xref: /dports/games/libretro-uae/libretro-uae-8333daa/sources/src/memory.c

/*
 * UAE - The Un*x Amiga Emulator
 *
 * Memory management
 *
 * (c) 1995 Bernd Schmidt
 */

#define DEBUG_STUPID 0

#include "sysconfig.h"
#include "sysdeps.h"

#include "options.h"
#include "uae.h"
#include "memory_uae.h"
#include "rommgr.h"
#include "ersatz.h"
#include "zfile.h"
#include "custom.h"
#include "events.h"
#include "newcpu.h"
#include "autoconf.h"
#include "savestate.h"
#include "ar.h"
#include "crc32.h"
#include "gui.h"
#include "cdtv.h"
#include "akiko.h"
#include "arcadia.h"
#include "enforcer.h"
#include "a2091.h"
#include "gayle.h"
#include "debug.h"
#include "misc.h"
#include "zfile.h"

extern uae_u8 *natmem_offset, *natmem_offset_end;

#ifdef USE_MAPPED_MEMORY
#include <sys/mman.h>
#endif

bool canbang;
int candirect = -1;
static bool rom_write_enabled;
#ifdef JIT
/* Set by each memory handler that does not simply access real memory. */
int special_mem;
#endif
static int mem_hardreset;

#define IPC_PRIVATE 1
#define IPC_RMID    2
#define IPC_CREAT   4
#define IPC_STAT    8

/* internal prototypes */
#ifdef AGA
uae_u32 REGPARAM2 chipmem_lget_ce2 (uaecptr addr);
uae_u32 REGPARAM2 chipmem_wget_ce2 (uaecptr addr);
uae_u32 REGPARAM2 chipmem_bget_ce2 (uaecptr addr);
void REGPARAM2 chipmem_lput_ce2 (uaecptr addr, uae_u32 l);
void REGPARAM2 chipmem_wput_ce2 (uaecptr addr, uae_u32 w);
void REGPARAM2 chipmem_bput_ce2 (uaecptr addr, uae_u32 b);
#endif
uae_u32 REGPARAM2 chipmem_lget (uaecptr addr);
uae_u32 REGPARAM2 chipmem_wget (uaecptr addr);
uae_u32 REGPARAM2 chipmem_bget (uaecptr addr);
void REGPARAM2 chipmem_dummy_bput (uaecptr addr, uae_u32 b);
void REGPARAM2 chipmem_dummy_wput (uaecptr addr, uae_u32 b);
void REGPARAM2 chipmem_dummy_lput (uaecptr addr, uae_u32 b);
uae_u32 REGPARAM2 chipmem_agnus_lget (uaecptr addr);
uae_u32 REGPARAM2 chipmem_agnus_bget (uaecptr addr);
void REGPARAM2 chipmem_agnus_lput (uaecptr addr, uae_u32 l);
void REGPARAM2 chipmem_agnus_bput (uaecptr addr, uae_u32 b);
static uae_u32 REGPARAM3 kickmem_lget (uaecptr) REGPARAM;
static uae_u32 REGPARAM3 kickmem_wget (uaecptr) REGPARAM;
static uae_u32 REGPARAM3 kickmem_bget (uaecptr) REGPARAM;
static void REGPARAM3 kickmem_lput (uaecptr, uae_u32) REGPARAM;
static void REGPARAM3 kickmem_wput (uaecptr, uae_u32) REGPARAM;
static void REGPARAM3 kickmem_bput (uaecptr, uae_u32) REGPARAM;
static int REGPARAM3 kickmem_check (uaecptr addr, uae_u32 size) REGPARAM;
void REGPARAM2 kickmem2_lput (uaecptr addr, uae_u32 l);
void REGPARAM2 kickmem2_wput (uaecptr addr, uae_u32 w);
void REGPARAM2 kickmem2_bput (uaecptr addr, uae_u32 b);
static uae_u8 *REGPARAM3 kickmem_xlate (uaecptr addr) REGPARAM;
void memcpyha (uaecptr dst, const uae_u8 *src, int size);


/* external prototypes */
uae_u32 uaerand (void);


static bool isdirectjit (void)
{
#ifdef JIT
	return currprefs.cachesize && !currprefs.comptrustbyte;
#else
	return 0;
#endif
}

static bool canjit (void)
{
#ifdef JIT
	if (currprefs.cpu_model < 68020 || currprefs.address_space_24)
		return false;
	return true;
#else
	return false;
#endif
}
static bool needmman (void)
{
	if (canjit ())
		return true;
	return false;
}

static void nocanbang (void)
{
	canbang = 0;
}

uae_u32 allocated_chipmem;
uae_u32 allocated_fastmem;
uae_u32 allocated_bogomem;
uae_u32 allocated_gfxmem;
uae_u32 allocated_z3fastmem, allocated_z3fastmem2, allocated_z3chipmem;
uae_u32 allocated_a3000lmem;
uae_u32 allocated_a3000hmem;
uae_u32 allocated_cardmem;
uae_u8 ce_banktype[65536];
uae_u8 ce_cachable[65536];

static size_t bootrom_filepos, chip_filepos, bogo_filepos, rom_filepos, a3000lmem_filepos, a3000hmem_filepos;

/* Set if we notice during initialization that settings changed,
and we must clear all memory to prevent bogus contents from confusing
the Kickstart.  */
static bool need_hardreset;
static bool bogomem_aliasing;

/* The address space setting used during the last reset.  */
static bool last_address_space_24;

addrbank *mem_banks[MEMORY_BANKS];

/* This has two functions. It either holds a host address that, when added
   to the 68k address, gives the host address corresponding to that 68k
   address (in which case the value in this array is even), OR it holds the
   same value as mem_banks, for those banks that have baseaddr==0. In that
   case, bit 0 is set (the memory access routines will take care of it).  */

uae_u8 *baseaddr[MEMORY_BANKS];

#ifdef NO_INLINE_MEMORY_ACCESS
__inline__ uae_u32 longget (uaecptr addr)
{
	return call_mem_get_func (get_mem_bank (addr).lget, addr);
}
__inline__ uae_u32 wordget (uaecptr addr)
{
	return call_mem_get_func (get_mem_bank (addr).wget, addr);
}
__inline__ uae_u32 byteget (uaecptr addr)
{
	return call_mem_get_func (get_mem_bank (addr).bget, addr);
}
__inline__ void longput (uaecptr addr, uae_u32 l)
{
	call_mem_put_func (get_mem_bank (addr).lput, addr, l);
}
__inline__ void wordput (uaecptr addr, uae_u32 w)
{
	call_mem_put_func (get_mem_bank (addr).wput, addr, w);
}
__inline__ void byteput (uaecptr addr, uae_u32 b)
{
	call_mem_put_func (get_mem_bank (addr).bput, addr, b);
}
#endif

int addr_valid (const TCHAR *txt, uaecptr addr, uae_u32 len)
{
	addrbank *ab = &get_mem_bank(addr);
	if (ab == 0 || !(ab->flags & (ABFLAG_RAM | ABFLAG_ROM)) || addr < 0x100 || len > 16777215 || !valid_address (addr, len)) {
		write_log (_T("corrupt %s pointer %x (%d) detected!\n"), txt, addr, len);
		return 0;
	}
	return 1;
}

uae_u32	chipmem_mask, chipmem_full_mask, chipmem_full_size;
uae_u32 kickmem_mask, extendedkickmem_mask, extendedkickmem2_mask, bogomem_mask;
uae_u32 a3000lmem_mask, a3000hmem_mask, cardmem_mask;

static int illegal_count;
/* A dummy bank that only contains zeros */

static uae_u32 REGPARAM3 dummy_lget (uaecptr) REGPARAM;
static uae_u32 REGPARAM3 dummy_wget (uaecptr) REGPARAM;
static uae_u32 REGPARAM3 dummy_bget (uaecptr) REGPARAM;
static void REGPARAM3 dummy_lput (uaecptr, uae_u32) REGPARAM;
static void REGPARAM3 dummy_wput (uaecptr, uae_u32) REGPARAM;
static void REGPARAM3 dummy_bput (uaecptr, uae_u32) REGPARAM;
static int REGPARAM3 dummy_check (uaecptr addr, uae_u32 size) REGPARAM;

#define	MAX_ILG 200
#define NONEXISTINGDATA 0
//#define NONEXISTINGDATA 0xffffffff

static void dummylog (int rw, uaecptr addr, int size, uae_u32 val, int ins)
{
	if (illegal_count >= MAX_ILG && MAX_ILG > 0)
		return;
	/* ignore Zorro3 expansion space */
	if (addr >= 0xff000000 && addr <= 0xff000200)
		return;
	/* autoconfig and extended rom */
	if (addr >= 0xe00000 && addr <= 0xf7ffff)
		return;
	/* motherboard ram */
	if (addr >= 0x08000000 && addr <= 0x08000007)
		return;
	if (addr >= 0x07f00000 && addr <= 0x07f00007)
		return;
	if (addr >= 0x07f7fff0 && addr <= 0x07ffffff)
		return;
	if (MAX_ILG >= 0)
		illegal_count++;
	if (ins) {
		write_log (_T("WARNING: Illegal opcode %cget at %08x PC=%x\n"),
			size == 2 ? 'w' : 'l', addr, M68K_GETPC);
	} else if (rw) {
		write_log (_T("Illegal %cput at %08x=%08x PC=%x\n"),
			size == 1 ? 'b' : size == 2 ? 'w' : 'l', addr, val, M68K_GETPC);
	} else {
		write_log (_T("Illegal %cget at %08x PC=%x\n"),
			size == 1 ? 'b' : size == 2 ? 'w' : 'l', addr, M68K_GETPC);
	}
}

static uae_u32 dummy_get (uaecptr addr, int size)
{
	uae_u32 v;
	if (currprefs.cpu_model >= 68020)
		return NONEXISTINGDATA;
	v = (regs.irc << 16) | regs.irc;
	if (size == 4) {
		;
	} else if (size == 2) {
		v &= 0xffff;
	} else {
		v = (addr & 1) ? (v & 0xff) : ((v >> 8) & 0xff);
	}
#if 0
	if (addr >= 0x10000000)
		write_log (_T("%08X %d = %08x\n"), addr, size, v);
#endif
	return v;
}

static uae_u32 REGPARAM2 dummy_lget (uaecptr addr)
{
#ifdef JIT
	special_mem |= S_READ;
#endif
	if (currprefs.illegal_mem)
		dummylog (0, addr, 4, 0, 0);
	return dummy_get (addr, 4);
}
uae_u32 REGPARAM2 dummy_lgeti (uaecptr addr)
{
#ifdef JIT
	special_mem |= S_READ;
#endif
	if (currprefs.illegal_mem)
		dummylog (0, addr, 4, 0, 1);
	return dummy_get (addr, 4);
}

static uae_u32 REGPARAM2 dummy_wget (uaecptr addr)
{
#ifdef JIT
	special_mem |= S_READ;
#endif
	if (currprefs.illegal_mem)
		dummylog (0, addr, 2, 0, 0);
	return dummy_get (addr, 2);
}
uae_u32 REGPARAM2 dummy_wgeti (uaecptr addr)
{
#ifdef JIT
	special_mem |= S_READ;
#endif
	if (currprefs.illegal_mem)
		dummylog (0, addr, 2, 0, 1);
	return dummy_get (addr, 2);
}

static uae_u32 REGPARAM2 dummy_bget (uaecptr addr)
{
#ifdef JIT
	special_mem |= S_READ;
#endif
	if (currprefs.illegal_mem)
		dummylog (0, addr, 1, 0, 0);
	return dummy_get (addr, 1);
}

static void REGPARAM2 dummy_lput (uaecptr addr, uae_u32 l)
{
#ifdef JIT
	special_mem |= S_WRITE;
#endif
	if (currprefs.illegal_mem)
		dummylog (1, addr, 4, l, 0);
}
static void REGPARAM2 dummy_wput (uaecptr addr, uae_u32 w)
{
#ifdef JIT
	special_mem |= S_WRITE;
#endif
	if (currprefs.illegal_mem)
		dummylog (1, addr, 2, w, 0);
}
static void REGPARAM2 dummy_bput (uaecptr addr, uae_u32 b)
{
#ifdef JIT
	special_mem |= S_WRITE;
#endif
	if (currprefs.illegal_mem)
		dummylog (1, addr, 1, b, 0);
}

static int REGPARAM2 dummy_check (uaecptr addr, uae_u32 size)
{
#ifdef JIT
	special_mem |= S_READ;
#endif
	return 0;
}

static void REGPARAM2 none_put (uaecptr addr, uae_u32 v)
{
#ifdef JIT
	special_mem |= S_WRITE;
#endif
}
static uae_u32 REGPARAM2 ones_get (uaecptr addr)
{
#ifdef JIT
	special_mem |= S_READ;
#endif
	return 0xffffffff;
}

/* Chip memory */

uae_u8 *chipmemory;

static int REGPARAM3 chipmem_check (uaecptr addr, uae_u32 size) REGPARAM;
static uae_u8 *REGPARAM3 chipmem_xlate (uaecptr addr) REGPARAM;

#ifdef AGA

/* AGA ce-chipram access */

static void ce2_timeout (void)
{
	wait_cpu_cycle_read (0, -1);
}

uae_u32 REGPARAM2 chipmem_lget_ce2 (uaecptr addr)
{
	uae_u32 *m;

#ifdef JIT
	special_mem |= S_READ;
#endif
	addr &= chipmem_mask;
	m = (uae_u32 *)(chipmemory + addr);
	ce2_timeout ();
	return do_get_mem_long (m);
}

uae_u32 REGPARAM2 chipmem_wget_ce2 (uaecptr addr)
{
	uae_u16 *m, v;

#ifdef JIT
	special_mem |= S_READ;
#endif
	addr &= chipmem_mask;
	m = (uae_u16 *)(chipmemory + addr);
	ce2_timeout ();
	v = do_get_mem_word (m);
	return v;
}

uae_u32 REGPARAM2 chipmem_bget_ce2 (uaecptr addr)
{
#ifdef JIT
	special_mem |= S_READ;
#endif
	addr &= chipmem_mask;
	ce2_timeout ();
	return chipmemory[addr];
}

void REGPARAM2 chipmem_lput_ce2 (uaecptr addr, uae_u32 l)
{
	uae_u32 *m;

#ifdef JIT
	special_mem |= S_WRITE;
#endif
	addr &= chipmem_mask;
	m = (uae_u32 *)(chipmemory + addr);
	ce2_timeout ();
	do_put_mem_long (m, l);
}

void REGPARAM2 chipmem_wput_ce2 (uaecptr addr, uae_u32 w)
{
	uae_u16 *m;

#ifdef JIT
	special_mem |= S_WRITE;
#endif
	addr &= chipmem_mask;
	m = (uae_u16 *)(chipmemory + addr);
	ce2_timeout ();
	do_put_mem_word (m, w);
}

void REGPARAM2 chipmem_bput_ce2 (uaecptr addr, uae_u32 b)
{
#ifdef JIT
	special_mem |= S_WRITE;
#endif
	addr &= chipmem_mask;
	ce2_timeout ();
	chipmemory[addr] = b;
}

