The-Homebrew-Cloud/Genesis-Plus-GX
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.added support for Pocket Monsters II ROM banking protection

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.improved emulation of copy protection hardware used in some unlicensed games (now bypass all checks in Mulan & Pocket Monsters II)
This commit is contained in:
ekeeke31 2010-08-27 07:41:10 +00:00
parent 9db9a8056f
commit f7ccaffa9f
1 changed files with 34 additions and 24 deletions
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58
source/cart_hw/cart_hw.c
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@ -27,7 +27,7 @@
#include "shared.h" #include "shared.h"
#define CART_CNT 27 #define CART_CNT 28
extern int emulate_address_error; extern int emulate_address_error;
@ -62,33 +62,35 @@ static void special_regs_w(uint32 address, uint32 data);
static const T_CART_ENTRY rom_database[CART_CNT] = static const T_CART_ENTRY rom_database[CART_CNT] =
{ {
/* Funny World & Balloon Boy */ /* Funny World & Balloon Boy */
{0x0000,0x06ab,0x40,0x40,{{0x00,0x00,0x00,0x00},{0x000000,0x000000,0x000000,0x000000},{0x000000,0x000000,0x000000,0x000000},1,1,NULL,NULL,NULL,realtec_mapper_w}}, {0x0000,0x06ab,0x40,0x40,{{0x00,0x00,0x00,0x00},{0xffffff,0xffffff,0xffffff,0xffffff},{0x000000,0x000000,0x000000,0x000000},1,1,NULL,NULL,NULL,realtec_mapper_w}},
/* Whac-a-Critter */ /* Whac-a-Critter */
{0xffff,0xf863,0x40,0x40,{{0x00,0x00,0x00,0x00},{0x000000,0x000000,0x000000,0x000000},{0x000000,0x000000,0x000000,0x000000},1,1,NULL,NULL,NULL,realtec_mapper_w}}, {0xffff,0xf863,0x40,0x40,{{0x00,0x00,0x00,0x00},{0xffffff,0xffffff,0xffffff,0xffffff},{0x000000,0x000000,0x000000,0x000000},1,1,NULL,NULL,NULL,realtec_mapper_w}},
/* Earth Defense */ /* Earth Defense */
{0xffff,0x44fb,0x40,0x40,{{0x00,0x00,0x00,0x00},{0x000000,0x000000,0x000000,0x000000},{0x000000,0x000000,0x000000,0x000000},1,1,NULL,NULL,NULL,realtec_mapper_w}}, {0xffff,0x44fb,0x40,0x40,{{0x00,0x00,0x00,0x00},{0xffffff,0xffffff,0xffffff,0xffffff},{0x000000,0x000000,0x000000,0x000000},1,1,NULL,NULL,NULL,realtec_mapper_w}},
/* RADICA (Volume 1) (not byteswapped) */ /* RADICA (Volume 1) (not byteswapped) */
{0x0000,0x2326,0x00,0x00,{{0x00,0x00,0x00,0x00},{0x000000,0x000000,0x000000,0x000000},{0x000000,0x000000,0x000000,0x000000},0,1,radica_mapper_r,NULL,NULL,NULL}}, {0x0000,0x2326,0x00,0x00,{{0x00,0x00,0x00,0x00},{0xffffff,0xffffff,0xffffff,0xffffff},{0x000000,0x000000,0x000000,0x000000},0,1,radica_mapper_r,NULL,NULL,NULL}},
/* RADICA (Volume 2) */ /* RADICA (Volume 2) */
{0x4f10,0x0836,0x00,0x00,{{0x00,0x00,0x00,0x00},{0x000000,0x000000,0x000000,0x000000},{0x000000,0x000000,0x000000,0x000000},0,1,radica_mapper_r,NULL,NULL,NULL}}, {0x4f10,0x0836,0x00,0x00,{{0x00,0x00,0x00,0x00},{0xffffff,0xffffff,0xffffff,0xffffff},{0x000000,0x000000,0x000000,0x000000},0,1,radica_mapper_r,NULL,NULL,NULL}},
