added ushow for sim output

utils/Makefile

@@ -1,5 +1,5 @@
 
-SUBDIRS = macro showbin maker skipz
+SUBDIRS = macro showbin maker skipz ushow
 
 all clean:
 	for d in $(SUBDIRS); do $(MAKE) -C $$d $@; done

utils/skipz/Makefile

@@ -0,0 +1,9 @@
+
+all: skipz
+
+skipz: skipz.c
+	cc -o skipz skipz.c
+
+clean:
+	rm -f skipz
+

utils/skipz/skipz.c

@@ -0,0 +1,48 @@
+/*
+ * brad@heeltoe.com
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <fcntl.h>
+
+size_t binfile_size;
+
+unsigned char binfile[64*1024];
+
+main(int argc, char *argv[])
+{
+    if (argc > 1) {
+	    int f, ret;
+	    char ch;
+
+	    f = open(argv[1], O_RDONLY);
+	    if (f < 0) {
+		    perror(argv[1]);
+		    return -1;
+	    }
+
+	    while (1) {
+		    ret = read(f, &ch, 1);
+		    if (ret != 1)
+			    return -1;
+		    if (ch == 'Z'-'@')
+			    break;
+	    }
+
+	    binfile_size = read(f, binfile, sizeof(binfile));
+	    ret = write(1, binfile, binfile_size);
+	    close(f);
+    }
+
+    exit(0);
+}
+
+
+/*
+ * Local Variables:
+ * indent-tabs-mode:nil
+ * c-basic-offset:4
+ * End:
+*/

utils/ushow/Makefile

@@ -0,0 +1,6 @@
+
+ushow: ushow.c
+	cc -o ushow ushow.c
+
+clean:
+	rm -f ushow

utils/ushow/ushow.c

@@ -0,0 +1,26 @@
+#include <stdio.h>
+
+int c;
+char b[1024];
+
+void add(int v)
+{
+	b[c++] = v & 0x7f;
+	b[c] = 0;
+	printf("output: %s\n", b);
+	fflush(stdout);
+}
+
+main()
+{
+	char line[1024];
+
+	while (fgets(line, sizeof(line), stdin)) {
+		if (memcmp(&line[4], "tx_data ", 8) == 0) {
+			char s1[256], s2[256];
+			int v;
+			sscanf(line, "%s %s %o", s1, s2, &v);
+			add(v);
+		}
+	}
+}