#endif

uae_u32 REGPARAM2 chipmem_lget (uaecptr addr)
{
	uae_u32 *m;

	addr &= chipmem_mask;
	m = (uae_u32 *)(chipmemory + addr);
	return do_get_mem_long (m);
}

uae_u32 REGPARAM2 chipmem_wget (uaecptr addr)
{
	uae_u16 *m, v;

	addr &= chipmem_mask;
	m = (uae_u16 *)(chipmemory + addr);
	v = do_get_mem_word (m);
	return v;
}

uae_u32 REGPARAM2 chipmem_bget (uaecptr addr)
{
	uae_u8 v;
	addr &= chipmem_mask;
	v = chipmemory[addr];
	return v;
}

void REGPARAM2 chipmem_lput (uaecptr addr, uae_u32 l)
{
	uae_u32 *m;

	addr &= chipmem_mask;
	m = (uae_u32 *)(chipmemory + addr);
	do_put_mem_long (m, l);
}

void REGPARAM2 chipmem_wput (uaecptr addr, uae_u32 w)
{
	uae_u16 *m;

	addr &= chipmem_mask;
	m = (uae_u16 *)(chipmemory + addr);
	do_put_mem_word (m, w);
}

void REGPARAM2 chipmem_bput (uaecptr addr, uae_u32 b)
{
	addr &= chipmem_mask;
	chipmemory[addr] = b;
}

/* cpu chipmem access inside agnus addressable ram but no ram available */
static uae_u32 chipmem_dummy (void)
{
	/* not really right but something random that has more ones than zeros.. */
	return 0xffff & ~((1 << (uaerand () & 31)) | (1 << (uaerand () & 31)));
}

void REGPARAM2 chipmem_dummy_bput (uaecptr addr, uae_u32 b)
{
#ifdef JIT
	special_mem |= S_WRITE;
#endif
}

void REGPARAM2 chipmem_dummy_wput (uaecptr addr, uae_u32 b)
{
#ifdef JIT
	special_mem |= S_WRITE;
#endif
}

void REGPARAM2 chipmem_dummy_lput (uaecptr addr, uae_u32 b)
{
#ifdef JIT
	special_mem |= S_WRITE;
#endif
}

static uae_u32 REGPARAM2 chipmem_dummy_bget (uaecptr addr)
{
#ifdef JIT
	special_mem |= S_READ;
#endif
	return chipmem_dummy ();
}

static uae_u32 REGPARAM2 chipmem_dummy_wget (uaecptr addr)
{
#ifdef JIT
	special_mem |= S_READ;
#endif
	return chipmem_dummy ();
}

static uae_u32 REGPARAM2 chipmem_dummy_lget (uaecptr addr)
{
#ifdef JIT
	special_mem |= S_READ;
#endif
	return (chipmem_dummy () << 16) | chipmem_dummy ();
}

uae_u32 REGPARAM2 chipmem_agnus_lget (uaecptr addr)
{
	uae_u32 *m;

	addr &= chipmem_full_mask;
	m = (uae_u32 *)(chipmemory + addr);
	return do_get_mem_long (m);
}

uae_u32 REGPARAM2 chipmem_agnus_wget (uaecptr addr)
{
	uae_u16 *m;

	addr &= chipmem_full_mask;
	m = (uae_u16 *)(chipmemory + addr);
	return do_get_mem_word (m);
}

uae_u32 REGPARAM2 chipmem_agnus_bget (uaecptr addr)
{
	addr &= chipmem_full_mask;
	return chipmemory[addr];
}

void REGPARAM2 chipmem_agnus_lput (uaecptr addr, uae_u32 l)
{
	uae_u32 *m;

	addr &= chipmem_full_mask;
	if (addr >= chipmem_full_size)
		return;
	m = (uae_u32 *)(chipmemory + addr);
	do_put_mem_long (m, l);
}

void REGPARAM2 chipmem_agnus_wput (uaecptr addr, uae_u32 w)
{
	uae_u16 *m;

	addr &= chipmem_full_mask;
	if (addr >= chipmem_full_size)
		return;
	m = (uae_u16 *)(chipmemory + addr);
	do_put_mem_word (m, w);
}

void REGPARAM2 chipmem_agnus_bput (uaecptr addr, uae_u32 b)
{
	addr &= chipmem_full_mask;
	if (addr >= chipmem_full_size)
		return;
	chipmemory[addr] = b;
}

static int REGPARAM2 chipmem_check (uaecptr addr, uae_u32 size)
{
	addr &= chipmem_mask;
	return (addr + size) <= chipmem_full_size;
}

static uae_u8 *REGPARAM2 chipmem_xlate (uaecptr addr)
{
	addr &= chipmem_mask;
	return chipmemory + addr;
}

STATIC_INLINE void REGPARAM2 chipmem_lput_bigmem (uaecptr addr, uae_u32 v)
{
	put_long (addr, v);
}
STATIC_INLINE void REGPARAM2 chipmem_wput_bigmem (uaecptr addr, uae_u32 v)
{
	put_word (addr, v);
}
STATIC_INLINE void REGPARAM2 chipmem_bput_bigmem (uaecptr addr, uae_u32 v)
{
	put_byte (addr, v);
}
STATIC_INLINE uae_u32 REGPARAM2 chipmem_lget_bigmem (uaecptr addr)
{
	return get_long (addr);
}
STATIC_INLINE uae_u32 REGPARAM2 chipmem_wget_bigmem (uaecptr addr)
{
	return get_word (addr);
}
STATIC_INLINE uae_u32 REGPARAM2 chipmem_bget_bigmem (uaecptr addr)
{
	return get_byte (addr);
}
STATIC_INLINE int REGPARAM2 chipmem_check_bigmem (uaecptr addr, uae_u32 size)
{
	return valid_address (addr, size);
}
STATIC_INLINE uae_u8* REGPARAM2 chipmem_xlate_bigmem (uaecptr addr)
{
	return get_real_address (addr);
}

uae_u32 (REGPARAM2 *chipmem_lget_indirect)(uaecptr);
uae_u32 (REGPARAM2 *chipmem_wget_indirect)(uaecptr);
uae_u32 (REGPARAM2 *chipmem_bget_indirect)(uaecptr);
void (REGPARAM2 *chipmem_lput_indirect)(uaecptr, uae_u32);
void (REGPARAM2 *chipmem_wput_indirect)(uaecptr, uae_u32);
void (REGPARAM2 *chipmem_bput_indirect)(uaecptr, uae_u32);
int (REGPARAM2 *chipmem_check_indirect)(uaecptr, uae_u32);
uae_u8 *(REGPARAM2 *chipmem_xlate_indirect)(uaecptr);

static void chipmem_setindirect (void)
{
	if (currprefs.z3chipmem_size) {
		chipmem_lget_indirect = chipmem_lget_bigmem;
		chipmem_wget_indirect = chipmem_wget_bigmem;
		chipmem_bget_indirect = chipmem_bget_bigmem;
		chipmem_lput_indirect = chipmem_lput_bigmem;
		chipmem_wput_indirect = chipmem_wput_bigmem;
		chipmem_bput_indirect = chipmem_bput_bigmem;
		chipmem_check_indirect = chipmem_check_bigmem;
		chipmem_xlate_indirect = chipmem_xlate_bigmem;
	} else {
		chipmem_lget_indirect = chipmem_lget;
		chipmem_wget_indirect = chipmem_agnus_wget;
		chipmem_bget_indirect = chipmem_agnus_bget;
		chipmem_lput_indirect = chipmem_lput;
		chipmem_wput_indirect = chipmem_agnus_wput;
		chipmem_bput_indirect = chipmem_agnus_bput;
		chipmem_check_indirect = chipmem_check;
		chipmem_xlate_indirect = chipmem_xlate;
	}
}

/* Slow memory */

static uae_u8 *bogomemory;
static int bogomemory_allocated;

static uae_u32 REGPARAM3 bogomem_lget (uaecptr) REGPARAM;
static uae_u32 REGPARAM3 bogomem_wget (uaecptr) REGPARAM;
static uae_u32 REGPARAM3 bogomem_bget (uaecptr) REGPARAM;
static void REGPARAM3 bogomem_lput (uaecptr, uae_u32) REGPARAM;
static void REGPARAM3 bogomem_wput (uaecptr, uae_u32) REGPARAM;
static void REGPARAM3 bogomem_bput (uaecptr, uae_u32) REGPARAM;
static int REGPARAM3 bogomem_check (uaecptr addr, uae_u32 size) REGPARAM;
static uae_u8 *REGPARAM3 bogomem_xlate (uaecptr addr) REGPARAM;

static uae_u32 REGPARAM2 bogomem_lget (uaecptr addr)
{
	uae_u32 *m;
	addr &= bogomem_mask;
	m = (uae_u32 *)(bogomemory + addr);
	return do_get_mem_long (m);
}

static uae_u32 REGPARAM2 bogomem_wget (uaecptr addr)
{
	uae_u16 *m;
	addr &= bogomem_mask;
	m = (uae_u16 *)(bogomemory + addr);
	return do_get_mem_word (m);
}

static uae_u32 REGPARAM2 bogomem_bget (uaecptr addr)
{
	addr &= bogomem_mask;
	return bogomemory[addr];
}

static void REGPARAM2 bogomem_lput (uaecptr addr, uae_u32 l)
{
	uae_u32 *m;
	addr &= bogomem_mask;
	m = (uae_u32 *)(bogomemory + addr);
	do_put_mem_long (m, l);
}

static void REGPARAM2 bogomem_wput (uaecptr addr, uae_u32 w)
{
	uae_u16 *m;
	addr &= bogomem_mask;
	m = (uae_u16 *)(bogomemory + addr);
	do_put_mem_word (m, w);
}

static void REGPARAM2 bogomem_bput (uaecptr addr, uae_u32 b)
{
	addr &= bogomem_mask;
	bogomemory[addr] = b;
}

static int REGPARAM2 bogomem_check (uaecptr addr, uae_u32 size)
{
	addr &= bogomem_mask;
	return (addr + size) <= allocated_bogomem;
}

static uae_u8 *REGPARAM2 bogomem_xlate (uaecptr addr)
{
	addr &= bogomem_mask;
	return bogomemory + addr;
}

/* CDTV expension memory card memory */

uae_u8 *cardmemory;

static uae_u32 REGPARAM3 cardmem_lget (uaecptr) REGPARAM;
static uae_u32 REGPARAM3 cardmem_wget (uaecptr) REGPARAM;
static uae_u32 REGPARAM3 cardmem_bget (uaecptr) REGPARAM;
static void REGPARAM3 cardmem_lput (uaecptr, uae_u32) REGPARAM;
static void REGPARAM3 cardmem_wput (uaecptr, uae_u32) REGPARAM;
static void REGPARAM3 cardmem_bput (uaecptr, uae_u32) REGPARAM;
static int REGPARAM3 cardmem_check (uaecptr addr, uae_u32 size) REGPARAM;
static uae_u8 *REGPARAM3 cardmem_xlate (uaecptr addr) REGPARAM;

static uae_u32 REGPARAM2 cardmem_lget (uaecptr addr)
{
	uae_u32 *m;
	addr &= cardmem_mask;
	m = (uae_u32 *)(cardmemory + addr);
	return do_get_mem_long (m);
}

static uae_u32 REGPARAM2 cardmem_wget (uaecptr addr)
{
	uae_u16 *m;
	addr &= cardmem_mask;
	m = (uae_u16 *)(cardmemory + addr);
	return do_get_mem_word (m);
}

static uae_u32 REGPARAM2 cardmem_bget (uaecptr addr)
{
	addr &= cardmem_mask;
	return cardmemory[addr];
}

static void REGPARAM2 cardmem_lput (uaecptr addr, uae_u32 l)
{
	uae_u32 *m;
	addr &= cardmem_mask;
	m = (uae_u32 *)(cardmemory + addr);
	do_put_mem_long (m, l);
}

static void REGPARAM2 cardmem_wput (uaecptr addr, uae_u32 w)
{
	uae_u16 *m;
	addr &= cardmem_mask;
	m = (uae_u16 *)(cardmemory + addr);
	do_put_mem_word (m, w);
}

static void REGPARAM2 cardmem_bput (uaecptr addr, uae_u32 b)
{
	addr &= cardmem_mask;
	cardmemory[addr] = b;
}

static int REGPARAM2 cardmem_check (uaecptr addr, uae_u32 size)
{
	addr &= cardmem_mask;
	return (addr + size) <= allocated_cardmem;
}

static uae_u8 *REGPARAM2 cardmem_xlate (uaecptr addr)
{
	addr &= cardmem_mask;
	return cardmemory + addr;
}

/* A3000 motherboard fast memory */
static uae_u8 *a3000lmemory, *a3000hmemory;
uaecptr a3000lmem_start, a3000hmem_start;

static uae_u32 REGPARAM3 a3000lmem_lget (uaecptr) REGPARAM;
static uae_u32 REGPARAM3 a3000lmem_wget (uaecptr) REGPARAM;
static uae_u32 REGPARAM3 a3000lmem_bget (uaecptr) REGPARAM;
static void REGPARAM3 a3000lmem_lput (uaecptr, uae_u32) REGPARAM;
static void REGPARAM3 a3000lmem_wput (uaecptr, uae_u32) REGPARAM;
static void REGPARAM3 a3000lmem_bput (uaecptr, uae_u32) REGPARAM;
static int REGPARAM3 a3000lmem_check (uaecptr addr, uae_u32 size) REGPARAM;
static uae_u8 *REGPARAM3 a3000lmem_xlate (uaecptr addr) REGPARAM;

static uae_u32 REGPARAM2 a3000lmem_lget (uaecptr addr)
{
	uae_u32 *m;
	addr &= a3000lmem_mask;
	m = (uae_u32 *)(a3000lmemory + addr);
	return do_get_mem_long (m);
}

static uae_u32 REGPARAM2 a3000lmem_wget (uaecptr addr)
{
	uae_u16 *m;
	addr &= a3000lmem_mask;
	m = (uae_u16 *)(a3000lmemory + addr);
	return do_get_mem_word (m);
}

static uae_u32 REGPARAM2 a3000lmem_bget (uaecptr addr)
{
	addr &= a3000lmem_mask;
	return a3000lmemory[addr];
}

static void REGPARAM2 a3000lmem_lput (uaecptr addr, uae_u32 l)
{
	uae_u32 *m;
	addr &= a3000lmem_mask;
	m = (uae_u32 *)(a3000lmemory + addr);
	do_put_mem_long (m, l);
}

static void REGPARAM2 a3000lmem_wput (uaecptr addr, uae_u32 w)
{
	uae_u16 *m;
	addr &= a3000lmem_mask;
	m = (uae_u16 *)(a3000lmemory + addr);
	do_put_mem_word (m, w);
}

static void REGPARAM2 a3000lmem_bput (uaecptr addr, uae_u32 b)
{
	addr &= a3000lmem_mask;
	a3000lmemory[addr] = b;
}

static int REGPARAM2 a3000lmem_check (uaecptr addr, uae_u32 size)
{
	addr &= a3000lmem_mask;
	return (addr + size) <= allocated_a3000lmem;
}

