mirror of
https://github.com/ekeeke/Genesis-Plus-GX.git
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1400 lines
52 KiB
C
1400 lines
52 KiB
C
/****************************************************************************
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* Genesis Plus
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* SG-1000, Master System & Game Gear cartridge hardware support
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*
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* Copyright (C) 2007-2016 Eke-Eke (Genesis Plus GX)
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*
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* Redistribution and use of this code or any derivative works are permitted
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* provided that the following conditions are met:
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*
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* - Redistributions may not be sold, nor may they be used in a commercial
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* product or activity.
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*
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* - Redistributions that are modified from the original source must include the
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* complete source code, including the source code for all components used by a
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* binary built from the modified sources. However, as a special exception, the
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* source code distributed need not include anything that is normally distributed
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* (in either source or binary form) with the major components (compiler, kernel,
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* and so on) of the operating system on which the executable runs, unless that
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* component itself accompanies the executable.
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*
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* - Redistributions must reproduce the above copyright notice, this list of
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* conditions and the following disclaimer in the documentation and/or other
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* materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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****************************************************************************************/
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#include "shared.h"
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#include "eeprom_93c.h"
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#include "terebi_oekaki.h"
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#define MAPPER_NONE (0x00)
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#define MAPPER_TEREBI (0x01)
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#define MAPPER_RAM_2K (0x02)
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#define MAPPER_RAM_8K_EXT1 (0x03)
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#define MAPPER_RAM_8K_EXT2 (0x04)
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#define MAPPER_SEGA (0x10)
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#define MAPPER_SEGA_X (0x11)
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#define MAPPER_93C46 (0x12)
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#define MAPPER_CODIES (0x13)
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#define MAPPER_MULTI_16K (0x14)
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#define MAPPER_KOREA (0x15)
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#define MAPPER_KOREA_16K (0x16)
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#define MAPPER_KOREA_8K (0x20)
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#define MAPPER_MSX (0x21)
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#define MAPPER_MSX_NEMESIS (0x22)
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#define MAPPER_MULTI_32K (0x40)
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typedef struct
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{
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uint32 crc;
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uint8 g_3d;
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uint8 fm;
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uint8 peripheral;
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uint8 mapper;
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uint8 system;
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uint8 region;
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} rominfo_t;
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typedef struct
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{
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uint8 fcr[4];
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uint8 mapper;
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uint16 pages;
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} romhw_t;
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static const rominfo_t game_list[] =
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{
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/* program requiring Mega Drive VDP (Mode 5) */
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{0x47FA618D, 0, 1, 0, MAPPER_SEGA, SYSTEM_PBC, REGION_USA}, /* Charles MacDonald's Mode 5 Demo Program */
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/* game requiring SEGA mapper */
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{0xFF67359B, 0, 0, 0, MAPPER_SEGA, SYSTEM_SMS2, REGION_USA}, /* DataStorm (homebrew) */
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/* games requiring 315-5124 VDP (Mark-III, Master System I) */
