[fceu.git] / unif.c

/* FCE Ultra - NES/Famicom Emulator
 *
 * Copyright notice for this file:
 *  Copyright (C) 2002 Ben Parnell
 *
 * 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
 */

/* TODO:  Battery backup file saving, mirror force */
/* **INCOMPLETE** 				   */
/* Override stuff: CHR RAM instead of CHR ROM,
		   mirroring.
*/

#include <stdio.h>
#include <stdlib.h>
#include <string.h>


#include	"types.h"
#include        "fce.h"
#include        "unif.h"
#include        "version.h"
#include	"svga.h"
#include        "general.h"
#include	"state.h"
#include	"endian.h"
#include	"file.h"
#include	"cart.h"
#include	"memory.h"
#include	"input.h"

typedef struct {
           char ID[4];
           uint32 info;
} UNIF_HEADER;

typedef struct {
           char *name;
           void (*init)(void);
	   int flags;
} BMAPPING;

typedef struct {
           char *name;
           int (*init)(int fp);
} BFMAPPING;

void (*BoardClose)(void);
void (*BoardPower)(void);
void (*BoardReset)(void);

static int vramo;
static int mirrortodo;
int UNIFbattery;
static char *boardname;
static char *sboardname;
char *UNIFchrrama;

static UNIF_HEADER unhead;
static UNIF_HEADER uchead;


static uint8 *malloced[32];

static int FixRomSize(uint32 size, uint32 minimum)
{
  int x=1;

  if(size<minimum)
   return minimum;
  while(x<size)
   x<<=1;
  return x;
}

static void FreeUNIF(void)
{
 int x;
 if(UNIFchrrama)
  {free(UNIFchrrama);UNIFchrrama=0;}
 if(boardname)
  {free(boardname);boardname=0;}
 for(x=0;x<32;x++)
 {
  if(malloced[x])
   {free(malloced[x]);malloced[x]=0;}
 }
}

static void ResetUNIF(void)
{
 int x;
 for(x=0;x<32;x++)
  malloced[x]=0;
 vramo=0;
 UNIFbattery=0;
 boardname=0;
 mirrortodo=0;
 BoardReset=BoardPower=BoardClose=0;
 UNIFchrrama=0;
}

static uint8 exntar[2048];

static void MooMirroring(void)
{
 if(mirrortodo<0x4)
  SetupCartMirroring(mirrortodo,1,0);
 else if(mirrortodo==0x4)
 {
  SetupCartMirroring(4,1,exntar);
  AddExState(exntar, 2048, 0,"EXNR");
 }
 else
  SetupCartMirroring(0,0,0);
}

static int DoMirroring(int fp)
{
 uint8 t;
 t=FCEU_fgetc(fp);
 mirrortodo=t; 

 {
  static char *stuffo[6]={"Horizontal","Vertical","$2000","$2400","\"Four-screen\"","Controlled by Mapper Hardware"};
  if(t<6)
   printf(" Name/Attribute Table Mirroring: %s\n",stuffo[t]);
 }
 return(1);
}

static int CTRL(int fp)
{
 int t;

 if((t=FCEU_fgetc(fp))==EOF)
  return(0);
 /* The information stored in this byte isn't very helpful, but it's
    better than nothing...maybe.
 */

 if(t&1) FCEUGameInfo.input[0]=FCEUGameInfo.input[1]=SI_GAMEPAD;
 else FCEUGameInfo.input[0]=FCEUGameInfo.input[1]=SI_NONE;

 if(t&2) FCEUGameInfo.input[1]=SI_ZAPPER;
 else if(t&0x10) FCEUGameInfo.input[1]=SI_POWERPAD;

 return(1);
}

static int TVCI(int fp)
{
 int t;
 if( (t=FCEU_fgetc(fp)) ==EOF)
  return(0);
 if(t<=2)
 {
  char *stuffo[3]={"NTSC","PAL","NTSC and PAL"};
  if(t==0)
   FCEUGameInfo.vidsys=GIV_NTSC;
  else if(t==1)
   FCEUGameInfo.vidsys=GIV_PAL;
  printf(" TV Standard Compatibility: %s\n",stuffo[t]);
 }
 return(1);
}

