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Genesis-Plus-GX/source/cart_hw/sms_cart.c
ekeeke31 d66d747d98 - annual code cleanup ;-) 
- added port $3E emulation (SMS, GG)
- added SMS & GG BIOS support
- added an option to run BIOS without cartridge
- added separate ROM browsers for SG-1000, Master System, Game Gear & Mega Drive / Genesis
- changed Cheat menu icon
- moved ROM device selection (SD,USB,DVD) to menu options
- moved savestate compression/decompression out of emulator core
- removed useless background images & background color option
- prevented deletion of cheat files when no valid codes are found left
- added IOS patch on startup to fix Homebrew Channel network bug when <no_ios_reload> option is used







[GUI]
-
2012-01-15 19:51:27 +00:00

1198 lines
46 KiB
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/****************************************************************************
* Genesis Plus
* SG-1000, Master System & Game Gear cartridge hardware support
*
* Copyright (C) 2007-2011 Eke-Eke (Genesis Plus GX)
*
* Redistribution and use of this code or any derivative works are permitted
* provided that the following conditions are met:
*
* - Redistributions may not be sold, nor may they be used in a commercial
* product or activity.
*
* - Redistributions that are modified from the original source must include the
* complete source code, including the source code for all components used by a
* binary built from the modified sources. However, as a special exception, the
* source code distributed need not include anything that is normally distributed
* (in either source or binary form) with the major components (compiler, kernel,
* and so on) of the operating system on which the executable runs, unless that
* component itself accompanies the executable.
*
* - Redistributions must reproduce the above copyright notice, this list of
* conditions and the following disclaimer in the documentation and/or other
* materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
****************************************************************************************/
#include "shared.h"
#include "terebi_oekaki.h"
#ifdef NGC
#include "cheats.h"
#endif
#define MAPPER_NONE (0)
#define MAPPER_TEREBI (1)
#define MAPPER_SEGA (2)
#define MAPPER_SEGA_X (3)
#define MAPPER_CODIES (4)
#define MAPPER_KOREA (5)
#define MAPPER_MSX (6)
#define MAPPER_93C46 (7)
#define GAME_DATABASE_CNT (187)
typedef struct
{
uint32 crc;
uint8 g_3d;
uint8 fm;
uint8 peripheral;
uint8 mapper;
uint8 system;
uint8 region;
} rominfo_t;
typedef struct
{
uint8 fcr[4];
uint8 mapper;
uint8 pages;
} romhw_t;
static const rominfo_t game_list[GAME_DATABASE_CNT] =
{
/* games requiring Mega Drive VDP (Mode 5) */
{0x47FA618D, 0, 1, SYSTEM_MS_GAMEPAD, MAPPER_SEGA, SYSTEM_PBC, REGION_USA}, /* Charles MacDonald's Mode 5 Demo Program */
/* games requiring 315-5124 VDP (Mark-III, Master System I) */
{0x32759751, 0, 1, SYSTEM_MS_GAMEPAD, MAPPER_SEGA, SYSTEM_SMS, REGION_JAPAN_NTSC}, /* Y's (J) */
/* games requiring Sega 315-5235 mapper without bank shifting */
{0x23BAC434, 0, 0, SYSTEM_MS_GAMEPAD, MAPPER_SEGA_X, SYSTEM_GG, REGION_USA}, /* Shining Force Gaiden - Final Conflict (JP) [T-Eng] */
/* games using Korean mappers */
{0x17AB6883, 0, 0, SYSTEM_MS_GAMEPAD, MAPPER_NONE, SYSTEM_SMS, REGION_JAPAN_NTSC}, /* FA Tetris (KR) */
{0x61E8806F, 0, 0, SYSTEM_MS_GAMEPAD, MAPPER_NONE, SYSTEM_SMS, REGION_JAPAN_NTSC}, /* Flash Point (KR) */
{0x445525E2, 0, 0, SYSTEM_MS_GAMEPAD, MAPPER_MSX, SYSTEM_SMS, REGION_JAPAN_NTSC}, /* Penguin Adventure (KR) */
{0x83F0EEDE, 0, 0, SYSTEM_MS_GAMEPAD, MAPPER_MSX, SYSTEM_SMS, REGION_JAPAN_NTSC}, /* Street Master (KR) */
{0xA05258F5, 0, 0, SYSTEM_MS_GAMEPAD, MAPPER_MSX, SYSTEM_SMS, REGION_JAPAN_NTSC}, /* Won-Si-In (KR) */
{0x06965ED9, 0, 0, SYSTEM_MS_GAMEPAD, MAPPER_MSX, SYSTEM_SMS, REGION_JAPAN_NTSC}, /* F-1 Spirit - The way to Formula-1 (KR) */
{0x77EFE84A, 0, 0, SYSTEM_MS_GAMEPAD, MAPPER_MSX, SYSTEM_SMS, REGION_JAPAN_NTSC}, /* Cyborg Z (KR) */
{0xF89AF3CC, 0, 0, SYSTEM_MS_GAMEPAD, MAPPER_MSX, SYSTEM_SMS, REGION_JAPAN_NTSC}, /* Knightmare II - The Maze of Galious (KR) */
{0x9195C34C, 0, 0, SYSTEM_MS_GAMEPAD, MAPPER_MSX, SYSTEM_SMS, REGION_JAPAN_NTSC}, /* Super Boy 3 (KR) */
{0x89B79E77, 0, 0, SYSTEM_MS_GAMEPAD, MAPPER_KOREA, SYSTEM_SMS, REGION_JAPAN_NTSC}, /* Dodgeball King (KR) */
{0x18FB98A3, 0, 0, SYSTEM_MS_GAMEPAD, MAPPER_KOREA, SYSTEM_SMS, REGION_JAPAN_NTSC}, /* Jang Pung 3 (KR) */
{0x97D03541, 0, 0, SYSTEM_MS_GAMEPAD, MAPPER_KOREA, SYSTEM_SMS, REGION_JAPAN_NTSC}, /* Sangokushi 3 (KR) */
{0x67C2F0FF, 0, 0, SYSTEM_MS_GAMEPAD, MAPPER_KOREA, SYSTEM_SMS, REGION_JAPAN_NTSC}, /* Super Boy 2 (KR) */
/* games using Codemaster mapper */
{0x29822980, 0, 0, SYSTEM_MS_GAMEPAD, MAPPER_CODIES, SYSTEM_SMS2, REGION_EUROPE}, /* Cosmic Spacehead */
{0x8813514B, 0, 0, SYSTEM_MS_GAMEPAD, MAPPER_CODIES, SYSTEM_SMS2, REGION_EUROPE}, /* Excellent Dizzy Collection, The [Proto] */
{0xB9664AE1, 0, 0, SYSTEM_MS_GAMEPAD, MAPPER_CODIES, SYSTEM_SMS2, REGION_EUROPE}, /* Fantastic Dizzy */
{0xA577CE46, 0, 0, SYSTEM_MS_GAMEPAD, MAPPER_CODIES, SYSTEM_SMS2, REGION_EUROPE}, /* Micro Machines */
{0xEA5C3A6F, 0, 0, SYSTEM_MS_GAMEPAD, MAPPER_CODIES, SYSTEM_SMS2, REGION_USA}, /* Dinobasher - Starring Bignose the Caveman [Proto] */
{0xAA140C9C, 0, 0, SYSTEM_MS_GAMEPAD, MAPPER_CODIES, SYSTEM_GGMS, REGION_USA}, /* Excellent Dizzy Collection, The [SMS-GG] */
{0xC888222B, 0, 0, SYSTEM_MS_GAMEPAD, MAPPER_CODIES, SYSTEM_GGMS, REGION_USA}, /* Fantastic Dizzy [SMS-GG] */
{0x76C5BDFB, 0, 0, SYSTEM_MS_GAMEPAD, MAPPER_CODIES, SYSTEM_GGMS, REGION_USA}, /* Jang Pung 2 [SMS-GG] */
{0x6CAA625B, 0, 0, SYSTEM_MS_GAMEPAD, MAPPER_CODIES, SYSTEM_GG, REGION_USA}, /* Cosmic Spacehead [GG]*/
{0x152F0DCC, 0, 0, SYSTEM_MS_GAMEPAD, MAPPER_CODIES, SYSTEM_GG, REGION_USA}, /* Drop Zone" */
{0x5E53C7F7, 0, 0, SYSTEM_MS_GAMEPAD, MAPPER_CODIES, SYSTEM_GG, REGION_USA}, /* Ernie Els Golf */
{0xD9A7F170, 0, 0, SYSTEM_MS_GAMEPAD, MAPPER_CODIES, SYSTEM_GG, REGION_USA}, /* Man Overboard! */
{0xF7C524F6, 0, 0, SYSTEM_MS_GAMEPAD, MAPPER_CODIES, SYSTEM_GG, REGION_USA}, /* Micro Machines [GG] */
{0xDBE8895C, 0, 0, SYSTEM_MS_GAMEPAD, MAPPER_CODIES, SYSTEM_GG, REGION_USA}, /* Micro Machines 2 - Turbo Tournament */
{0xC1756BEE, 0, 0, SYSTEM_MS_GAMEPAD, MAPPER_CODIES, SYSTEM_GG, REGION_USA}, /* Pete Sampras Tennis */
/* games using Serial EEPROM */
{0x36EBCD6D, 0, 0, SYSTEM_MS_GAMEPAD, MAPPER_93C46, SYSTEM_GG, REGION_USA}, /* Majors Pro Baseball */
{0x3D8D0DD6, 0, 0, SYSTEM_MS_GAMEPAD, MAPPER_93C46, SYSTEM_GG, REGION_USA}, /* World Series Baseball [v0] */
{0xBB38CFD7, 0, 0, SYSTEM_MS_GAMEPAD, MAPPER_93C46, SYSTEM_GG, REGION_USA}, /* World Series Baseball [v1] */
{0x578A8A38, 0, 0, SYSTEM_MS_GAMEPAD, MAPPER_93C46, SYSTEM_GG, REGION_USA}, /* World Series Baseball '95 */
/* games using Terebi Oekaki graphic board */
{0xDD4A661B, 0, 0, SYSTEM_MS_GAMEPAD, MAPPER_TEREBI, SYSTEM_SG, REGION_JAPAN_NTSC}, /* Terebi Oekaki */
/* games requiring JAPANESE region setting */
{0x71DEBA5A, 0, 0, SYSTEM_MS_GAMEPAD, MAPPER_SEGA, SYSTEM_GG, REGION_JAPAN_NTSC}, /* Pop Breaker */
{0xC9DD4E5F, 0, 0, SYSTEM_MS_GAMEPAD, MAPPER_SEGA, SYSTEM_SMS, REGION_JAPAN_NTSC}, /* Woody Pop (Super Arkanoid) */
/* games requiring Mark-III hardware (no Memory Control port) */
{0xBD1CC7DF, 0, 0, SYSTEM_MS_GAMEPAD, MAPPER_SEGA, SYSTEM_MARKIII, REGION_JAPAN_NTSC}, /* Super Tetris (K) */
{0x6D309AC5, 0, 0, SYSTEM_MS_GAMEPAD, MAPPER_SEGA, SYSTEM_MARKIII, REGION_JAPAN_NTSC}, /* Power Boggle Boggle (K) */
/* games requiring PAL timings */
{0x72420F38, 0, 0, SYSTEM_MS_GAMEPAD, MAPPER_SEGA, SYSTEM_SMS2, REGION_EUROPE}, /* Addams Familly */
{0x2D48C1D3, 0, 0, SYSTEM_MS_GAMEPAD, MAPPER_SEGA, SYSTEM_SMS2, REGION_EUROPE}, /* Back to the Future Part III */
{0x1CBB7BF1, 0, 0, SYSTEM_MS_GAMEPAD, MAPPER_SEGA, SYSTEM_SMS2, REGION_EUROPE}, /* Battlemaniacs (BR) */
{0x1B10A951, 0, 0, SYSTEM_MS_GAMEPAD, MAPPER_SEGA, SYSTEM_SMS2, REGION_EUROPE}, /* Bram Stoker's Dracula */
{0xC0E25D62, 0, 0, SYSTEM_MS_GAMEPAD, MAPPER_SEGA, SYSTEM_SMS2, REGION_EUROPE}, /* California Games II */
{0x45C50294, 0, 0, SYSTEM_MS_GAMEPAD, MAPPER_SEGA, SYSTEM_SMS2, REGION_EUROPE}, /* Jogos de Verao II (BR) */
{0xC9DBF936, 0, 0, SYSTEM_MS_GAMEPAD, MAPPER_SEGA, SYSTEM_SMS2, REGION_EUROPE}, /* Home Alone */
{0x0047B615, 0, 0, SYSTEM_MS_GAMEPAD, MAPPER_SEGA, SYSTEM_SMS2, REGION_EUROPE}, /* Predator2 */
{0xF42E145C, 0, 0, SYSTEM_MS_GAMEPAD, MAPPER_SEGA, SYSTEM_SMS2, REGION_EUROPE}, /* Quest for the Shaven Yak Starring Ren Hoek & Stimpy (BR) */
{0x9F951756, 0, 0, SYSTEM_MS_GAMEPAD, MAPPER_SEGA, SYSTEM_SMS2, REGION_EUROPE}, /* RoboCop 3 */
{0xF8176918, 0, 0, SYSTEM_MS_GAMEPAD, MAPPER_SEGA, SYSTEM_SMS2, REGION_EUROPE}, /* Sensible Soccer */
{0x1575581D, 0, 0, SYSTEM_MS_GAMEPAD, MAPPER_SEGA, SYSTEM_SMS2, REGION_EUROPE}, /* Shadow of the Beast */
{0x96B3F29E, 0, 0, SYSTEM_MS_GAMEPAD, MAPPER_SEGA, SYSTEM_SMS2, REGION_EUROPE}, /* Sonic Blast (BR) */
{0x5B3B922C, 0, 0, SYSTEM_MS_GAMEPAD, MAPPER_SEGA, SYSTEM_SMS2, REGION_EUROPE}, /* Sonic the Hedgehog 2 [V0] */
{0xD6F2BFCA, 0, 0, SYSTEM_MS_GAMEPAD, MAPPER_SEGA, SYSTEM_SMS2, REGION_EUROPE}, /* Sonic the Hedgehog 2 [V1] */
{0xCA1D3752, 0, 0, SYSTEM_MS_GAMEPAD, MAPPER_SEGA, SYSTEM_SMS2, REGION_EUROPE}, /* Space Harrier [50 Hz] */
{0x85CFC9C9, 0, 0, SYSTEM_MS_GAMEPAD, MAPPER_SEGA, SYSTEM_SMS2, REGION_EUROPE}, /* Taito Chase H.Q. */
{0x332A847D, 0, 0, SYSTEM_MS_GAMEPAD, MAPPER_SEGA, SYSTEM_SMS2, REGION_EUROPE}, /* NBA Jam [Proto] */
/* games running in Game Gear MS compatibility mode */
{0x59840FD6, 0, 0, SYSTEM_MS_GAMEPAD, MAPPER_SEGA, SYSTEM_GGMS, REGION_USA}, /* Castle of Illusion - Starring Mickey Mouse [SMS-GG] */
{0x9C76FB3A, 0, 0, SYSTEM_MS_GAMEPAD, MAPPER_SEGA, SYSTEM_GGMS, REGION_USA}, /* Rastan Saga [SMS-GG] */
{0xC8381DEF, 0, 0, SYSTEM_MS_GAMEPAD, MAPPER_SEGA, SYSTEM_GGMS, REGION_USA}, /* Taito Chase H.Q [SMS-GG] */
{0xDA8E95A9, 0, 0, SYSTEM_MS_GAMEPAD, MAPPER_SEGA, SYSTEM_GGMS, REGION_USA}, /* WWF Wrestlemania Steel Cage Challenge [SMS-GG] */
{0x1D93246E, 0, 0, SYSTEM_MS_GAMEPAD, MAPPER_SEGA, SYSTEM_GGMS, REGION_USA}, /* Olympic Gold [A][SMS-GG] */
{0xA2F9C7AF, 0, 0, SYSTEM_MS_GAMEPAD, MAPPER_SEGA, SYSTEM_GGMS, REGION_USA}, /* Olympic Gold [B][SMS-GG] */
