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(MESS) prevent usage of invalid index in nimbus_bank_memory() (nw)

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This commit is contained in:
Oliver Stöneberg 2013-02-13 11:55:16 +00:00
parent 1e7e9ade9c
commit 67af3f42af
1 changed files with 2 additions and 2 deletions
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4
src/mess/machine/rmnimbus.c
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@ -2030,8 +2030,8 @@ static void nimbus_bank_memory(running_machine &machine)
if(LOG_RAM) logerror("mapped %s",bank);
if((block_ofs < ramblocks[ramblock][map_blockno].blocksize) &&
(map_blocks[map_blockno]!=NULL) && (map_blockno>-1))
if((map_blockno>-1) && (block_ofs < ramblocks[ramblock][map_blockno].blocksize) &&
(map_blocks[map_blockno]!=NULL))
{
map_base=(ramsel==0x07) ? map_blocks[map_blockno] : &map_blocks[map_blockno][block_ofs*1024];