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. disabled SRAM on power on when ROM & SRAM are sharing same memory area

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ekeeke31 2011-04-28 00:12:30 +00:00
parent 03f154f7af
commit ea8228be66
1 changed files with 11 additions and 8 deletions
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5
source/cart_hw/md_cart.c
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@ -296,7 +296,9 @@ void md_cart_init(void)
} }
else else
{ {
/* Static RAM (64k max.) */ /* Static RAM (64k max.) - disabled on reset if ROM is mapped in same area */
if (cart.romsize < sram.start)
{
m68k_memory_map[sram.start >> 16].base = sram.sram; m68k_memory_map[sram.start >> 16].base = sram.sram;
m68k_memory_map[sram.start >> 16].read8 = NULL; m68k_memory_map[sram.start >> 16].read8 = NULL;
m68k_memory_map[sram.start >> 16].read16 = NULL; m68k_memory_map[sram.start >> 16].read16 = NULL;
@ -306,6 +308,7 @@ void md_cart_init(void)
zbank_memory_map[sram.start >> 16].write = NULL; zbank_memory_map[sram.start >> 16].write = NULL;
} }
} }
}
/********************************************** /**********************************************
SVP CHIP SVP CHIP