static int EnableBattery(int fp)
{
 puts(" Battery-backed.");
 if(FCEU_fgetc(fp)==EOF)
  return(0);
 UNIFbattery=1;
 return(1);
}

static int LoadPRG(int fp)
{
 int z,t;
 z=uchead.ID[3]-'0';

 if(z<0 || z>15)
  return(0);
 printf(" PRG ROM %d size: %d",z,(int) uchead.info);
 if(malloced[z])
  free(malloced[z]);
 t=FixRomSize(uchead.info,2048);
 if(!(malloced[z]=FCEU_malloc(t)))
  return(0);
 memset(malloced[z]+uchead.info,0xFF,t-uchead.info);
 if(FCEU_fread(malloced[z],1,uchead.info,fp)!=uchead.info)
 {
  puts("Read Error!");
  return(0);
 }
 else
  puts("");

 SetupCartPRGMapping(z,malloced[z],t,0); 
 return(1);
}

static int SetBoardName(int fp)
{
 if(!(boardname=FCEU_malloc(uchead.info+1)))
  return(0);
 FCEU_fread(boardname,1,uchead.info,fp);
 boardname[uchead.info]=0;
 printf(" Board name: %s\n",boardname);
 sboardname=boardname;
 if(!memcmp(boardname,"NES-",4) || !memcmp(boardname,"UNL-",4) || !memcmp(boardname,"HVC-",4) || !memcmp(boardname,"BTL-",4) || !memcmp(boardname,"BMC-",4))
  sboardname+=4;
 return(1);
}

static int LoadCHR(int fp)
{
 int z,t;
 z=uchead.ID[3]-'0';
 if(z<0 || z>15)
  return(0);
 printf(" CHR ROM %d size: %d",z,(int) uchead.info);
 if(malloced[16+z])
  free(malloced[16+z]);
 t=FixRomSize(uchead.info,8192);
 if(!(malloced[16+z]=FCEU_malloc(t)))
  return(0);
 memset(malloced[16+z]+uchead.info,0xFF,t-uchead.info);
 if(FCEU_fread(malloced[16+z],1,uchead.info,fp)!=uchead.info)
 {
  puts("Read Error!");
  return(0);
 }
 else
  puts("");

 SetupCartCHRMapping(z,malloced[16+z],t,0);
 return(1);
}


#define BMCFLAG_FORCE4	1
#define BMCFLAG_CHRROK	2	// Ok for generic UNIF code to make available
				// 8KB of CHR RAM if no CHR ROM is present.
#define BMC 48

BMAPPING bmap[BMC] = {

/* Sachen Carts */
 { "TC-U01-1.5M", TCU01_Init,0},
 { "Sachen-8259B", S8259B_Init,BMCFLAG_CHRROK},
 { "Sachen-8259A", S8259A_Init,BMCFLAG_CHRROK},
 { "Sachen-74LS374N", S74LS374N_Init,0},
 { "SA-016-1M", SA0161M_Init,0},
 { "SA-72007", SA72007_Init,0},
 { "SA-72008", SA72008_Init,0},
 { "SA-0036", SA0036_Init,0},
 { "SA-0037", SA0037_Init,0},

 { "H2288", H2288_Init,0},
// /* AVE carts. */
// { "MB-91", MB91_Init,0},	// DeathBots
// { "NINA-06", NINA06_Init,0},	// F-15 City War
// { "NINA-03", NINA03_Init,0},	// Tiles of Fate
// { "NINA-001", NINA001_Init,0}, // Impossible Mission 2

 { "HKROM", HKROM_Init,0},

 { "EWROM", EWROM_Init,0},
 { "EKROM", EKROM_Init,0},
 { "ELROM", ELROM_Init,0},
 { "ETROM", ETROM_Init,0},

 { "SAROM", SAROM_Init,0},
 { "SBROM", SBROM_Init,0},
 { "SCROM", SCROM_Init,0},
 { "SEROM", SEROM_Init,0},
 { "SGROM", SGROM_Init,0},
 { "SKROM", SKROM_Init,0},
 { "SLROM", SLROM_Init,0},
 { "SL1ROM", SL1ROM_Init,0},
 { "SNROM", SNROM_Init,0},
 { "SOROM", SOROM_Init,0},

 { "TGROM", TGROM_Init,0},
 { "TR1ROM", TFROM_Init,BMCFLAG_FORCE4},
 { "TFROM", TFROM_Init,0},
 { "TLROM", TLROM_Init,0},
 { "TKROM", TKROM_Init,0},
 { "TSROM", TSROM_Init,0},

 { "TLSROM", TLSROM_Init,0},
 { "TKSROM", TKSROM_Init,0},
 { "TQROM", TQROM_Init,0},
 { "TVROM", TLROM_Init,BMCFLAG_FORCE4},

 { "CPROM", CPROM_Init,0},
 { "CNROM", CNROM_Init,0},
 { "NROM", NROM256_Init,0 },
 { "RROM", NROM128_Init,0 },
 { "RROM-128", NROM128_Init,0 },
 { "NROM-128", NROM128_Init,0 },
 { "NROM-256", NROM256_Init,0 },
 { "MHROM", MHROM_Init,0},
 { "UNROM", UNROM_Init,0},
 { "MARIO1-MALEE2", MALEE_Init,0},
 { "Supervision16in1", Supervision16_Init,0},
 { "NovelDiamond9999999in1", Novel_Init,0},
 { "Super24in1SC03", Super24_Init,0}
};

#define BMF 7
BFMAPPING bfunc[BMF] = {
 { "CTRL", CTRL },
 { "TVCI", TVCI },
 { "BATR", EnableBattery },
 { "MIRR", DoMirroring },
 { "PRG",  LoadPRG },
 { "CHR",  LoadCHR },
 { "MAPR", SetBoardName }
};

int LoadUNIFChunks(int fp)
{
   int x;
   int t;
   for(;;)
   {
    t=FCEU_fread(&uchead,1,4,fp);
    if(t<4) 
    {
     if(t>0)
      return 0; 
     return 1;
    }
    if(!(FCEU_read32(&uchead.info,fp))) 
     return 0;
    t=0;
    for(x=0;x<BMF;x++)
    {
     if(memcmp(&uchead,bfunc[x].name,strlen(bfunc[x].name)))
      continue;
     if(!bfunc[x].init(fp))
      return 0;
     t=1;
     break;     
    }
    if(!t)
     if(FCEU_fseek(fp,uchead.info,SEEK_CUR))
      return(0);
   }
}

static int InitializeBoard(void)
{
   int x;

   for(x=0;x<BMC;x++)
   {
    if(strcmp(sboardname,bmap[x].name)) continue;
    if(!malloced[16] && (bmap[x].flags&BMCFLAG_CHRROK))
    {
     UNIFchrrama=FCEU_malloc(8192);
     if((malloced[16]=(uint8 *)UNIFchrrama))
     {
      SetupCartCHRMapping(0,(uint8 *)UNIFchrrama,8192,1);
      AddExState(UNIFchrrama, 8192, 0,"CHRR");
     }
     else
      return(-1);
    }
    if(bmap[x].flags&BMCFLAG_FORCE4)
     mirrortodo=4;
    MooMirroring();
    bmap[x].init();
    return(1);
   }
   FCEU_PrintError("Board type not supported.");
   return(0);
}

static void UNIFGI(int h)
{
 switch(h)
 {
  case GI_RESETM2:
		if(BoardReset) BoardReset();
		break;
  case GI_POWER:
                if(BoardPower) BoardPower();
		if(UNIFchrrama) memset(UNIFchrrama,0,8192);
		break;
  case GI_CLOSE:
                if(BoardClose)
                 BoardClose();
                FreeUNIF();
                break;
 }
}

int UNIFLoad(char *name, int fp)
{
        FCEU_fseek(fp,0,SEEK_SET);
        FCEU_fread(&unhead,1,4,fp);
        if(memcmp(&unhead,"UNIF",4))
         return 0;        

	ResetCartMapping();

        ResetExState();
        ResetUNIF();
        if(!FCEU_read32(&unhead.info,fp))
	 goto aborto;
        if(FCEU_fseek(fp,0x20,SEEK_SET)<0)
	 goto aborto;
        if(!LoadUNIFChunks(fp))
	 goto aborto;
        if(!InitializeBoard())
	 goto aborto;

        GameInterface=UNIFGI;
        return 1;
	
	aborto:

	FreeUNIF();
	ResetUNIF();
	return 0;
}

static FILE *fssp=0;

void UNIFOpenWRAM(int t, char *ext, int override)
{
 if(UNIFbattery|override)
 {
  fssp=fopen(FCEU_MakeFName(FCEUMKF_SAV,0,(ext?ext:"sav")),(t==UOW_RD)?"rb":"wb");
 }
}

void UNIFWriteWRAM(uint8 *p, int size)
{
 if(fssp)
  fwrite(p, size, 1, fssp);
}

void UNIFReadWRAM(uint8 *p, int size)
{
 if(fssp)
  fread(p, size, 1, fssp);
}
void UNIFCloseWRAM(void)
{
 if(fssp)
  fclose(fssp);
 fssp=0;
}
Commit	Line	Data
c62d2810	1	/* FCE Ultra - NES/Famicom Emulator
	2	*
	3	* Copyright notice for this file:
	4	* Copyright (C) 2002 Ben Parnell
	5	*
	6	* This program is free software; you can redistribute it and/or modify
	7	* it under the terms of the GNU General Public License as published by
	8	* the Free Software Foundation; either version 2 of the License, or
	9	* (at your option) any later version.
	10	*
	11	* This program is distributed in the hope that it will be useful,
	12	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	13	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	14	* GNU General Public License for more details.
	15	*
	16	* You should have received a copy of the GNU General Public License
	17	* along with this program; if not, write to the Free Software
	18	* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
	19	*/
	20
	21	/* TODO: Battery backup file saving, mirror force */
	22	/* INCOMPLETE */
	23	/* Override stuff: CHR RAM instead of CHR ROM,
	24	mirroring.
	25	*/
	26
	27	#include <stdio.h>
	28	#include <stdlib.h>
	29	#include <string.h>
	30
	31
	32	#include "types.h"
	33	#include "fce.h"
	34	#include "unif.h"
	35	#include "version.h"
	36	#include "svga.h"
	37	#include "general.h"
	38	#include "state.h"
	39	#include "endian.h"
	40	#include "file.h"
	41	#include "cart.h"
	42	#include "memory.h"
	43	#include "input.h"
	44
	45	typedef struct {
	46	char ID[4];
	47	uint32 info;
	48	} UNIF_HEADER;
	49
	50	typedef struct {
	51	char *name;
	52	void (*init)(void);
	53	int flags;
	54	} BMAPPING;
	55
	56	typedef struct {
	57	char *name;
	58	int (*init)(int fp);
	59	} BFMAPPING;
	60
	61	void (*BoardClose)(void);
	62	void (*BoardPower)(void);
	63	void (*BoardReset)(void);
	64
65	static int vramo;
66	static int mirrortodo;
67	int UNIFbattery;
68	static char *boardname;
69	static char *sboardname;
70	char *UNIFchrrama;
71
72	static UNIF_HEADER unhead;
73	static UNIF_HEADER uchead;
74
75
76	static uint8 *malloced[32];
77
78	static int FixRomSize(uint32 size, uint32 minimum)
79	{
80	int x=1;
81
82	if(size<minimum)
83	return minimum;
84	while(x<size)
85	x<<=1;
86	return x;
87	}
88
89	static void FreeUNIF(void)
90	{
91	int x;
92	if(UNIFchrrama)
93	{free(UNIFchrrama);UNIFchrrama=0;}
94	if(boardname)
95	{free(boardname);boardname=0;}
96	for(x=0;x<32;x++)
97	{
98	if(malloced[x])
99	{free(malloced[x]);malloced[x]=0;}
100	}
101	}
102
103	static void ResetUNIF(void)
104	{
105	int x;
106	for(x=0;x<32;x++)
107	malloced[x]=0;
108	vramo=0;
109	UNIFbattery=0;
110	boardname=0;
111	mirrortodo=0;
112	BoardReset=BoardPower=BoardClose=0;
113	UNIFchrrama=0;
114	}
115
116	static uint8 exntar[2048];
117
118	static void MooMirroring(void)
119	{
120	if(mirrortodo<0x4)
121	SetupCartMirroring(mirrortodo,1,0);
122	else if(mirrortodo==0x4)
123	{
124	SetupCartMirroring(4,1,exntar);
125	AddExState(exntar, 2048, 0,"EXNR");
126	}
127	else
128	SetupCartMirroring(0,0,0);
129	}
130
131	static int DoMirroring(int fp)
132	{
133	uint8 t;
134	t=FCEU_fgetc(fp);
135	mirrortodo=t;
136
137	{
138	static char *stuffo[6]={"Horizontal","Vertical","$2000","$2400","\"Four-screen\"","Controlled by Mapper Hardware"};
139	if(t<6)
140	printf(" Name/Attribute Table Mirroring: %s\n",stuffo[t]);
141	}
142	return(1);
143	}
144
145	static int CTRL(int fp)
146	{
147	int t;
148
149	if((t=FCEU_fgetc(fp))==EOF)
150	return(0);
151	/* The information stored in this byte isn't very helpful, but it's
152	better than nothing...maybe.
153	*/
154
155	if(t&1) FCEUGameInfo.input[0]=FCEUGameInfo.input[1]=SI_GAMEPAD;
156	else FCEUGameInfo.input[0]=FCEUGameInfo.input[1]=SI_NONE;
157
158	if(t&2) FCEUGameInfo.input[1]=SI_ZAPPER;
159	else if(t&0x10) FCEUGameInfo.input[1]=SI_POWERPAD;
160
161	return(1);
162	}
163
164	static int TVCI(int fp)
165	{
166	int t;
167	if( (t=FCEU_fgetc(fp)) ==EOF)
168	return(0);
169	if(t<=2)
170	{
171	char *stuffo[3]={"NTSC","PAL","NTSC and PAL"};
172	if(t==0)
173	FCEUGameInfo.vidsys=GIV_NTSC;
174	else if(t==1)
175	FCEUGameInfo.vidsys=GIV_PAL;
176	printf(" TV Standard Compatibility: %s\n",stuffo[t]);
177	}
178	return(1);
179	}
180
181	static int EnableBattery(int fp)
182	{
183	puts(" Battery-backed.");
184	if(FCEU_fgetc(fp)==EOF)
185	return(0);
186	UNIFbattery=1;
187	return(1);
188	}
189
190	static int LoadPRG(int fp)
191	{
192	int z,t;
193	z=uchead.ID[3]-'0';
194
195	if(z<0 \|\| z>15)
196	return(0);
197	printf(" PRG ROM %d size: %d",z,(int) uchead.info);
198	if(malloced[z])
199	free(malloced[z]);
200	t=FixRomSize(uchead.info,2048);
201	if(!(malloced[z]=FCEU_malloc(t)))
202	return(0);
203	memset(malloced[z]+uchead.info,0xFF,t-uchead.info);
204	if(FCEU_fread(malloced[z],1,uchead.info,fp)!=uchead.info)
205	{
206	puts("Read Error!");
207	return(0);
208	}
209	else
210	puts("");
211
212	SetupCartPRGMapping(z,malloced[z],t,0);
213	return(1);
214	}
215
216	static int SetBoardName(int fp)
217	{
218	if(!(boardname=FCEU_malloc(uchead.info+1)))
219	return(0);
220	FCEU_fread(boardname,1,uchead.info,fp);
221	boardname[uchead.info]=0;
222	printf(" Board name: %s\n",boardname);
223	sboardname=boardname;
224	if(!memcmp(boardname,"NES-",4) \|\| !memcmp(boardname,"UNL-",4) \|\| !memcmp(boardname,"HVC-",4) \|\| !memcmp(boardname,"BTL-",4) \|\| !memcmp(boardname,"BMC-",4))
225	sboardname+=4;
226	return(1);
227	}
228
229	static int LoadCHR(int fp)
230	{
231	int z,t;
232	z=uchead.ID[3]-'0';
233	if(z<0 \|\| z>15)
234	return(0);
235	printf(" CHR ROM %d size: %d",z,(int) uchead.info);
236	if(malloced[16+z])
237	free(malloced[16+z]);
238	t=FixRomSize(uchead.info,8192);
239	if(!(malloced[16+z]=FCEU_malloc(t)))
240	return(0);
241	memset(malloced[16+z]+uchead.info,0xFF,t-uchead.info);
242	if(FCEU_fread(malloced[16+z],1,uchead.info,fp)!=uchead.info)
243	{
244	puts("Read Error!");
245	return(0);
246	}
247	else
248	puts("");
249
250	SetupCartCHRMapping(z,malloced[16+z],t,0);
251	return(1);
252	}
253
254
255	#define BMCFLAG_FORCE4 1
256	#define BMCFLAG_CHRROK 2 // Ok for generic UNIF code to make available
257	// 8KB of CHR RAM if no CHR ROM is present.
258	#define BMC 48
259
260	BMAPPING bmap[BMC] = {
261
262	/* Sachen Carts */
263	{ "TC-U01-1.5M", TCU01_Init,0},
264	{ "Sachen-8259B", S8259B_Init,BMCFLAG_CHRROK},
265	{ "Sachen-8259A", S8259A_Init,BMCFLAG_CHRROK},
266	{ "Sachen-74LS374N", S74LS374N_Init,0},
267	{ "SA-016-1M", SA0161M_Init,0},
268	{ "SA-72007", SA72007_Init,0},
269	{ "SA-72008", SA72008_Init,0},
270	{ "SA-0036", SA0036_Init,0},
271	{ "SA-0037", SA0037_Init,0},
272
273	{ "H2288", H2288_Init,0},
274	// /* AVE carts. */
275	// { "MB-91", MB91_Init,0}, // DeathBots
276	// { "NINA-06", NINA06_Init,0}, // F-15 City War
277	// { "NINA-03", NINA03_Init,0}, // Tiles of Fate
278	// { "NINA-001", NINA001_Init,0}, // Impossible Mission 2
279
280	{ "HKROM", HKROM_Init,0},
281
282	{ "EWROM", EWROM_Init,0},
283	{ "EKROM", EKROM_Init,0},
284	{ "ELROM", ELROM_Init,0},
285	{ "ETROM", ETROM_Init,0},
286
287	{ "SAROM", SAROM_Init,0},
288	{ "SBROM", SBROM_Init,0},
289	{ "SCROM", SCROM_Init,0},
290	{ "SEROM", SEROM_Init,0},
291	{ "SGROM", SGROM_Init,0},
292	{ "SKROM", SKROM_Init,0},
293	{ "SLROM", SLROM_Init,0},
294	{ "SL1ROM", SL1ROM_Init,0},
295	{ "SNROM", SNROM_Init,0},
296	{ "SOROM", SOROM_Init,0},
297
298	{ "TGROM", TGROM_Init,0},
299	{ "TR1ROM", TFROM_Init,BMCFLAG_FORCE4},
300	{ "TFROM", TFROM_Init,0},
301	{ "TLROM", TLROM_Init,0},
302	{ "TKROM", TKROM_Init,0},
303	{ "TSROM", TSROM_Init,0},
304
305	{ "TLSROM", TLSROM_Init,0},
306	{ "TKSROM", TKSROM_Init,0},
307	{ "TQROM", TQROM_Init,0},
308	{ "TVROM", TLROM_Init,BMCFLAG_FORCE4},
309
310	{ "CPROM", CPROM_Init,0},
311	{ "CNROM", CNROM_Init,0},
312	{ "NROM", NROM256_Init,0 },
313	{ "RROM", NROM128_Init,0 },
314	{ "RROM-128", NROM128_Init,0 },
315	{ "NROM-128", NROM128_Init,0 },
316	{ "NROM-256", NROM256_Init,0 },
317	{ "MHROM", MHROM_Init,0},
318	{ "UNROM", UNROM_Init,0},
319	{ "MARIO1-MALEE2", MALEE_Init,0},
320	{ "Supervision16in1", Supervision16_Init,0},
321	{ "NovelDiamond9999999in1", Novel_Init,0},
322	{ "Super24in1SC03", Super24_Init,0}
323	};
324
