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[Core/MD] fixed ROM padding for Sonic & Knuckles

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This commit is contained in:
EkeEke 2014-06-18 23:09:19 +02:00
parent 053c66c19f
commit 331ec8b7cb
4 changed files with 16 additions and 8 deletions
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builds/genesis_plus_gx_libretro.dll
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builds/genplus_cube.dol
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24
core/cart_hw/md_cart.c
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@ -292,14 +292,6 @@ void md_cart_init(void)
while (cart.romsize > size) while (cart.romsize > size)
size <<= 1; size <<= 1;
/* total ROM size is not a factor of 2 */
/* TODO: handle all possible ROM configurations using cartridge database */
if ((size < MAXROMSIZE) && (cart.romsize < size))
{
/* ROM is padded up to 2^k bytes */
memset(cart.rom + cart.romsize, 0xff, size - cart.romsize);
}
/* Sonic & Knuckles */ /* Sonic & Knuckles */
if (strstr(rominfo.international,"SONIC & KNUCKLES")) if (strstr(rominfo.international,"SONIC & KNUCKLES"))
{ {
@ -307,6 +299,22 @@ void md_cart_init(void)
size = 0x400000; size = 0x400000;
} }
/* total ROM size is not a factor of 2 */
/* TODO: handle all possible ROM configurations using cartridge database */
if (cart.romsize < size)
{
if (size < MAXROMSIZE)
{
/* ROM is padded up to 2^k bytes */
memset(cart.rom + cart.romsize, 0xff, size - cart.romsize);
}
else
{
/* ROM is padded up to max ROM size */
memset(cart.rom + cart.romsize, 0xff, MAXROMSIZE - cart.romsize);
}
}
/* ROM is mirrored each 2^k bytes */ /* ROM is mirrored each 2^k bytes */
cart.mask = size - 1; cart.mask = size - 1;