M68K_NOP);
			p16 += 3;
			*p16++ = htons(M68K_NOP);
			p16 += 7;
			*p16 = htons(M68K_NOP);
			FlushCodeCache(p + base + 2, 28);
			D(bug("  patch 1 applied\n"));
		}

	} else if (type == FOURCC('l','p','c','h') && id == 31) {
		D(bug(" lpch 31 found\n"));

		// Don't write to VIA in vSoundDead() (7.0.1, 7.1, 7.5, 7.6, 7.6.1, 8.0)
		static const uint8 dat[] = {0x20, 0x78, 0x01, 0xd4, 0x08, 0xd0, 0x00, 0x07, 0x4e, 0x75};
		base = find_rsrc_data(p, size, dat, sizeof(dat));
		if (base) {
			p16 = (uint16 *)(p + base);
			*p16 = htons(M68K_RTS);
			FlushCodeCache(p + base, 2);
			D(bug("  patch 1 applied\n"));
		}

		// Don't replace SCSI manager (7.1, 7.5, 7.6.1, 8.0)
		static const uint8 dat2[] = {0x0c, 0x6f, 0x00, 0x0e, 0x00, 0x04, 0x66, 0x0c};
		base = find_rsrc_data(p, size, dat2, sizeof(dat2));
		if (base) {
			p16 = (uint16 *)(p + base);
			*p16++ = htons(M68K_EMUL_OP_SCSI_DISPATCH);
			*p16++ = htons(0x2e49);		// move.l	a1,a7
			*p16 = htons(M68K_JMP_A0);
			FlushCodeCache(p + base, 6);
			D(bug("  patch 2 applied\n"));
		}

#if !EMULATED_68K
	} else if (CPUIs68060 && type == FOURCC('s','c','o','d') && (id == -16463 || id == -16464)) {
		D(bug(" scod -16463/-16464 found\n"));

		// Correct 68060 FP frame handling in Process Manager task switches (7.1, 7.5, 8.0)
		static const uint8 dat[] = {0xf3, 0x27, 0x4a, 0x17};
		base = find_rsrc_data(p, size, dat, sizeof(dat));
		if (base) {
			p16 = (uint16 *)(p + base);
			*p16++ = htons(M68K_JMP);
			*p16++ = htons((uint32)Scod060Patch1 >> 16);
			*p16 = htons((uint32)Scod060Patch1 & 0xffff);
			FlushCodeCache(p + base, 6);
			D(bug("  patch 1 applied\n"));
		}

		// Even a null FP frame is 3 longwords on the 68060 (7.1, 7.5, 8.0)
		static const uint8 dat2[] = {0xf3, 0x5f, 0x4e, 0x75};
		base = find_rsrc_data(p, size, dat2, sizeof(dat2));
		if (base) {
			p16 = (uint16 *)(p + base - 2);
			*p16++ = htons(M68K_JMP);
			*p16++ = htons((uint32)Scod060Patch2 >> 16);
			*p16 = htons((uint32)Scod060Patch2 & 0xffff);
			FlushCodeCache(p + base - 2, 6);
			D(bug("  patch 2 applied\n"));
		}
#endif

	} else if (type == FOURCC('t','h','n','g') && id == -16563) {
		D(bug(" thng -16563 found\n"));

		// Set audio component flags (7.5, 7.6, 7.6.1, 8.0)
		*(uint32 *)(p + componentFlags) = htonl(audio_component_flags);
		D(bug("  patch 1 applied\n"));

	} else if (type == FOURCC('s','i','f','t') && id == -16563) {
		D(bug(" sift -16563 found\n"));

