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https://github.com/ekeeke/Genesis-Plus-GX.git
synced 2024-11-10 21:05:12 +01:00
[Core/MD] added support for more RADICA dumps
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@ -2,7 +2,7 @@
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* Genesis Plus
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* Mega Drive cartridge hardware support
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*
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* Copyright (C) 2007-2019 Eke-Eke (Genesis Plus GX)
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* Copyright (C) 2007-2020 Eke-Eke (Genesis Plus GX)
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*
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* Many cartridge protections were initially documented by Haze
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* (http://haze.mameworld.info/)
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@ -74,7 +74,8 @@ static void mapper_seganet_w(uint32 address, uint32 data);
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static void mapper_32k_w(uint32 data);
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static void mapper_64k_w(uint32 data);
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static void mapper_64k_multi_w(uint32 address);
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static uint32 mapper_radica_r(uint32 address);
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static uint32 mapper_64k_radica_r(uint32 address);
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static uint32 mapper_128k_radica_r(uint32 address);
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static void default_time_w(uint32 address, uint32 data);
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static void default_regs_w(uint32 address, uint32 data);
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static uint32 default_regs_r(uint32 address);
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@ -104,11 +105,19 @@ static const md_entry_t rom_database[] =
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/* RADICA (Volume 1) (bad dump ?) */
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{0x0000,0x2326,0x00,0x00,{{0x00,0x00,0x00,0x00},{0xffffff,0xffffff,0xffffff,0xffffff},{0x000000,0x000000,0x000000,0x000000},0,1,mapper_radica_r,NULL,NULL,NULL}},
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{0x0000,0x2326,0x00,0x00,{{0x00,0x00,0x00,0x00},{0xffffff,0xffffff,0xffffff,0xffffff},{0x000000,0x000000,0x000000,0x000000},0,1,mapper_64k_radica_r,m68k_unused_8_w,NULL,NULL}},
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/* RADICA (Volume 1) */
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{0x24f4,0xfc84,0x00,0x00,{{0x00,0x00,0x00,0x00},{0xffffff,0xffffff,0xffffff,0xffffff},{0x000000,0x000000,0x000000,0x000000},0,0,mapper_radica_r,NULL,NULL,NULL}},
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{0x24f4,0xfc84,0x00,0x00,{{0x00,0x00,0x00,0x00},{0xffffff,0xffffff,0xffffff,0xffffff},{0x000000,0x000000,0x000000,0x000000},0,0,mapper_64k_radica_r,m68k_unused_8_w,NULL,NULL}},
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/* RADICA (Volume 2) */
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{0x104f,0x32e9,0x00,0x00,{{0x00,0x00,0x00,0x00},{0xffffff,0xffffff,0xffffff,0xffffff},{0x000000,0x000000,0x000000,0x000000},0,0,mapper_radica_r,NULL,NULL,NULL}},
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{0xd951,0x78d0,0x00,0x00,{{0x00,0x00,0x00,0x00},{0xffffff,0xffffff,0xffffff,0xffffff},{0x000000,0x000000,0x000000,0x000000},0,0,mapper_64k_radica_r,m68k_unused_8_w,NULL,NULL}},
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/* RADICA (Volume 3 - Super Sonic Gold edition) */
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{0x0000,0x1f25,0x00,0x00,{{0x00,0x00,0x00,0x00},{0xffffff,0xffffff,0xffffff,0xffffff},{0x000000,0x000000,0x000000,0x000000},0,0,mapper_64k_radica_r,m68k_unused_8_w,NULL,NULL}},
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/* RADICA (Street Fighter II CE edition) */