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{0x32759751, 0, 1, 0, MAPPER_SEGA, SYSTEM_SMS, REGION_JAPAN_NTSC}, /* Y's (J) */
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{0xE8B82066, 0, 1, 0, MAPPER_SEGA, SYSTEM_SMS, REGION_JAPAN_NTSC}, /* Y's (J) [Demo] */
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/* games requiring Sega 315-5235 mapper without bank shifting */
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{0x23BAC434, 0, 0, 0, MAPPER_SEGA_X, SYSTEM_GG, REGION_USA}, /* Shining Force Gaiden - Final Conflict (JP) [T-Eng] */
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/* games using "Korean" mappers */
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{0x445525E2, 0, 0, 0, MAPPER_MSX, SYSTEM_SMS, REGION_JAPAN_NTSC}, /* Penguin Adventure (KR) */
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{0x83F0EEDE, 0, 0, 0, MAPPER_MSX, SYSTEM_SMS, REGION_JAPAN_NTSC}, /* Street Master (KR) */
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{0xA05258F5, 0, 0, 0, MAPPER_MSX, SYSTEM_SMS, REGION_JAPAN_NTSC}, /* Won-Si-In (KR) */
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{0x06965ED9, 0, 0, 0, MAPPER_MSX, SYSTEM_SMS, REGION_JAPAN_NTSC}, /* F-1 Spirit - The way to Formula-1 (KR) */
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{0x77EFE84A, 0, 0, 0, MAPPER_MSX, SYSTEM_SMS, REGION_JAPAN_NTSC}, /* Cyborg Z (KR) */
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{0xF89AF3CC, 0, 0, 0, MAPPER_MSX, SYSTEM_SMS, REGION_JAPAN_NTSC}, /* Knightmare II - The Maze of Galious (KR) */
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{0x9195C34C, 0, 0, 0, MAPPER_MSX, SYSTEM_SMS, REGION_JAPAN_NTSC}, /* Super Boy 3 (KR) */
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{0xE316C06D, 0, 0, 0, MAPPER_MSX_NEMESIS, SYSTEM_SMS, REGION_JAPAN_NTSC}, /* Nemesis (KR) */
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{0x0A77FA5E, 0, 0, 0, MAPPER_MSX, SYSTEM_SMS, REGION_JAPAN_NTSC}, /* Nemesis 2 (KR) */
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{0x89B79E77, 0, 0, 0, MAPPER_KOREA, SYSTEM_SMS, REGION_JAPAN_NTSC}, /* Dodgeball King (KR) */
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{0x929222C4, 0, 0, 0, MAPPER_KOREA, SYSTEM_SMS, REGION_JAPAN_NTSC}, /* Jang Pung II (KR) */
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{0x18FB98A3, 0, 0, 0, MAPPER_KOREA, SYSTEM_SMS, REGION_JAPAN_NTSC}, /* Jang Pung 3 (KR) */
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{0x97D03541, 0, 0, 0, MAPPER_KOREA, SYSTEM_SMS, REGION_JAPAN_NTSC}, /* Sangokushi 3 (KR) */
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{0x192949D5, 0, 0, 0, MAPPER_KOREA_8K, SYSTEM_SMS, REGION_JAPAN_NTSC}, /* Janggun-ui Adeul (KR) */
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{0x76C5BDFB, 0, 0, 0, MAPPER_KOREA_16K, SYSTEM_GGMS, REGION_JAPAN_NTSC}, /* Jang Pung II [SMS-GG] (KR) */
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{0x9FA727A0, 0, 0, 0, MAPPER_KOREA_16K, SYSTEM_GGMS, REGION_USA}, /* Street Hero [Proto 0] [SMS-GG] (US) */
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{0xFB481971, 0, 0, 0, MAPPER_KOREA_16K, SYSTEM_GGMS, REGION_USA}, /* Street Hero [Proto 1] [SMS-GG] (US) */
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{0xA67F2A5C, 0, 0, 0, MAPPER_MULTI_16K, SYSTEM_SMS, REGION_JAPAN_NTSC}, /* 4-Pak All Action (KR) */
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{0x98AF0236, 0, 0, 0, MAPPER_MULTI_32K, SYSTEM_SMS, REGION_JAPAN_NTSC}, /* Hi-Com 3-in-1 The Best Game Collection (Vol. 1) (KR) */
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{0x6EBFE1C3, 0, 0, 0, MAPPER_MULTI_32K, SYSTEM_SMS, REGION_JAPAN_NTSC}, /* Hi-Com 3-in-1 The Best Game Collection (Vol. 2) (KR) */
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{0x81A36A4F, 0, 0, 0, MAPPER_MULTI_32K, SYSTEM_SMS, REGION_JAPAN_NTSC}, /* Hi-Com 3-in-1 The Best Game Collection (Vol. 3) (KR) */
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{0x8D2D695D, 0, 0, 0, MAPPER_MULTI_32K, SYSTEM_SMS, REGION_JAPAN_NTSC}, /* Hi-Com 3-in-1 The Best Game Collection (Vol. 4) (KR) */
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{0x82C09B57, 0, 0, 0, MAPPER_MULTI_32K, SYSTEM_SMS, REGION_JAPAN_NTSC}, /* Hi-Com 3-in-1 The Best Game Collection (Vol. 5) (KR) */
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{0x4088EEB4, 0, 0, 0, MAPPER_MULTI_32K, SYSTEM_SMS, REGION_JAPAN_NTSC}, /* Hi-Com 3-in-1 The Best Game Collection (Vol. 6) (KR) */
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{0xFBA94148, 0, 0, 0, MAPPER_MULTI_32K, SYSTEM_SMS, REGION_JAPAN_NTSC}, /* Hi-Com 8-in-1 The Best Game Collection (Vol. 1) (KR) */
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{0x8333C86E, 0, 0, 0, MAPPER_MULTI_32K, SYSTEM_SMS, REGION_JAPAN_NTSC}, /* Hi-Com 8-in-1 The Best Game Collection (Vol. 2) (KR) */
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{0x00E9809F, 0, 0, 0, MAPPER_MULTI_32K, SYSTEM_SMS, REGION_JAPAN_NTSC}, /* Hi-Com 8-in-1 The Best Game Collection (Vol. 3) (KR) */
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/* games using Codemaster mapper */
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{0x29822980, 0, 0, 0, MAPPER_CODIES, SYSTEM_SMS2, REGION_EUROPE}, /* Cosmic Spacehead */
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{0x8813514B, 0, 0, 0, MAPPER_CODIES, SYSTEM_SMS2, REGION_EUROPE}, /* Excellent Dizzy Collection, The [Proto] */
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{0xB9664AE1, 0, 0, 0, MAPPER_CODIES, SYSTEM_SMS2, REGION_EUROPE}, /* Fantastic Dizzy */
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{0xA577CE46, 0, 0, 0, MAPPER_CODIES, SYSTEM_SMS2, REGION_EUROPE}, /* Micro Machines */
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{0xEA5C3A6F, 0, 0, 0, MAPPER_CODIES, SYSTEM_SMS2, REGION_USA}, /* Dinobasher - Starring Bignose the Caveman [Proto] */
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{0xAA140C9C, 0, 0, 0, MAPPER_CODIES, SYSTEM_GGMS, REGION_USA}, /* Excellent Dizzy Collection, The [SMS-GG] */