/* RADICA (Volume 1) */ /* RADICA (Volume 1) */
{0xf424,0x9f82,0x00,0x00,{{0x00,0x00,0x00,0x00},{0x000000,0x000000,0x000000,0x000000},{0x000000,0x000000,0x000000,0x000000},0,1,radica_mapper_r,NULL,NULL,NULL}}, {0xf424,0x9f82,0x00,0x00,{{0x00,0x00,0x00,0x00},{0xffffff,0xffffff,0xffffff,0xffffff},{0x000000,0x000000,0x000000,0x000000},0,1,radica_mapper_r,NULL,NULL,NULL}},
/* Mulan */ /* Mulan */
{0x0404,0x1b40,0x60,0x7f,{{0x00,0x00,0x00,0x00},{0x000000,0x000000,0x000000,0x000000},{0x000000,0x000000,0x000000,0x000000},0,1,NULL,NULL,NULL,special_regs_w}}, {0x0404,0x1b40,0x60,0x7f,{{0x00,0x00,0x00,0x00},{0xf00007,0xf00007,0xf00007,0xffffff},{0x600001,0x600003,0x600005,0x000000},0,1,NULL,NULL,default_regs_r,special_regs_w}},
/* Pocket Monsters II */
{0x47f9,0x17e5,0x60,0x7f,{{0x00,0x00,0x00,0x00},{0xf00007,0xf00007,0xf00007,0xffffff},{0x600001,0x600003,0x600005,0x000000},0,1,NULL,NULL,default_regs_r,special_regs_w}},
/* Lion King 3 */ /* Lion King 3 */
{0x0000,0x507c,0x60,0x7f,{{0x00,0x00,0x00,0x00},{0xf0000e,0xf0000e,0xf0000e,0x000000},{0x600000,0x600002,0x600004,0x000000},0,1,NULL,NULL,default_regs_r,special_regs_w}}, {0x0000,0x507c,0x60,0x7f,{{0x00,0x00,0x00,0x00},{0xf00007,0xf00007,0xf00007,0xffffff},{0x600001,0x600003,0x600005,0x000000},0,1,NULL,NULL,default_regs_r,special_regs_w}},
/* Super King Kong 99 */ /* Super King Kong 99 */
{0x0000,0x7d6e,0x60,0x7f,{{0x00,0x00,0x00,0x00},{0xf0000e,0xf0000e,0xf0000e,0x000000},{0x600000,0x600002,0x600004,0x000000},0,1,NULL,NULL,default_regs_r,special_regs_w}}, {0x0000,0x7d6e,0x60,0x7f,{{0x00,0x00,0x00,0x00},{0xf00007,0xf00007,0xf00007,0xffffff},{0x600001,0x600003,0x600005,0x000000},0,1,NULL,NULL,default_regs_r,special_regs_w}},
/* Pokemon Stadium */ /* Pokemon Stadium */
{0x0000,0x843c,0x70,0x7f,{{0x00,0x00,0x00,0x00},{0x000000,0x000000,0x000000,0x000000},{0x000000,0x000000,0x000000,0x000000},0,1,NULL,NULL,default_regs_r,special_regs_w}}, {0x0000,0x843c,0x70,0x7f,{{0x00,0x00,0x00,0x00},{0xffffff,0xffffff,0xffffff,0xffffff},{0x000000,0x000000,0x000000,0x000000},0,1,NULL,NULL,NULL,special_regs_w}},
/* Lion King 2 */ /* Lion King 2 */
{0xffff,0x1d9b,0x40,0x40,{{0x00,0x00,0x00,0x00},{0xfffffd,0xfffffd,0x000000,0x000000},{0x400000,0x400004,0x000000,0x000000},0,0,NULL,NULL,default_regs_r,default_regs_w}}, {0xffff,0x1d9b,0x40,0x40,{{0x00,0x00,0x00,0x00},{0xfffffd,0xfffffd,0xffffff,0xffffff},{0x400000,0x400004,0x000000,0x000000},0,0,NULL,NULL,default_regs_r,default_regs_w}},
/* Squirell King */ /* Squirell King */
{0x0000,0x8ec8,0x40,0x40,{{0x00,0x00,0x00,0x00},{0xfffffd,0xfffffd,0x000000,0x000000},{0x400000,0x400004,0x000000,0x000000},0,0,NULL,NULL,default_regs_r,default_regs_w}}, {0x0000,0x8ec8,0x40,0x40,{{0x00,0x00,0x00,0x00},{0xfffffd,0xfffffd,0xffffff,0xffffff},{0x400000,0x400004,0x000000,0x000000},0,0,NULL,NULL,default_regs_r,default_regs_w}},