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{0x1add,0xa838,0x00,0x00,{{0x00,0x00,0x00,0x00},{0xffffff,0xffffff,0xffffff,0xffffff},{0x000000,0x000000,0x000000,0x000000},0,0,mapper_64k_radica_r,m68k_unused_8_w,NULL,NULL}},
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/* RADICA (Street Fighter II CE edition) (PAL) */
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{0x104f,0x32e9,0x00,0x00,{{0x00,0x00,0x00,0x00},{0xffffff,0xffffff,0xffffff,0xffffff},{0x000000,0x000000,0x000000,0x000000},0,0,mapper_64k_radica_r,m68k_unused_8_w,NULL,NULL}},
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/* RADICA (Sensible Soccer Plus edition) (PAL) */
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{0x0000,0x1f7f,0x00,0x00,{{0x00,0x00,0x00,0x00},{0xffffff,0xffffff,0xffffff,0xffffff},{0x000000,0x000000,0x000000,0x000000},0,0,mapper_128k_radica_r,m68k_unused_8_w,NULL,NULL}},
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/* Tenchi wo Kurau III: Sangokushi Gaiden - Chinese Fighter */
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@ -421,7 +430,7 @@ void md_cart_init(void)
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/**********************************************
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LOCK-ON
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***********************************************/
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/* clear existing patches */
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ggenie_shutdown();
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areplay_shutdown();
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@ -454,7 +463,7 @@ void md_cart_init(void)
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{
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/* try to load Sonic 2 & Knuckles UPMEM ROM (256 KB) */
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if (load_archive(SK_UPMEM, cart.rom + 0x900000, 0x40000, NULL) == 0x40000)
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{
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{
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/* $000000-$1FFFFF is mapped to S&K ROM */
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for (i=0x00; i<0x20; i++)
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{
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@ -469,7 +478,7 @@ void md_cart_init(void)
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cart.rom[i + 0x600000] = cart.rom[i + 0x600000 + 1];
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cart.rom[i + 0x600000 + 1] = temp;
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}
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for (i=0; i<0x40000; i+=2)
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{
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/* Byteswap ROM */
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@ -1652,21 +1661,107 @@ static void mapper_64k_multi_w(uint32 address)
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/*
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Custom ROM Bankswitch used in RADICA cartridges
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+++++++++++++++++++++++++++++++++++++++++++++++
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Two different boards seem to exist (one with support for 64KB banks mapping and another one supporting 128KB banks + battery-RAM).
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Radica Volume 1 requires 64KB banks mapping as the menu is located at a 64KB boundary.
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Sensible Soccer Plus edition requires 128KB banks mapping with only VA6-VA2 being used to select bank index (VA1 is ignored).
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Sensible Soccer Plus edition also requires 8KB backup RAM to be mapped in higher 2MB range.
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Other games support both 64KB or 128KB mapping so it's not clear what exact board they are using but none require SRAM so we use 64KB mapper by default.
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Note that Radica Volume 3 uses similar ROM mapping as Sensible Soccer Plus edition so it might be using same 128KB board, without any SRAM chip connected.