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{0xC888222B, 0, 0, 0, MAPPER_CODIES, SYSTEM_GGMS, REGION_USA}, /* Fantastic Dizzy [SMS-GG] */
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{0x6CAA625B, 0, 0, 0, MAPPER_CODIES, SYSTEM_GG, REGION_USA}, /* Cosmic Spacehead [GG]*/
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{0x152F0DCC, 0, 0, 0, MAPPER_CODIES, SYSTEM_GG, REGION_USA}, /* Drop Zone */
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{0x5E53C7F7, 0, 0, 0, MAPPER_CODIES, SYSTEM_GG, REGION_USA}, /* Ernie Els Golf */
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{0xD9A7F170, 0, 0, 0, MAPPER_CODIES, SYSTEM_GG, REGION_USA}, /* Man Overboard! */
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{0xF7C524F6, 0, 0, 0, MAPPER_CODIES, SYSTEM_GG, REGION_USA}, /* Micro Machines [GG] */
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{0xDBE8895C, 0, 0, 0, MAPPER_CODIES, SYSTEM_GG, REGION_USA}, /* Micro Machines 2 - Turbo Tournament */
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{0xC1756BEE, 0, 0, 0, MAPPER_CODIES, SYSTEM_GG, REGION_USA}, /* Pete Sampras Tennis */
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{0x72981057, 0, 0, 0, MAPPER_CODIES, SYSTEM_GG, REGION_USA}, /* CJ Elephant Fugitive */
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/* games using serial EEPROM */
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{0x36EBCD6D, 0, 0, 0, MAPPER_93C46, SYSTEM_GG, REGION_USA}, /* Majors Pro Baseball */
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{0x3D8D0DD6, 0, 0, 0, MAPPER_93C46, SYSTEM_GG, REGION_USA}, /* World Series Baseball [v0] */
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{0xBB38CFD7, 0, 0, 0, MAPPER_93C46, SYSTEM_GG, REGION_USA}, /* World Series Baseball [v1] */
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{0x578A8A38, 0, 0, 0, MAPPER_93C46, SYSTEM_GG, REGION_USA}, /* World Series Baseball '95 */
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/* games using Terebi Oekaki graphic board */
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{0xDD4A661B, 0, 0, 0, MAPPER_TEREBI, SYSTEM_SG, REGION_JAPAN_NTSC}, /* Terebi Oekaki */
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/* games using 2KB external RAM (volatile) */
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{0x092F29D6, 0, 0, 0, MAPPER_RAM_2K, SYSTEM_SG, REGION_JAPAN_NTSC}, /* The Castle (J) */
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{0xAF4F14BC, 0, 0, 0, MAPPER_RAM_2K, SYSTEM_SG, REGION_JAPAN_NTSC}, /* Othello (J) */
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{0x1D1A0CA3, 0, 0, 0, MAPPER_RAM_2K, SYSTEM_SGII, REGION_JAPAN_NTSC}, /* Othello (TW) */
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/* games requiring SG-1000 II 8K RAM extension adapter */
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{0xCE5648C3, 0, 0, 0, MAPPER_RAM_8K_EXT1, SYSTEM_SGII, REGION_JAPAN_NTSC}, /* Bomberman Special [DahJee] (TW) */
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{0x223397A1, 0, 0, 0, MAPPER_RAM_8K_EXT1, SYSTEM_SGII, REGION_JAPAN_NTSC}, /* King's Valley (TW) */
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{0x281D2888, 0, 0, 0, MAPPER_RAM_8K_EXT1, SYSTEM_SGII, REGION_JAPAN_NTSC}, /* Knightmare (TW) */
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{0x306D5F78, 0, 0, 0, MAPPER_RAM_8K_EXT1, SYSTEM_SGII, REGION_JAPAN_NTSC}, /* Rally-X [DahJee] (TW) */
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{0x29E047CC, 0, 0, 0, MAPPER_RAM_8K_EXT1, SYSTEM_SGII, REGION_JAPAN_NTSC}, /* Road Fighter (TW) */
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{0x5CBD1163, 0, 0, 0, MAPPER_RAM_8K_EXT1, SYSTEM_SGII, REGION_JAPAN_NTSC}, /* Tank Battalion (TW) */
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{0x2E7166D5, 0, 0, 0, MAPPER_RAM_8K_EXT1, SYSTEM_SGII, REGION_JAPAN_NTSC}, /* The Legend of Kage (TW) */
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{0xC550B4F0, 0, 0, 0, MAPPER_RAM_8K_EXT1, SYSTEM_SGII, REGION_JAPAN_NTSC}, /* TwinBee (TW) */
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{0xFC87463C, 0, 0, 0, MAPPER_RAM_8K_EXT1, SYSTEM_SGII, REGION_JAPAN_NTSC}, /* Yie Ar Kung-Fu II (TW) */
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{0x69FC1494, 0, 0, 0, MAPPER_RAM_8K_EXT2, SYSTEM_SGII, REGION_JAPAN_NTSC}, /* Bomberman Special (TW) */
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{0xFFC4EE3F, 0, 0, 0, MAPPER_RAM_8K_EXT2, SYSTEM_SGII, REGION_JAPAN_NTSC}, /* Magical Kid Wiz (TW) */
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{0x2E366CCF, 0, 0, 0, MAPPER_RAM_8K_EXT2, SYSTEM_SGII, REGION_JAPAN_NTSC}, /* The Castle (TW) */
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{0xAAAC12CF, 0, 0, 0, MAPPER_RAM_8K_EXT2, SYSTEM_SGII, REGION_JAPAN_NTSC}, /* Rally-X (TW) */
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{0xD2EDD329, 0, 0, 0, MAPPER_RAM_8K_EXT2, SYSTEM_SGII, REGION_JAPAN_NTSC}, /* Road Fighter (TW) */
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/* games requiring 2K internal RAM (SG-1000 II clone hardware) */
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{0x7F7F009D, 0, 0, 0, MAPPER_NONE, SYSTEM_SGII, REGION_JAPAN_NTSC}, /* Circus Charlie (KR) */
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{0x77DB4704, 0, 0, 0, MAPPER_NONE, SYSTEM_SGII, REGION_JAPAN_NTSC}, /* Q*Bert */
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{0xC5A67B95, 0, 0, 0, MAPPER_NONE, SYSTEM_SGII, REGION_JAPAN_NTSC}, /* Othello Multivision BIOS */
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/* games requiring Japanese region setting */
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{0x71DEBA5A, 0, 0, 0, MAPPER_SEGA, SYSTEM_GG, REGION_JAPAN_NTSC}, /* Pop Breaker */
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{0xC9DD4E5F, 0, 0, 0, MAPPER_SEGA, SYSTEM_SMS, REGION_JAPAN_NTSC}, /* Woody Pop (Super Arkanoid) */
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/* games requiring Japanese Master System I/O chip (315-5297) */
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{0xBD1CC7DF, 0, 0, 0, MAPPER_SEGA, SYSTEM_SMS, REGION_JAPAN_NTSC}, /* Super Tetris (KR) */
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{0x6D309AC5, 0, 0, 0, MAPPER_SEGA, SYSTEM_SMS, REGION_JAPAN_NTSC}, /* Power Boggle Boggle (KR) */
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/* games requiring random RAM pattern initialization */
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{0x08BF3DE3, 0, 0, 0, MAPPER_NONE, SYSTEM_MARKIII, REGION_JAPAN_NTSC}, /* Alibaba and 40 Thieves (KR) */
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{0x643B6B76, 0, 0, 0, MAPPER_NONE, SYSTEM_MARKIII, REGION_JAPAN_NTSC}, /* Block Hole (KR) */
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/* games requiring PAL timings */
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{0x72420F38, 0, 0, 0, MAPPER_SEGA, SYSTEM_SMS2, REGION_EUROPE}, /* Addams Familly */
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{0x2D48C1D3, 0, 0, 0, MAPPER_SEGA, SYSTEM_SMS2, REGION_EUROPE}, /* Back to the Future Part III */
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{0x1CBB7BF1, 0, 0, 0, MAPPER_SEGA, SYSTEM_SMS2, REGION_EUROPE}, /* Battlemaniacs (BR) */
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{0x1B10A951, 0, 0, 0, MAPPER_SEGA, SYSTEM_SMS2, REGION_EUROPE}, /* Bram Stoker's Dracula */
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{0xC0E25D62, 0, 0, 0, MAPPER_SEGA, SYSTEM_SMS2, REGION_EUROPE}, /* California Games II */
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{0x45C50294, 0, 0, 0, MAPPER_SEGA, SYSTEM_SMS2, REGION_EUROPE}, /* Jogos de Verao II (BR) */
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{0xC9DBF936, 0, 0, 0, MAPPER_SEGA, SYSTEM_SMS2, REGION_EUROPE}, /* Home Alone */
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{0x0047B615, 0, 0, 0, MAPPER_SEGA, SYSTEM_SMS2, REGION_EUROPE}, /* Predator2 */
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{0xF42E145C, 0, 0, 0, MAPPER_SEGA, SYSTEM_SMS2, REGION_EUROPE}, /* Quest for the Shaven Yak Starring Ren Hoek & Stimpy (BR) */
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{0x9F951756, 0, 0, 0, MAPPER_SEGA, SYSTEM_SMS2, REGION_EUROPE}, /* RoboCop 3 */
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{0xF8176918, 0, 0, 0, MAPPER_SEGA, SYSTEM_SMS2, REGION_EUROPE}, /* Sensible Soccer */
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{0x1575581D, 0, 0, 0, MAPPER_SEGA, SYSTEM_SMS2, REGION_EUROPE}, /* Shadow of the Beast */
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{0x96B3F29E, 0, 0, 0, MAPPER_SEGA, SYSTEM_SMS2, REGION_EUROPE}, /* Sonic Blast (BR) */
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{0x5B3B922C, 0, 0, 0, MAPPER_SEGA, SYSTEM_SMS2, REGION_EUROPE}, /* Sonic the Hedgehog 2 [V0] */
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{0xD6F2BFCA, 0, 0, 0, MAPPER_SEGA, SYSTEM_SMS2, REGION_EUROPE}, /* Sonic the Hedgehog 2 [V1] */
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{0xCA1D3752, 0, 0, 0, MAPPER_SEGA, SYSTEM_SMS2, REGION_EUROPE}, /* Space Harrier [50 Hz] */
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{0x85CFC9C9, 0, 0, 0, MAPPER_SEGA, SYSTEM_SMS2, REGION_EUROPE}, /* Taito Chase H.Q. */
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{0x332A847D, 0, 0, 0, MAPPER_SEGA, SYSTEM_SMS2, REGION_EUROPE}, /* NBA Jam [Proto] */
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/* games running in Game Gear MS compatibility mode */
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{0x59840FD6, 0, 0, 0, MAPPER_SEGA, SYSTEM_GGMS, REGION_USA}, /* Castle of Illusion - Starring Mickey Mouse [SMS-GG] */
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{0x9C76FB3A, 0, 0, 0, MAPPER_SEGA, SYSTEM_GGMS, REGION_USA}, /* Rastan Saga [SMS-GG] */
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{0xC8381DEF, 0, 0, 0, MAPPER_SEGA, SYSTEM_GGMS, REGION_USA}, /* Taito Chase H.Q [SMS-GG] */
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{0xDA8E95A9, 0, 0, 0, MAPPER_SEGA, SYSTEM_GGMS, REGION_USA}, /* WWF Wrestlemania Steel Cage Challenge [SMS-GG] */
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{0x1D93246E, 0, 0, 0, MAPPER_SEGA, SYSTEM_GGMS, REGION_USA}, /* Olympic Gold [A][SMS-GG] */
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{0xA2F9C7AF, 0, 0, 0, MAPPER_SEGA, SYSTEM_GGMS, REGION_USA}, /* Olympic Gold [B][SMS-GG] */
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{0x01EAB89D, 0, 0, 0, MAPPER_SEGA, SYSTEM_GGMS, REGION_USA}, /* Out Run Europa [SMS-GG] */
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{0xF037EC00, 0, 0, 0, MAPPER_SEGA, SYSTEM_GGMS, REGION_USA}, /* Out Run Europa (US) [SMS-GG] */
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{0xE5F789B9, 0, 0, 0, MAPPER_SEGA, SYSTEM_GGMS, REGION_USA}, /* Predator 2 [SMS-GG] */
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{0x311D2863, 0, 0, 0, MAPPER_SEGA, SYSTEM_GGMS, REGION_USA}, /* Prince of Persia [A][SMS-GG] */
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{0x45F058D6, 0, 0, 0, MAPPER_SEGA, SYSTEM_GGMS, REGION_USA}, /* Prince of Persia [B][SMS-GG] */
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||
{0x56201996, 0, 0, 0, MAPPER_SEGA, SYSTEM_GGMS, REGION_USA}, /* R.C. Grand Prix [SMS-GG] */
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{0x10DBBEF4, 0, 0, 0, MAPPER_SEGA, SYSTEM_GGMS, REGION_USA}, /* Super Kick Off [SMS-GG] */
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{0x9942B69B, 0, 0, 0, MAPPER_SEGA, SYSTEM_GGMS, REGION_JAPAN_NTSC}, /* Castle of Illusion - Starring Mickey Mouse (J) [SMS-GG] */
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{0x7BB81E3D, 0, 0, 0, MAPPER_SEGA, SYSTEM_GGMS, REGION_JAPAN_NTSC}, /* Taito Chase H.Q (J) [SMS-GG] */
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{0x6F8E46CF, 0, 0, 0, MAPPER_SEGA, SYSTEM_GGMS, REGION_JAPAN_NTSC}, /* Alex Kidd in Miracle World (TW) [SMS-GG] */
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{0x3382D73F, 0, 0, 0, MAPPER_SEGA, SYSTEM_GGMS, REGION_JAPAN_NTSC}, /* Olympic Gold (TW) [SMS-GG] */
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||
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/* games requiring 3-D Glasses */
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{0x6BD5C2BF, 1, 1, 0, MAPPER_SEGA, SYSTEM_SMS, REGION_USA}, /* Space Harrier 3-D */
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{0x8ECD201C, 1, 1, 0, MAPPER_SEGA, SYSTEM_SMS, REGION_USA}, /* Blade Eagle 3-D */
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{0xFBF96C81, 1, 1, 0, MAPPER_SEGA, SYSTEM_SMS, REGION_USA}, /* Blade Eagle 3-D (BR) */
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{0x58D5FC48, 1, 1, 0, MAPPER_SEGA, SYSTEM_SMS, REGION_USA}, /* Blade Eagle 3-D [Proto] */
|
||
{0x31B8040B, 1, 1, 0, MAPPER_SEGA, SYSTEM_SMS, REGION_USA}, /* Maze Hunter 3-D */
|
||
{0xABD48AD2, 1, 1, 0, MAPPER_SEGA, SYSTEM_SMS, REGION_USA}, /* Poseidon Wars 3-D */
|
||
{0xA3EF13CB, 1, 1, 0, MAPPER_SEGA, SYSTEM_SMS, REGION_USA}, /* Zaxxon 3-D */
|
||
{0xBBA74147, 1, 1, 0, MAPPER_SEGA, SYSTEM_SMS, REGION_USA}, /* Zaxxon 3-D [Proto] */
|
||
{0xD6F43DDA, 1, 1, 0, MAPPER_SEGA, SYSTEM_SMS, REGION_USA}, /* Out Run 3-D */
|
||
{0x871562b0, 1, 1, 0, MAPPER_SEGA, SYSTEM_SMS, REGION_JAPAN_NTSC}, /* Maze Walker */
|
||
{0x156948f9, 1, 1, 0, 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_SMS, REGION_USA}, /* Missile Defense 3D */
|
||
{0xE79BB689, 1, 0, SYSTEM_LIGHTPHASER, MAPPER_SEGA, SYSTEM_SMS, REGION_USA}, /* Missile Defense 3D [BIOS] */
|
||
|
||
/* games requiring Sega Light Phaser */
|
||
{0x861B6E79, 0, 0, SYSTEM_LIGHTPHASER, MAPPER_SEGA, SYSTEM_SMS, REGION_USA}, /* Assault City [Light Phaser] */
|
||
{0x5FC74D2A, 0, 0, SYSTEM_LIGHTPHASER, MAPPER_SEGA, SYSTEM_SMS, REGION_USA}, /* Gangster Town */
|
||
{0xE167A561, 0, 0, SYSTEM_LIGHTPHASER, MAPPER_SEGA, SYSTEM_SMS, REGION_USA}, /* Hang-On / Safari Hunt */
|
||
{0x91E93385, 0, 0, SYSTEM_LIGHTPHASER, MAPPER_SEGA, SYSTEM_SMS, REGION_USA}, /* Hang-On / Safari Hunt [BIOS] */
|
||
{0xE8EA842C, 0, 0, SYSTEM_LIGHTPHASER, MAPPER_SEGA, SYSTEM_SMS, REGION_USA}, /* Marksman Shooting / Trap Shooting */
|
||
{0xE8215C2E, 0, 0, SYSTEM_LIGHTPHASER, MAPPER_SEGA, SYSTEM_SMS, REGION_USA}, /* Marksman Shooting / Trap Shooting / Safari Hunt */
|
||
{0x205CAAE8, 0, 0, SYSTEM_LIGHTPHASER, MAPPER_SEGA, SYSTEM_SMS, REGION_USA}, /* Operation Wolf */
|
||
{0x23283F37, 0, 0, SYSTEM_LIGHTPHASER, MAPPER_SEGA, SYSTEM_SMS, REGION_USA}, /* Operation Wolf [A] */
|
||
{0xDA5A7013, 0, 0, SYSTEM_LIGHTPHASER, MAPPER_SEGA, SYSTEM_SMS, REGION_USA}, /* Rambo 3 */
|
||
{0x79AC8E7F, 0, 1, SYSTEM_LIGHTPHASER, MAPPER_SEGA, SYSTEM_SMS, REGION_USA}, /* Rescue Mission */
|
||
{0x4B051022, 0, 0, SYSTEM_LIGHTPHASER, MAPPER_SEGA, SYSTEM_SMS, REGION_USA}, /* Shooting Gallery */
|
||
{0xA908CFF5, 0, 0, SYSTEM_LIGHTPHASER, MAPPER_SEGA, SYSTEM_SMS, REGION_USA}, /* Spacegun */
|
||
{0x5359762D, 0, 0, SYSTEM_LIGHTPHASER, MAPPER_SEGA, SYSTEM_SMS, REGION_USA}, /* Wanted */
|
||
{0x0CA95637, 0, 0, SYSTEM_LIGHTPHASER, MAPPER_SEGA, SYSTEM_SMS, 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 */
|
||
{0x41C948BF, 0, 0, SYSTEM_SPORTSPAD, MAPPER_SEGA, SYSTEM_SMS, REGION_JAPAN_NTSC}, /* Sports Pad Soccer */
|
||
{0x0CB7E21F, 0, 0, SYSTEM_SPORTSPAD, MAPPER_SEGA, SYSTEM_SMS, REGION_USA}, /* Great Ice Hockey */
|
||
{0xE42E4998, 0, 0, SYSTEM_SPORTSPAD, MAPPER_SEGA, SYSTEM_SMS, REGION_USA}, /* Sports Pad Football */
|
||
|
||
/* games requiring Furrtek's Master Tap */
|
||
{0xFAB6F52F, 0, 0, SYSTEM_MASTERTAP, MAPPER_NONE, SYSTEM_SMS2, REGION_USA}, /* BOom (v1.0) */
|
||
{0x143AB50B, 0, 0, SYSTEM_MASTERTAP, MAPPER_NONE, SYSTEM_SMS2, REGION_USA}, /* BOom (v1.1) */
|
||
|
||
/* games requiring Sega Graphic Board */
|
||
{0x276AA542, 0, 0, SYSTEM_GRAPHIC_BOARD, MAPPER_NONE, SYSTEM_SMS, REGION_USA}, /* Sega Graphic Board v2.0 Software (Prototype) */
|
||
|
||
/* games supporting YM2413 FM */
|
||
{0x1C951F8E, 0, 1, 0, MAPPER_SEGA, SYSTEM_SMS, REGION_USA}, /* After Burner */
|
||
{0xC13896D5, 0, 1, 0, MAPPER_SEGA, SYSTEM_SMS, REGION_USA}, /* Alex Kidd: The Lost Stars */
|
||
{0x5CBFE997, 0, 1, 0, MAPPER_SEGA, SYSTEM_SMS, REGION_USA}, /* Alien Syndrome */
|
||
{0xBBA2FE98, 0, 1, 0, MAPPER_SEGA, SYSTEM_SMS, REGION_USA}, /* Altered Beast */
|
||
{0xFF614EB3, 0, 1, 0, MAPPER_SEGA, SYSTEM_SMS, REGION_USA}, /* Aztec Adventure */
|
||
{0x3084CF11, 0, 1, 0, MAPPER_SEGA, SYSTEM_SMS, REGION_USA}, /* Bomber Raid */
|
||
{0xAC6009A7, 0, 1, 0, MAPPER_SEGA, SYSTEM_SMS, REGION_USA}, /* California Games */
|
||
{0xA4852757, 0, 1, 0, MAPPER_SEGA, SYSTEM_SMS, REGION_USA}, /* Captain Silver */
|
||
{0xB81F6FA5, 0, 1, 0, MAPPER_SEGA, SYSTEM_SMS, REGION_USA}, /* Captain Silver (U) */
|
||
{0x3CFF6E80, 0, 1, 0, MAPPER_SEGA, SYSTEM_SMS, REGION_USA}, /* Casino Games */
|
||
{0xE7F62E6D, 0, 1, 0, MAPPER_SEGA, SYSTEM_SMS, REGION_USA}, /* Cloud Master */
|
||
{0x908E7524, 0, 1, 0, MAPPER_SEGA, SYSTEM_SMS, REGION_USA}, /* Cyborg Hunter */
|
||
{0xA55D89F3, 0, 1, 0, MAPPER_SEGA, SYSTEM_SMS, REGION_USA}, /* Double Dragon */
|
||
{0xB8B141F9, 0, 1, 0, MAPPER_SEGA, SYSTEM_SMS, REGION_USA}, /* Fantasy Zone II */
|
||
{0xD29889AD, 0, 1, 0, MAPPER_SEGA, SYSTEM_SMS, REGION_USA}, /* Fantasy Zone: The Maze */
|
||
{0xA4AC35D8, 0, 1, 0, MAPPER_SEGA, SYSTEM_SMS, REGION_USA}, /* Galaxy Force */
|
||
{0x6C827520, 0, 1, 0, MAPPER_SEGA, SYSTEM_SMS, REGION_USA}, /* Galaxy Force (U) */
|
||
{0x1890F407, 0, 1, 0, MAPPER_SEGA, SYSTEM_SMS, REGION_USA}, /* Game Box S<>rie Esportes Radicais (BR) */
|
||
{0xB746A6F5, 0, 1, 0, MAPPER_SEGA, SYSTEM_SMS, REGION_USA}, /* Global Defense */
|
||
{0x91A0FC4E, 0, 1, 0, MAPPER_SEGA, SYSTEM_SMS, REGION_USA}, /* Global Defense [Proto] */
|
||
{0x48651325, 0, 1, 0, MAPPER_SEGA, SYSTEM_SMS, REGION_USA}, /* Golfamania */
|
||
{0x5DABFDC3, 0, 1, 0, MAPPER_SEGA, SYSTEM_SMS, REGION_USA}, /* Golfamania [Proto] */