static uae_u8 *REGPARAM2 a3000lmem_xlate (uaecptr addr)
{
	addr &= a3000lmem_mask;
	return a3000lmemory + addr;
}

static uae_u32 REGPARAM3 a3000hmem_lget (uaecptr) REGPARAM;
static uae_u32 REGPARAM3 a3000hmem_wget (uaecptr) REGPARAM;
static uae_u32 REGPARAM3 a3000hmem_bget (uaecptr) REGPARAM;
static void REGPARAM3 a3000hmem_lput (uaecptr, uae_u32) REGPARAM;
static void REGPARAM3 a3000hmem_wput (uaecptr, uae_u32) REGPARAM;
static void REGPARAM3 a3000hmem_bput (uaecptr, uae_u32) REGPARAM;
static int REGPARAM3 a3000hmem_check (uaecptr addr, uae_u32 size) REGPARAM;
static uae_u8 *REGPARAM3 a3000hmem_xlate (uaecptr addr) REGPARAM;

static uae_u32 REGPARAM2 a3000hmem_lget (uaecptr addr)
{
	uae_u32 *m;
	addr &= a3000hmem_mask;
	m = (uae_u32 *)(a3000hmemory + addr);
	return do_get_mem_long (m);
}

static uae_u32 REGPARAM2 a3000hmem_wget (uaecptr addr)
{
	uae_u16 *m;
	addr &= a3000hmem_mask;
	m = (uae_u16 *)(a3000hmemory + addr);
	return do_get_mem_word (m);
}

static uae_u32 REGPARAM2 a3000hmem_bget (uaecptr addr)
{
	addr &= a3000hmem_mask;
	return a3000hmemory[addr];
}

static void REGPARAM2 a3000hmem_lput (uaecptr addr, uae_u32 l)
{
	uae_u32 *m;
	addr &= a3000hmem_mask;
	m = (uae_u32 *)(a3000hmemory + addr);
	do_put_mem_long (m, l);
}

static void REGPARAM2 a3000hmem_wput (uaecptr addr, uae_u32 w)
{
	uae_u16 *m;
	addr &= a3000hmem_mask;
	m = (uae_u16 *)(a3000hmemory + addr);
	do_put_mem_word (m, w);
}

static void REGPARAM2 a3000hmem_bput (uaecptr addr, uae_u32 b)
{
	addr &= a3000hmem_mask;
	a3000hmemory[addr] = b;
}

static int REGPARAM2 a3000hmem_check (uaecptr addr, uae_u32 size)
{
	addr &= a3000hmem_mask;
	return (addr + size) <= allocated_a3000hmem;
}

static uae_u8 *REGPARAM2 a3000hmem_xlate (uaecptr addr)
{
	addr &= a3000hmem_mask;
	return a3000hmemory + addr;
}

/* Kick memory */

uae_u8 *kickmemory;
uae_u16 kickstart_version;
uae_u32 kickmem_size;

/*
 * A1000 kickstart RAM handling
 *
 * RESET instruction unhides boot ROM and disables write protection
 * write access to boot ROM hides boot ROM and enables write protection
 *
 */
static int a1000_kickstart_mode;
static uae_u8 *a1000_bootrom;
static void a1000_handle_kickstart (int mode)
{
	if (!a1000_bootrom)
		return;
#ifdef NATMEM_OFFSET
	protect_roms (false);
#endif
	if (mode == 0) {
		a1000_kickstart_mode = 0;
		memcpy (kickmemory, kickmemory + 262144, 262144);
		kickstart_version = (kickmemory[262144 + 12] << 8) | kickmemory[262144 + 13];
	} else {
		a1000_kickstart_mode = 1;
		memcpy (kickmemory, a1000_bootrom, 262144);
		kickstart_version = 0;
	}
	if (kickstart_version == 0xffff)
		kickstart_version = 0;
}

void a1000_reset (void)
{
	a1000_handle_kickstart (1);
}


uae_u32 REGPARAM2 kickmem_lget (uaecptr addr)
{
	uae_u32 *m;
	addr &= kickmem_mask;
	m = (uae_u32 *)(kickmemory + addr);
	return do_get_mem_long (m);
}

static uae_u32 REGPARAM2 kickmem_wget (uaecptr addr)
{
	uae_u16 *m;
	addr &= kickmem_mask;
	m = (uae_u16 *)(kickmemory + addr);
	return do_get_mem_word (m);
}

static uae_u32 REGPARAM2 kickmem_bget (uaecptr addr)
{
	addr &= kickmem_mask;
	return kickmemory[addr];
}

static void REGPARAM2 kickmem_lput (uaecptr addr, uae_u32 b)
{
	uae_u32 *m;
#ifdef JIT
	special_mem |= S_WRITE;
#endif
	if (currprefs.rom_readwrite && rom_write_enabled) {
		addr &= kickmem_mask;
		m = (uae_u32 *)(kickmemory + addr);
		do_put_mem_long (m, b);
		if (addr == 524288-4) {
			rom_write_enabled = false;
			write_log (_T("ROM write disabled\n"));
		}
	} else if (a1000_kickstart_mode) {
		if (addr >= 0xfc0000) {
			addr &= kickmem_mask;
			m = (uae_u32 *)(kickmemory + addr);
			do_put_mem_long (m, b);
			return;
		} else
			a1000_handle_kickstart (0);
	} else if (currprefs.illegal_mem) {
		write_log (_T("Illegal kickmem lput at %08x\n"), addr);
	}
}

void REGPARAM2 kickmem_wput (uaecptr addr, uae_u32 b)
{
	uae_u16 *m;
#ifdef JIT
	special_mem |= S_WRITE;
#endif
	if (currprefs.rom_readwrite && rom_write_enabled) {
		addr &= kickmem_mask;
		m = (uae_u16 *)(kickmemory + addr);
		do_put_mem_word (m, b);
	} else if (a1000_kickstart_mode) {
		if (addr >= 0xfc0000) {
			addr &= kickmem_mask;
			m = (uae_u16 *)(kickmemory + addr);
			do_put_mem_word (m, b);
			return;
		} else
			a1000_handle_kickstart (0);
	} else if (currprefs.illegal_mem) {
		write_log (_T("Illegal kickmem wput at %08x\n"), addr);
	}
}

void REGPARAM2 kickmem_bput (uaecptr addr, uae_u32 b)
{
#ifdef JIT
	special_mem |= S_WRITE;
#endif
	if (currprefs.rom_readwrite && rom_write_enabled) {
		addr &= kickmem_mask;
		kickmemory[addr] = b;
	} else if (a1000_kickstart_mode) {
		if (addr >= 0xfc0000) {
			addr &= kickmem_mask;
			kickmemory[addr] = b;
			return;
		} else
			a1000_handle_kickstart (0);
	} else if (currprefs.illegal_mem) {
		write_log (_T("Illegal kickmem bput at %08x\n"), addr);
	}
}

void REGPARAM2 kickmem2_lput (uaecptr addr, uae_u32 l)
{
	uae_u32 *m;
#ifdef JIT
	special_mem |= S_WRITE;
#endif
	addr &= kickmem_mask;
	m = (uae_u32 *)(kickmemory + addr);
	do_put_mem_long (m, l);
}

void REGPARAM2 kickmem2_wput (uaecptr addr, uae_u32 w)
{
	uae_u16 *m;
#ifdef JIT
	special_mem |= S_WRITE;
#endif
	addr &= kickmem_mask;
	m = (uae_u16 *)(kickmemory + addr);
	do_put_mem_word (m, w);
}

void REGPARAM2 kickmem2_bput (uaecptr addr, uae_u32 b)
{
#ifdef JIT
	special_mem |= S_WRITE;
#endif
	addr &= kickmem_mask;
	kickmemory[addr] = b;
}

int REGPARAM2 kickmem_check (uaecptr addr, uae_u32 size)
{
	addr &= kickmem_mask;
	return (addr + size) <= kickmem_size;
}

uae_u8 *REGPARAM2 kickmem_xlate (uaecptr addr)
{
	addr &= kickmem_mask;
	return kickmemory + addr;
}

/* CD32/CDTV extended kick memory */

uae_u8 *extendedkickmemory, *extendedkickmemory2;
static uae_u32 extendedkickmem_size, extendedkickmem2_size;
static uae_u32 extendedkickmem_start, extendedkickmem2_start;
static int extendedkickmem_type;

#define EXTENDED_ROM_CD32 1
#define EXTENDED_ROM_CDTV 2
#define EXTENDED_ROM_KS 3
#define EXTENDED_ROM_ARCADIA 4

static uae_u32 REGPARAM3 extendedkickmem_lget (uaecptr) REGPARAM;
static uae_u32 REGPARAM3 extendedkickmem_wget (uaecptr) REGPARAM;
static uae_u32 REGPARAM3 extendedkickmem_bget (uaecptr) REGPARAM;
static void REGPARAM3 extendedkickmem_lput (uaecptr, uae_u32) REGPARAM;
static void REGPARAM3 extendedkickmem_wput (uaecptr, uae_u32) REGPARAM;
static void REGPARAM3 extendedkickmem_bput (uaecptr, uae_u32) REGPARAM;
static int REGPARAM3 extendedkickmem_check (uaecptr addr, uae_u32 size) REGPARAM;
static uae_u8 *REGPARAM3 extendedkickmem_xlate (uaecptr addr) REGPARAM;
static uae_u32 REGPARAM2 extendedkickmem_lget (uaecptr addr)
{
	uae_u32 *m;
	addr -= extendedkickmem_start & extendedkickmem_mask;
	addr &= extendedkickmem_mask;
	m = (uae_u32 *)(extendedkickmemory + addr);
	return do_get_mem_long (m);
}
uae_u32 REGPARAM2 extendedkickmem_wget (uaecptr addr)
{
	uae_u16 *m;
	addr -= extendedkickmem_start & extendedkickmem_mask;
	addr &= extendedkickmem_mask;
	m = (uae_u16 *)(extendedkickmemory + addr);
	return do_get_mem_word (m);
}
uae_u32 REGPARAM2 extendedkickmem_bget (uaecptr addr)
{
	addr -= extendedkickmem_start & extendedkickmem_mask;
	addr &= extendedkickmem_mask;
	return extendedkickmemory[addr];
}
void REGPARAM2 extendedkickmem_lput (uaecptr addr, uae_u32 b)
{
#ifdef JIT
	special_mem |= S_WRITE;
#endif
	if (currprefs.illegal_mem)
		write_log (_T("Illegal extendedkickmem lput at %08lx\n"), addr);
}
void REGPARAM2 extendedkickmem_wput (uaecptr addr, uae_u32 b)
{
#ifdef JIT
	special_mem |= S_WRITE;
#endif
	if (currprefs.illegal_mem)
		write_log (_T("Illegal extendedkickmem wput at %08lx\n"), addr);
}
void REGPARAM2 extendedkickmem_bput (uaecptr addr, uae_u32 b)
{
#ifdef JIT
	special_mem |= S_WRITE;
#endif
	if (currprefs.illegal_mem)
		write_log (_T("Illegal extendedkickmem lput at %08lx\n"), addr);
}
int REGPARAM2 extendedkickmem_check (uaecptr addr, uae_u32 size)
{
	addr -= extendedkickmem_start & extendedkickmem_mask;
	addr &= extendedkickmem_mask;
	return (addr + size) <= extendedkickmem_size;
}
uae_u8 *REGPARAM2 extendedkickmem_xlate (uaecptr addr)
{
	addr -= extendedkickmem_start & extendedkickmem_mask;
	addr &= extendedkickmem_mask;
	return extendedkickmemory + addr;
}

static uae_u32 REGPARAM3 extendedkickmem2_lget (uaecptr) REGPARAM;
static uae_u32 REGPARAM3 extendedkickmem2_wget (uaecptr) REGPARAM;
static uae_u32 REGPARAM3 extendedkickmem2_bget (uaecptr) REGPARAM;
static void REGPARAM3 extendedkickmem2_lput (uaecptr, uae_u32) REGPARAM;
static void REGPARAM3 extendedkickmem2_wput (uaecptr, uae_u32) REGPARAM;
static void REGPARAM3 extendedkickmem2_bput (uaecptr, uae_u32) REGPARAM;
static int REGPARAM3 extendedkickmem2_check (uaecptr addr, uae_u32 size) REGPARAM;
static uae_u8 *REGPARAM3 extendedkickmem2_xlate (uaecptr addr) REGPARAM;
static uae_u32 REGPARAM2 extendedkickmem2_lget (uaecptr addr)
{
	uae_u32 *m;
	addr -= extendedkickmem2_start & extendedkickmem2_mask;
	addr &= extendedkickmem2_mask;
	m = (uae_u32 *)(extendedkickmemory2 + addr);
	return do_get_mem_long (m);
}
static uae_u32 REGPARAM2 extendedkickmem2_wget (uaecptr addr)
{
	uae_u16 *m;
	addr -= extendedkickmem2_start & extendedkickmem2_mask;
	addr &= extendedkickmem2_mask;
	m = (uae_u16 *)(extendedkickmemory2 + addr);
	return do_get_mem_word (m);
}
static uae_u32 REGPARAM2 extendedkickmem2_bget (uaecptr addr)
{
	addr -= extendedkickmem2_start & extendedkickmem2_mask;
	addr &= extendedkickmem2_mask;
	return extendedkickmemory2[addr];
}
static void REGPARAM2 extendedkickmem2_lput (uaecptr addr, uae_u32 b)
{
#ifdef JIT
	special_mem |= S_WRITE;
#endif
	if (currprefs.illegal_mem)
		write_log (_T("Illegal extendedkickmem2 lput at %08x\n"), addr);
}
static void REGPARAM2 extendedkickmem2_wput (uaecptr addr, uae_u32 b)
{
#ifdef JIT
	special_mem |= S_WRITE;
#endif
	if (currprefs.illegal_mem)
		write_log (_T("Illegal extendedkickmem2 wput at %08x\n"), addr);
}
static void REGPARAM2 extendedkickmem2_bput (uaecptr addr, uae_u32 b)
{
#ifdef JIT
	special_mem |= S_WRITE;
#endif
	if (currprefs.illegal_mem)
		write_log (_T("Illegal extendedkickmem2 lput at %08x\n"), addr);
}
static int REGPARAM2 extendedkickmem2_check (uaecptr addr, uae_u32 size)
{
	addr -= extendedkickmem2_start & extendedkickmem2_mask;
	addr &= extendedkickmem2_mask;
	return (addr + size) <= extendedkickmem2_size;
}
static uae_u8 *REGPARAM2 extendedkickmem2_xlate (uaecptr addr)
{
	addr -= extendedkickmem2_start & extendedkickmem2_mask;
	addr &= extendedkickmem2_mask;
	return extendedkickmemory2 + addr;
}


/* Default memory access functions */

int REGPARAM2 default_check (uaecptr a, uae_u32 b)
{
	return 0;
}

static int be_cnt;

uae_u8 *REGPARAM2 default_xlate (uaecptr a)
{
	if (quit_program == 0) {
		/* do this only in 68010+ mode, there are some tricky A500 programs.. */
		if ((currprefs.cpu_model > 68000 || !currprefs.cpu_compatible) && !currprefs.mmu_model) {
#if defined(ENFORCER)
			enforcer_disable ();
#endif

			if (be_cnt < 3) {
				int i, j;
				uaecptr a2 = a - 32;
				uaecptr a3 = m68k_getpc () - 32;
				write_log (_T("Your Amiga program just did something terribly stupid %08X PC=%08X\n"), a, M68K_GETPC);
				if (debugging || DEBUG_STUPID) {
					//activate_debugger ();
					m68k_dumpstate (0);
				}
				for (i = 0; i < 10; i++) {
					write_log (_T("%08X "), i >= 5 ? a3 : a2);
					for (j = 0; j < 16; j += 2) {
						write_log (_T(" %04X"), get_word (i >= 5 ? a3 : a2));
						if (i >= 5) a3 += 2; else a2 += 2;
					}
					write_log (_T("\n"));
				}
				memory_map_dump ();
			}
			be_cnt++;
			if (regs.s || be_cnt > 1000) {
				cpu_halt (3);
				be_cnt = 0;
			} else {
				regs.panic = 4;
				regs.panic_pc = m68k_getpc ();
				regs.panic_addr = a;
				set_special (SPCFLAG_BRK);
			}
		}
	}
	return kickmem_xlate (2); /* So we don't crash. */
}

/* Address banks */

addrbank dummy_bank = {
	dummy_lget, dummy_wget, dummy_bget,
	dummy_lput, dummy_wput, dummy_bput,
	default_xlate, dummy_check, NULL, NULL,
	dummy_lgeti, dummy_wgeti, ABFLAG_NONE
};

addrbank ones_bank = {
	ones_get, ones_get, ones_get,
	none_put, none_put, none_put,
	default_xlate, dummy_check, NULL, _T("Ones"),
	dummy_lgeti, dummy_wgeti, ABFLAG_NONE
};

addrbank chipmem_bank = {
	chipmem_lget, chipmem_wget, chipmem_bget,
	chipmem_lput, chipmem_wput, chipmem_bput,
	chipmem_xlate, chipmem_check, NULL, _T("Chip memory"),
	chipmem_lget, chipmem_wget, ABFLAG_RAM
};

addrbank chipmem_dummy_bank = {
	chipmem_dummy_lget, chipmem_dummy_wget, chipmem_dummy_bget,
	chipmem_dummy_lput, chipmem_dummy_wput, chipmem_dummy_bput,
	default_xlate, dummy_check, NULL, _T("Dummy Chip memory"),
	dummy_lgeti, dummy_wgeti, ABFLAG_IO
};


#ifdef AGA
addrbank chipmem_bank_ce2 = {
	chipmem_lget_ce2, chipmem_wget_ce2, chipmem_bget_ce2,
	chipmem_lput_ce2, chipmem_wput_ce2, chipmem_bput_ce2,
	chipmem_xlate, chipmem_check, NULL, _T("Chip memory (68020 'ce')"),
	chipmem_lget_ce2, chipmem_wget_ce2, ABFLAG_RAM
};
#endif

addrbank bogomem_bank = {
	bogomem_lget, bogomem_wget, bogomem_bget,
	bogomem_lput, bogomem_wput, bogomem_bput,
	bogomem_xlate, bogomem_check, NULL, _T("Slow memory"),
	bogomem_lget, bogomem_wget, ABFLAG_RAM
};

addrbank cardmem_bank = {
	cardmem_lget, cardmem_wget, cardmem_bget,
	cardmem_lput, cardmem_wput, cardmem_bput,
	cardmem_xlate, cardmem_check, NULL, _T("CDTV memory card"),
	cardmem_lget, cardmem_wget, ABFLAG_RAM
};

addrbank a3000lmem_bank = {
	a3000lmem_lget, a3000lmem_wget, a3000lmem_bget,
	a3000lmem_lput, a3000lmem_wput, a3000lmem_bput,
	a3000lmem_xlate, a3000lmem_check, NULL, _T("RAMSEY memory (low)"),
	a3000lmem_lget, a3000lmem_wget, ABFLAG_RAM
};

addrbank a3000hmem_bank = {
	a3000hmem_lget, a3000hmem_wget, a3000hmem_bget,
	a3000hmem_lput, a3000hmem_wput, a3000hmem_bput,
	a3000hmem_xlate, a3000hmem_check, NULL, _T("RAMSEY memory (high)"),
	a3000hmem_lget, a3000hmem_wget, ABFLAG_RAM
};

addrbank kickmem_bank = {
	kickmem_lget, kickmem_wget, kickmem_bget,
	kickmem_lput, kickmem_wput, kickmem_bput,
	kickmem_xlate, kickmem_check, NULL, _T("Kickstart ROM"),
	kickmem_lget, kickmem_wget, ABFLAG_ROM
};

addrbank kickram_bank = {
	kickmem_lget, kickmem_wget, kickmem_bget,
	kickmem2_lput, kickmem2_wput, kickmem2_bput,
	kickmem_xlate, kickmem_check, NULL, _T("Kickstart Shadow RAM"),
	kickmem_lget, kickmem_wget, ABFLAG_UNK | ABFLAG_SAFE
};

addrbank extendedkickmem_bank = {
	extendedkickmem_lget, extendedkickmem_wget, extendedkickmem_bget,
	extendedkickmem_lput, extendedkickmem_wput, extendedkickmem_bput,
	extendedkickmem_xlate, extendedkickmem_check, NULL, _T("Extended Kickstart ROM"),
	extendedkickmem_lget, extendedkickmem_wget, ABFLAG_ROM
};
addrbank extendedkickmem2_bank = {
	extendedkickmem2_lget, extendedkickmem2_wget, extendedkickmem2_bget,
	extendedkickmem2_lput, extendedkickmem2_wput, extendedkickmem2_bput,
	extendedkickmem2_xlate, extendedkickmem2_check, NULL, _T("Extended 2nd Kickstart ROM"),
	extendedkickmem2_lget, extendedkickmem2_wget, ABFLAG_ROM
};


static uae_u32 allocated_custmem1, allocated_custmem2;
static uae_u32 custmem1_mask, custmem2_mask;
static uae_u8 *custmem1, *custmem2;

static uae_u32 REGPARAM3 custmem1_lget (uaecptr) REGPARAM;
static uae_u32 REGPARAM3 custmem1_wget (uaecptr) REGPARAM;
static uae_u32 REGPARAM3 custmem1_bget (uaecptr) REGPARAM;
static void REGPARAM3 custmem1_lput (uaecptr, uae_u32) REGPARAM;
static void REGPARAM3 custmem1_wput (uaecptr, uae_u32) REGPARAM;
static void REGPARAM3 custmem1_bput (uaecptr, uae_u32) REGPARAM;
static int REGPARAM3 custmem1_check (uaecptr addr, uae_u32 size) REGPARAM;
static uae_u8 *REGPARAM3 custmem1_xlate (uaecptr addr) REGPARAM;

static uae_u32 REGPARAM2 custmem1_lget (uaecptr addr)
{
	uae_u8 *m;
	addr -= currprefs.custom_memory_addrs[0] & custmem1_mask;
	addr &= custmem1_mask;
	m = custmem1 + addr;
	return do_get_mem_long ((uae_u32 *)m);
}
static uae_u32 REGPARAM2 custmem1_wget (uaecptr addr)
{
	uae_u8 *m;
	addr -= currprefs.custom_memory_addrs[0] & custmem1_mask;
	addr &= custmem1_mask;
	m = custmem1 + addr;
	return do_get_mem_word ((uae_u16 *)m);
}
static uae_u32 REGPARAM2 custmem1_bget (uaecptr addr)
{
	addr -= currprefs.custom_memory_addrs[0] & custmem1_mask;
	addr &= custmem1_mask;
	return custmem1[addr];
}
static void REGPARAM2 custmem1_lput (uaecptr addr, uae_u32 l)
{
	uae_u8 *m;
	addr -= currprefs.custom_memory_addrs[0] & custmem1_mask;
	addr &= custmem1_mask;
	m = custmem1 + addr;
	do_put_mem_long ((uae_u32 *)m, l);
}
static void REGPARAM2 custmem1_wput (uaecptr addr, uae_u32 w)
{
	uae_u8 *m;
	addr -= currprefs.custom_memory_addrs[0] & custmem1_mask;
	addr &= custmem1_mask;
	m = custmem1 + addr;
	do_put_mem_word ((uae_u16 *)m, w);
}
static void REGPARAM2 custmem1_bput (uaecptr addr, uae_u32 b)
{
	addr -= currprefs.custom_memory_addrs[0] & custmem1_mask;
	addr &= custmem1_mask;
	custmem1[addr] = b;
}
static int REGPARAM2 custmem1_check (uaecptr addr, uae_u32 size)
{
	addr -= currprefs.custom_memory_addrs[0] & custmem1_mask;
	addr &= custmem1_mask;
	return (addr + size) <= currprefs.custom_memory_sizes[0];
}
static uae_u8 *REGPARAM2 custmem1_xlate (uaecptr addr)
{
	addr -= currprefs.custom_memory_addrs[0] & custmem1_mask;
	addr &= custmem1_mask;
	return custmem1 + addr;
}

static uae_u32 REGPARAM3 custmem2_lget (uaecptr) REGPARAM;
static uae_u32 REGPARAM3 custmem2_wget (uaecptr) REGPARAM;
static uae_u32 REGPARAM3 custmem2_bget (uaecptr) REGPARAM;
static void REGPARAM3 custmem2_lput (uaecptr, uae_u32) REGPARAM;
static void REGPARAM3 custmem2_wput (uaecptr, uae_u32) REGPARAM;
static void REGPARAM3 custmem2_bput (uaecptr, uae_u32) REGPARAM;
static int REGPARAM3 custmem2_check (uaecptr addr, uae_u32 size) REGPARAM;
static uae_u8 *REGPARAM3 custmem2_xlate (uaecptr addr) REGPARAM;

static uae_u32 REGPARAM2 custmem2_lget (uaecptr addr)
{
	uae_u8 *m;
	addr -= currprefs.custom_memory_addrs[1] & custmem2_mask;
	addr &= custmem2_mask;
	m = custmem2 + addr;
	return do_get_mem_long ((uae_u32 *)m);
}
static uae_u32 REGPARAM2 custmem2_wget (uaecptr addr)
{
	uae_u8 *m;
	addr -= currprefs.custom_memory_addrs[1] & custmem2_mask;
	addr &= custmem2_mask;
	m = custmem2 + addr;
	return do_get_mem_word ((uae_u16 *)m);
}
static uae_u32 REGPARAM2 custmem2_bget (uaecptr addr)
{
	addr -= currprefs.custom_memory_addrs[1] & custmem2_mask;
	addr &= custmem2_mask;
	return custmem2[addr];
}
static void REGPARAM2 custmem2_lput (uaecptr addr, uae_u32 l)
{
	uae_u8 *m;
	addr -= currprefs.custom_memory_addrs[1] & custmem2_mask;
	addr &= custmem2_mask;
	m = custmem2 + addr;
	do_put_mem_long ((uae_u32 *)m, l);
}
static void REGPARAM2 custmem2_wput (uaecptr addr, uae_u32 w)
{
	uae_u8 *m;
	addr -= currprefs.custom_memory_addrs[1] & custmem2_mask;
	addr &= custmem2_mask;
	m = custmem2 + addr;
	do_put_mem_word ((uae_u16 *)m, w);
}
static void REGPARAM2 custmem2_bput (uaecptr addr, uae_u32 b)
{
	addr -= currprefs.custom_memory_addrs[1] & custmem2_mask;
	addr &= custmem2_mask;
	custmem2[addr] = b;
}
static int REGPARAM2 custmem2_check (uaecptr addr, uae_u32 size)
{
	addr -= currprefs.custom_memory_addrs[1] & custmem2_mask;
	addr &= custmem2_mask;
	return (addr + size) <= currprefs.custom_memory_sizes[1];
}
static uae_u8 *REGPARAM2 custmem2_xlate (uaecptr addr)
{
	addr -= currprefs.custom_memory_addrs[1] & custmem2_mask;
	addr &= custmem2_mask;
	return custmem2 + addr;
}

addrbank custmem1_bank = {
	custmem1_lget, custmem1_wget, custmem1_bget,
	custmem1_lput, custmem1_wput, custmem1_bput,
	custmem1_xlate, custmem1_check, NULL, _T("Non-autoconfig RAM #1"),
	custmem1_lget, custmem1_wget, ABFLAG_RAM
};
addrbank custmem2_bank = {
	custmem2_lget, custmem2_wget, custmem2_bget,
	custmem2_lput, custmem2_wput, custmem2_bput,
	custmem2_xlate, custmem2_check, NULL, _T("Non-autoconfig RAM #2"),
	custmem2_lget, custmem2_wget, ABFLAG_RAM
};

#define fkickmem_size 524288
static int a3000_f0;
void a3000_fakekick (int map)
{
	static uae_u8 *kickstore;

#ifdef NATMEM_OFFSET
	protect_roms (false);
#endif
	if (map) {
		uae_u8 *fkickmemory = a3000lmemory + allocated_a3000lmem - fkickmem_size;
		if (fkickmemory[2] == 0x4e && fkickmemory[3] == 0xf9 && fkickmemory[4] == 0x00) {
			if (!kickstore)
				kickstore = xmalloc (uae_u8, fkickmem_size);
			memcpy (kickstore, kickmemory, fkickmem_size);
			if (fkickmemory[5] == 0xfc) {
				memcpy (kickmemory, fkickmemory, fkickmem_size / 2);
				memcpy (kickmemory + fkickmem_size / 2, fkickmemory, fkickmem_size / 2);
				extendedkickmem_size = 65536;
				extendedkickmem_mask = extendedkickmem_size - 1;
				extendedkickmemory = mapped_malloc (extendedkickmem_size, _T("rom_f0"));
				extendedkickmem_bank.baseaddr = extendedkickmemory;
				memcpy (extendedkickmemory, fkickmemory + fkickmem_size / 2, 65536);
				map_banks (&extendedkickmem_bank, 0xf0, 1, 1);
				a3000_f0 = 1;
			} else {
				memcpy (kickmemory, fkickmemory, fkickmem_size);
			}
		}
	} else {
		if (a3000_f0) {
			map_banks (&dummy_bank, 0xf0, 1, 1);
			mapped_free (extendedkickmemory);
			extendedkickmemory = NULL;
			a3000_f0 = 0;
		}
		if (kickstore)
			memcpy (kickmemory, kickstore, fkickmem_size);
		xfree (kickstore);
		kickstore = NULL;
	}
#ifdef NATMEM_OFFSET
	protect_roms (true);
#endif
}

static uae_char *kickstring = "exec.library";
static int read_kickstart (struct zfile *f, uae_u8 *mem, int size, int dochecksum, int noalias)
{
	uae_char buffer[20];
	int i, j, oldpos;
	int cr = 0, kickdisk = 0;

	if (size < 0) {
		zfile_fseek (f, 0, SEEK_END);
		size = zfile_ftell (f) & ~0x3ff;
		zfile_fseek (f, 0, SEEK_SET);
	}
	oldpos = zfile_ftell (f);
	i = zfile_fread (buffer, 1, 11, f);
	if (!memcmp (buffer, "KICK", 4)) {
		zfile_fseek (f, 512, SEEK_SET);
		kickdisk = 1;
#if 0
	} else if (size >= 524288 && !memcmp (buffer, "AMIG", 4)) {
		/* ReKick */
		zfile_fseek (f, oldpos + 0x6c, SEEK_SET);
		cr = 2;
#endif
	} else if (memcmp ((uae_char*)buffer, "AMIROMTYPE1", 11) != 0) {
		zfile_fseek (f, oldpos, SEEK_SET);
	} else {
		cloanto_rom = 1;
		cr = 1;
	}

	memset (mem, 0, size);
	for (i = 0; i < 8; i++)
		mem[size - 16 + i * 2 + 1] = 0x18 + i;
	mem[size - 20] = size >> 24;
	mem[size - 19] = size >> 16;
	mem[size - 18] = size >>  8;
	mem[size - 17] = size >>  0;

	i = zfile_fread (mem, 1, size, f);

	if (kickdisk && i > 262144)
		i = 262144;
#if 0
	if (i >= 262144 && (i != 262144 && i != 524288 && i != 524288 * 2 && i != 524288 * 4)) {
		notify_user (NUMSG_KSROMREADERROR);
		return 0;
	}
#endif
	if (i < size - 20)
		kickstart_fix_checksum (mem, size);

	j = 1;
	while (j < i)
		j <<= 1;
	i = j;

	if (!noalias && i == size / 2)
		memcpy (mem + size / 2, mem, size / 2);

	if (cr) {
		if (!decode_rom (mem, size, cr, i))
			return 0;
	}
	if (currprefs.cs_a1000ram) {
		int off = 0;
		a1000_bootrom = xcalloc (uae_u8, 262144);
		while (off + i < 262144) {
			memcpy (a1000_bootrom + off, kickmemory, i);
			off += i;
		}
		memset (kickmemory, 0, kickmem_size);
		a1000_handle_kickstart (1);
		dochecksum = 0;
		i = 524288;
	}

	for (j = 0; j < 256 && i >= 262144; j++) {
		if (!memcmp (mem + j, kickstring, strlen (kickstring) + 1))
			break;
	}

	if (j == 256 || i < 262144)
		dochecksum = 0;
	if (dochecksum)
		kickstart_checksum (mem, size);
	return i;
}

static bool load_extendedkickstart (const TCHAR *romextfile, int type)
{
	struct zfile *f;
	int size, off;
	bool ret = false;

	if (_tcslen (romextfile) == 0)
		return false;
#ifdef ARCADIA
	if (is_arcadia_rom (romextfile) == ARCADIA_BIOS) {
		extendedkickmem_type = EXTENDED_ROM_ARCADIA;
		return false;
	}
#endif
	f = read_rom_name (romextfile);
	if (!f) {
		notify_user (NUMSG_NOEXTROM);
		return false;
	}
	zfile_fseek (f, 0, SEEK_END);
	size = zfile_ftell (f);
	extendedkickmem_size = 524288;
	off = 0;
	if (type == 0) {
	if (currprefs.cs_cd32cd) {
		extendedkickmem_type = EXTENDED_ROM_CD32;
	} else if (currprefs.cs_cdtvcd || currprefs.cs_cdtvram) {
		extendedkickmem_type = EXTENDED_ROM_CDTV;
	} else if (size > 300000) {
		extendedkickmem_type = EXTENDED_ROM_CD32;
	} else if (need_uae_boot_rom () != 0xf00000) {
		extendedkickmem_type = EXTENDED_ROM_CDTV;
		}
	} else {
		extendedkickmem_type = type;
	}
	if (extendedkickmem_type) {
		zfile_fseek (f, off, SEEK_SET);
		switch (extendedkickmem_type) {
		case EXTENDED_ROM_CDTV:
			extendedkickmemory = mapped_malloc (extendedkickmem_size, _T("rom_f0"));
			extendedkickmem_bank.baseaddr = extendedkickmemory;
			extendedkickmem_start = 0xf00000;
			break;
		case EXTENDED_ROM_CD32:
			extendedkickmemory = mapped_malloc (extendedkickmem_size, _T("rom_e0"));
			extendedkickmem_bank.baseaddr = extendedkickmemory;
			extendedkickmem_start = 0xe00000;
			break;
		}
		if (extendedkickmemory) {
			read_kickstart (f, extendedkickmemory, extendedkickmem_size, 0, 1);
			extendedkickmem_mask = extendedkickmem_size - 1;
			ret = true;
		}
	}
	zfile_fclose (f);
	return ret;
}

static int patch_shapeshifter (uae_u8 *kickmemory)
{
	/* Patch Kickstart ROM for ShapeShifter - from Christian Bauer.
	 * Changes 'lea $400,a0' and 'lea $1000,a0' to 'lea $3000,a0' for
	 * ShapeShifter compatability.
	*/
	int i, patched = 0;
	uae_u8 kickshift1[] = { 0x41, 0xf8, 0x04, 0x00 };
	uae_u8 kickshift2[] = { 0x41, 0xf8, 0x10, 0x00 };
	uae_u8 kickshift3[] = { 0x43, 0xf8, 0x04, 0x00 };

	for (i = 0x200; i < 0x300; i++) {
		if (!memcmp (kickmemory + i, kickshift1, sizeof (kickshift1)) ||
			!memcmp (kickmemory + i, kickshift2, sizeof (kickshift2)) ||
			!memcmp (kickmemory + i, kickshift3, sizeof (kickshift3))) {
				kickmemory[i + 2] = 0x30;
				write_log (_T("Kickstart KickShifted @%04X\n"), i);
				patched++;
		}
	}
	return patched;
}

/* disable incompatible drivers */
static int patch_residents (uae_u8 *kickmemory, int size)
{
	int i, j, patched = 0;
	uae_char *residents[] = { "NCR scsi.device", 0 };
	// "scsi.device", "carddisk.device", "card.resource" };
	uaecptr base = size == 524288 ? 0xf80000 : 0xfc0000;

	if (currprefs.cs_mbdmac == 2)
		residents[0] = NULL;
	for (i = 0; i < size - 100; i++) {
		if (kickmemory[i] == 0x4a && kickmemory[i + 1] == 0xfc) {
			uaecptr addr;
			addr = (kickmemory[i + 2] << 24) | (kickmemory[i + 3] << 16) | (kickmemory[i + 4] << 8) | (kickmemory[i + 5] << 0);
			if (addr != i + base)
				continue;
			addr = (kickmemory[i + 14] << 24) | (kickmemory[i + 15] << 16) | (kickmemory[i + 16] << 8) | (kickmemory[i + 17] << 0);
			if (addr >= base && addr < base + size) {
				j = 0;
				while (residents[j]) {
					if (!memcmp (residents[j], kickmemory + addr - base, strlen (residents[j]) + 1)) {
						TCHAR *s = au (residents[j]);
						write_log (_T("KSPatcher: '%s' at %08X disabled\n"), s, i + base);
						xfree (s);
						kickmemory[i] = 0x4b; /* destroy RTC_MATCHWORD */
						patched++;
						break;
					}
					j++;
				}
			}
		}
	}
	return patched;
}

static void patch_kick (void)
{
	int patched = 0;
	if (kickmem_size >= 524288 && currprefs.kickshifter)
		patched += patch_shapeshifter (kickmemory);
	patched += patch_residents (kickmemory, kickmem_size);
	if (extendedkickmemory) {
		patched += patch_residents (extendedkickmemory, extendedkickmem_size);
		if (patched)
			kickstart_fix_checksum (extendedkickmemory, extendedkickmem_size);
	}
	if (patched)
		kickstart_fix_checksum (kickmemory, kickmem_size);
}

extern unsigned char arosrom[];
extern unsigned int arosrom_len;

static bool load_kickstart_replacement (void)
{
	struct zfile *f = NULL;

	f = zfile_fopen_data (_T("aros.gz"), arosrom_len, arosrom);
	if (!f)
		return false;
	f = zfile_gunzip (f, NULL);
	if (!f)
		return false;
	kickmem_mask = 0x80000 - 1;
	kickmem_size = 0x80000;
	extendedkickmem_size = 0x80000;
	extendedkickmem_type = EXTENDED_ROM_KS;
	extendedkickmemory = mapped_malloc (extendedkickmem_size, _T("rom_e0"));
	extendedkickmem_bank.baseaddr = extendedkickmemory;
	read_kickstart (f, extendedkickmemory, extendedkickmem_size, 0, 1);
	extendedkickmem_mask = extendedkickmem_size - 1;
	read_kickstart (f, kickmemory, 0x80000, 1, 0);
	zfile_fclose (f);

	return true;
}

static int load_kickstart (void)
{
	struct zfile *f;
	TCHAR tmprom[MAX_DPATH], tmprom2[MAX_DPATH];
	int patched = 0;

	cloanto_rom = 0;
	if (!_tcscmp (currprefs.romfile, _T(":AROS")))
		return load_kickstart_replacement ();
	f = read_rom_name (currprefs.romfile);
	_tcscpy (tmprom, currprefs.romfile);
	if (f == NULL) {
		_stprintf (tmprom2, _T("%s%s"), start_path_data, currprefs.romfile);
		f = rom_fopen (tmprom2, _T("rb"), ZFD_NORMAL);
		if (f == NULL) {
			_stprintf (currprefs.romfile, _T("%sroms/kick.rom"), start_path_data);
			f = rom_fopen (currprefs.romfile, _T("rb"), ZFD_NORMAL);
			if (f == NULL) {
				_stprintf (currprefs.romfile, _T("%skick.rom"), start_path_data);
				f = rom_fopen (currprefs.romfile, _T("rb"), ZFD_NORMAL);
				if (f == NULL) {
					_stprintf (currprefs.romfile, _T("%s../shared/rom/kick.rom"), start_path_data);
					f = rom_fopen (currprefs.romfile, _T("rb"), ZFD_NORMAL);
					if (f == NULL) {
						_stprintf (currprefs.romfile, _T("%s../System/rom/kick.rom"), start_path_data);
						f = rom_fopen (currprefs.romfile, _T("rb"), ZFD_NORMAL);
						if (f == NULL)
							f = read_rom_name_guess (tmprom);
					}
				}
			}
		} else {
			_tcscpy (currprefs.romfile, tmprom2);
		}
	}
	addkeydir (currprefs.romfile);
	if (f == NULL) /* still no luck */
		goto err;

	if (f != NULL) {
		int filesize, size, maxsize;
		int kspos = 524288;
		int extpos = 0;

		maxsize = 524288;
		zfile_fseek (f, 0, SEEK_END);
		filesize = zfile_ftell (f);
		zfile_fseek (f, 0, SEEK_SET);
		if (filesize == 1760 * 512) {
			filesize = 262144;
			maxsize = 262144;
		}
		if (filesize == 524288 + 8) {
			/* GVP 0xf0 kickstart */
			zfile_fseek (f, 8, SEEK_SET);
		}
		if (filesize >= 524288 * 2) {
			struct romdata *rd = getromdatabyzfile(f);
			zfile_fseek (f, kspos, SEEK_SET);
		}
		if (filesize >= 524288 * 4) {
			kspos = 524288 * 3;
			extpos = 0;
			zfile_fseek (f, kspos, SEEK_SET);
		}
		size = read_kickstart (f, kickmemory, maxsize, 1, 0);
		if (size == 0)
			goto err;
		kickmem_mask = size - 1;
		kickmem_size = size;
		if (filesize >= 524288 * 2 && !extendedkickmem_type) {
			extendedkickmem_size = 0x80000;
			if (currprefs.cs_cdtvcd || currprefs.cs_cdtvram) {
				extendedkickmem_type = EXTENDED_ROM_CDTV;
				extendedkickmem_size *= 2;
				extendedkickmemory = mapped_malloc (extendedkickmem_size, _T("rom_f0"));
				extendedkickmem_start = 0xf00000;
			} else {
				extendedkickmem_type = EXTENDED_ROM_KS;
				extendedkickmemory = mapped_malloc (extendedkickmem_size, _T("rom_e0"));
				extendedkickmem_start = 0xe00000;
			}
			extendedkickmem_bank.baseaddr = extendedkickmemory;
			zfile_fseek (f, extpos, SEEK_SET);
			read_kickstart (f, extendedkickmemory, extendedkickmem_size, 0, 1);
			extendedkickmem_mask = extendedkickmem_size - 1;
		}
		if (filesize > 524288 * 2) {
			extendedkickmem2_size = 524288 * 2;
			extendedkickmemory2 = mapped_malloc (extendedkickmem2_size, _T("rom_a8"));
			extendedkickmem2_bank.baseaddr = extendedkickmemory2;
			zfile_fseek (f, extpos + 524288, SEEK_SET);
			read_kickstart (f, extendedkickmemory2, 524288, 0, 1);
			zfile_fseek (f, extpos + 524288 * 2, SEEK_SET);
			read_kickstart (f, extendedkickmemory2 + 524288, 524288, 0, 1);
			extendedkickmem2_mask = extendedkickmem2_size - 1;
			extendedkickmem2_start = 0xa80000;
		}
	}

#if defined(AMIGA)
chk_sum:
#endif

	kickstart_version = (kickmemory[12] << 8) | kickmemory[13];
	if (kickstart_version == 0xffff)
		kickstart_version = 0;
	zfile_fclose (f);
	return 1;
err:
	_tcscpy (currprefs.romfile, tmprom);
	zfile_fclose (f);
	return 0;
}

#ifndef NATMEM_OFFSET

uae_u8 *mapped_malloc (size_t s, const TCHAR *file)
{
	return xmalloc (uae_u8, s);
}

void mapped_free (uae_u8 *p)
{
	xfree (p);
}

#else

#include <sys/ipc.h>
#include <sys/shm.h>
#include <unistd.h>
#include <sys/mman.h>

shmpiece *shm_start;

static void dumplist (void)
{
	shmpiece *x = shm_start;
	write_log (_T("Start Dump:\n"));
	while (x) {
		write_log (_T("this=%p,Native %p,id %d,prev=%p,next=%p,size=0x%08x\n"),
			x, x->native_address, x->id, x->prev, x->next, x->size);
		x = x->next;
	}
	write_log (_T("End Dump:\n"));
}

/*
 * find_shmpiece()
 *
 * Locate the shmpiece node describing the block of memory mapped
 * at the *host* address <base>.
 * Returns a pointer to shmpiece describing that block if found.
 * If nothing is mapped at <base> then, direct memory access will
 * be disabled for the VM and 0 will be returned.
 */
static shmpiece *find_shmpiece (uae_u8 *base, bool safe)
{
	shmpiece *x = shm_start;

	while (x && x->native_address != base)
		x = x->next;
	if (!x) {
		if (safe || bogomem_aliasing)
			return 0;
		write_log (_T("NATMEM: Failure to find mapping at %08X, %p\n"), base - NATMEM_OFFSET, base);
		nocanbang ();
		return 0;
	}
	return x;
}

/*
 * delete_shmmaps()
 *
 * Unmap any memory blocks remapped in the VM address range
 * <start> to <start+size> via add_shmmaps().
 * Any anomalies found when processing this range, will cause direct
 * memory access to be disabled in the VM.
 */
static void delete_shmmaps (uae_u32 start, uae_u32 size)
{
	if (!needmman ())
		return;

	while (size) {
		uae_u8 *base = mem_banks[bankindex (start)]->baseaddr; // find host address of start of this block of memory
		if (base) {
			shmpiece *x;
			//base = ((uae_u8*)NATMEM_OFFSET)+start; // get host address it has been remapped at

			x = find_shmpiece (base, true); // and locate the corresponding shmpiece node
			if (!x)
				return;

			if (x->size > size) {
				if (isdirectjit ())
					write_log (_T("NATMEM WARNING: size mismatch mapping at %08x (size %08x, delsize %08x)\n"),start,x->size,size);
				size = x->size;
			}
#if 0
			dumplist ();
			nocanbang ();
			return;
		}
#endif
		my_shmdt (x->native_address);
		size -= x->size;
		start += x->size;
		if (x->next)
			x->next->prev = x->prev;	/* remove this one from the list */
		if (x->prev)
			x->prev->next = x->next;
		else
			shm_start = x->next;
		xfree (x);
	} else {
		/* no host memory mapped at that address - try next bank */
		size -= 0x10000;
		start += 0x10000;
	}
}
}

/* add_shmmaps()
 *
 * Map the block of shared memory attached to bank <what> in host
 * memory so that it can be accessed by the VM using direct memory
 * access at the VM address <start>.
 */
static void add_shmmaps (uae_u32 start, addrbank *what)
{
	shmpiece *x = shm_start;
	shmpiece *y;
	uae_u8 *base = what->baseaddr; // Host address of memory in this bank

	if (!needmman ())
		return;

	if (!base)
		return; // Nothing to do. There is no actual host memory attached to this bank.

	x = find_shmpiece (base, false); // Find the block's current shmpiece node.
	if (!x)
		return;
	y = xmalloc (shmpiece, 1); // Create another shmpiece node for the new mapping
	*y = *x;
	base = NATMEM_OFFSET + start;
	y->native_address = (uae_u8*)my_shmat (y->id, base, 0);
	if (y->native_address == (void *) -1) {
		write_log (_T("NATMEM: Failure to map id %d existing at %08x (%p):%d "), y->id, start, base, errno);
		if (errno == 12) write_log ("(Can't allocate memory)\n");
		else if (errno == 13) write_log ("(Permission denied)\n");
		else if (errno == 22) write_log ("(Invalid argument)\n");
		else if (errno == 24) write_log ("(Too many open files)\n");
		else write_log("\n");
		dumplist ();
		nocanbang ();
		return;
	}
	y->next = shm_start;
	y->prev = NULL;
	if (y->next)
		y->next->prev = y;
	shm_start = y;
}

/*
 * mapped_malloc()
 *
 * Allocate <size> bytes of memory for the VM.
 * If VM supports direct memory access, allocate the memory
 * in such a way (using shared memory) that it can later be
 * remapped to a different host address and thus support direct
 * access via the VM.
 * This will also create a valid shmpiece node describing
 * this block of memory, and add to the global list of shared memory
 * blocks.
 * If allocation of remappable shared memory fails for some reason,
 * direct memory access will be disabled and memory allocated via
 * malloc().
 */
uae_u8 *mapped_malloc (size_t s, const TCHAR *file)
{
	int id;
	void *answer;
	shmpiece *x;
	static int recurse;

	if (!needmman ()) {
		nocanbang ();
		return xcalloc (uae_u8, s + 4);
	}

	id = my_shmget (1, s, 0x1ff, file);
	if (id == -1) {
		// Failed to allocate new shared mem segment, so turn
		// off direct memory access and fall back on regular malloc()
		uae_u8 *p;
		nocanbang ();
		if (recurse)
			return NULL;
		recurse++;
		p = mapped_malloc (s, file);
		recurse--;
		return p;
	}
	answer = my_shmat (id, 0, 0);	// Attach this segment at an arbitrary address - use
					// add_shmmap() to map it where it needs to be later.
	my_shmctl (id, IPC_RMID, NULL);
	if (answer != (void *) -1) {
		x = xmalloc (shmpiece, 1);
		x->native_address = (uae_u8*)answer;
		x->id = id;
		x->size = s;
		x->name = file;
		x->next = shm_start;
		x->prev = NULL;
		if (x->next)
			x->next->prev = x;
		shm_start = x;
		return (uae_u8*)answer;
	}
	if (recurse)
		return NULL;
	nocanbang ();
	recurse++;
	uae_u8 *r =  mapped_malloc (s, file);
	recurse--;
	return r;
}

#endif

static void init_mem_banks (void)
{
	uae_u32 i;

	for (i = 0; i < MEMORY_BANKS; i++)
		put_mem_bank (i << 16, &dummy_bank, 0);

#ifdef NATMEM_OFFSET
	delete_shmmaps (0, 0xFFFF0000);
#endif
}

static void allocate_memory (void)
{
	bogomem_aliasing = false;
	/* emulate 0.5M+0.5M with 1M Agnus chip ram aliasing */
	if (currprefs.chipmem_size == 0x80000 && currprefs.bogomem_size >= 0x80000 &&
		(currprefs.chipset_mask & CSMASK_ECS_AGNUS) && !(currprefs.chipset_mask & CSMASK_AGA) && currprefs.cpu_model < 68020) {
			if ((allocated_chipmem != currprefs.chipmem_size || allocated_bogomem != currprefs.bogomem_size)) {
			int memsize1, memsize2;
			if (chipmemory)
				mapped_free (chipmemory);
			chipmemory = 0;
			if (bogomemory_allocated)
				mapped_free (bogomemory);
			bogomemory = 0;
			bogomemory_allocated = 0;
			memsize1 = allocated_chipmem = currprefs.chipmem_size;
			memsize2 = allocated_bogomem = currprefs.bogomem_size;
			chipmem_mask = allocated_chipmem - 1;
			chipmem_full_mask = allocated_chipmem * 2 - 1;
			chipmem_full_size = 0x80000 * 2;
			chipmemory = mapped_malloc (memsize1 + memsize2, _T("chip"));
			bogomemory = chipmemory + memsize1;
			bogomem_mask = allocated_bogomem - 1;
			if (chipmemory == 0) {
				write_log (_T("Fatal error: out of memory for chipmem.\n"));
				allocated_chipmem = 0;
			} else {
					need_hardreset = true;
			}
	}
			bogomem_aliasing = true;
	}

	if (allocated_chipmem != currprefs.chipmem_size) {
		uae_u32 memsize = 0;
		if (chipmemory)
			mapped_free (chipmemory);
		chipmemory = 0;
		if (currprefs.chipmem_size > 2 * 1024 * 1024)
			free_fastmemory ();

		memsize = allocated_chipmem = chipmem_full_size = currprefs.chipmem_size;
		chipmem_full_mask = chipmem_mask = allocated_chipmem - 1;
		if (!currprefs.cachesize && memsize < 0x100000)
			memsize = 0x100000;
		if (memsize > 0x100000 && memsize < 0x200000)
			memsize = 0x200000;
		chipmemory = mapped_malloc (memsize, _T("chip"));
		if (chipmemory == 0) {
			write_log (_T("Fatal error: out of memory for chipmem.\n"));
			allocated_chipmem = 0;
		} else {
			need_hardreset = true;
			if (memsize > allocated_chipmem)
				memset (chipmemory + allocated_chipmem, 0xff, memsize - allocated_chipmem);
		}
		currprefs.chipset_mask = changed_prefs.chipset_mask;
		chipmem_full_mask = allocated_chipmem - 1;
		if ((currprefs.chipset_mask & CSMASK_ECS_AGNUS) && !currprefs.cachesize) {
			if (allocated_chipmem < 0x100000)
				chipmem_full_mask = 0x100000 - 1;
			if (allocated_chipmem > 0x100000 && allocated_chipmem < 0x200000)
				chipmem_full_mask = chipmem_mask = 0x200000 - 1;
		}
	}

	if (allocated_bogomem != currprefs.bogomem_size) {
		if (!(allocated_bogomem == 0x200000 && currprefs.bogomem_size == 0x180000)) {
			if (bogomemory_allocated)
				mapped_free (bogomemory);
			bogomemory = 0;
			bogomemory_allocated = 0;

			allocated_bogomem = currprefs.bogomem_size;
			if (allocated_bogomem >= 0x180000)
				allocated_bogomem = 0x200000;
			bogomem_mask = allocated_bogomem - 1;

			if (allocated_bogomem) {
				bogomemory = mapped_malloc (allocated_bogomem, _T("bogo"));
				if (bogomemory == 0) {
					write_log (_T("Out of memory for bogomem.\n"));
					allocated_bogomem = 0;
				}
			}
			need_hardreset = true;
		}
	}
	if (allocated_a3000lmem != currprefs.mbresmem_low_size) {
		if (a3000lmemory)
			mapped_free (a3000lmemory);
		a3000lmemory = 0;

		allocated_a3000lmem = currprefs.mbresmem_low_size;
		a3000lmem_mask = allocated_a3000lmem - 1;
		a3000lmem_start = 0x08000000 - allocated_a3000lmem;
		if (allocated_a3000lmem) {
			a3000lmemory = mapped_malloc (allocated_a3000lmem, _T("ramsey_low"));
			if (a3000lmemory == 0) {
				write_log (_T("Out of memory for a3000lowmem.\n"));
				allocated_a3000lmem = 0;
			}
		}
		need_hardreset = true;
	}
	if (allocated_a3000hmem != currprefs.mbresmem_high_size) {
		if (a3000hmemory)
			mapped_free (a3000hmemory);
		a3000hmemory = 0;

		allocated_a3000hmem = currprefs.mbresmem_high_size;
		a3000hmem_mask = allocated_a3000hmem - 1;
		a3000hmem_start = 0x08000000;
		if (allocated_a3000hmem) {
			a3000hmemory = mapped_malloc (allocated_a3000hmem, _T("ramsey_high"));
			if (a3000hmemory == 0) {
				write_log (_T("Out of memory for a3000highmem.\n"));
				allocated_a3000hmem = 0;
			}
		}
		need_hardreset = true;
	}
#ifdef CDTV
	if ((int)allocated_cardmem != currprefs.cs_cdtvcard * 1024) {
		if (cardmemory)
			mapped_free (cardmemory);
		cardmemory = 0;

		allocated_cardmem = currprefs.cs_cdtvcard * 1024;
		cardmem_mask = allocated_cardmem - 1;
		if (allocated_cardmem) {
			cardmemory = mapped_malloc (allocated_cardmem, _T("rom_e0"));
			if (cardmemory == 0) {
				write_log (_T("Out of memory for cardmem.\n"));
				allocated_cardmem = 0;
			}
		}
		cdtv_loadcardmem(cardmemory, allocated_cardmem);
	}
#endif
	if (allocated_custmem1 != currprefs.custom_memory_sizes[0]) {
		if (custmem1)
			mapped_free (custmem1);
		custmem1 = 0;
		allocated_custmem1 = currprefs.custom_memory_sizes[0];
		custmem1_mask = allocated_custmem1 - 1;
		if (allocated_custmem1) {
			custmem1 = mapped_malloc (allocated_custmem1, _T("custmem1"));
			if (!custmem1)
				allocated_custmem1 = 0;
		}
	}
	if (allocated_custmem2 != currprefs.custom_memory_sizes[1]) {
		if (custmem2)
			mapped_free (custmem2);
		custmem2 = 0;
		allocated_custmem2 = currprefs.custom_memory_sizes[1];
		custmem2_mask = allocated_custmem2 - 1;
		if (allocated_custmem2) {
			custmem2 = mapped_malloc (allocated_custmem2, _T("custmem2"));
			if (!custmem2)
				allocated_custmem2 = 0;
		}
	}

#ifdef SAVESTATE
	if (savestate_state == STATE_RESTORE) {
		if (bootrom_filepos) {
#ifdef NATMEM_OFFSET
			protect_roms (false);
#endif
			restore_ram (bootrom_filepos, rtarea);
#ifdef NATMEM_OFFSET
			protect_roms (true);
#endif
		}
		restore_ram (chip_filepos, chipmemory);
		if (allocated_bogomem > 0)
			restore_ram (bogo_filepos, bogomemory);
		if (allocated_a3000lmem > 0)
			restore_ram (a3000lmem_filepos, a3000lmemory);
		if (allocated_a3000hmem > 0)
			restore_ram (a3000hmem_filepos, a3000hmemory);
	}
#endif
	chipmem_bank.baseaddr = chipmemory;
#ifdef AGA
	chipmem_bank_ce2.baseaddr = chipmemory;
#endif
	bogomem_bank.baseaddr = bogomemory;
	a3000lmem_bank.baseaddr = a3000lmemory;
	a3000hmem_bank.baseaddr = a3000hmemory;
	cardmem_bank.baseaddr = cardmemory;
	bootrom_filepos = 0;
	chip_filepos = 0;
	bogo_filepos = 0;
	a3000lmem_filepos = 0;
	a3000hmem_filepos = 0;
}

static void fill_ce_banks (void)
{
	int i;

	memset (ce_banktype, CE_MEMBANK_FAST, sizeof ce_banktype);
	// data cachable regions
	memset (ce_cachable, 0, sizeof ce_cachable);
	memset (ce_cachable + (0x00200000 >> 16), 1, currprefs.fastmem_size >> 16);
	memset (ce_cachable + (0x00c00000 >> 16), 1, currprefs.bogomem_size >> 16);
	memset (ce_cachable + (z3fastmem_start >> 16), 1, currprefs.z3fastmem_size >> 16);
	memset (ce_cachable + (z3fastmem2_start >> 16), 1, currprefs.z3fastmem2_size >> 16);

	if (&get_mem_bank (0) == &chipmem_bank) {
		for (i = 0; i < (0x200000 >> 16); i++)
			ce_banktype[i] = CE_MEMBANK_CHIP;
	}
	if (!currprefs.cs_slowmemisfast) {
		for (i = (0xc00000 >> 16); i < (0xe00000 >> 16); i++)
			ce_banktype[i] = CE_MEMBANK_CHIP;
	}
	for (i = (0xd00000 >> 16); i < (0xe00000 >> 16); i++)
		ce_banktype[i] = CE_MEMBANK_CHIP;
	for (i = (0xa00000 >> 16); i < (0xc00000 >> 16); i++) {
		addrbank *b;
		ce_banktype[i] = CE_MEMBANK_CIA;
		b = &get_mem_bank (i << 16);
		if (b != &cia_bank) {
			ce_banktype[i] = CE_MEMBANK_FAST;
			ce_cachable[i] = 1;
		}
	}
	// CD32 ROM is 16-bit
	if (currprefs.cs_cd32cd) {
		for (i = (0xe00000 >> 16); i < (0xe80000 >> 16); i++)
			ce_banktype[i] = CE_MEMBANK_FAST16BIT;
		for (i = (0xf80000 >> 16); i <= (0xff0000 >> 16); i++)
			ce_banktype[i] = CE_MEMBANK_FAST16BIT;
	}
	if (currprefs.address_space_24) {
		for (i = 1; i < 256; i++)
			memcpy (&ce_banktype[i * 256], &ce_banktype[0], 256);
	}
}

