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added assert for index out-of-bounds access with deroon (nw)

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This commit is contained in:
Oliver Stöneberg 2014-08-07 07:33:16 +00:00
parent 0a39438a26
commit 64b2aa2fe0
1 changed files with 3 additions and 0 deletions
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3
src/mame/machine/tecmosys.c
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@ -212,7 +212,10 @@ WRITE16_MEMBER(tecmosys_state::tecmosys_prot_data_w)
m_device_value = 0;
}
else
{
assert(m_device_read_ptr >= 0 && m_device_read_ptr < ARRAY_LENGTH(m_device_data->checksums));
m_device_value = data == m_device_data->checksums[m_device_read_ptr] ? m_device_data->checksums[m_device_read_ptr++] : 0xff;
}
break;
case DS_DONE: