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[SMS] fixed number of pages for ROM sizes which are not a factor of page size

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ekeeke31 2012-04-05 21:26:06 +00:00
parent c294796fdc
commit d042eebd83
1 changed files with 3 additions and 3 deletions
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6
source/cart_hw/sms_cart.c
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@ -427,17 +427,17 @@ void sms_cart_init(void)
if (cart_rom.mapper < MAPPER_SEGA) if (cart_rom.mapper < MAPPER_SEGA)
{ {
/* 1k ROM banks */ /* 1k ROM banks */
cart_rom.pages = cart.romsize >> 10; cart_rom.pages = (cart.romsize + (1 << 10) - 1) >> 10;
} }
else if (cart_rom.mapper & MAPPER_KOREA_8K) else if (cart_rom.mapper & MAPPER_KOREA_8K)
{ {
/* 8k ROM banks */ /* 8k ROM banks */
cart_rom.pages = cart.romsize >> 13; cart_rom.pages = (cart.romsize + (1 << 13) - 1) >> 13;
} }
else else
{ {
/* 16k ROM banks */ /* 16k ROM banks */
cart_rom.pages = cart.romsize >> 14; cart_rom.pages = (cart.romsize + (1 << 14) - 1) >> 14;
} }
/* initialize extra hardware */ /* initialize extra hardware */