{0x01EAB89D, 0, 0, SYSTEM_MS_GAMEPAD, MAPPER_SEGA, SYSTEM_GGMS, REGION_USA}, /* Out Run Europa [SMS-GG] */
{0xF037EC00, 0, 0, SYSTEM_MS_GAMEPAD, MAPPER_SEGA, SYSTEM_GGMS, REGION_USA}, /* Out Run Europa (US) [SMS-GG] */
{0xE5F789B9, 0, 0, SYSTEM_MS_GAMEPAD, MAPPER_SEGA, SYSTEM_GGMS, REGION_USA}, /* Predator 2 [SMS-GG] */
{0x311D2863, 0, 0, SYSTEM_MS_GAMEPAD, MAPPER_SEGA, SYSTEM_GGMS, REGION_USA}, /* Prince of Persia [A][SMS-GG] */
{0x45F058D6, 0, 0, SYSTEM_MS_GAMEPAD, MAPPER_SEGA, SYSTEM_GGMS, REGION_USA}, /* Prince of Persia [B][SMS-GG] */
{0x56201996, 0, 0, SYSTEM_MS_GAMEPAD, MAPPER_SEGA, SYSTEM_GGMS, REGION_USA}, /* R.C. Grand Prix [SMS-GG] */
{0x10DBBEF4, 0, 0, SYSTEM_MS_GAMEPAD, MAPPER_SEGA, SYSTEM_GGMS, REGION_USA}, /* Super Kick Off [SMS-GG] */
{0x9942B69B, 0, 0, SYSTEM_MS_GAMEPAD, MAPPER_SEGA, SYSTEM_GGMS, REGION_JAPAN_NTSC}, /* Castle of Illusion - Starring Mickey Mouse (J) [SMS-GG] */
{0x7BB81E3D, 0, 0, SYSTEM_MS_GAMEPAD, MAPPER_SEGA, SYSTEM_GGMS, REGION_JAPAN_NTSC}, /* Taito Chase H.Q (J) [SMS-GG] */
{0x6F8E46CF, 0, 0, SYSTEM_MS_GAMEPAD, MAPPER_SEGA, SYSTEM_GGMS, REGION_JAPAN_NTSC}, /* Alex Kidd in Miracle World (TW) [SMS-GG] */
{0x3382D73F, 0, 0, SYSTEM_MS_GAMEPAD, MAPPER_SEGA, SYSTEM_GGMS, REGION_JAPAN_NTSC}, /* Olympic Gold (TW) [SMS-GG] */
/* games requiring 3-D Glasses */
{0x6BD5C2BF, 1, 1, SYSTEM_MS_GAMEPAD, MAPPER_SEGA, SYSTEM_SMS2, REGION_USA}, /* Space Harrier 3-D */
{0x8ECD201C, 1, 1, SYSTEM_MS_GAMEPAD, MAPPER_SEGA, SYSTEM_SMS2, REGION_USA}, /* Blade Eagle 3-D */
{0xFBF96C81, 1, 1, SYSTEM_MS_GAMEPAD, MAPPER_SEGA, SYSTEM_SMS2, REGION_USA}, /* Blade Eagle 3-D (BR) */
{0x58D5FC48, 1, 1, SYSTEM_MS_GAMEPAD, MAPPER_SEGA, SYSTEM_SMS2, REGION_USA}, /* Blade Eagle 3-D [Proto] */
{0x31B8040B, 1, 1, SYSTEM_MS_GAMEPAD, MAPPER_SEGA, SYSTEM_SMS2, REGION_USA}, /* Maze Hunter 3-D */
{0xABD48AD2, 1, 1, SYSTEM_MS_GAMEPAD, MAPPER_SEGA, SYSTEM_SMS2, REGION_USA}, /* Poseidon Wars 3-D */
{0xA3EF13CB, 1, 1, SYSTEM_MS_GAMEPAD, MAPPER_SEGA, SYSTEM_SMS2, REGION_USA}, /* Zaxxon 3-D */
{0xBBA74147, 1, 1, SYSTEM_MS_GAMEPAD, MAPPER_SEGA, SYSTEM_SMS2, REGION_USA}, /* Zaxxon 3-D [Proto] */
{0xD6F43DDA, 1, 1, SYSTEM_MS_GAMEPAD, MAPPER_SEGA, SYSTEM_SMS2, REGION_USA}, /* Out Run 3-D */
{0x871562b0, 1, 1, SYSTEM_MS_GAMEPAD, MAPPER_SEGA, SYSTEM_SMS, REGION_JAPAN_NTSC}, /* Maze Walker */
{0x156948f9, 1, 1, SYSTEM_MS_GAMEPAD, MAPPER_SEGA, SYSTEM_SMS, REGION_JAPAN_NTSC}, /* Space Harrier 3-D (J) */
/* games requiring 3-D Glasses & Sega Light Phaser */
{0xFBE5CFBB, 1, 0, SYSTEM_LIGHTPHASER, MAPPER_SEGA, SYSTEM_SMS2, REGION_USA}, /* Missile Defense 3D */
{0xE79BB689, 1, 0, SYSTEM_LIGHTPHASER, MAPPER_SEGA, SYSTEM_SMS2, REGION_USA}, /* Missile Defense 3D [BIOS] */
/* games requiring Sega Light Phaser */
{0x861B6E79, 0, 0, SYSTEM_LIGHTPHASER, MAPPER_SEGA, SYSTEM_SMS2, REGION_USA}, /* Assault City [Light Phaser] */
{0x5FC74D2A, 0, 0, SYSTEM_LIGHTPHASER, MAPPER_SEGA, SYSTEM_SMS2, REGION_USA}, /* Gangster Town */
{0xE167A561, 0, 0, SYSTEM_LIGHTPHASER, MAPPER_SEGA, SYSTEM_SMS2, REGION_USA}, /* Hang-On / Safari Hunt */
{0x91E93385, 0, 0, SYSTEM_LIGHTPHASER, MAPPER_SEGA, SYSTEM_SMS2, REGION_USA}, /* Hang-On / Safari Hunt [BIOS] */
{0xE8EA842C, 0, 0, SYSTEM_LIGHTPHASER, MAPPER_SEGA, SYSTEM_SMS2, REGION_USA}, /* Marksman Shooting / Trap Shooting */
{0xE8215C2E, 0, 0, SYSTEM_LIGHTPHASER, MAPPER_SEGA, SYSTEM_SMS2, REGION_USA}, /* Marksman Shooting / Trap Shooting / Safari Hunt */
{0x205CAAE8, 0, 0, SYSTEM_LIGHTPHASER, MAPPER_SEGA, SYSTEM_SMS2, REGION_USA}, /* Operation Wolf */
{0x23283F37, 0, 0, SYSTEM_LIGHTPHASER, MAPPER_SEGA, SYSTEM_SMS2, REGION_USA}, /* Operation Wolf [A] */
{0xDA5A7013, 0, 0, SYSTEM_LIGHTPHASER, MAPPER_SEGA, SYSTEM_SMS2, REGION_USA}, /* Rambo 3 */
{0x79AC8E7F, 0, 1, SYSTEM_LIGHTPHASER, MAPPER_SEGA, SYSTEM_SMS2, REGION_USA}, /* Rescue Mission */
{0x4B051022, 0, 0, SYSTEM_LIGHTPHASER, MAPPER_SEGA, SYSTEM_SMS2, REGION_USA}, /* Shooting Gallery */
{0xA908CFF5, 0, 0, SYSTEM_LIGHTPHASER, MAPPER_SEGA, SYSTEM_SMS2, REGION_USA}, /* Spacegun */
{0x5359762D, 0, 0, SYSTEM_LIGHTPHASER, MAPPER_SEGA, SYSTEM_SMS2, REGION_USA}, /* Wanted */
{0x0CA95637, 0, 0, SYSTEM_LIGHTPHASER, MAPPER_SEGA, SYSTEM_SMS2, REGION_USA}, /* Laser Ghost */
/* games requiring Sega Paddle */
{0xF9DBB533, 0, 1, SYSTEM_PADDLE, MAPPER_SEGA, SYSTEM_SMS, REGION_JAPAN_NTSC}, /* Alex Kidd BMX Trial */
{0xA6FA42D0, 0, 1, SYSTEM_PADDLE, MAPPER_SEGA, SYSTEM_SMS, REGION_JAPAN_NTSC}, /* Galactic Protector */
{0x29BC7FAD, 0, 1, SYSTEM_PADDLE, MAPPER_SEGA, SYSTEM_SMS, REGION_JAPAN_NTSC}, /* Megumi Rescue */
{0x315917D4, 0, 0, SYSTEM_PADDLE, MAPPER_SEGA, SYSTEM_SMS, REGION_JAPAN_NTSC}, /* Woody Pop */
/* games requiring Sega Sport Pad */
{0x0CB7E21F, 0, 0, SYSTEM_SPORTSPAD, MAPPER_SEGA, SYSTEM_SMS2, REGION_USA}, /* Great Ice Hockey */
{0xE42E4998, 0, 0, SYSTEM_SPORTSPAD, MAPPER_SEGA, SYSTEM_SMS2, REGION_USA}, /* Sports Pad Football */
{0x41C948BF, 0, 0, SYSTEM_SPORTSPAD, MAPPER_SEGA, SYSTEM_SMS2, REGION_USA}, /* Sports Pad Soccer */
/* games supporting YM2413 FM */
{0x1C951F8E, 0, 1, SYSTEM_MS_GAMEPAD, MAPPER_SEGA, SYSTEM_SMS2, REGION_USA}, /* After Burner */
