diff options
author | 2014-10-23 09:31:42 +0200 | |
---|---|---|
committer | 2014-10-23 09:31:42 +0200 | |
commit | 16acc5d9619de75e3e67bd6631e10f4b2a734559 (patch) | |
tree | 506becb5d3ba1649e5166297a4190b6f1ff0a9a0 /src/emu/machine/z8536.c | |
parent | a1f5e051caa54dad35aa99a96e6a29952dc752f3 (diff) |
added assert for index out-of-bounds access in z8536_device::external_port_w() with apple3 (nw)
Diffstat (limited to 'src/emu/machine/z8536.c')
-rw-r--r-- | src/emu/machine/z8536.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/src/emu/machine/z8536.c b/src/emu/machine/z8536.c index c1393b2988d..a497f3aefc4 100644 --- a/src/emu/machine/z8536.c +++ b/src/emu/machine/z8536.c @@ -828,6 +828,7 @@ void z8536_device::external_port_w(int port, int bit, int state) case PORT_A: case PORT_B: { + assert((PORT_A_DATA_DIRECTION + (port << 3)) >= 0 && (PORT_A_DATA_DIRECTION + (port << 3)) < ARRAY_LENGTH(m_register)); UINT8 ddr = m_register[PORT_A_DATA_DIRECTION + (port << 3)]; if (!BIT(ddr, bit)) return; |