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*/
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static uint32 mapper_radica_r(uint32 address)
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static uint32 mapper_64k_radica_r(uint32 address)
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{
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int i = 0;
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address = (address >> 1);
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/* 64 x 64k banks */
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for (i = 0; i < 64; i++)
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/*
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Volume 1
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--------
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000000h-0fffffh: Kid Chameleon : !TIME read16 0xA13000 (00FF103A)
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100000h-1fffffh: Dr Robotnik's Mean Bean Machine : !TIME read16 0xA13020 (00FF101E)
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200000h-27ffffh: Sonic The Hedgehog : !TIME read16 0xA13040 (00FF101E)
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280000h-2fffffh: Golden Axe : !TIME read16 0xA13050 (00FF101E)
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300000h-37ffffh: Altered Beast : !TIME read16 0xA13060 (00FF101E)
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380000h-39ffffh: Flicky : !TIME read16 0xA13070 (00FF101E)
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3a0000h-3effffh: N/A : N/A
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3f0000h-3fffffh: Radica Menu (64 KB) : !TIME read16 0xA1307E (00FF1006)
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Volume 2
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--------
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000000h-0fffffh: Sonic The Hedgehog 2 : !TIME read16 0xA13000 (00FF103A)
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100000h-1fffffh: The Ooze : !TIME read16 0xA13020 (00FF101E)
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200000h-2fffffh: Ecco The Dolphin : !TIME read16 0xA13040 (00FF101E)
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300000h-37ffffh: Gain Ground : !TIME read16 0xA13060 (00FF101E)
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380000h-3bffffh: Alex Kidd in Enchanted Castle : !TIME read16 0xA13070 (00FF101E)
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3c0000h-3dffffh: Columns : !TIME read16 0xA13078 (00FF101E)
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3e0000h-3fffffh: Radica Menu (128 KB) : !TIME read16 0xA1307C (00FF1006)
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Volume 3 - Super Sonic Gold edition
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-----------------------------------
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000000h-01ffffh: Radica Menu (128 KB) : N/A
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020000h-07ffffh: N/A : N/A
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080000h-0fffffh: Sonic The Hedgehog : !TIME read16 0xA13010 (00FF1012)
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100000h-1fffffh: Sonic The Hedgehog 2 : !TIME read16 0xA13020 (00FF1012)
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200000h-2fffffh: Sonic Spinball : !TIME read16 0xA13040 (00FF1012)
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300000h-3fffffh: Dr Robotnik's Mean Bean Machine : !TIME read16 0xA13060 (00FF1012)
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Street Fighter 2 CE edition
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---------------------------
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000000h-2fffffh: Street Fighter 2 CE : !TIME read16 0xA13000 (00FF103A)
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300000h-3bffffh: Ghouls'n Ghosts : !TIME read16 0xA13060 (00FF101E)
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3c0000h-3dffffh: Radica Menu (128 KB) : !TIME read16 0xA13078 (00FF1006)
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3e0000h-3fffffh: N/A : N/A
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*/
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int index = (address >> 1) & 0x3F;
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/* $000000-$3fffff area is mapped to selected banks (OR gates between VA21-VA16 and selected index) */
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for (i = 0x00; i < 0x40; i++)
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{
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m68k.memory_map[i].base = &cart.rom[((address++)& 0x3f)<< 16];
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m68k.memory_map[i].base = &cart.rom[(index | i) << 16];
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}
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return 0xffff;
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}
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static uint32 mapper_128k_radica_r(uint32 address)
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{
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int i = 0;
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/* 32 x 128k banks */
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/*
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Sensible Soccer Plus edition
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----------------------------
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000000h-01ffffh: Radica Menu (128 KB) : N/A
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020000h-07ffffh: N/A : N/A
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080000h-0fffffh: Sensible Soccer : !TIME read16 0xA13010 (00FF1012)
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100000h-1fffffh: Mega-Lo-Mania : !TIME read16 0xA13022 (00FF1012)
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200000h-37ffffh: Cannon Fodder : !TIME read16 0xA13042 (00FF1012)
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380000h-3fffffh: N/A : N/A
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Note: address bit 1 is ignored for bank selection but might be used to enable/disable SRAM mapping ?
