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-rw-r--r--src/emu/debug/dvmemory.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/emu/debug/dvmemory.c b/src/emu/debug/dvmemory.c
index c284446bdae..5dfbfa0ef8c 100644
--- a/src/emu/debug/dvmemory.c
+++ b/src/emu/debug/dvmemory.c
@@ -749,6 +749,8 @@ void debug_view_memory::set_bytes_per_chunk(UINT8 chunkbytes)
m_bytes_per_chunk = chunkbytes;
m_chunks_per_row = m_bytes_per_row / chunkbytes;
+ if (m_chunks_per_row < 1)
+ m_chunks_per_row = 1;
m_recompute = m_update_pending = true;
pos.m_shift += 8 * ((pos.m_address % m_bytes_per_chunk) ^ ((source.m_endianness == ENDIANNESS_LITTLE) ? 0 : (m_bytes_per_chunk - 1)));