|
||
{0xA51376FE, 0, 1, 0, MAPPER_SEGA, SYSTEM_SMS, REGION_USA}, /* Golvellius - Valley of Doom */
|
||
{0x98E4AE4A, 0, 1, 0, MAPPER_SEGA, SYSTEM_SMS, REGION_USA}, /* Great Golf */
|
||
{0x516ED32E, 0, 1, 0, MAPPER_SEGA, SYSTEM_SMS, REGION_USA}, /* Kenseiden */
|
||
{0xE8511B08, 0, 1, 0, MAPPER_SEGA, SYSTEM_SMS, REGION_USA}, /* Lord of The Sword */
|
||
{0x0E333B6E, 0, 1, 0, MAPPER_SEGA, SYSTEM_SMS, REGION_USA}, /* Miracle Warriors - Seal of The Dark Lord */
|
||
{0x301A59AA, 0, 1, 0, MAPPER_SEGA, SYSTEM_SMS, REGION_USA}, /* Miracle Warriors - Seal of The Dark Lord [Proto] */
|
||
{0x01D67C0B, 0, 1, 0, MAPPER_SEGA, SYSTEM_SMS, REGION_USA}, /* M<>nica no Castelo do Drag<61>o (BR) */
|
||
{0x5589D8D2, 0, 1, 0, MAPPER_SEGA, SYSTEM_SMS, REGION_USA}, /* Out Run */
|
||
{0xE030E66C, 0, 1, 0, MAPPER_SEGA, SYSTEM_SMS, REGION_USA}, /* Parlour Games */
|
||
{0xF97E9875, 0, 1, 0, MAPPER_SEGA, SYSTEM_SMS, REGION_USA}, /* Penguin Land */
|
||
{0x4077EFD9, 0, 1, 0, MAPPER_SEGA, SYSTEM_SMS, REGION_USA}, /* Power Strike */
|
||
{0xBB54B6B0, 0, 1, 0, MAPPER_SEGA, SYSTEM_SMS, REGION_USA}, /* R-Type */
|
||
{0x42FC47EE, 0, 1, 0, MAPPER_SEGA, SYSTEM_SMS, REGION_USA}, /* Rampage */
|
||
{0xC547EB1B, 0, 1, 0, MAPPER_SEGA, SYSTEM_SMS, REGION_USA}, /* Rastan */
|
||
{0x9A8B28EC, 0, 1, 0, MAPPER_SEGA, SYSTEM_SMS, REGION_USA}, /* Scramble Spirits */
|
||
{0xAAB67EC3, 0, 1, 0, MAPPER_SEGA, SYSTEM_SMS, REGION_USA}, /* Shanghai */
|
||
{0x0C6FAC4E, 0, 1, 0, MAPPER_SEGA, SYSTEM_SMS, REGION_USA}, /* Shinobi */
|
||
{0x4752CAE7, 0, 1, 0, MAPPER_SEGA, SYSTEM_SMS, REGION_USA}, /* SpellCaster */
|
||
{0x1A390B93, 0, 1, 0, MAPPER_SEGA, SYSTEM_SMS, REGION_USA}, /* Tennis Ace */
|
||
{0xAE920E4B, 0, 1, 0, MAPPER_SEGA, SYSTEM_SMS, REGION_USA}, /* Thunder Blade */
|
||
{0x51BD14BE, 0, 1, 0, MAPPER_SEGA, SYSTEM_SMS, REGION_USA}, /* Time Soldiers */
|
||
{0x22CCA9BB, 0, 1, 0, MAPPER_SEGA, SYSTEM_SMS, REGION_USA}, /* Turma da M<>nica em: O Resgate (BR) */
|
||
{0xB52D60C8, 0, 1, 0, MAPPER_SEGA, SYSTEM_SMS, REGION_USA}, /* Ultima IV */
|
||
{0xDE9F8517, 0, 1, 0, MAPPER_SEGA, SYSTEM_SMS, REGION_USA}, /* Ultima IV [Proto] */
|
||
{0xDFB0B161, 0, 1, 0, MAPPER_SEGA, SYSTEM_SMS, REGION_USA}, /* Vigilante */
|
||
{0x679E1676, 0, 1, 0, MAPPER_SEGA, SYSTEM_SMS, REGION_USA}, /* Wonder Boy III: The Dragon's Trap */
|
||
{0x8CBEF0C1, 0, 1, 0, MAPPER_SEGA, SYSTEM_SMS, REGION_USA}, /* Wonder Boy in Monster Land */
|
||
{0x2F2E3BC9, 0, 1, 0, MAPPER_SEGA, SYSTEM_SMS, REGION_USA}, /* Zillion II - The Tri Formation */
|
||
{0x48D44A13, 0, 1, 0, MAPPER_NONE, SYSTEM_SMS, REGION_JAPAN_NTSC}, /* BIOS (J) */
|
||
{0xD8C4165B, 0, 1, 0, MAPPER_SEGA, SYSTEM_SMS, REGION_JAPAN_NTSC}, /* Aleste */
|
||
{0x4CC11DF9, 0, 1, 0, MAPPER_SEGA, SYSTEM_SMS, REGION_JAPAN_NTSC}, /* Alien Syndrome (J) */
|
||
{0xE421E466, 0, 1, 0, MAPPER_SEGA, SYSTEM_SMS, REGION_JAPAN_NTSC}, /* Chouon Senshi Borgman */
|
||
{0x2BCDB8FA, 0, 1, 0, MAPPER_SEGA, SYSTEM_SMS, REGION_JAPAN_NTSC}, /* Doki Doki Penguin Land - Uchuu-Daibouken */
|
||
{0x56BD2455, 0, 1, 0, MAPPER_SEGA, SYSTEM_SMS, REGION_JAPAN_NTSC}, /* Doki Doki Penguin Land - Uchuu-Daibouken [Proto] */
|
||
{0xC722FB42, 0, 1, 0, MAPPER_SEGA, SYSTEM_SMS, REGION_JAPAN_NTSC}, /* Fantasy Zone II (J) */
|
||
{0x7ABC70E9, 0, 1, 0, MAPPER_SEGA, SYSTEM_SMS, REGION_JAPAN_NTSC}, /* Family Games (Party Games) */
|
||
{0x6586BD1F, 0, 1, 0, MAPPER_SEGA, SYSTEM_SMS, REGION_JAPAN_NTSC}, /* Masters Golf */
|
||
{0x4847BC91, 0, 1, 0, MAPPER_SEGA, SYSTEM_SMS, REGION_JAPAN_NTSC}, /* Masters Golf [Proto] */
|
||
{0xB9FDF6D9, 0, 1, 0, MAPPER_SEGA, SYSTEM_SMS, REGION_JAPAN_NTSC}, /* Haja no Fuuin */
|
||
{0x955A009E, 0, 1, 0, MAPPER_SEGA, SYSTEM_SMS, REGION_JAPAN_NTSC}, /* Hoshi wo Sagashite */
|
||
{0x05EA5353, 0, 1, 0, MAPPER_SEGA, SYSTEM_SMS, REGION_JAPAN_NTSC}, /* Kenseiden (J) */
|
||
{0xD11D32E4, 0, 1, 0, MAPPER_SEGA, SYSTEM_SMS, REGION_JAPAN_NTSC}, /* Kujakuou */
|
||
{0xAA7D6F45, 0, 1, 0, MAPPER_SEGA, SYSTEM_SMS, REGION_JAPAN_NTSC}, /* Lord of Sword */
|
||
{0xBF0411AD, 0, 1, 0, MAPPER_SEGA, SYSTEM_SMS, REGION_JAPAN_NTSC}, /* Maou Golvellius */
|
||
{0x21A21352, 0, 1, 0, MAPPER_SEGA, SYSTEM_SMS, REGION_JAPAN_NTSC}, /* Maou Golvellius [Proto] */
|
||
{0x5B5F9106, 0, 1, 0, MAPPER_SEGA, SYSTEM_SMS, REGION_JAPAN_NTSC}, /* Nekyuu Kousien */
|
||
{0xBEA27D5C, 0, 1, 0, MAPPER_SEGA, SYSTEM_SMS, REGION_JAPAN_NTSC}, /* Opa Opa */
|
||
{0x6605D36A, 0, 1, 0, MAPPER_SEGA, SYSTEM_SMS, REGION_JAPAN_NTSC}, /* Phantasy Star (J) */
|
||
{0xE1FFF1BB, 0, 1, 0, MAPPER_SEGA, SYSTEM_SMS, REGION_JAPAN_NTSC}, /* Shinobi (J) */
|
||
{0x11645549, 0, 1, 0, MAPPER_SEGA, SYSTEM_SMS, REGION_JAPAN_NTSC}, /* Solomon no Kagi - Oujo Rihita no Namida */
|
||
{0x7E0EF8CB, 0, 1, 0, MAPPER_SEGA, SYSTEM_SMS, REGION_JAPAN_NTSC}, /* Super Racing */
|
||
{0xB1DA6A30, 0, 1, 0, MAPPER_SEGA, SYSTEM_SMS, REGION_JAPAN_NTSC}, /* Super Wonder Boy Monster World */
|
||
{0x8132AB2C, 0, 1, 0, MAPPER_SEGA, SYSTEM_SMS, REGION_JAPAN_NTSC}, /* Tensai Bakabon */
|
||
{0xC0CE19B1, 0, 1, 0, MAPPER_SEGA, SYSTEM_SMS, REGION_JAPAN_NTSC}, /* Thunder Blade (J) */
|
||
{0x07301F83, 0, 1, 0, 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;
|
||
uint16 pages;
|
||
} slot;
|
||
|
||
/* Function prototypes */
|
||
static void mapper_reset(void);
|
||
static void mapper_8k_w(int offset, unsigned char data);
|
||
static void mapper_16k_w(int offset, unsigned char data);
|
||
static void mapper_32k_w(unsigned char 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_korea_8k(unsigned int address, unsigned char data);
|
||
static void write_mapper_korea_16k(unsigned int address, unsigned char data);
|
||
static void write_mapper_msx(unsigned int address, unsigned char data);
|
||
static void write_mapper_multi_16k(unsigned int address, unsigned char data);
|
||
static void write_mapper_multi_32k(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_korea_8k(unsigned int address);
|
||
static unsigned char read_mapper_default(unsigned int address);
|
||
|
||
void sms_cart_init(void)
