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Fix potential buffer overflow

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This commit is contained in:
Frank Palazzolo 2017-11-01 22:25:56 -04:00
parent 95ad1a3d81
commit 156674e252
1 changed files with 2 additions and 1 deletions
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3
src/devices/video/i8275.cpp
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@ -585,7 +585,8 @@ WRITE8_MEMBER( i8275_device::dack_w )
else
{
assert(m_buffer_idx >= 0 && m_buffer_idx < ARRAY_LENGTH(m_buffer[m_buffer_dma]));
m_buffer[m_buffer_dma][m_buffer_idx++] = data;
if (m_buffer_idx < ARRAY_LENGTH(m_buffer[m_buffer_dma]))
m_buffer[m_buffer_dma][m_buffer_idx++] = data;
if (!VISIBLE_FIELD_ATTRIBUTE && ((data & 0xc0) == 0x80))
{