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add primary NES memory access, allow get cheevos.

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This commit is contained in:
David Skywalker
2016-03-11 03:35:26 +01:00
parent 5007c4c9de
commit 613698e794
1 changed files with 46 additions and 18 deletions
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64
src/drivers/libretro/libretro.c
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@@ -1377,28 +1377,56 @@ unsigned retro_get_region(void)
return FSettings.PAL ? RETRO_REGION_PAL : RETRO_REGION_NTSC;
}
void *retro_get_memory_data(unsigned id)
void *retro_get_memory_data(unsigned type)
{
if (id != RETRO_MEMORY_SAVE_RAM)
return NULL;
uint8_t* data;
if (iNESCart.battery)
return iNESCart.SaveGame[0];
if (UNIFCart.battery)
return UNIFCart.SaveGame[0];
return 0;
switch(type)
{
case RETRO_MEMORY_SAVE_RAM:
if (iNESCart.battery)
return iNESCart.SaveGame[0];
else if (UNIFCart.battery)
return UNIFCart.SaveGame[0];
else
data = NULL;
break;
case RETRO_MEMORY_SYSTEM_RAM:
// TODO: add ExWRAM(0x2000) support ?
data = RAM;
break;
default:
data = NULL;
break;
}
return data;
}
size_t retro_get_memory_size(unsigned id)
size_t retro_get_memory_size(unsigned type)
{
if (id != RETRO_MEMORY_SAVE_RAM)
return 0;
unsigned size;
if (iNESCart.battery)
return iNESCart.SaveGameLen[0];
if (UNIFCart.battery)
return UNIFCart.SaveGameLen[0];
return 0;
switch(type)
{
case RETRO_MEMORY_SAVE_RAM:
if (iNESCart.battery)
size = iNESCart.SaveGameLen[0];
else if (UNIFCart.battery)
size = UNIFCart.SaveGameLen[0];
else
size = 0;
break;
case RETRO_MEMORY_SYSTEM_RAM:
// TODO: detect ExWRAM(0x2000) ?
// NES BASE RAM (0x800)
size = 0x800;
break;
default:
size = 0;
break;
}
return size;
}