{0xC13896D5, 0, 1, SYSTEM_MS_GAMEPAD, MAPPER_SEGA, SYSTEM_SMS2, REGION_USA}, /* Alex Kidd: The Lost Stars */
{0x5CBFE997, 0, 1, SYSTEM_MS_GAMEPAD, MAPPER_SEGA, SYSTEM_SMS2, REGION_USA}, /* Alien Syndrome */
{0xBBA2FE98, 0, 1, SYSTEM_MS_GAMEPAD, MAPPER_SEGA, SYSTEM_SMS2, REGION_USA}, /* Altered Beast */
{0xFF614EB3, 0, 1, SYSTEM_MS_GAMEPAD, MAPPER_SEGA, SYSTEM_SMS2, REGION_USA}, /* Aztec Adventure */
{0x3084CF11, 0, 1, SYSTEM_MS_GAMEPAD, MAPPER_SEGA, SYSTEM_SMS2, REGION_USA}, /* Bomber Raid */
{0xAC6009A7, 0, 1, SYSTEM_MS_GAMEPAD, MAPPER_SEGA, SYSTEM_SMS2, REGION_USA}, /* California Games */
{0xA4852757, 0, 1, SYSTEM_MS_GAMEPAD, MAPPER_SEGA, SYSTEM_SMS2, REGION_USA}, /* Captain Silver */
{0xB81F6FA5, 0, 1, SYSTEM_MS_GAMEPAD, MAPPER_SEGA, SYSTEM_SMS2, REGION_USA}, /* Captain Silver (U) */
{0x3CFF6E80, 0, 1, SYSTEM_MS_GAMEPAD, MAPPER_SEGA, SYSTEM_SMS2, REGION_USA}, /* Casino Games */
{0xE7F62E6D, 0, 1, SYSTEM_MS_GAMEPAD, MAPPER_SEGA, SYSTEM_SMS2, REGION_USA}, /* Cloud Master */
{0x908E7524, 0, 1, SYSTEM_MS_GAMEPAD, MAPPER_SEGA, SYSTEM_SMS2, REGION_USA}, /* Cyborg Hunter */
{0xA55D89F3, 0, 1, SYSTEM_MS_GAMEPAD, MAPPER_SEGA, SYSTEM_SMS2, REGION_USA}, /* Double Dragon */
{0xB8B141F9, 0, 1, SYSTEM_MS_GAMEPAD, MAPPER_SEGA, SYSTEM_SMS2, REGION_USA}, /* Fantasy Zone II */
{0xD29889AD, 0, 1, SYSTEM_MS_GAMEPAD, MAPPER_SEGA, SYSTEM_SMS2, REGION_USA}, /* Fantasy Zone: The Maze */
{0xA4AC35D8, 0, 1, SYSTEM_MS_GAMEPAD, MAPPER_SEGA, SYSTEM_SMS2, REGION_USA}, /* Galaxy Force */
{0x6C827520, 0, 1, SYSTEM_MS_GAMEPAD, MAPPER_SEGA, SYSTEM_SMS2, REGION_USA}, /* Galaxy Force (U) */
{0x1890F407, 0, 1, SYSTEM_MS_GAMEPAD, MAPPER_SEGA, SYSTEM_SMS2, REGION_USA}, /* Game Box S<>rie Esportes Radicais (BR) */
{0xB746A6F5, 0, 1, SYSTEM_MS_GAMEPAD, MAPPER_SEGA, SYSTEM_SMS2, REGION_USA}, /* Global Defense */
{0x91A0FC4E, 0, 1, SYSTEM_MS_GAMEPAD, MAPPER_SEGA, SYSTEM_SMS2, REGION_USA}, /* Global Defense [Proto] */
{0x48651325, 0, 1, SYSTEM_MS_GAMEPAD, MAPPER_SEGA, SYSTEM_SMS2, REGION_USA}, /* Golfamania */
{0x5DABFDC3, 0, 1, SYSTEM_MS_GAMEPAD, MAPPER_SEGA, SYSTEM_SMS2, REGION_USA}, /* Golfamania [Proto] */
{0xA51376FE, 0, 1, SYSTEM_MS_GAMEPAD, MAPPER_SEGA, SYSTEM_SMS2, REGION_USA}, /* Golvellius - Valley of Doom */
{0x98E4AE4A, 0, 1, SYSTEM_MS_GAMEPAD, MAPPER_SEGA, SYSTEM_SMS2, REGION_USA}, /* Great Golf */
{0x516ED32E, 0, 1, SYSTEM_MS_GAMEPAD, MAPPER_SEGA, SYSTEM_SMS2, REGION_USA}, /* Kenseiden */
{0xE8511B08, 0, 1, SYSTEM_MS_GAMEPAD, MAPPER_SEGA, SYSTEM_SMS2, REGION_USA}, /* Lord of The Sword */
{0x0E333B6E, 0, 1, SYSTEM_MS_GAMEPAD, MAPPER_SEGA, SYSTEM_SMS2, REGION_USA}, /* Miracle Warriors - Seal of The Dark Lord */
{0x301A59AA, 0, 1, SYSTEM_MS_GAMEPAD, MAPPER_SEGA, SYSTEM_SMS2, REGION_USA}, /* Miracle Warriors - Seal of The Dark Lord [Proto] */
{0x01D67C0B, 0, 1, SYSTEM_MS_GAMEPAD, MAPPER_SEGA, SYSTEM_SMS2, REGION_USA}, /* M<>nica no Castelo do Drag<61>o (BR) */
{0x5589D8D2, 0, 1, SYSTEM_MS_GAMEPAD, MAPPER_SEGA, SYSTEM_SMS2, REGION_USA}, /* Out Run */
{0xE030E66C, 0, 1, SYSTEM_MS_GAMEPAD, MAPPER_SEGA, SYSTEM_SMS2, REGION_USA}, /* Parlour Games */
{0xF97E9875, 0, 1, SYSTEM_MS_GAMEPAD, MAPPER_SEGA, SYSTEM_SMS2, REGION_USA}, /* Penguin Land */
{0x4077EFD9, 0, 1, SYSTEM_MS_GAMEPAD, MAPPER_SEGA, SYSTEM_SMS2, REGION_USA}, /* Power Strike */
{0xBB54B6B0, 0, 1, SYSTEM_MS_GAMEPAD, MAPPER_SEGA, SYSTEM_SMS2, REGION_USA}, /* R-Type */
{0x42FC47EE, 0, 1, SYSTEM_MS_GAMEPAD, MAPPER_SEGA, SYSTEM_SMS2, REGION_USA}, /* Rampage */
{0xC547EB1B, 0, 1, SYSTEM_MS_GAMEPAD, MAPPER_SEGA, SYSTEM_SMS2, REGION_USA}, /* Rastan */
{0x9A8B28EC, 0, 1, SYSTEM_MS_GAMEPAD, MAPPER_SEGA, SYSTEM_SMS2, REGION_USA}, /* Scramble Spirits */
{0xAAB67EC3, 0, 1, SYSTEM_MS_GAMEPAD, MAPPER_SEGA, SYSTEM_SMS2, REGION_USA}, /* Shanghai */
{0x0C6FAC4E, 0, 1, SYSTEM_MS_GAMEPAD, MAPPER_SEGA, SYSTEM_SMS2, REGION_USA}, /* Shinobi */
{0x4752CAE7, 0, 1, SYSTEM_MS_GAMEPAD, MAPPER_SEGA, SYSTEM_SMS2, REGION_USA}, /* SpellCaster */
{0x1A390B93, 0, 1, SYSTEM_MS_GAMEPAD, MAPPER_SEGA, SYSTEM_SMS2, REGION_USA}, /* Tennis Ace */
{0xAE920E4B, 0, 1, SYSTEM_MS_GAMEPAD, MAPPER_SEGA, SYSTEM_SMS2, REGION_USA}, /* Thunder Blade */
{0x51BD14BE, 0, 1, SYSTEM_MS_GAMEPAD, MAPPER_SEGA, SYSTEM_SMS2, REGION_USA}, /* Time Soldiers */
{0x22CCA9BB, 0, 1, SYSTEM_MS_GAMEPAD, MAPPER_SEGA, SYSTEM_SMS2, REGION_USA}, /* Turma da M<>nica em: O Resgate (BR) */
{0xB52D60C8, 0, 1, SYSTEM_MS_GAMEPAD, MAPPER_SEGA, SYSTEM_SMS2, REGION_USA}, /* Ultima IV */
{0xDE9F8517, 0, 1, SYSTEM_MS_GAMEPAD, MAPPER_SEGA, SYSTEM_SMS2, REGION_USA}, /* Ultima IV [Proto] */
{0xDFB0B161, 0, 1, SYSTEM_MS_GAMEPAD, MAPPER_SEGA, SYSTEM_SMS2, REGION_USA}, /* Vigilante */
{0x679E1676, 0, 1, SYSTEM_MS_GAMEPAD, MAPPER_SEGA, SYSTEM_SMS2, REGION_USA}, /* Wonder Boy III: The Dragon's Trap */
{0x8CBEF0C1, 0, 1, SYSTEM_MS_GAMEPAD, MAPPER_SEGA, SYSTEM_SMS2, REGION_USA}, /* Wonder Boy in Monster Land */
{0x2F2E3BC9, 0, 1, SYSTEM_MS_GAMEPAD, MAPPER_SEGA, SYSTEM_SMS2, REGION_USA}, /* Zillion II - The Tri Formation */
{0x48D44A13, 0, 1, SYSTEM_MS_GAMEPAD, MAPPER_NONE, SYSTEM_SMS, REGION_JAPAN_NTSC}, /* BIOS (J) */
