SEGAy/lindbergh-loader
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Syntax error and fix for some games that do not support Freeplay.

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This commit is contained in:
dkeruza 2023-12-18 00:32:09 -05:00
parent 711e27f489
commit 38f81fb887
8 changed files with 58 additions and 27 deletions
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BIN
src/libkswapapi/libkswapapi.o Normal file
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4
src/lindbergh/config.c
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@ -430,8 +430,8 @@ int initConfig()
config.width = 1024;
config.height = 768;
config.crc32 = elf_crc;
config.region = US;
config.freeplay = 1;
config.region = -1;
config.freeplay = -1;
if (detectGame(config.crc32) != 0)
{
printf("Warning: Unsure what game with CRC 0x%X is. Please submit this new game to the GitHub repository: https://github.com/bobbydilley/lindbergh-loader/issues/new?title=Please+add+new+game+0x%X&body=I+tried+to+launch+the+following+game:\n", config.crc32, config.crc32);

52
src/lindbergh/eeprom.c
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@ -6,7 +6,7 @@
#include "eeprom_settings.h"
#include "config.h"
#define I2C_SMBUS_BLOCK_MAX 32
#define I2C_SMBUS_BLOCK_MAX 32
#define I2C_GET_FUNCTIONS 0x705
#define I2C_SMBUS_TRANSFER 0x720
#define I2C_SET_SLAVE_MODE 0x703
@ -15,17 +15,19 @@
#define I2C_SEEK 2
#define I2C_WRITE 3
union i2c_smbus_data {
uint8_t byte;
uint16_t word;
uint8_t block[I2C_SMBUS_BLOCK_MAX + 2];
union i2c_smbus_data
{
uint8_t byte;
uint16_t word;
uint8_t block[I2C_SMBUS_BLOCK_MAX + 2];
};
struct i2c_smbus_ioctl_data {
uint8_t read_write;
uint8_t command;
uint32_t size;
union i2c_smbus_data *data;
struct i2c_smbus_ioctl_data
{
uint8_t read_write;
uint8_t command;
uint32_t size;
union i2c_smbus_data *data;
};
FILE *eeprom = NULL;
@ -47,18 +49,34 @@ int initEeprom()
eeprom = fopen(eepromPath, "rb+");
if(eepromSettingsInit(eeprom) !=0)
if (eepromSettingsInit(eeprom) != 0)
{
printf("Error initializing eeprom settings.");
fclose(eeprom);
return 1;
}
if(getRegion() != getConfig()->region)
setRegion(eeprom, getConfig()->region);
if(getFreeplay() != getConfig()->freeplay)
setFreeplay(eeprom, getConfig()->freeplay);
if (getConfig()->region != -1)
{
if (getRegion() != getConfig()->region)
setRegion(eeprom, getConfig()->region);
}
if (getConfig()->freeplay != -1)
{
if (getFreeplay() != getConfig()->freeplay)
setFreeplay(eeprom, getConfig()->freeplay);
}
if ((getConfig()->game == LETS_GO_JUNGLE_SPECIAL) || (getConfig()->game == THE_HOUSE_OF_THE_DEAD_EX) || (getConfig()->game == THE_HOUSE_OF_THE_DEAD_4_SPECIAL))
{
if (fixCreditSection(eeprom) != 0)
{
printf("Error initializing eeprom settings.");
fclose(eeprom);
return 1;
}
}
fseek(eeprom, 0, SEEK_SET);

13
src/lindbergh/eeprom_settings.c
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@ -199,6 +199,19 @@ int setFreeplay(FILE *eeprom, int freeplay)
return 0;
}
int fixCreditSection(FILE *eeprom)
{
eepromBuffer[eepromOffsetTable[CREDIT].offset + 36] = 0;
eepromBuffer[eepromOffsetTable[CREDIT].offset + 39] = 0;
addCRCtoBuffer(CREDIT);
if (writeSectiontoFile(eeprom, CREDIT) != 0)
{
printf("Error setting Free Play.");
return 1;
}
return 0;
}
int eepromSettingsInit( FILE *eeprom)
{
build_crc32_table();

1
src/lindbergh/eeprom_settings.h
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@ -3,3 +3,4 @@ int getRegion();
int getFreeplay();
int setRegion(FILE *eeprom, int region);
int setFreeplay(FILE *eeprom, int freeplay);
int fixCreditSection(FILE *eeprom);

2
src/lindbergh/hook.c
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@ -42,7 +42,7 @@
#define OSRELEASE 1
#define PCI_CARD_1F0 2
int hooks[5] = {-1, -1, -1, -1};
int hooks[5] = {-1, -1, -1, -1};
FILE *fileHooks[3] = {NULL, NULL, NULL};
int fileRead[3] = {0, 0, 0};
char envpath[100];

6
src/lindbergh/jvs.c
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@ -35,7 +35,7 @@ int initJVS()
io.capabilities.players = 2;
io.capabilities.analogueInBits = 8;
io.capabilities.rightAlignBits = 0;
io.capabilities.analogueInChannels = 20;
io.capabilities.analogueInChannels = 8;
io.capabilities.generalPurposeOutputs = 20;
io.capabilities.commandVersion = 19;
io.capabilities.jvsVersion = 48;
@ -265,8 +265,6 @@ JVSStatus processPacket()
outputPacket.data[outputPacket.length] = REPORT_SUCCESS;
outputPacket.data[outputPacket.length + 1] = io.state.inputSwitch[0];
outputPacket.length += 2;
//printf("SW=%08d\r", io.state.inputSwitch[0]);
for (int i = 0; i < inputPacket.data[index + 1]; i++)
{
@ -569,8 +567,6 @@ JVSStatus readPacket(JVSPacket *packet)
*/
JVSStatus writePacket(JVSPacket *packet)
{
/* Get pointer to raw data in packet */
unsigned char *packetPointer = (unsigned char *)packet;

7
src/lindbergh/patch.c
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@ -494,7 +494,7 @@ int initPatch()
detourFunction(0x084e537d, amDongleUpdate);
setVariable(0x080d1f02, 0x90909090); // Patch acpSystem::checkDongle
setVariable(0x080d1f06, 0xE8C3C990); // Patch acpSystem::checkDongle
setVariable(0x0807b76a, 0xc2839090); // Patch initializeArcadeBackup
setVariable(0x0807b76d, 0xc2839090); // Patch initializeArcadeBackup
// Fixes
detourFunction(0x084e500e, amDipswGetData);
detourFunction(0x084e5086, stubRetZero); // Stub amDipswSetLed
@ -532,7 +532,8 @@ int initPatch()
detourFunction(0x08510600, amDongleUpdate);
setVariable(0x080dad63, 0x90909090); // Patch acpSystem::checkDongle
setVariable(0x080dad67, 0xE8C3C990); // Patch acpSystem::checkDongle
setVariable(0x0807e609, 0xc2839090); // Patch initializeArcadeBackup
setVariable(0x0807e609, 0x90909090); // Patch initializeArcadeBackup
setVariable(0x0807e60d, 0xc2839090); // Patch initializeArcadeBackup
// Fixes
detourFunction(0x08510256, amDipswGetData);
detourFunction(0x085102ce, stubRetZero); // Stub amDipswSetLed
@ -648,6 +649,8 @@ int initPatch()
break;
case VIRTUA_TENNIS_3_TEST:
{
// Debug
detourFunction(0x08054d14, _putConsole); // Crashes the game sometimes.
// Security
detourFunction(0x0815f610, amDongleInit);
detourFunction(0x0815f923, amDongleIsAvailable);