From 9c42a19b2dfa0c83869ad38ba29038f4af8dab7c Mon Sep 17 00:00:00 2001 From: jbu Date: Sun, 9 Nov 2014 02:33:06 +0100 Subject: Prevent calls to osd_read/write when m_pSocket is NULL [nw] --- src/emu/bus/coco/coco_dwsock.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/src/emu/bus/coco/coco_dwsock.c b/src/emu/bus/coco/coco_dwsock.c index 898872f645a..aff17ae2929 100644 --- a/src/emu/bus/coco/coco_dwsock.c +++ b/src/emu/bus/coco/coco_dwsock.c @@ -134,6 +134,9 @@ READ8_MEMBER(beckerport_device::read) { unsigned char data = 0x5a; + if (m_pSocket == NULL) + return data; + switch (offset) { case DWS_STATUS: @@ -174,6 +177,9 @@ WRITE8_MEMBER(beckerport_device::write) char d = (char)data; file_error filerr; + if (m_pSocket == NULL) + return; + switch (offset) { case DWS_STATUS: -- cgit v1.2.3