{0xD8C4165B, 0, 1, SYSTEM_MS_GAMEPAD, MAPPER_SEGA, SYSTEM_SMS, REGION_JAPAN_NTSC}, /* Aleste */
{0x4CC11DF9, 0, 1, SYSTEM_MS_GAMEPAD, MAPPER_SEGA, SYSTEM_SMS, REGION_JAPAN_NTSC}, /* Alien Syndrome (J) */
{0xE421E466, 0, 1, SYSTEM_MS_GAMEPAD, MAPPER_SEGA, SYSTEM_SMS, REGION_JAPAN_NTSC}, /* Chouon Senshi Borgman */
{0x2BCDB8FA, 0, 1, SYSTEM_MS_GAMEPAD, MAPPER_SEGA, SYSTEM_SMS, REGION_JAPAN_NTSC}, /* Doki Doki Penguin Land - Uchuu-Daibouken */
{0x56BD2455, 0, 1, SYSTEM_MS_GAMEPAD, MAPPER_SEGA, SYSTEM_SMS, REGION_JAPAN_NTSC}, /* Doki Doki Penguin Land - Uchuu-Daibouken [Proto] */
{0xC722FB42, 0, 1, SYSTEM_MS_GAMEPAD, MAPPER_SEGA, SYSTEM_SMS, REGION_JAPAN_NTSC}, /* Fantasy Zone II (J) */
{0x7ABC70E9, 0, 1, SYSTEM_MS_GAMEPAD, MAPPER_SEGA, SYSTEM_SMS, REGION_JAPAN_NTSC}, /* Family Games (Party Games) */
{0x6586BD1F, 0, 1, SYSTEM_MS_GAMEPAD, MAPPER_SEGA, SYSTEM_SMS, REGION_JAPAN_NTSC}, /* Masters Golf */
{0x4847BC91, 0, 1, SYSTEM_MS_GAMEPAD, MAPPER_SEGA, SYSTEM_SMS, REGION_JAPAN_NTSC}, /* Masters Golf [Proto] */
{0xB9FDF6D9, 0, 1, SYSTEM_MS_GAMEPAD, MAPPER_SEGA, SYSTEM_SMS, REGION_JAPAN_NTSC}, /* Haja no Fuuin */
{0x955A009E, 0, 1, SYSTEM_MS_GAMEPAD, MAPPER_SEGA, SYSTEM_SMS, REGION_JAPAN_NTSC}, /* Hoshi wo Sagashite */
{0x05EA5353, 0, 1, SYSTEM_MS_GAMEPAD, MAPPER_SEGA, SYSTEM_SMS, REGION_JAPAN_NTSC}, /* Kenseiden (J) */
{0xD11D32E4, 0, 1, SYSTEM_MS_GAMEPAD, MAPPER_SEGA, SYSTEM_SMS, REGION_JAPAN_NTSC}, /* Kujakuou */
{0xAA7D6F45, 0, 1, SYSTEM_MS_GAMEPAD, MAPPER_SEGA, SYSTEM_SMS, REGION_JAPAN_NTSC}, /* Lord of Sword */
{0xBF0411AD, 0, 1, SYSTEM_MS_GAMEPAD, MAPPER_SEGA, SYSTEM_SMS, REGION_JAPAN_NTSC}, /* Maou Golvellius */
{0x21A21352, 0, 1, SYSTEM_MS_GAMEPAD, MAPPER_SEGA, SYSTEM_SMS, REGION_JAPAN_NTSC}, /* Maou Golvellius [Proto] */
{0x5B5F9106, 0, 1, SYSTEM_MS_GAMEPAD, MAPPER_SEGA, SYSTEM_SMS, REGION_JAPAN_NTSC}, /* Nekyuu Kousien */
{0xBEA27D5C, 0, 1, SYSTEM_MS_GAMEPAD, MAPPER_SEGA, SYSTEM_SMS, REGION_JAPAN_NTSC}, /* Opa Opa */
{0x6605D36A, 0, 1, SYSTEM_MS_GAMEPAD, MAPPER_SEGA, SYSTEM_SMS, REGION_JAPAN_NTSC}, /* Phantasy Star (J) */
{0xE1FFF1BB, 0, 1, SYSTEM_MS_GAMEPAD, MAPPER_SEGA, SYSTEM_SMS, REGION_JAPAN_NTSC}, /* Shinobi (J) */
{0x11645549, 0, 1, SYSTEM_MS_GAMEPAD, MAPPER_SEGA, SYSTEM_SMS, REGION_JAPAN_NTSC}, /* Solomon no Kagi - Oujo Rihita no Namida */
{0x7E0EF8CB, 0, 1, SYSTEM_MS_GAMEPAD, MAPPER_SEGA, SYSTEM_SMS, REGION_JAPAN_NTSC}, /* Super Racing */
{0xB1DA6A30, 0, 1, SYSTEM_MS_GAMEPAD, MAPPER_SEGA, SYSTEM_SMS, REGION_JAPAN_NTSC}, /* Super Wonder Boy Monster World */
{0x8132AB2C, 0, 1, SYSTEM_MS_GAMEPAD, MAPPER_SEGA, SYSTEM_SMS, REGION_JAPAN_NTSC}, /* Tensai Bakabon */
{0xC0CE19B1, 0, 1, SYSTEM_MS_GAMEPAD, MAPPER_SEGA, SYSTEM_SMS, REGION_JAPAN_NTSC}, /* Thunder Blade (J) */
{0x07301F83, 0, 1, SYSTEM_MS_GAMEPAD, MAPPER_SEGA, SYSTEM_PBC, REGION_JAPAN_NTSC} /* Phantasy Star [Megadrive] (J) */
};
/* Cartridge & BIOS ROM hardware */
static romhw_t cart_rom;
static romhw_t bios_rom;
/* Current slot */
static struct
{
uint8 *rom;
uint8 *fcr;
uint8 mapper;
uint8 pages;
} slot;
/* Function prototypes */
static void mapper_reset(void);
static void mapper_8k_w(int offset, unsigned int data);
static void mapper_16k_w(int offset, unsigned int data);
static void write_mapper_none(unsigned int address, unsigned char data);
static void write_mapper_sega(unsigned int address, unsigned char data);
static void write_mapper_codies(unsigned int address, unsigned char data);
static void write_mapper_korea(unsigned int address, unsigned char data);
static void write_mapper_msx(unsigned int address, unsigned char data);
static void write_mapper_93c46(unsigned int address, unsigned char data);
static void write_mapper_terebi(unsigned int address, unsigned char data);
static unsigned char read_mapper_93c46(unsigned int address);
static unsigned char read_mapper_terebi(unsigned int address);
static unsigned char read_mapper_default(unsigned int address);
void sms_cart_init(void)
{
int i;
/* game CRC */
uint32 crc = crc32(0, cart.rom, cart.romsize);
/* use Master System controller by default */
uint8 device = SYSTEM_MS_GAMEPAD;
/* unmapped memory return $FF on read (mapped to unused cartridge areas $510000-$5103FF & $510400-$5107FF) */
memset(cart.rom + 0x510000, 0xFF, 0x800);
/* default cartridge ROM mapper */
cart_rom.mapper = (cart.romsize > 0xC000) ? MAPPER_SEGA : MAPPER_NONE;
/* disable 3-D Glasses by default */
cart.special = 0;
/* YM2413 chip in AUTO mode */
if (config.ym2413 & 2)
{
if ((system_hw & SYSTEM_SMS) && (region_code == REGION_JAPAN_NTSC))
{
/* japanese Master System has built-in FM chip */
config.ym2413 = 3;
}
else
{
/* by default, FM chip is disabled */
config.ym2413 = 2;
}
}
/* auto-detect game settings */
for (i=0; i<GAME_DATABASE_CNT; i++)
{
if (crc == game_list[i].crc)
{
/* auto-detect cartridge mapper */
cart_rom.mapper = game_list[i].mapper;
/* auto-detect required peripherals */
device = game_list[i].peripheral;
/* auto-detect 3D glasses support */
cart.special = game_list[i].g_3d;
/* auto-detect system hardware */
if (!config.system || ((config.system == SYSTEM_GG) && (game_list[i].system == SYSTEM_GGMS)))