/* Supper Bubble Bobble */ /* Supper Bubble Bobble */
{0x0000,0x16cd,0x40,0x40,{{0x55,0x0f,0x00,0x00},{0xffffff,0xffffff,0x000000,0x000000},{0x400000,0x400002,0x000000,0x000000},0,0,NULL,NULL,default_regs_r,NULL}}, {0x0000,0x16cd,0x40,0x40,{{0x55,0x0f,0x00,0x00},{0xffffff,0xffffff,0xffffff,0xffffff},{0x400000,0x400002,0x000000,0x000000},0,0,NULL,NULL,default_regs_r,NULL}},
/* Mahjong Lover */ /* Mahjong Lover */
{0x0000,0x7037,0x40,0x40,{{0x90,0xd3,0x00,0x00},{0xffffff,0xffffff,0x000000,0x000000},{0x400000,0x401000,0x000000,0x000000},0,0,NULL,NULL,default_regs_r,NULL}}, {0x0000,0x7037,0x40,0x40,{{0x90,0xd3,0x00,0x00},{0xffffff,0xffffff,0xffffff,0xffffff},{0x400000,0x401000,0x000000,0x000000},0,0,NULL,NULL,default_regs_r,NULL}},
/* Elf Wor */ /* Elf Wor */
{0x0080,0x3dba,0x40,0x40,{{0x55,0x0f,0xc9,0x18},{0xffffff,0xffffff,0xffffff,0xffffff},{0x400000,0x400002,0x400004,0x400006},0,0,NULL,NULL,default_regs_r,NULL}}, {0x0080,0x3dba,0x40,0x40,{{0x55,0x0f,0xc9,0x18},{0xffffff,0xffffff,0xffffff,0xffffff},{0x400000,0x400002,0x400004,0x400006},0,0,NULL,NULL,default_regs_r,NULL}},
/* Huan Le Tao Qi Shu - Smart Mouse */ /* Huan Le Tao Qi Shu - Smart Mouse */
@ -102,19 +104,19 @@ static const T_CART_ENTRY rom_database[CART_CNT] =
/* Lian Huan Pao - Barver Battle Saga */ /* Lian Huan Pao - Barver Battle Saga */
{0x30b9,0x1c2a,0x40,0x40,{{0x00,0x00,0x00,0x00},{0x000000,0x000000,0x000000,0x000000},{0x000000,0x000000,0x000000,0x000000},0,0,NULL,NULL,default_regs_r,NULL}}, {0x30b9,0x1c2a,0x40,0x40,{{0x00,0x00,0x00,0x00},{0x000000,0x000000,0x000000,0x000000},{0x000000,0x000000,0x000000,0x000000},0,0,NULL,NULL,default_regs_r,NULL}},
/* Rockman X3 */ /* Rockman X3 */
{0x0000,0x9d0e,0x40,0x40,{{0x0c,0x88,0x00,0x00},{0xffffff,0xffffff,0x000000,0x000000},{0xa13000,0x400004,0x000000,0x000000},0,0,default_regs_r,NULL,default_regs_r,NULL}}, {0x0000,0x9d0e,0x40,0x40,{{0x0c,0x88,0x00,0x00},{0xffffff,0xffffff,0xffffff,0xffffff},{0xa13000,0x400004,0x000000,0x000000},0,0,default_regs_r,NULL,default_regs_r,NULL}},
/* Super Mario 2 1998 */ /* Super Mario 2 1998 */
{0xffff,0x0474,0x00,0x00,{{0x0a,0x00,0x00,0x00},{0xffffff,0x000000,0x000000,0x000000},{0xa13000,0x000000,0x000000,0x000000},0,0,default_regs_r,NULL,NULL,NULL}}, {0xffff,0x0474,0x00,0x00,{{0x0a,0x00,0x00,0x00},{0xffffff,0xffffff,0xffffff,0xffffff},{0xa13000,0x000000,0x000000,0x000000},0,0,default_regs_r,NULL,NULL,NULL}},
/* Super Mario 2 1998 */ /* Super Mario 2 1998 */
{0x2020,0xb4eb,0x00,0x00,{{0x1c,0x00,0x00,0x00},{0xffffff,0x000000,0x000000,0x000000},{0xa13000,0x000000,0x000000,0x000000},0,0,default_regs_r,NULL,NULL,NULL}}, {0x2020,0xb4eb,0x00,0x00,{{0x1c,0x00,0x00,0x00},{0xffffff,0xffffff,0xffffff,0xffffff},{0xa13000,0x000000,0x000000,0x000000},0,0,default_regs_r,NULL,NULL,NULL}},
