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Add cheat support to Libretro

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This commit is contained in:
Alcaro 2013-07-26 19:48:55 +02:00
parent b1ae0f4d6b
commit a720f8280f
1 changed files with 28 additions and 5 deletions
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33
libretro/libretro.cpp
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@ -218,15 +218,38 @@ void retro_set_controller_port_device(unsigned port, unsigned device)
}
void retro_cheat_reset()
{}
{
S9xDeleteCheats();
S9xApplyCheats();
}
void retro_cheat_set(unsigned, bool, const char*)
{}
void retro_cheat_set(unsigned index, bool enabled, const char *code)
{
uint32 address;
uint8 val;
if (S9xGameGenieToRaw(code, address, val)!=NULL &&
S9xProActionReplayToRaw(code, address, val)!=NULL)
{ // bad code, ignore
return;
}
if (index>Cheat.num_cheats) return; // cheat added in weird order, ignore
if (index==Cheat.num_cheats) Cheat.num_cheats++;
Cheat.c[index].address = address;
Cheat.c[index].byte = val;
Cheat.c[index].enabled = enabled;
Cheat.c[index].saved = FALSE; // it'll be saved next time cheats run anyways
Settings.ApplyCheats=true;
S9xApplyCheats();
}
bool retro_load_game(const struct retro_game_info *game)
{
if(game->data == NULL && game->size == NULL && game->path != NULL)
if(game->data == NULL && game->size == 0 && game->path != NULL)
rom_loaded = Memory.LoadROM(game->path);
else
rom_loaded = Memory.LoadROMMem((const uint8_t*)game->data ,game->size);
@ -266,7 +289,7 @@ bool retro_load_game_special(unsigned game_type,
if(num_info == 2)
rom_loaded = Memory.LoadMultiCartMem((const uint8_t*)info[0].data, info[0].size,
(const uint8_t*)info[1].data, info[1].size, NULL, NULL);
(const uint8_t*)info[1].data, info[1].size, NULL, 0);
if (!rom_loaded)
{