325	#define BMF 7
326	BFMAPPING bfunc[BMF] = {
327	{ "CTRL", CTRL },
328	{ "TVCI", TVCI },
329	{ "BATR", EnableBattery },
330	{ "MIRR", DoMirroring },
331	{ "PRG", LoadPRG },
332	{ "CHR", LoadCHR },
333	{ "MAPR", SetBoardName }
334	};
335
336	int LoadUNIFChunks(int fp)
337	{
338	int x;
339	int t;
340	for(;;)
341	{
342	t=FCEU_fread(&uchead,1,4,fp);
343	if(t<4)
344	{
345	if(t>0)
346	return 0;
347	return 1;
348	}
349	if(!(FCEU_read32(&uchead.info,fp)))
350	return 0;
351	t=0;
352	for(x=0;x<BMF;x++)
353	{
354	if(memcmp(&uchead,bfunc[x].name,strlen(bfunc[x].name)))
355	continue;
356	if(!bfunc[x].init(fp))
357	return 0;
358	t=1;
359	break;
360	}
361	if(!t)
362	if(FCEU_fseek(fp,uchead.info,SEEK_CUR))
363	return(0);
364	}
365	}
366
367	static int InitializeBoard(void)
368	{
369	int x;
370
371	for(x=0;x<BMC;x++)
372	{
373	if(strcmp(sboardname,bmap[x].name)) continue;
374	if(!malloced[16] && (bmap[x].flags&BMCFLAG_CHRROK))
375	{
5232c20c	376	UNIFchrrama=FCEU_malloc(8192);
5232c20c	377	if((malloced[16]=(uint8 *)UNIFchrrama))
c62d2810	378	{
5232c20c	379	SetupCartCHRMapping(0,(uint8 *)UNIFchrrama,8192,1);
c62d2810	380	AddExState(UNIFchrrama, 8192, 0,"CHRR");
	381	}
	382	else
	383	return(-1);
	384	}
	385	if(bmap[x].flags&BMCFLAG_FORCE4)
	386	mirrortodo=4;
	387	MooMirroring();
	388	bmap[x].init();
	389	return(1);
	390	}
	391	FCEU_PrintError("Board type not supported.");
	392	return(0);
	393	}
	394
	395	static void UNIFGI(int h)
	396	{
	397	switch(h)
	398	{
	399	case GI_RESETM2:
	400	if(BoardReset) BoardReset();
	401	break;
	402	case GI_POWER:
	403	if(BoardPower) BoardPower();
	404	if(UNIFchrrama) memset(UNIFchrrama,0,8192);
	405	break;
	406	case GI_CLOSE:
	407	if(BoardClose)
	408	BoardClose();
	409	FreeUNIF();
	410	break;
	411	}
	412	}
	413
	414	int UNIFLoad(char *name, int fp)
	415	{
	416	FCEU_fseek(fp,0,SEEK_SET);
	417	FCEU_fread(&unhead,1,4,fp);
	418	if(memcmp(&unhead,"UNIF",4))
	419	return 0;
	420
	421	ResetCartMapping();
	422
	423	ResetExState();
	424	ResetUNIF();
	425	if(!FCEU_read32(&unhead.info,fp))
	426	goto aborto;
	427	if(FCEU_fseek(fp,0x20,SEEK_SET)<0)
	428	goto aborto;
	429	if(!LoadUNIFChunks(fp))
	430	goto aborto;
	431	if(!InitializeBoard())
	432	goto aborto;
	433
	434	GameInterface=UNIFGI;
	435	return 1;
	436
	437	aborto:
	438
	439	FreeUNIF();
	440	ResetUNIF();
	441	return 0;
	442	}
	443
444	static FILE *fssp=0;
445
446	void UNIFOpenWRAM(int t, char *ext, int override)
447	{
448	if(UNIFbattery\|override)
449	{
450	fssp=fopen(FCEU_MakeFName(FCEUMKF_SAV,0,(ext?ext:"sav")),(t==UOW_RD)?"rb":"wb");
451	}
452	}
453
454	void UNIFWriteWRAM(uint8 *p, int size)
455	{
456	if(fssp)
457	fwrite(p, size, 1, fssp);
458	}
459
460	void UNIFReadWRAM(uint8 *p, int size)
461	{
462	if(fssp)
463	fread(p, size, 1, fssp);
464	}
465	void UNIFCloseWRAM(void)
466	{
467	if(fssp)
468	fclose(fssp);
469	fssp=0;
470	}