From e7c25cf0dc2df9afadba4c7a92c4a2a1750590fb Mon Sep 17 00:00:00 2001
From: rakslice <rakslice@gmail.com>
Date: Sun, 19 Aug 2018 17:34:41 -0700
Subject: [PATCH] dp8390: allow AppleTalk broadcast through recv

---
 src/devices/machine/dp8390.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/devices/machine/dp8390.cpp b/src/devices/machine/dp8390.cpp
index a77034461f7..874f301311e 100644
--- a/src/devices/machine/dp8390.cpp
+++ b/src/devices/machine/dp8390.cpp
@@ -132,7 +132,9 @@ void dp8390_device::recv(uint8_t *buf, int len) {
 	if(buf[0] & 1) {
 		if(!memcmp((const char *)buf, "\xff\xff\xff\xff\xff\xff", 6)) {
 			if(!(m_regs.rcr & 4)) return;
-		} else return; // multicast
+		} else if (memcmp((const char *)buf, "\x09\x00\x07\xff\xff\xff", 6) != 0) { // not AppleTalk broadcast
+			return; // multicast
+		}
 		m_regs.rsr = 0x20;
 	} else m_regs.rsr = 0;
 	len &= 0xffff;