void map_overlay (int chip)
{
	int size;
	addrbank *cb;

	size = allocated_chipmem >= 0x180000 ? (allocated_chipmem >> 16) : 32;
	cb = &chipmem_bank;
#ifdef AGA
#if 0
	if (currprefs.cpu_cycle_exact && currprefs.cpu_model >= 68020)
		cb = &chipmem_bank_ce2;
#endif
#endif
	if (chip) {
		map_banks (&dummy_bank, 0, 32, 0);
		if (!isdirectjit ()) {
			map_banks (cb, 0, size, allocated_chipmem);
			if ((currprefs.chipset_mask & CSMASK_ECS_AGNUS) && allocated_bogomem == 0) {
				int start = allocated_chipmem >> 16;
				if (allocated_chipmem < 0x100000) {
					int dummy = (0x100000 - allocated_chipmem) >> 16;
					map_banks (&chipmem_dummy_bank, start, dummy, 0);
					map_banks (&chipmem_dummy_bank, start + 16, dummy, 0);
				} else if (allocated_chipmem < 0x200000 && allocated_chipmem > 0x100000) {
					int dummy = (0x200000 - allocated_chipmem) >> 16;
					map_banks (&chipmem_dummy_bank, start, dummy, 0);
				}
			}
		} else {
			map_banks (cb, 0, allocated_chipmem >> 16, 0);
		}
	} else {
		addrbank *rb = NULL;
		if (size < 32)
			size = 32;
		cb = &get_mem_bank (0xf00000);
		if (!rb && cb && (cb->flags & ABFLAG_ROM) && get_word (0xf00000) == 0x1114)
			rb = cb;
		cb = &get_mem_bank (0xe00000);
		if (!rb && cb && (cb->flags & ABFLAG_ROM) && get_word (0xe00000) == 0x1114)
			rb = cb;
		if (!rb)
			rb = &kickmem_bank;
		map_banks (rb, 0, size, 0x80000);
	}
	fill_ce_banks ();
	if (!isrestore () && valid_address (regs.pc, 4))
		m68k_setpc (m68k_getpc ());
}

uae_s32 getz2size (struct uae_prefs *p)
{
	ULONG start;
	start = p->fastmem_size;
	if (p->rtgmem_size && !p->rtgmem_type) {
		while (start & (p->rtgmem_size - 1) && start < 8 * 1024 * 1024)
			start += 1024 * 1024;
		if (start + p->rtgmem_size > 8 * 1024 * 1024)
			return -1;
	}
	start += p->rtgmem_size;
	return start;
}

ULONG getz2endaddr (void)
{
	ULONG start;
	start = currprefs.fastmem_size;
	if (currprefs.rtgmem_size && !currprefs.rtgmem_type) {
		if (!start)
			start = 0x00200000;
		while (start & (currprefs.rtgmem_size - 1) && start < 4 * 1024 * 1024)
			start += 1024 * 1024;
	}
	return start + 2 * 1024 * 1024;
}

void memory_clear (void)
{
	mem_hardreset = 0;
	if (savestate_state == STATE_RESTORE)
		return;
	if (chipmemory)
		memset (chipmemory, 0, allocated_chipmem);
	if (bogomemory)
		memset (bogomemory, 0, allocated_bogomem);
	if (a3000lmemory)
		memset (a3000lmemory, 0, allocated_a3000lmem);
	if (a3000hmemory)
		memset (a3000hmemory, 0, allocated_a3000hmem);
	expansion_clear ();
}

#ifdef __LIBRETRO__
int romnotfound=0;
#endif

void memory_reset (void)
{
	int bnk, bnk_end;
	bool gayleorfatgary;

	need_hardreset = false;
	rom_write_enabled = true;
	/* Use changed_prefs, as m68k_reset is called later.  */
	if (last_address_space_24 != changed_prefs.address_space_24)
		need_hardreset = true;
	last_address_space_24 = changed_prefs.address_space_24;

	if (mem_hardreset > 2)
		memory_init ();

	be_cnt = 0;
	currprefs.chipmem_size = changed_prefs.chipmem_size;
	currprefs.bogomem_size = changed_prefs.bogomem_size;
	currprefs.mbresmem_low_size = changed_prefs.mbresmem_low_size;
	currprefs.mbresmem_high_size = changed_prefs.mbresmem_high_size;
	currprefs.cs_ksmirror_e0 = changed_prefs.cs_ksmirror_e0;
	currprefs.cs_ksmirror_a8 = changed_prefs.cs_ksmirror_a8;
	currprefs.cs_ciaoverlay = changed_prefs.cs_ciaoverlay;
	currprefs.cs_cdtvram = changed_prefs.cs_cdtvram;
	currprefs.cs_cdtvcard = changed_prefs.cs_cdtvcard;
	currprefs.cs_a1000ram = changed_prefs.cs_a1000ram;
	currprefs.cs_ide = changed_prefs.cs_ide;
	currprefs.cs_fatgaryrev = changed_prefs.cs_fatgaryrev;
	currprefs.cs_ramseyrev = changed_prefs.cs_ramseyrev;

	gayleorfatgary = (currprefs.chipset_mask & CSMASK_AGA) || currprefs.cs_pcmcia || currprefs.cs_ide > 0 || currprefs.cs_mbdmac;

	init_mem_banks ();
	allocate_memory ();
	chipmem_setindirect ();

	if (mem_hardreset > 1
		|| _tcscmp (currprefs.romfile, changed_prefs.romfile) != 0
		|| _tcscmp (currprefs.romextfile, changed_prefs.romextfile) != 0)
	{
#ifdef NATMEM_OFFSET
		protect_roms (false);
#endif
		write_log (_T("ROM loader.. (%s)\n"), currprefs.romfile);
		kickstart_rom = 1;
		a1000_handle_kickstart (0);
		xfree (a1000_bootrom);
		a1000_bootrom = 0;
		a1000_kickstart_mode = 0;

		memcpy (currprefs.romfile, changed_prefs.romfile, sizeof currprefs.romfile);
		memcpy (currprefs.romextfile, changed_prefs.romextfile, sizeof currprefs.romextfile);
		need_hardreset = true;
		mapped_free (extendedkickmemory);
		extendedkickmemory = 0;
		extendedkickmem_size = 0;
		extendedkickmemory2 = 0;
		extendedkickmem2_size = 0;
		extendedkickmem_type = 0;
		load_extendedkickstart (currprefs.romextfile, 0);
		load_extendedkickstart (currprefs.romextfile2, EXTENDED_ROM_CDTV);
		kickmem_mask = 524288 - 1;
		if (!load_kickstart ()) {
			if (_tcslen (currprefs.romfile) > 0) {
				write_log (_T("Failed to open '%s'\n"), currprefs.romfile);
				notify_user (NUMSG_NOROM);
#ifdef __LIBRETRO__
				romnotfound=1;
#endif
			}
			load_kickstart_replacement ();
		} else {
			struct romdata *rd = getromdatabydata (kickmemory, kickmem_size);
			if (rd) {
				write_log (_T("Known ROM '%s' loaded\n"), rd->name);
				if ((rd->cpu & 8) && changed_prefs.cpu_model < 68030) {
					notify_user (NUMSG_KS68030PLUS);
					uae_restart (-1, NULL);
				} else if ((rd->cpu & 3) == 3 && changed_prefs.cpu_model != 68030) {
					notify_user (NUMSG_KS68030);
					uae_restart (-1, NULL);
				} else if ((rd->cpu & 3) == 1 && changed_prefs.cpu_model < 68020) {
					notify_user (NUMSG_KS68EC020);
					uae_restart (-1, NULL);
				} else if ((rd->cpu & 3) == 2 && (changed_prefs.cpu_model < 68020 || changed_prefs.address_space_24)) {
					notify_user (NUMSG_KS68020);
					uae_restart (-1, NULL);
				}
				if (rd->cloanto)
					cloanto_rom = 1;
				kickstart_rom = 0;
				if ((rd->type & (ROMTYPE_SPECIALKICK | ROMTYPE_KICK)) == ROMTYPE_KICK)
					kickstart_rom = 1;
				if ((rd->cpu & 4) && currprefs.cs_compatible) {
					/* A4000 ROM = need ramsey, gary and ide */
					if (currprefs.cs_ramseyrev < 0)
						changed_prefs.cs_ramseyrev = currprefs.cs_ramseyrev = 0x0f;
					changed_prefs.cs_fatgaryrev = currprefs.cs_fatgaryrev = 0;
					if (currprefs.cs_ide != IDE_A4000)
						changed_prefs.cs_ide = currprefs.cs_ide = -1;
				}
			} else {
				write_log (_T("Unknown ROM '%s' loaded\n"), currprefs.romfile);
			}
		}
		patch_kick ();
		write_log (_T("ROM loader end\n"));
#ifdef NATMEM_OFFSET
		protect_roms (true);
#endif
	}

	if ((cloanto_rom || extendedkickmem_size) && currprefs.maprom && currprefs.maprom < 0x01000000) {
		currprefs.maprom = changed_prefs.maprom = 0x00a80000;
		if (extendedkickmem2_size) // can't do if 2M ROM
			currprefs.maprom = changed_prefs.maprom = 0;
	}

	map_banks (&custom_bank, 0xC0, 0xE0 - 0xC0, 0); // Map custom chips at at 0xC00000 - 0xDFFFFF
	map_banks (&cia_bank, 0xA0, 32, 0); // Map CIAs at 0xA00000 - 0xBFFFFF
	if (!currprefs.cs_a1000ram && currprefs.cs_rtc != 3)
		/* D80000 - DDFFFF not mapped (A1000 or A2000 = custom chips) */
		map_banks (&dummy_bank, 0xD8, 6, 0);

	/* map "nothing" to 0x200000 - 0x9FFFFF (0xBEFFFF if Gayle or Fat Gary) */
	bnk = allocated_chipmem >> 16;
	if ((uae_u32)bnk < 0x20 + (currprefs.fastmem_size >> 16))
		bnk = 0x20 + (currprefs.fastmem_size >> 16);
	bnk_end = gayleorfatgary ? 0xBF : 0xA0;
	map_banks (&dummy_bank, bnk, bnk_end - bnk, 0);
#ifdef GAYLE
	if (gayleorfatgary) {
		 // a3000 or a4000 = custom chips from 0xc0 to 0xd0
		if (currprefs.cs_ide == IDE_A4000 || currprefs.cs_mbdmac)
			map_banks (&dummy_bank, 0xd0, 8, 0);
		else
			map_banks (&dummy_bank, 0xc0, 0xd8 - 0xc0, 0);
	}
#endif

	if (bogomemory != 0) {
		// Map "slow" memory from at 0xC00000 to max 0xDBFFFF, or 0xCFFFFF on an AGA machine.
		int t = currprefs.bogomem_size >> 16;
		if (t > 0x1C)
			t = 0x1C;
		if (t > 0x18 && ((currprefs.chipset_mask & CSMASK_AGA) || (currprefs.cpu_model >= 68020 && !currprefs.address_space_24)))
			t = 0x18;
		map_banks (&bogomem_bank, 0xC0, t, 0);
	}
#ifdef GAYLE
	if (currprefs.cs_ide || currprefs.cs_pcmcia) {
		if (currprefs.cs_ide == IDE_A600A1200 || currprefs.cs_pcmcia) {
			map_banks (&gayle_bank, 0xD8, 6, 0);
			map_banks (&gayle2_bank, 0xDD, 2, 0);
		}
		gayle_map_pcmcia ();
		if (currprefs.cs_ide == IDE_A4000 || currprefs.cs_mbdmac == 2)
			map_banks (&gayle_bank, 0xDD, 1, 0);
		if (currprefs.cs_ide < 0 && !currprefs.cs_pcmcia)
			map_banks (&gayle_bank, 0xD8, 6, 0);
		if (currprefs.cs_ide < 0)
			map_banks (&gayle_bank, 0xDD, 1, 0);
	}
#endif
	// Real-time clock at 0xDC0000 - 0xDCFFFF.
	if (currprefs.cs_rtc == 3) // A2000 clock
		map_banks (&clock_bank, 0xD8, 4, 0);
	if (currprefs.cs_rtc == 1 || currprefs.cs_rtc == 2 || currprefs.cs_cdtvram)
		map_banks (&clock_bank, 0xDC, 1, 0);
	else if (currprefs.cs_ksmirror_a8 || currprefs.cs_ide > 0 || currprefs.cs_pcmcia)
		map_banks (&clock_bank, 0xDC, 1, 0); /* none clock */
#ifdef GAYLE
	if (currprefs.cs_fatgaryrev >= 0 || currprefs.cs_ramseyrev >= 0)
		map_banks (&mbres_bank, 0xDE, 1, 0);
#endif
#ifdef CD32
	if (currprefs.cs_cd32c2p || currprefs.cs_cd32cd || currprefs.cs_cd32nvram) {
		map_banks (&akiko_bank, AKIKO_BASE >> 16, 1, 0);
		map_banks (&gayle2_bank, 0xDD, 2, 0);
	}
#endif
#ifdef CDTV
	if (currprefs.cs_cdtvcd)
		cdtv_check_banks ();
#endif
#ifdef A2091
	if (currprefs.cs_mbdmac == 1)
		a3000scsi_reset ();
#endif

	if (a3000lmemory != 0)
		map_banks (&a3000lmem_bank, a3000lmem_start >> 16, allocated_a3000lmem >> 16, 0);
	if (a3000hmemory != 0)
		map_banks (&a3000hmem_bank, a3000hmem_start >> 16, allocated_a3000hmem >> 16, 0);
#ifdef CDTV
	if (cardmemory != 0)
		map_banks (&cardmem_bank, cardmem_start >> 16, allocated_cardmem >> 16, 0);
#endif

	// Map primary Kickstart at 0xF80000 - 0xFFFFFF.
	map_banks (&kickmem_bank, 0xF8, 8, 0);
	if (currprefs.maprom)
		map_banks (&kickram_bank, currprefs.maprom >> 16, extendedkickmem2_size ? 32 : (extendedkickmem_size ? 16 : 8), 0);
	/* map beta Kickstarts at 0x200000/0xC00000/0xF00000 */
	if (kickmemory[0] == 0x11 && kickmemory[2] == 0x4e && kickmemory[3] == 0xf9 && kickmemory[4] == 0x00) {
		uae_u32 addr = kickmemory[5];
		if (addr == 0x20 && currprefs.chipmem_size <= 0x200000 && currprefs.fastmem_size == 0)
			map_banks (&kickmem_bank, addr, 8, 0);
		if (addr == 0xC0 && currprefs.bogomem_size == 0)
			map_banks (&kickmem_bank, addr, 8, 0);
		if (addr == 0xF0)
			map_banks (&kickmem_bank, addr, 8, 0);
	}

	if (a1000_bootrom)
		a1000_handle_kickstart (1);

#ifdef AUTOCONFIG
	// Map Autoconfig space at 0xE80000 - 0xE8FFFF.
	map_banks (&expamem_bank, 0xE8, 1, 0);
#endif

	if (a3000_f0)
		map_banks (&extendedkickmem_bank, 0xf0, 1, 0);