|
||
{
|
||
int i = sizeof(game_list) / sizeof(rominfo_t) - 1;
|
||
|
||
/* game CRC */
|
||
uint32 crc = crc32(0, cart.rom, cart.romsize);
|
||
|
||
/* 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 */
|
||
do
|
||
{
|
||
if (crc == game_list[i].crc)
|
||
{
|
||
/* auto-detect cartridge mapper */
|
||
cart_rom.mapper = game_list[i].mapper;
|
||
|
||
/* auto-detect required peripherals */
|
||
if (game_list[i].peripheral)
|
||
{
|
||
/* save current input settings */
|
||
if (old_system[0] == -1)
|
||
{
|
||
old_system[0] = input.system[0];
|
||
}
|
||
|
||
input.system[0] = 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 */
|
||
break;
|
||
}
|
||
}
|
||
while (i--);
|
||
|
||
/* ROM paging */
|
||
if (cart_rom.mapper < MAPPER_SEGA)
|
||
{
|
||
/* 1k ROM banks */
|
||
cart_rom.pages = (cart.romsize + (1 << 10) - 1) >> 10;
|
||
}
|
||
else if (cart_rom.mapper & MAPPER_KOREA_8K)
|
||
{
|
||
/* 8k ROM banks */
|
||
cart_rom.pages = (cart.romsize + (1 << 13) - 1) >> 13;
|
||
}
|
||
else if (cart_rom.mapper & MAPPER_MULTI_32K)
|
||
{
|
||
/* 32k ROM banks */
|
||
cart_rom.pages = (cart.romsize + (1 << 15) - 1) >> 15;
|
||
}
|
||
else
|
||
{
|
||
/* 16k ROM banks */
|
||
cart_rom.pages = (cart.romsize + (1 << 14) - 1) >> 14;
|
||
}
|
||
|
||
/* initialize extra hardware */
|
||
if (cart_rom.mapper == MAPPER_93C46)
|
||
{
|
||
/* 93C46 eeprom */
|
||
eeprom_93c_init();
|
||
}
|
||
else if (cart_rom.mapper == MAPPER_TEREBI)
|
||
{
|
||
/* Terebi Oekaki tablet */
|
||
cart.special |= HW_TEREBI_OEKAKI;
|
||
}
|
||
|
||
/* initialize SRAM */
|
||
sram_init();
|
||
|
||
/* enable cartridge backup memory by default */
|
||
sram.on = 1;
|
||
|
||
/* default gun offset for Light Phaser */
|
||
input.x_offset = 20;
|
||
input.y_offset = 0;
|
||
|
||
/* SpaceGun & Gangster Town use specific gun offset */
|
||
if ((crc == 0x5359762D) || (crc == 0x5FC74D2A))
|
||
{
|
||
input.x_offset = 16;
|
||
}
|
||
|
||
/* BIOS support */
|
||
if (config.bios & 1)
|
||
{
|
||
/* load BIOS file */
|
||
int bios_size = load_bios(system_hw);
|
||
|
||
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 if (bios_size >= 0)
|
||
{
|
||
/* default BIOS ROM mapper */
|
||
bios_rom.mapper = MAPPER_NONE;
|
||
bios_rom.pages = bios_size >> 10;
|
||
}
|
||
|
||
/* unload cartridge if required & BIOS ROM is loaded */
|
||
if (!(config.bios & 2) && bios_rom.pages)
|
||
{
|
||
cart_rom.pages = 0;
|
||
}
|
||
}
|
||
else
|
||
{
|
||
/* mark Master System & Game Gear BIOS as unloaded */
|
||
system_bios &= ~(SYSTEM_SMS | SYSTEM_GG);
|
||
|
||
/* BIOS ROM is disabled */
|
||
bios_rom.pages = 0;
|
||
}
|
||
}
|
||
|
||
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_KOREA_8K:
|
||
case MAPPER_MSX:
|
||
case MAPPER_MSX_NEMESIS:
|
||
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 = sizeof(game_list) / sizeof(rominfo_t) - 1;
|
||
|
||
/* 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 */
|
||
do
|
||
{
|
||
if (crc == game_list[i].crc)
|
||
{
|
||
return game_list[i].region;
|
||
}
|
||
}
|
||
while(i--);
|
||
|
||
/* 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 $C000-$FFFF mapping */
|
||
if (cart_rom.mapper == MAPPER_RAM_8K_EXT2)
|
||
{
|
||
/* 8k RAM extension adapter (type B) */
|
||
for (i = 0x30; i < 0x40; i++)
|
||
{
|
||
/* $C000-$FFFF mapped to 8k external RAM (mirrored) */
|
||
z80_readmap[i] = z80_writemap[i] = &work_ram[(i & 0x07) << 10];
|
||
}
|
||
}
|
||
else if (system_hw == SYSTEM_SGII)
|
||
{
|
||
/* SG-1000 II clone hardware with 2KB internal RAM */
|
||
for (i = 0x30; i < 0x40; i++)
|
||
{
|
||
/* $C000-$FFFF mapped to 2k internal RAM (mirrored) */
|
||
z80_readmap[i] = z80_writemap[i] = &work_ram[(i & 0x01) << 10];
|
||
}
|
||
}
|
||
else if (system_hw == SYSTEM_SG)
|
||
{
|
||
/* default SG-1000 hardware has only 1KB internal RAM */
|
||
for (i = 0x30; i < 0x40; i++)
|
||
{
|
||
/* $C000-$FFFF mapped to 1k internal RAM (mirrored) */
|
||
z80_readmap[i] = z80_writemap[i] = &work_ram[0];
|
||
}
|
||
}
|
||
else
|
||
{
|
||
/* Mark III / Master System / Game Gear hardware */
|
||
for (i = 0x30; i < 0x40; i++)
|
||
{
|
||
/* $C000-$FFFF mapped to 8k internal RAM (mirrored) */
|
||
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;
|
||
}
|
||
|
||
/* reset $0000-$BFFF mapping */
|
||
for (i = 0x00; i < 0x30; i++)
|
||
{
|
||
/* by default, $0000-$BFFF is mapped to cartridge ROM (first 48k) */
|
||
z80_readmap[i] = &slot.rom[i << 10];
|
||
z80_writemap[i] = cart.rom + 0x510000; /* unused area */
|
||
}
|
||
|
||
/* reset cartridge hardware mapping */
|
||
if (slot.mapper == MAPPER_RAM_8K_EXT1)
|
||
{
|
||
/* 8k RAM extension adapter (type A) */
|
||
for (i = 0x08; i < 0x10; i++)
|
||
{
|
||
/* $2000-$3FFF mapped to 8k external RAM */
|
||
z80_readmap[i] = z80_writemap[i] = &work_ram[0x2000 + ((i & 0x07) << 10)];
|
||
}
|
||
}
|
||
else if (slot.mapper == MAPPER_RAM_2K)
|
||
{
|
||
/* 2k on-board RAM (The Castle, Othello) */
|
||
for (i = 0x20; i < 0x30; i++)
|
||
{
|
||
/* $8000-$BFFF mapped to 2k external RAM (mirrored) */
|
||
z80_readmap[i] = z80_writemap[i] = &work_ram[0x2000 + ((i & 0x07) << 10)];
|
||
}
|
||
}
|
||
else if (slot.mapper >= MAPPER_SEGA)
|
||
{
|
||
/* reset ROM paging hardware */
|
||
if (slot.mapper & MAPPER_KOREA_8K)
|
||
{
|
||
/* 8k pages */
|
||
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]);
|
||
|
||
/* "Nemesis" mapper specific */
|
||
if (slot.mapper == MAPPER_MSX_NEMESIS)
|
||
{
|
||
/* first 8k page is mapped to last 8k ROM bank */
|
||
for (i = 0x00; i < 0x08; i++)
|
||
{
|
||
z80_readmap[i] = &slot.rom[(0x0f << 13) | ((i & 0x07) << 10)];
|
||
}
|
||
}
|
||
}
|
||
else if (slot.mapper & MAPPER_MULTI_32K)
|
||
{
|
||
/* 32k pages */
|
||
mapper_32k_w(slot.fcr[0]);
|
||
}
|
||
else
|
||
{
|
||
/* 16k pages */
|
||
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:
|
||
case MAPPER_RAM_2K:
|
||
case MAPPER_RAM_8K_EXT1:
|
||
case MAPPER_RAM_8K_EXT2:
|
||
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_KOREA_8K:
|
||
z80_readmem = read_mapper_korea_8k;
|
||
z80_writemem = write_mapper_korea_8k;
|
||
break;
|
||
|
||
case MAPPER_KOREA_16K:
|
||
z80_readmem = read_mapper_default;
|
||
z80_writemem = write_mapper_korea_16k;
|
||
break;
|
||
|
||
case MAPPER_MSX:
|
||
case MAPPER_MSX_NEMESIS:
|
||
z80_readmem = read_mapper_default;
|
||
z80_writemem = write_mapper_msx;
|
||
break;
|
||
|
||
case MAPPER_MULTI_16K:
|
||
z80_readmem = read_mapper_default;
|
||
z80_writemem = write_mapper_multi_16k;
|
||
break;
|
||
|
||
case MAPPER_MULTI_32K:
|
||
z80_readmem = read_mapper_default;
|
||
z80_writemem = write_mapper_multi_32k;
|
||
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 char data)
|
||
{
|
||
int i;
|
||
|
||
/* cartridge ROM page (8k) */
|
||
uint8 *page = &slot.rom[(data % slot.pages) << 13];
|
||
|
||
/* 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] = &page[(i & 0x07) << 10];
|
||
}
|
||
break;
|
||
}
|
||
|
||
case 1: /* cartridge ROM bank (8k) at $A000-$BFFF */
|
||
{
|
||
for (i = 0x28; i < 0x30; i++)
|
||
{
|
||
z80_readmap[i] = &page[(i & 0x07) << 10];
|
||
}
|
||
break;
|
||
}
|
||
|
||
case 2: /* cartridge ROM bank (8k) at $4000-$5FFF */
|
||
{
|
||
for (i = 0x10; i < 0x18; i++)
|
||
{
|
||
z80_readmap[i] = &page[(i & 0x07) << 10];
|
||
}
|
||
break;
|
||
}
|
||
|
||
case 3: /* cartridge ROM bank (8k) at $6000-$7FFF */
|
||
{
|
||
for (i = 0x18; i < 0x20; i++)
|
||
{
|
||
z80_readmap[i] = &page[(i & 0x07) << 10];
|
||
}
|
||
break;
|
||
}
|
||
}
|
||
|
||
#ifdef CHEATS_UPDATE
|
||
/* update ROM patches when banking has changed */
|
||
CHEATS_UPDATE();
|
||
#endif
|
||
}
|
||
|
||
static void mapper_16k_w(int offset, unsigned char 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 or MULTI mappers only) */
|
||
if ((slot.mapper == MAPPER_CODIES) || (slot.mapper == MAPPER_MULTI_16K))
|
||
{
|
||
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 CHEATS_UPDATE
|
||
/* update ROM patches when banking has changed */
|
||
CHEATS_UPDATE();
|
||
#endif
|
||
}
|
||
|
||
static void mapper_32k_w(unsigned char data)
|
||
{
|
||
int i;
|
||
|
||
/* cartridge ROM page (32k) */
|
||
uint8 *page = &slot.rom[(data % slot.pages) << 15];
|
||
|
||
/* Save frame control register data */
|
||
slot.fcr[0] = data;
|
||
|
||
/* selected page (32k) is mapped at $0000-$7FFF */
|
||
for (i = 0x00; i < 0x20; i++)
|
||
{
|
||
z80_readmap[i] = &page[i << 10];
|
||
}
|
||
|
||
/* first 16K is mirrored at $8000-$BFFF */
|
||
for (i = 0x20; i < 0x30; i++)
|
||
{
|
||
z80_readmap[i] = z80_readmap[i & 0x0F];
|
||
}
|
||
|
||
#ifdef CHEATS_UPDATE
|
||
/* update ROM patches when banking has changed */
|
||
CHEATS_UPDATE();
|
||
#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_multi_16k(unsigned int address, unsigned char data)
|
||
{
|
||
if (address == 0x3FFE)
|
||
{
|
||
mapper_16k_w(1,data);
|
||
return;
|
||
}
|
||
|
||
if (address == 0x7FFF)
|
||
{
|
||
mapper_16k_w(2,data);
|
||
return;
|
||
}
|
||
|
||
if (address == 0xBFFF)
|
||
{
|
||
mapper_16k_w(3,(slot.fcr[1] & 0x30) + data);
|
||
return;
|
||
}
|
||
|
||
z80_writemap[address >> 10][address & 0x03FF] = data;
|
||
}
|
||
|
||
static void write_mapper_multi_32k(unsigned int address, unsigned char data)
|
||
{
|
||
if (address == 0xFFFF)
|
||
{
|
||
mapper_32k_w(data);
|
||
}
|
||
|
||
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_korea_8k(unsigned int address, unsigned char data)
|
||
{
|
||
if (address == 0x4000)
|
||
{
|
||
mapper_8k_w(2,data);
|
||
return;
|
||
}
|
||
|
||
if (address == 0x6000)
|
||
{
|
||
mapper_8k_w(3,data);
|
||
return;
|
||
}
|
||
|
||
if (address == 0x8000)
|
||
{
|
||
mapper_8k_w(0,data);
|
||
return;
|
||
}
|
||
|
||
if (address == 0xA000)
|
||
{
|
||
mapper_8k_w(1,data);
|
||
return;
|
||
}
|
||
|
||
if (address == 0xFFFE)
|
||
{
|
||
mapper_8k_w(2,(data << 1) & 0xFF);
|
||
mapper_8k_w(3,(1 + (data << 1)) & 0xFF);
|
||
}
|
||
else if (address == 0xFFFF)
|
||
{
|
||
mapper_8k_w(0,(data << 1) & 0xFF);
|
||
mapper_8k_w(1,(1 + (data << 1)) & 0xFF);
|
||
}
|
||
|
||
z80_writemap[address >> 10][address & 0x03FF] = data;
|
||
}
|
||
|
||
static void write_mapper_korea_16k(unsigned int address, unsigned char data)
|
||
{
|
||
if (address == 0x4000)
|
||
{
|
||
mapper_16k_w(2,data);
|
||
return;
|
||
}
|
||
|
||
if (address == 0x8000)
|
||
{
|
||
mapper_16k_w(3,data);
|
||
return;
|
||
}
|
||
|
||
/* SEGA mapper compatibility */
|
||
if (address >= 0xFFFC)
|
||
{
|
||
mapper_16k_w(address & 3, data);
|
||
}
|
||
|
||
z80_writemap[address >> 10][address & 0x03FF] = data;
|
||
}
|
||
|
||
static void write_mapper_93c46(unsigned int address, unsigned char data)
|
||
{
|
||
/* EEPROM serial input */
|
||
if ((address == 0x8000) && eeprom_93c.enabled)
|
||
{
|
||
eeprom_93c_write(data);
|
||
return;
|
||
}
|
||
|
||
/* EEPROM ctrl */
|
||
if (address == 0xFFFC)
|
||
{
|
||
/* enable/disable EEPROM */
|
||
eeprom_93c.enabled = data & 0x08;
|
||
|
||
if (data & 0x80)
|
||
{
|
||
/* reset EEPROM */
|
||
eeprom_93c_init();
|
||
}
|
||
}
|
||
|
||
/* SEGA mapper compatibility */
|
||
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) && eeprom_93c.enabled)
|
||
{
|
||
return eeprom_93c_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_korea_8k(unsigned int address)
|
||
{
|
||
unsigned char data = z80_readmap[address >> 10][address & 0x03FF];
|
||
|
||
/* 16k page */
|
||
unsigned char page = address >> 14;
|
||
|
||
/* $4000-$7FFFF and $8000-$BFFF area are protected */
|
||
if (((page == 1) && (slot.fcr[2] & 0x80)) || ((page == 2) && (slot.fcr[0] & 0x80)))
|
||
{
|
||
/* bit-swapped value */
|
||
data = (((data >> 7) & 0x01) | ((data >> 5) & 0x02) |
|
||
((data >> 3) & 0x04) | ((data >> 1) & 0x08) |
|
||
((data << 1) & 0x10) | ((data << 3) & 0x20) |
|
||
((data << 5) & 0x40) | ((data << 7) & 0x80));
|
||
}
|
||
|
||
return data;
|
||
}
|
||
|
||
static unsigned char read_mapper_default(unsigned int address)
|
||
{
|
||
return z80_readmap[address >> 10][address & 0x03FF];
|
||
}
|