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*/
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int index = (address >> 1) & 0x3E;
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/* $000000-$1fffff area is mapped to selected banks (OR gates between VA20-VA17 and selected index) */
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for (i = 0x00; i < 0x20; i++)
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{
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m68k.memory_map[i].base = &cart.rom[(index | i) << 16];
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}
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/* $200000-$3fffff area is mapped to 8KB SRAM (mirrored) */
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for (i = 0x20; i < 0x40; i++)
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{
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m68k.memory_map[i].base = sram.sram;
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m68k.memory_map[i].read8 = sram_read_byte;
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m68k.memory_map[i].read16 = sram_read_word;
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m68k.memory_map[i].write8 = sram_write_byte;
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m68k.memory_map[i].write16 = sram_write_word;
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zbank_memory_map[i].read = sram_read_byte;
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zbank_memory_map[i].write = sram_write_byte;
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}
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return 0xffff;
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}
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/************************************************************
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default !TIME signal handler
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@ -2,7 +2,7 @@
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* Genesis Plus
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* Mega Drive cartridge hardware support
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*
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* Copyright (C) 2007-2019 Eke-Eke (Genesis Plus GX)
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* Copyright (C) 2007-2020 Eke-Eke (Genesis Plus GX)
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*
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* Most cartridge protections were initially documented by Haze
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* (http://haze.mameworld.info/)
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@ -2,7 +2,7 @@
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* Genesis Plus
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* Backup RAM support
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*
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* Copyright (C) 2007-2019 Eke-Eke (Genesis Plus GX)
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* Copyright (C) 2007-2020 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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@ -147,6 +147,13 @@ void sram_init()
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sram.start = 0x400001;
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sram.end = 0x40ffff;
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}
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else if ((rominfo.checksum == 0x0000) && (rominfo.realchecksum == 0x1f7f) && (READ_BYTE(cart.rom + 0x80000,0x1b0) == 0x52) && (READ_BYTE(cart.rom + 0x80000,0x1b1) == 0x41))
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{
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/* Radica - Sensible Soccer Plus edition (use bankswitching) */
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sram.on = 1;
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sram.start = 0x200001;
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sram.end = 0x203fff;
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}
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else if ((strstr(rominfo.ROMType,"SF") != NULL) && (strstr(rominfo.product,"001") != NULL))
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{
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/* SF-001 */
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@ -2,7 +2,7 @@
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* Genesis Plus
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* Backup RAM support
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*
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* Copyright (C) 2007-2019 Eke-Eke (Genesis Plus GX)
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* Copyright (C) 2007-2020 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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@ -3,7 +3,7 @@
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* ROM Loading Support
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*
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* Copyright (C) 1998-2003 Charles Mac Donald (original code)
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* Copyright (C) 2007-2018 Eke-Eke (Genesis Plus GX)
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* Copyright (C) 2007-2020 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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@ -647,7 +647,9 @@ int load_rom(char *filename)
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/* auto-detect byte-swapped dumps */
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if (!memcmp((char *)(cart.rom + 0x100),"ESAGM GE ARDVI E", 16) ||
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!memcmp((char *)(cart.rom + 0x100),"ESAGG NESESI", 12))
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!memcmp((char *)(cart.rom + 0x100),"ESAGG NESESI", 12) ||
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!memcmp((char *)(cart.rom + 0x80000 + 0x100),"ESAGM GE ARDVI E", 16) ||
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!memcmp((char *)(cart.rom + 0x80000 + 0x100),"ESAGG NESESI", 12))
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{
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for(i = 0; i < size; i += 2)
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{
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@ -1076,7 +1078,8 @@ void get_region(char *romheader)
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(strstr(rominfo.product,"T-69046-50") != NULL) || /* Back to the Future III (Europe) */
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(strstr(rominfo.product,"T-120106-00") != NULL) || /* Brian Lara Cricket (Europe) */
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(strstr(rominfo.product,"T-97126 -50") != NULL) || /* Williams Arcade's Greatest Hits (Europe) */
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(strstr(rominfo.product,"T-70096 -00") != NULL)) /* Muhammad Ali Heavyweight Boxing (Europe) */
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(strstr(rominfo.product,"T-70096 -00") != NULL) || /* Muhammad Ali Heavyweight Boxing (Europe) */
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((rominfo.checksum == 0x0000) && (rominfo.realchecksum == 0x1f7f))) /* Radica - Sensible Soccer Plus edition */
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{
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/* need PAL settings */
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region_code = REGION_EUROPE;
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@ -3,7 +3,7 @@
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* ROM Loading Support
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*
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* Copyright (C) 1998-2003 Charles Mac Donald (original code)
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* Copyright (C) 2007-2018 Eke-Eke (Genesis Plus GX)
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* Copyright (C) 2007-2020 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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