diff --git a/simulators/Makefile.am b/simulators/Makefile.am
index 811db29a6..73ca41c19 100644
--- a/simulators/Makefile.am
+++ b/simulators/Makefile.am
@@ -8,7 +8,7 @@ DISTCLEANFILES =
 
 bin_PROGRAMS = 
 
-check_PROGRAMS = simelecraft simicom simkenwood simyaesu simicom9700 simft991 simftdx1200 simftdx3000 simjupiter simpowersdr simid5100 simft736 simftdx5000 simtmd700
+check_PROGRAMS = simelecraft simicom simkenwood simyaesu simicom9700 simft991 simftdx1200 simftdx3000 simjupiter simpowersdr simid5100 simft736 simftdx5000 simtmd700 simrotorez
 
 simelecraft_SOURCES = simelecraft.c 
 simicom_SOURCES = simicom.c 
diff --git a/simulators/simrotorez.c b/simulators/simrotorez.c
new file mode 100644
index 000000000..2fdfa142b
--- /dev/null
+++ b/simulators/simrotorez.c
@@ -0,0 +1,127 @@
+// can run this using rigctl/rigctld and socat pty devices
+// gcc -o simspid simspid.c
+#define _XOPEN_SOURCE 600
+#include <stdio.h>
+#include <stdlib.h>
+#include <fcntl.h>
+#include <string.h>
+#include <unistd.h>
+#include "../include/hamlib/rig.h"
+
+#define BUFSIZE 256
+
+float az = 0;
+float el = 0;
+
+int
+getmyline(int fd, char *buf)
+{
+    unsigned char c;
+    int i = 0;
+    int n = 0;
+    memset(buf, 0, BUFSIZE);
+
+    while (read(fd, &c, 1) > 0 && c!=';')
+    {
+        buf[i++] = c;
+        n++;
+        for(int i=0;i<strlen(buf);++i) printf("%02x ", buf[i]);
+        printf("\n");
+    }
+
+    return n;
+}
+
+#if defined(WIN32) || defined(_WIN32)
+int openPort(char *comport) // doesn't matter for using pts devices
+{
+    int fd;
+    fd = open(comport, O_RDWR);
+
+    if (fd < 0)
+    {
+        perror(comport);
+    }
+
+    return fd;
+}
+
+#else
+int openPort(char *comport) // doesn't matter for using pts devices
+{
+    int fd = posix_openpt(O_RDWR);
+    char *name = ptsname(fd);
+
+    if (name == NULL)
+    {
+        perror("pstname");
+        return -1;
+    }
+
+    printf("name=%s\n", name);
+
+    if (fd == -1 || grantpt(fd) == -1 || unlockpt(fd) == -1)
+    {
+        perror("posix_openpt");
+        return -1;
+    }
+
+    return fd;
+}
+#endif
+
+
+
+int main(int argc, char *argv[])
+{
+    char buf[256];
+    int n;
+
+again:
+    int fd = openPort(argv[1]);
+    int fd2 = openPort(argv[2]);
+    int flag = 0;
+
+    while (1)
+    {
+        int bytes;
+        if (!flag) bytes = getmyline(fd, buf);
+        else bytes = getmyline(fd2, buf);
+        flag = !flag;
+
+        if (bytes == 0)
+        {
+            //close(fd);
+            goto again;
+        }
+        printf("line=%s\n", buf);
+
+        if (strncmp(buf,"BI1",3) == 0)
+        {
+            sprintf(buf,"%3.1f;", az);
+            n = write(fd, buf, strlen(buf));
+            printf("n=%d\n", n);
+        }
+        else if (strncmp(buf,"AP1",3) == 0)
+        {
+            sscanf(buf,"AP1%f", &az);
+        }
+        else
+        {
+            printf("Unknown cmd=%s\n", buf);
+        }
+        
+#if 0
+        switch (buf[0])
+        {
+        case '?': printf("Query %c\n", buf[1]); break;
+
+        case '*': printf("Set %c\n", buf[1]); break;
+
+        default: printf("Unknown cmd=%02x\n", buf[4]);
+        }
+#endif
+    }
+
+    return 0;
+}