/* A Bug's Life */ /* A Bug's Life */
{0x7f7f,0x2aad,0x00,0x00,{{0x28,0x1f,0x01,0x00},{0xffffff,0xffffff,0xffffff,0x000000},{0xa13000,0xa13002,0xa1303e,0x000000},0,0,default_regs_r,NULL,NULL,NULL}}, {0x7f7f,0x2aad,0x00,0x00,{{0x28,0x1f,0x01,0x00},{0xffffff,0xffffff,0xffffff,0xffffff},{0xa13000,0xa13002,0xa1303e,0x000000},0,0,default_regs_r,NULL,NULL,NULL}},
/* King of Fighter 99 */ /* King of Fighter 99 */
{0x0000,0x021e,0x00,0x00,{{0x00,0x01,0x1f,0x00},{0xffffff,0xffffff,0xffffff,0x000000},{0xa13000,0xa13002,0xa1303e,0x000000},0,0,default_regs_r,NULL,NULL,NULL}}, {0x0000,0x021e,0x00,0x00,{{0x00,0x01,0x1f,0x00},{0xffffff,0xffffff,0xffffff,0xffffff},{0xa13000,0xa13002,0xa1303e,0x000000},0,0,default_regs_r,NULL,NULL,NULL}},
/* Pocket Monster */ /* Pocket Monster */
{0xd6fc,0x1eb1,0x00,0x00,{{0x00,0x01,0x1f,0x00},{0xffffff,0xffffff,0xffffff,0x000000},{0xa13000,0xa13002,0xa1303e,0x000000},0,0,default_regs_r,NULL,NULL,NULL}}, {0xd6fc,0x1eb1,0x00,0x00,{{0x00,0x01,0x1f,0x00},{0xffffff,0xffffff,0xffffff,0xffffff},{0xa13000,0xa13002,0xa1303e,0x000000},0,0,default_regs_r,NULL,NULL,NULL}},
/* Game no Kanzume Otokuyou */ /* Game no Kanzume Otokuyou */
{0x0000,0xf9d1,0x00,0x00,{{0x00,0x00,0x00,0x00},{0x000000,0x000000,0x000000,0x000000},{0x000000,0x000000,0x000000,0x000000},0,0,NULL,seganet_mapper_w,NULL,NULL}} {0x0000,0xf9d1,0x00,0x00,{{0x00,0x00,0x00,0x00},{0xffffff,0xffffff,0xffffff,0xffffff},{0x000000,0x000000,0x000000,0x000000},0,0,NULL,seganet_mapper_w,NULL,NULL}}
}; };
@ -719,7 +721,7 @@ static uint32 default_regs_r(uint32 address)
} }
/* unused */ /* unused */
return 0xffff; return m68k_read_bus_8(address);
} }
static void default_regs_w(uint32 address, uint32 data) static void default_regs_w(uint32 address, uint32 data)
@ -728,11 +730,15 @@ static void default_regs_w(uint32 address, uint32 data)
for (i=0; i<4; i++) for (i=0; i<4; i++)
{ {
if ((address & cart.hw.mask[i]) == cart.hw.addr[i]) if ((address & cart.hw.mask[i]) == cart.hw.addr[i])
{
cart.hw.regs[i] = data; cart.hw.regs[i] = data;
return;
}
} }
m68k_unused_8_w(address, data);
} }
/* special register behaviour (Lion King III, Super Donkey Kong 99) */ /* special register behaviour (Lion King III, Super Donkey Kong 99, Mulan, Pocket Monsters II) */
static void special_regs_w(uint32 address, uint32 data) static void special_regs_w(uint32 address, uint32 data)
{ {
/* ROM bankswitch */ /* ROM bankswitch */
@ -749,6 +755,10 @@ static void special_regs_w(uint32 address, uint32 data)
uint32 temp = cart.hw.regs[0]; uint32 temp = cart.hw.regs[0];
switch (cart.hw.regs[1]) switch (cart.hw.regs[1])
{ {
case 0:
cart.hw.regs[2] = (temp << 1);
break;
case 1: case 1:
cart.hw.regs[2] = (temp >> 1); cart.hw.regs[2] = (temp >> 1);
return; return;