{
system_hw = game_list[i].system;
}
/* auto-detect YM2413 chip support in AUTO mode */
if (config.ym2413 & 2)
{
config.ym2413 |= game_list[i].fm;
}
/* game found, leave loop */
i = GAME_DATABASE_CNT;
}
}
/* ROM paging */
if (cart_rom.mapper == MAPPER_NONE)
{
/* 1k ROM banks */
cart_rom.pages = cart.romsize >> 10;
}
else if (cart_rom.mapper == MAPPER_MSX)
{
/* 8k ROM banks */
cart_rom.pages = cart.romsize >> 13;
}
else
{
/* 16k ROM banks */
cart_rom.pages = cart.romsize >> 14;
}
/* initialize extra hardware */
if (cart_rom.mapper == MAPPER_93C46)
{
/* 93C46 eeprom */
gg_eeprom_init();
}
else if (cart_rom.mapper == MAPPER_TEREBI)
{
/* Terebi Oekaki tablet */
cart.special |= HW_TEREBI_OEKAKI;
}
/* initialize SRAM */
sram_init();
/* restore previous input settings */
if (old_system[0] != -1)
{
input.system[0] = old_system[0];
}
if (old_system[1] != -1)
{
input.system[1] = old_system[1];
}
/* default gun offset */
input.x_offset = 20;
input.y_offset = 0;
/* save current settings */
if (old_system[0] == -1)
{
old_system[0] = input.system[0];
}
if (old_system[1] == -1)
{
old_system[1] = input.system[1];
}
/* force port A & port B configuration */
input.system[0] = device;
input.system[1] = SYSTEM_MS_GAMEPAD;
/* SpaceGun & Gangster Town use different gun offset */
if ((crc == 0x5359762D) || (crc == 0x5FC74D2A))
{
input.x_offset = 16;
}
/* BIOS support */
if (config.bios & 0x01)
{
/* verify that BIOS is not already loaded */
if (!(config.bios & (system_hw & 0xF0)))
{
FILE *fp = NULL;
/* reset BIOS size */
int bios_size = 0;
/* mark both BIOS as unloaded */
config.bios &= ~(SYSTEM_SMS | SYSTEM_GG);
/* open BIOS file */
switch (system_hw)
{
case SYSTEM_GG:
case SYSTEM_GGMS:
fp = fopen(GG_BIOS, "rb");
break;
case SYSTEM_SMS:
case SYSTEM_SMS2:
fp = fopen(MS_BIOS, "rb");
break;
default:
break;
}
/* try to load BIOS file */
if (fp != NULL)
{
/* get file size */
int size;
fseek(fp, 0, SEEK_END);
size = ftell(fp);
fseek(fp, 0, SEEK_SET);
/* BIOS ROM is stored above cartridge ROM area, into $400000-$4FFFFF (max. 1MB) */
if ((size <= 0x100000) && (cart.romsize <= 0x400000))
{
/* BIOS ROM size */
bios_size = size;
/* read bytes chunks */
while (size > 2048)
{
fread(cart.rom + 0x400000 + bios_size - size, 2048, 1, fp);
size -= 2048;
}
/* read remaining bytes */
fread(cart.rom + 0x400000 + bios_size - size, size, 1, fp);
/* mark BIOS ROM as loaded */
config.bios |= (system_hw & 0xF0);
}
/* close file */
fclose(fp);
}
/* BIOS ROM mapper */
if (bios_size > 0xC000)
{
/* assume SEGA mapper if BIOS ROM is larger than 48k */
bios_rom.mapper = MAPPER_SEGA;
bios_rom.pages = bios_size >> 14;
}
else
{
bios_rom.mapper = MAPPER_NONE;
bios_rom.pages = bios_size >> 10;
}
}
/* check if BIOS has been correctly loaded */
if (bios_rom.pages)
{
/* unload cartridge if required */
if (!(config.bios & 2))
{
cart_rom.pages = 0;
}
}
}
else /* BIOS support disabled */
{
/* unload BIOS */
bios_rom.pages = 0;
/* mark both BIOS as unloaded */
config.bios &= ~(SYSTEM_SMS | SYSTEM_GG);
}
}
void sms_cart_reset(void)
{
/* reset BIOS ROM paging (SEGA mapper by default) */
bios_rom.fcr[0] = 0;
bios_rom.fcr[1] = 0;
bios_rom.fcr[2] = 1;
bios_rom.fcr[3] = 2;
/* reset cartridge ROM paging */
switch (cart_rom.mapper)
{
case MAPPER_SEGA:
case MAPPER_SEGA_X:
cart_rom.fcr[0] = 0;
cart_rom.fcr[1] = 0;
cart_rom.fcr[2] = 1;
cart_rom.fcr[3] = 2;
break;
case MAPPER_MSX:
cart_rom.fcr[0] = 0;
cart_rom.fcr[1] = 0;
cart_rom.fcr[2] = 0;
cart_rom.fcr[3] = 0;
break;
default:
cart_rom.fcr[0] = 0;
cart_rom.fcr[1] = 0;
cart_rom.fcr[2] = 1;
cart_rom.fcr[3] = 0;
break;
}
/* check if BIOS is larger than 1k */
if (bios_rom.pages > 1)
{
/* enable BIOS ROM */
slot.rom = cart.rom + 0x400000;
slot.fcr = bios_rom.fcr;
slot.mapper = bios_rom.mapper;
slot.pages = bios_rom.pages;
}
else
{
/* enable cartridge ROM */
slot.rom = cart.rom;
slot.fcr = cart_rom.fcr;
slot.mapper = cart_rom.mapper;
slot.pages = cart_rom.pages;
/* force Memory Control register value in RAM (usually set by Master System BIOS) */
if (system_hw & SYSTEM_SMS)
{
work_ram[0] = 0xA8;
}
}
/* reset Memory Control register (RAM & I/O are enabled, either BIOS or Cartridge ROM are enabled) */
io_reg[0x0E] = bios_rom.pages ? 0xE0 : 0xA8;
/* reset Z80 memory map */
mapper_reset();
/* 1k BIOS special case (Majesco GG) */
if (bios_rom.pages == 1)
{
/* BIOS ROM is mapped to $0000-$03FF */
z80_readmap[0] = cart.rom + 0x400000;
}
}
void sms_cart_switch(uint8 mode)
{
/* by default, disable cartridge & BIOS ROM */
slot.pages = 0;
/* cartridge ROM enabled ? */
if (mode & 0x40)
{
/* check if cartridge is loaded */
if (cart_rom.pages)
{
/* map cartridge ROM */
slot.rom = cart.rom;
slot.fcr = cart_rom.fcr;
slot.mapper = cart_rom.mapper;
slot.pages = cart_rom.pages;
}
}
else
{
/* BIOS ROM enabled ? */
if (mode & 0x08)
{
/* check if BIOS ROM is larger than 1K */
if (bios_rom.pages > 1)
{
/* map BIOS ROM */
slot.rom = cart.rom + 0x400000;
slot.fcr = bios_rom.fcr;
slot.mapper = bios_rom.mapper;
slot.pages = bios_rom.pages;
}
else
{
/* by default, map cartridge ROM */
slot.rom = cart.rom;
slot.fcr = cart_rom.fcr;