		// Replace audio component (7.5, 7.6, 7.6.1, 8.0)
		p16 = (uint16 *)p;
		*p16++ = htons(0x4e56); *p16++ = htons(0x0000);	// link		a6,#0
		*p16++ = htons(0x48e7); *p16++ = htons(0x8018);	// movem.l	d0/a3-a4,-(sp)
		*p16++ = htons(0x266e); *p16++ = htons(0x000c);	// movea.l	12(a6),a3
		*p16++ = htons(0x286e); *p16++ = htons(0x0008);	// movea.l	8(a6),a4
		*p16++ = htons(M68K_EMUL_OP_AUDIO);
		*p16++ = htons(0x2d40); *p16++ = htons(0x0010);	// move.l	d0,16(a6)
		*p16++ = htons(0x4cdf); *p16++ = htons(0x1801);	// movem.l	(sp)+,d0/a3-a4
		*p16++ = htons(0x4e5e);							// unlk		a6
		*p16++ = htons(0x4e74); *p16++ = htons(0x0008);	// rtd		#8
		FlushCodeCache(p, 32);
		D(bug("  patch 1 applied\n"));

	} else if (type == FOURCC('i','n','s','t') && id == -19069) {
		D(bug(" inst -19069 found\n"));

		// Don't replace Microseconds (QuickTime 2.0)
		static const uint8 dat[] = {0x30, 0x3c, 0xa1, 0x93, 0xa2, 0x47};
		base = find_rsrc_data(p, size, dat, sizeof(dat));
		if (base) {
			p16 = (uint16 *)(p + base + 4);
			*p16 = htons(M68K_NOP);
			FlushCodeCache(p + base + 4, 2);
			D(bug("  patch 1 applied\n"));
		}

	} else if (type == FOURCC('D','R','V','R') && id == -20066) {
		D(bug("DRVR -20066 found\n"));

		// Don't access SCC in .Infra driver
		static const uint8 dat[] = {0x28, 0x78, 0x01, 0xd8, 0x48, 0xc7, 0x20, 0x0c, 0xd0, 0x87, 0x20, 0x40, 0x1c, 0x10};
		base = find_rsrc_data(p, size, dat, sizeof(dat));
		if (base) {
			p16 = (uint16 *)(p + base + 12);
			*p16 = htons(0x7a00);	// moveq #0,d6
			FlushCodeCache(p + base + 12, 2);
			D(bug("  patch 1 applied\n"));
		}

	} else if (type == FOURCC('l','t','l','k') && id == 0) {
		D(bug(" ltlk 0 found\n"));

		// Disable LocalTalk (7.0.1, 7.5, 7.6, 7.6.1, 8.0)
		p16 = (uint16 *)p;
		*p16++ = htons(M68K_JMP_A0);
		*p16++ = htons(0x7000);
		*p16 = htons(M68K_RTS);
		FlushCodeCache(p, 6);
		D(bug("  patch 1 applied\n"));
	}
#if REAL_ADDRESSING && !defined(AMIGA)
	else if (type == FOURCC('D','R','V','R') && id == 41) {
		D(bug(" DRVR 41 found\n"));
		
		// gb-- [0x28E (ROM85)] contains 0x3fff that will be placed into a0
		// Seems to be caused by the AppleShare extension from MacOS 8.1 (3.7.4)
		// .AFPTranslator (DRVR addr 0x2372)
		static const uint8 dat[] = {0x3a, 0x2e, 0x00, 0x0a, 0x55, 0x4f, 0x3e, 0xb8, 0x02, 0x8e, 0x30, 0x1f, 0x48, 0xc0, 0x24, 0x40, 0x20, 0x40};
		base = find_rsrc_data(p, size, dat, sizeof(dat));
		if (base) {
			p16 = (uint16 *)(p + base + 4);
			*p16++ = htons(0x3078);		// movea.w	ROM85,%a0
			*p16++ = htons(0x028e);
			*p16++ = htons(0xd1fc);		// adda.l	#RAMBaseMac,%a0
			*p16++ = htons((RAMBaseMac >> 16) & 0xffff);
			*p16++ = htons(RAMBaseMac & 0xffff);
			*p16++ = htons(0x2448);		// movea.l	%a0,%a2
			*p16++ = htons(M68K_NOP);
			FlushCodeCache(p + base + 4, 14);
			D(bug("  patch 1 applied\n"));
		}
	}
#endif
}