Refactored AHA-154x and BusLogic emulation and made them use a common core;

Fixed AHA-154x scatter/gather transfers;
Two-phased SCSI read-direction commands;
Made scsi_bus.c use a dynamically malloc'd buffer instead of a giant fixed-size buffer;
The AHA-154x/BusLogic thread now uses mutexes;
The BusLogic BT-545C is now the BT-545S;
Added the BusLogic BT-542BH;
The AHA-1542CF now again uses the v2.11 BIOS as the CD booting now works;
Applied PCem commit that adds NMI support to the recompiler;
Applied PCem commit that adds the IBM XT 286;
Applied PCem commits that have to do with sound, including the ES1371;
Fixed the NCR5380 output data register;
Moved the SLiRP mutex stuff from win.c to the appropriate network files;
Added sanity checks to everything in win_thread.c.

src/network/net_slirp.c

@@ -32,6 +32,29 @@ static queueADT	slirpq;			/* SLiRP library handle */
 static thread_t	*poll_tid;
 static NETRXCB	poll_rx;		/* network RX function to call */
 static void	*poll_arg;		/* network RX function arg */
+static void	*slirpMutex;
+
+
+
+void
+network_slirp_mutex_init(void)
+{
+    slirpMutex = thread_create_mutex(L"86Box.SLiRPMutex");
+}
+
+
+static void
+startslirp(void)
+{
+    thread_wait_mutex(slirpMutex);
+}
+
+
+static void
+endslirp(void)
+{
+    thread_release_mutex(slirpMutex);
+}
 
 
 /* Instead of calling this and crashing some times

src/network/network.c

@@ -89,6 +89,8 @@ network_init(void)
 
     if (network_type != NET_TYPE_PCAP)
 	network_pcap_close();
+
+    network_slirp_mutex_init();
 }
 
 

src/network/network.h

@@ -70,6 +70,7 @@ extern void	network_pcap_close(void);
 extern int	network_pcap_test(void);
 extern void	network_pcap_in(uint8_t *, int);
 
+extern void	network_slirp_mutex_init(void);
 extern int	network_slirp_setup(uint8_t *, NETRXCB, void *);
 extern void	network_slirp_close(void);
 extern int	network_slirp_test(void);