From 16acc5d9619de75e3e67bd6631e10f4b2a734559 Mon Sep 17 00:00:00 2001 From: Oliver Stöneberg Date: Thu, 23 Oct 2014 09:31:42 +0200 Subject: added assert for index out-of-bounds access in z8536_device::external_port_w() with apple3 (nw) --- src/emu/machine/z8536.c | 1 + 1 file changed, 1 insertion(+) (limited to 'src/emu/machine/z8536.c') 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; -- cgit v1.2.3-70-g09d2