slot.mapper = cart_rom.mapper;
slot.pages = cart_rom.pages;
}
}
/* assume only BIOS would disable cartridge slot */
if (!bios_rom.pages)
{
/* max. BIOS ROM size supported is 1MB */
if (cart.romsize <= 0x100000)
{
/* copy to BIOS ROM */
memcpy(cart.rom + 0x400000, cart.rom, cart.romsize);
memcpy(bios_rom.fcr, cart_rom.fcr, 4);
bios_rom.mapper = cart_rom.mapper;
bios_rom.pages = cart_rom.pages;
/* unload cartridge */
cart_rom.pages = 0;
}
}
}
/* reset Z80 memory map */
mapper_reset();
/* 1k BIOS special case (Majesco GG) */
if ((bios_rom.pages == 1) && ((mode & 0x48) == 0x08))
{
/* BIOS ROM is mapped to $0000-$03FF */
z80_readmap[0] = cart.rom + 0x400000;
}
}
int sms_cart_region_detect(void)
{
int i;
/* compute CRC */
uint32 crc = crc32(0, cart.rom, cart.romsize);
/* Turma da M<>nica em: O Resgate & Wonder Boy III enable FM support on japanese hardware only */
if (config.ym2413 && ((crc == 0x22CCA9BB) || (crc == 0x679E1676)))
{
return REGION_JAPAN_NTSC;
}
/* game database */
for (i=0; i<GAME_DATABASE_CNT; i++)
{
if (crc == game_list[i].crc)
{
return game_list[i].region;
}
}
/* Mark-III hardware */
if (system_hw == SYSTEM_MARKIII)
{
/* Japan */
return REGION_JAPAN_NTSC;
}
/* default region */
return REGION_USA;
}
int sms_cart_context_save(uint8 *state)
{
int bufferptr = 0;
save_param(slot.fcr, 4);
return bufferptr;
}
int sms_cart_context_load(uint8 *state)
{
int bufferptr = 0;
load_param(slot.fcr, 4);
return bufferptr;
}
static void mapper_reset(void)
{
int i;
/* reset internal RAM mapping */
if (system_hw == SYSTEM_SG)
{
/* $C000-$FFFF mapped to 2k mirrored RAM */
for (i = 0x30; i < 0x40; i++)
{
z80_readmap[i] = z80_writemap[i] = &work_ram[(i & 0x01) << 10];
}
}
else
{
/* $C000-$FFFF mapped to 8k mirrored RAM */
for (i = 0x30; i < 0x40; i++)
{
z80_readmap[i] = z80_writemap[i] = &work_ram[(i & 0x07) << 10];
}
}
/* check if ROM is disabled */
if (!slot.pages)
{
/* $0000-$BFFF mapped to unused cartridge areas */
for(i = 0x00; i < 0x30; i++)
{
z80_writemap[i] = cart.rom + 0x510000;
z80_readmap[i] = cart.rom + 0x510400;
}
/* set default Z80 memory handlers */
z80_readmem = read_mapper_default;
z80_writemem = write_mapper_none;
return;
}
/* $0000-$3FFF mapped to ROM (first 16k) by default */
for (i = 0x00; i < 0x20; i++)
{
z80_readmap[i] = &slot.rom[i << 10];
z80_writemap[i] = cart.rom + 0x510000; /* unused area */
}
/* reset default $4000-$BFFF mapping (32k) */
if ((slot.mapper == MAPPER_NONE) || (slot.mapper == MAPPER_TEREBI))
{
/* $4000-$7FFF mapped to ROM (16k) */
for (i = 0x00; i < 0x20; i++)
{
z80_readmap[i] = &slot.rom[i << 10];
z80_writemap[i] = cart.rom + 0x510000; /* unused area */
}
/* enable 16k external RAM by default with 32k ROM (The Castle) */
if (slot.pages > 0x20)
{
/* $8000-$BFFF mapped to ROM (16k) */
for (i = 0x20; i < 0x30; i++)
{
z80_readmap[i] = &slot.rom[i << 10];
z80_writemap[i] = cart.rom + 0x510000; /* unused area */
}
}
else
{
/* $8000-$BFFF mapped to external RAM (16k) */
for (i = 0x20; i < 0x30; i++)
{
z80_readmap[i] = z80_writemap[i] = &sram.sram[(i & 0x0F) << 10];
}
}
}
else
{
/* ROM paging */
if (slot.mapper == MAPPER_MSX)
{
mapper_8k_w(0,slot.fcr[0]);
mapper_8k_w(1,slot.fcr[1]);
mapper_8k_w(2,slot.fcr[2]);
mapper_8k_w(3,slot.fcr[3]);
}
else
{
mapper_16k_w(0,slot.fcr[0]);
mapper_16k_w(1,slot.fcr[1]);
mapper_16k_w(2,slot.fcr[2]);
mapper_16k_w(3,slot.fcr[3]);
}
}
/* reset Z80 memory handlers */
switch (slot.mapper)
{
case MAPPER_NONE:
z80_readmem = read_mapper_default;
z80_writemem = write_mapper_none;
break;
case MAPPER_CODIES:
z80_readmem = read_mapper_default;
z80_writemem = write_mapper_codies;
break;
case MAPPER_KOREA:
z80_readmem = read_mapper_default;
z80_writemem = write_mapper_korea;
break;
case MAPPER_MSX:
z80_readmem = read_mapper_default;
z80_writemem = write_mapper_msx;
break;
case MAPPER_93C46:
z80_readmem = read_mapper_93c46;
z80_writemem = write_mapper_93c46;
break;
case MAPPER_TEREBI:
z80_readmem = read_mapper_terebi;
z80_writemem = write_mapper_terebi;
break;
default:
z80_readmem = read_mapper_default;
z80_writemem = write_mapper_sega;
break;
}
}
static void mapper_8k_w(int offset, unsigned int data)
{
int i;
/* cartridge ROM page (8k) */
uint8 page = data % slot.pages;
/* Save frame control register data */
slot.fcr[offset] = data;
/* 4 x 8k banks */
switch (offset & 3)
{
case 0: /* cartridge ROM bank (8k) at $8000-$9FFF */
{
for (i = 0x20; i < 0x28; i++)
{
z80_readmap[i] = &slot.rom[(page << 13) | ((i & 0x07) << 10)];
}
break;
}
case 1: /* cartridge ROM bank (8k) at $A000-$BFFF */
{
for (i = 0x28; i < 0x30; i++)
{
z80_readmap[i] = &slot.rom[(page << 13) | ((i & 0x07) << 10)];
}
break;
}
case 2: /* cartridge ROM bank (8k) at $4000-$5FFF */
{
for (i = 0x10; i < 0x18; i++)
{
z80_readmap[i] = &slot.rom[(page << 13) | ((i & 0x07) << 10)];
}
break;
}
case 3: /* cartridge ROM bank (8k) at $6000-$7FFF */
{
for (i = 0x18; i < 0x20; i++)
{
z80_readmap[i] = &slot.rom[(page << 13) | ((i & 0x07) << 10)];
}
break;
}
}
#ifdef NGC
/* update ROM patches */
ROMCheatUpdate();
#endif
}
static void mapper_16k_w(int offset, unsigned int data)
{
int i;
/* cartridge ROM page (16k) */
uint8 page = data % slot.pages;
/* page index increment (SEGA mapper only) */
if ((slot.fcr[0] & 0x03) && (slot.mapper == MAPPER_SEGA))
{
page = (page + ((4 - (slot.fcr[0] & 0x03)) << 3)) % slot.pages;
}
/* save frame control register data */
slot.fcr[offset] = data;
switch (offset)
{
case 0: /* control register (SEGA mapper only) */
{
if (data & 0x08)
{
/* external RAM (upper or lower 16K) mapped at $8000-$BFFF */
for (i = 0x20; i < 0x30; i++)
{
z80_readmap[i] = z80_writemap[i] = &sram.sram[((data & 0x04) << 12) + ((i & 0x0F) << 10)];
}
}
else
{
/* cartridge ROM page (16k) */
page = slot.fcr[3] % slot.pages;
/* page index increment (SEGA mapper) */
if ((data & 0x03) && (slot.mapper == MAPPER_SEGA))
{
page = (page + ((4 - (data & 0x03)) << 3)) % slot.pages;
}
/* cartridge ROM mapped at $8000-$BFFF */
for (i = 0x20; i < 0x30; i++)
{
z80_readmap[i] = &slot.rom[(page << 14) | ((i & 0x0F) << 10)];
z80_writemap[i] = cart.rom + 0x510000; /* unused area */
}
}
if (data & 0x10)
{
/* external RAM (lower 16K) mapped at $C000-$FFFF */
for (i = 0x30; i < 0x40; i++)
{
z80_readmap[i] = z80_writemap[i] = &sram.sram[(i & 0x0F) << 10];
}
}
else
{
/* internal RAM (8K mirrorred) mapped at $C000-$FFFF */
for (i = 0x30; i < 0x40; i++)
{
z80_readmap[i] = z80_writemap[i] = &work_ram[(i & 0x07) << 10];
}
}
break;
}
case 1: /* cartridge ROM bank (16k) at $0000-$3FFF */
{
/* first 1k is not fixed (CODEMASTER mapper only) */
if (slot.mapper == MAPPER_CODIES)
{
z80_readmap[0] = &slot.rom[(page << 14)];
}
for (i = 0x01; i < 0x10; i++)
{
z80_readmap[i] = &slot.rom[(page << 14) | ((i & 0x0F) << 10)];
}
break;
}
case 2: /* cartridge ROM bank (16k) at $4000-$7FFF */
{
for (i = 0x10; i < 0x20; i++)
{
z80_readmap[i] = &slot.rom[(page << 14) | ((i & 0x0F) << 10)];
}
/* cartridge RAM switch (CODEMASTER mapper only, see Ernie Elf's Golf) */
if (slot.mapper == MAPPER_CODIES)
{
if (data & 0x80)
{
/* external RAM (8k) mapped at $A000-$BFFF */
for (i = 0x28; i < 0x30; i++)
{
z80_readmap[i] = z80_writemap[i] = &sram.sram[(i & 0x0F) << 10];
}
}
else
{
/* cartridge ROM page (16k) */
page = slot.fcr[3] % slot.pages;
/* cartridge ROM mapped at $A000-$BFFF */
for (i = 0x28; i < 0x30; i++)
{
z80_readmap[i] = &slot.rom[(page << 14) | ((i & 0x0F) << 10)];
z80_writemap[i] = cart.rom + 0x510000; /* unused area */
}
}
}
break;
}
case 3: /* cartridge ROM bank (16k) at $8000-$BFFF */
{
/* check that external RAM (16k) is not mapped at $8000-$BFFF (SEGA mapper only) */
if ((slot.fcr[0] & 0x08)) break;
/* first 8k */
for (i = 0x20; i < 0x28; i++)
{
z80_readmap[i] = &slot.rom[(page << 14) | ((i & 0x0F) << 10)];
}
/* check that cartridge RAM (8k) is not mapped at $A000-$BFFF (CODEMASTER mapper only) */
if ((slot.mapper == MAPPER_CODIES) && (slot.fcr[2] & 0x80)) break;
/* last 8k */
for (i = 0x28; i < 0x30; i++)
{
z80_readmap[i] = &slot.rom[(page << 14) | ((i & 0x0F) << 10)];
}
break;
}
}
#ifdef NGC
/* update ROM patches */
ROMCheatUpdate();
#endif
}
static void write_mapper_none(unsigned int address, unsigned char data)
{
z80_writemap[address >> 10][address & 0x03FF] = data;
}
static void write_mapper_sega(unsigned int address, unsigned char data)
{
if (address >= 0xFFFC)
{
mapper_16k_w(address & 3, data);
}
z80_writemap[address >> 10][address & 0x03FF] = data;
}
static void write_mapper_codies(unsigned int address, unsigned char data)
{
if (address == 0x0000)
{
mapper_16k_w(1,data);
return;
}
if (address == 0x4000)
{
mapper_16k_w(2,data);
return;
}
if (address == 0x8000)
{
mapper_16k_w(3,data);
return;
}
z80_writemap[address >> 10][address & 0x03FF] = data;
}
static void write_mapper_korea(unsigned int address, unsigned char data)
{
if (address == 0xA000)
{
mapper_16k_w(3,data);
return;
}
z80_writemap[address >> 10][address & 0x03FF] = data;
}
static void write_mapper_msx(unsigned int address, unsigned char data)
{
if (address <= 0x0003)
{
mapper_8k_w(address,data);
return;
}
z80_writemap[address >> 10][address & 0x03FF] = data;
}
static void write_mapper_93c46(unsigned int address, unsigned char data)
{
if ((address == 0x8000) && gg_eeprom.enabled)
{
gg_eeprom_write(data);
return;
}
if (address == 0xFFFC)
{
gg_eeprom_ctrl(data);
}
if (address > 0xFFFC)
{
mapper_16k_w(address & 3, data);
}
z80_writemap[address >> 10][address & 0x03FF] = data;
}
static void write_mapper_terebi(unsigned int address, unsigned char data)
{
if (address == 0x6000)
{
terebi_oekaki_write(data);
return;
}
z80_writemap[address >> 10][address & 0x03FF] = data;
}
static unsigned char read_mapper_93c46(unsigned int address)
{
if ((address == 0x8000) && gg_eeprom.enabled)
{
return gg_eeprom_read();
}
return z80_readmap[address >> 10][address & 0x03FF];
}
static unsigned char read_mapper_terebi(unsigned int address)
{
if (address == 0x8000)
{
return (terebi_oekaki_read() >> 8);
}
if (address == 0xA000)
{
return (terebi_oekaki_read() & 0xFF);
}
return z80_readmap[address >> 10][address & 0x03FF];
}
static unsigned char read_mapper_default(unsigned int address)
{
return z80_readmap[address >> 10][address & 0x03FF];
}
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