	/* Map the chipmem into all of the lower 8MB */
	map_overlay (1);

	switch (extendedkickmem_type) {
	case EXTENDED_ROM_KS:
		map_banks (&extendedkickmem_bank, 0xE0, 8, 0);
		break;
#ifdef CDTV
	case EXTENDED_ROM_CDTV:
		map_banks (&extendedkickmem_bank, 0xF0, extendedkickmem_size == 2 * 524288 ? 16 : 8, 0);
		break;
#endif
#ifdef CD32
	case EXTENDED_ROM_CD32:
		map_banks (&extendedkickmem_bank, 0xE0, 8, 0);
		break;
#endif
	}

#ifdef AUTOCONFIG
	if (need_uae_boot_rom ())
		map_banks (&rtarea_bank, rtarea_base >> 16, 1, 0);
#endif

	if ((cloanto_rom || currprefs.cs_ksmirror_e0) && (currprefs.maprom != 0xe00000) && !extendedkickmem_type)
		map_banks (&kickmem_bank, 0xE0, 8, 0);
	if (currprefs.cs_ksmirror_a8) {
		if (extendedkickmem2_size) {
			map_banks (&extendedkickmem2_bank, 0xa8, 16, 0);
		} else {
			struct romdata *rd = getromdatabypath (currprefs.cartfile);
			if (!rd || rd->id != 63) {
				if (extendedkickmem_type == EXTENDED_ROM_CD32 || extendedkickmem_type == EXTENDED_ROM_KS)
					map_banks (&extendedkickmem_bank, 0xb0, 8, 0);
				else
					map_banks (&kickmem_bank, 0xb0, 8, 0);
				map_banks (&kickmem_bank, 0xa8, 8, 0);
			}
		}
	}

#ifdef ARCADIA
	if (is_arcadia_rom (currprefs.romextfile) == ARCADIA_BIOS) {
		if (_tcscmp (currprefs.romextfile, changed_prefs.romextfile) != 0)
			memcpy (currprefs.romextfile, changed_prefs.romextfile, sizeof currprefs.romextfile);
		if (_tcscmp (currprefs.cartfile, changed_prefs.cartfile) != 0)
			memcpy (currprefs.cartfile, changed_prefs.cartfile, sizeof currprefs.cartfile);
		arcadia_unmap ();
		is_arcadia_rom (currprefs.romextfile);
		is_arcadia_rom (currprefs.cartfile);
		arcadia_map_banks ();
	}
#endif

#ifdef ACTION_REPLAY
#ifdef ARCADIA
	if (!arcadia_bios) {
#endif
		action_replay_memory_reset ();
#ifdef ARCADIA
	}
#endif
#endif

	if (currprefs.custom_memory_sizes[0]) {
		map_banks (&custmem1_bank,
			currprefs.custom_memory_addrs[0] >> 16,
			currprefs.custom_memory_sizes[0] >> 16, 0);
	}
	if (currprefs.custom_memory_sizes[1]) {
		map_banks (&custmem2_bank,
			currprefs.custom_memory_addrs[1] >> 16,
			currprefs.custom_memory_sizes[1] >> 16, 0);
	}


	if (mem_hardreset) {
		memory_clear ();
	}
	write_log (_T("memory init end\n"));
}


void memory_init (void)
{
	init_mem_banks ();
	virtualdevice_init ();

	allocated_chipmem = 0;
	allocated_bogomem = 0;
	kickmemory = 0;
	extendedkickmemory = 0;
	extendedkickmem_size = 0;
	extendedkickmemory2 = 0;
	extendedkickmem2_size = 0;
	extendedkickmem_type = 0;
	chipmemory = 0;
	allocated_a3000lmem = allocated_a3000hmem = 0;
	a3000lmemory = a3000hmemory = 0;
	bogomemory = 0;
	cardmemory = 0;
	allocated_custmem1 = allocated_custmem2 = 0;
	custmem1 = 0;
	custmem2 = 0;

	kickmemory = mapped_malloc (0x80000, _T("kick"));
	memset (kickmemory, 0, 0x80000);
	kickmem_bank.baseaddr = kickmemory;
	_tcscpy (currprefs.romfile, _T("<none>"));
	currprefs.romextfile[0] = 0;

#ifdef ACTION_REPLAY
	action_replay_unload (0);
	action_replay_load();
	action_replay_init(1);
#ifdef ACTION_REPLAY_HRTMON
	hrtmon_load();
#endif
#endif
}

void memory_cleanup (void)
{
	if (a3000lmemory)
		mapped_free (a3000lmemory);
	if (a3000hmemory)
		mapped_free (a3000hmemory);
	if (bogomemory && bogomemory_allocated)
		mapped_free (bogomemory);
	if (kickmemory)
		mapped_free (kickmemory);
	if (a1000_bootrom)
		xfree (a1000_bootrom);
	if (chipmemory)
		mapped_free (chipmemory);
#ifdef CDTV
	if (cardmemory) {
		cdtv_savecardmem (cardmemory, allocated_cardmem);
		mapped_free (cardmemory);
	}
#endif
	if (custmem1)
		mapped_free (custmem1);
	if (custmem2)
		mapped_free (custmem2);

	bogomemory = 0;
	bogomemory_allocated = 0;
	kickmemory = 0;
	a3000lmemory = a3000hmemory = 0;
	a1000_bootrom = 0;
	a1000_kickstart_mode = 0;
	chipmemory = 0;
	cardmemory = 0;
	custmem1 = 0;
	custmem2 = 0;

#ifdef ACTION_REPLAY
	action_replay_cleanup();
#endif
#ifdef ARCADIA
	arcadia_unmap ();
#endif
}

void memory_hardreset (int mode)
{
	if (mode + 1 > mem_hardreset)
		mem_hardreset = mode + 1;
}

// do not map if it conflicts with custom banks
void map_banks_cond (addrbank *bank, int start, int size, int realsize)
{
	for (int i = 0; i < MAX_CUSTOM_MEMORY_ADDRS; i++) {
		int cstart = currprefs.custom_memory_addrs[i] >> 16;
		if (!cstart)
			continue;
		int csize = currprefs.custom_memory_sizes[i] >> 16;
		if (!csize)
			continue;
		if (start <= cstart && start + size >= cstart)
			return;
		if (cstart <= start && (cstart + size >= start || start + size > cstart))
			return;
	}
	map_banks (bank, start, size, realsize);
}

void map_banks (addrbank *bank, int start, int size, int realsize)
{
	int bnr, old;
	unsigned long int hioffs = 0, endhioffs = 0x100;
	addrbank *orgbank = bank;
	uae_u32 realstart = start;

#ifdef DEBUG
	old = debug_bankchange (-1);
#endif
#ifdef JIT
	flush_icache (0, 3); /* Sure don't want to keep any old mappings around! */
	delete_shmmaps (start << 16, size << 16);
#endif

	if (!realsize)
		realsize = size << 16;

	if ((size << 16) < realsize) {
		write_log (_T("Broken mapping, size=%x, realsize=%x\nStart is %x\n"),
			size, realsize, start);
	}

#ifndef ADDRESS_SPACE_24BIT
	if (start >= 0x100) {
		int real_left = 0;
		for (bnr = start; bnr < start + size; bnr++) {
			if (!real_left) {
				realstart = bnr;
				real_left = realsize >> 16;
#ifdef NATMEM_OFFSET
				add_shmmaps (realstart << 16, bank);
#endif
			}
			put_mem_bank (bnr << 16, bank, realstart << 16);
			real_left--;
		}
#ifdef DEBUG
		debug_bankchange (old);
#endif
		return;
	}
#endif
	if (last_address_space_24)
		endhioffs = 0x10000;
#ifdef ADDRESS_SPACE_24BIT
	endhioffs = 0x100;
#endif
	for (hioffs = 0; hioffs < endhioffs; hioffs += 0x100) {
		int real_left = 0;
		for (bnr = start; bnr < start + size; bnr++) {
			if (!real_left) {
				realstart = bnr + hioffs;
				real_left = realsize >> 16;
#ifdef NATMEM_OFFSET
				add_shmmaps (realstart << 16, bank);
#endif
			}
			put_mem_bank ((bnr + hioffs) << 16, bank, realstart << 16);
			real_left--;
		}
	}
#ifdef DEBUG
	debug_bankchange (old);
#endif
	fill_ce_banks ();
}

#ifdef SAVESTATE

/* memory save/restore code */

uae_u8 *save_bootrom (int *len)
{
	if (!uae_boot_rom)
		return 0;
	*len = uae_boot_rom_size;
	return rtarea;
}

uae_u8 *save_cram (int *len)
{
	*len = allocated_chipmem;
	return chipmemory;
}

uae_u8 *save_bram (int *len)
{
	*len = allocated_bogomem;
	return bogomemory;
}

uae_u8 *save_a3000lram (int *len)
{
	*len = allocated_a3000lmem;
	return a3000lmemory;
}

uae_u8 *save_a3000hram (int *len)
{
	*len = allocated_a3000hmem;
	return a3000hmemory;
}

void restore_bootrom (int len, size_t filepos)
{
	bootrom_filepos = filepos;
}

void restore_cram (int len, size_t filepos)
{
	chip_filepos = filepos;
	changed_prefs.chipmem_size = len;
}

void restore_bram (int len, size_t filepos)
{
	bogo_filepos = filepos;
	changed_prefs.bogomem_size = len;
}

void restore_a3000lram (int len, size_t filepos)
{
	a3000lmem_filepos = filepos;
	changed_prefs.mbresmem_low_size = len;
}

void restore_a3000hram (int len, size_t filepos)
{
	a3000hmem_filepos = filepos;
	changed_prefs.mbresmem_high_size = len;
}

uae_u8 *restore_rom (uae_u8 *src)
{
	uae_u32 crc32, mem_start, mem_size, mem_type, version;
	TCHAR *s, *romn;
	int i, crcdet;
	struct romlist *rl = romlist_getit ();

	mem_start = restore_u32 ();
	mem_size = restore_u32 ();
	mem_type = restore_u32 ();
	version = restore_u32 ();
	crc32 = restore_u32 ();
	romn = restore_string ();
	crcdet = 0;
	for (i = 0; i < romlist_count (); i++) {
		if (rl[i].rd->crc32 == crc32 && crc32) {
			if (zfile_exists (rl[i].path)) {
				switch (mem_type)
				{
				case 0:
					_tcsncpy (changed_prefs.romfile, rl[i].path, 255);
					break;
				case 1:
					_tcsncpy (changed_prefs.romextfile, rl[i].path, 255);
					break;
				}
				write_log (_T("ROM '%s' = '%s'\n"), romn, rl[i].path);
				crcdet = 1;
			} else {
				write_log (_T("ROM '%s' = '%s' invalid rom scanner path!"), romn, rl[i].path);
			}
			break;
		}
	}
	s = restore_string ();
	if (!crcdet) {
		if (zfile_exists (s)) {
			switch (mem_type)
			{
			case 0:
				_tcsncpy (changed_prefs.romfile, s, 255);
				break;
			case 1:
				_tcsncpy (changed_prefs.romextfile, s, 255);
				break;
			}
			write_log (_T("ROM detected (path) as '%s'\n"), s);
			crcdet = 1;
		}
	}
	xfree (s);
	if (!crcdet)
		write_log (_T("WARNING: ROM '%s' %d.%d (CRC32=%08x %08x-%08x) not found!\n"),
			romn, version >> 16, version & 0xffff, crc32, mem_start, mem_start + mem_size - 1);
	xfree (romn);
	return src;
}

uae_u8 *save_rom (int first, int *len, uae_u8 *dstptr)
{
	static int count;
	uae_u8 *dst, *dstbak;
	uae_u8 *mem_real_start;
	uae_u32 version;
	TCHAR *path;
	int mem_start, mem_size, mem_type, saverom;
	int i;
	TCHAR tmpname[1000];

	version = 0;
	saverom = 0;
	if (first)
		count = 0;
	for (;;) {
		mem_type = count;
		mem_size = 0;
		switch (count) {
		case 0: /* Kickstart ROM */
			mem_start = 0xf80000;
			mem_real_start = kickmemory;
			mem_size = kickmem_size;
			path = currprefs.romfile;
			/* 256KB or 512KB ROM? */
			for (i = 0; i < mem_size / 2 - 4; i++) {
				if (longget (i + mem_start) != longget (i + mem_start + mem_size / 2))
					break;
			}
			if (i == mem_size / 2 - 4) {
				mem_size /= 2;
				mem_start += 262144;
			}
			version = longget (mem_start + 12); /* version+revision */
			_stprintf (tmpname, _T("Kickstart %d.%d"), wordget (mem_start + 12), wordget (mem_start + 14));
			break;
		case 1: /* Extended ROM */
			if (!extendedkickmem_type)
				break;
			mem_start = extendedkickmem_start;
			mem_real_start = extendedkickmemory;
			mem_size = extendedkickmem_size;
			path = currprefs.romextfile;
			version = longget (mem_start + 12); /* version+revision */
			if (version == 0xffffffff)
				version = longget (mem_start + 16);
			_stprintf (tmpname, _T("Extended"));
			break;
		default:
			return 0;
		}
		count++;
		if (mem_size)
			break;
	}
	if (dstptr)
		dstbak = dst = dstptr;
	else
		dstbak = dst = xmalloc (uae_u8, 4 + 4 + 4 + 4 + 4 + 256 + 256 + mem_size);
	save_u32 (mem_start);
	save_u32 (mem_size);
	save_u32 (mem_type);
	save_u32 (version);
	save_u32 (get_crc32 (mem_real_start, mem_size));
	save_string (tmpname);
	save_string (path);
	if (saverom) {
		for (i = 0; i < mem_size; i++)
			*dst++ = byteget (mem_start + i);
	}
	*len = dst - dstbak;
	return dstbak;
}

#endif /* SAVESTATE */

/* memory helpers */

void memcpyha_safe (uaecptr dst, const uae_u8 *src, int size)
{
	if (!addr_valid (_T("memcpyha"), dst, size))
		return;
	while (size--)
		put_byte (dst++, *src++);
}

void memcpyha (uaecptr dst, const uae_u8 *src, int size)
{
	while (size--)
		put_byte (dst++, *src++);
}

void memcpyah_safe (uae_u8 *dst, uaecptr src, int size)
{
	if (!addr_valid (_T("memcpyah"), src, size))
		return;
	while (size--)
		*dst++ = get_byte (src++);
}

void memcpyah (uae_u8 *dst, uaecptr src, int size)
{
	while (size--)
		*dst++ = get_byte (src++);
}

uae_char *strcpyah_safe (uae_char *dst, uaecptr src, int maxsize)
{
	uae_char *res = dst;
	uae_u8 b;
	dst[0] = 0;
	do {
		if (!addr_valid (_T("_tcscpyah"), src, 1))
			return res;
		b = get_byte (src++);
		*dst++ = b;
		*dst = 0;
		maxsize--;
		if (maxsize <= 1)
			break;
	} while (b);
	return res;
}

uaecptr strcpyha_safe (uaecptr dst, const uae_char *src)
{
	uaecptr res = dst;
	uae_u8 b;
	do {
		if (!addr_valid (_T("_tcscpyha"), dst, 1))
			return res;
		b = *src++;
		put_byte (dst++, b);
	} while (b);
	return res;
}