--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/simtool/readcmd.c	Sun Mar 14 07:11:25 2021 +0000
@@ -0,0 +1,68 @@
+/*
+ * This module implements elementary low-level readbin and readrec commands.
+ */
+
+#include <sys/types.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include "simresp.h"
+#include "curfile.h"
+
+cmd_readbin(argc, argv, outf)
+	char **argv;
+	FILE *outf;
+{
+	unsigned offset, len;
+	int rc;
+
+	offset = strtoul(argv[1], 0, 0);
+	if (offset > 0xFFFF) {
+		fprintf(stderr, "error: offset argument is out of range\n");
+		return(-1);
+	}
+	len = strtoul(argv[2], 0, 0);
+	if (len < 1 || len > 256) {
+		fprintf(stderr, "error: length argument is out of range\n");
+		return(-1);
+	}
+	rc = readbin_op(offset, len);
+	if (rc < 0)
+		return(rc);
+	display_sim_resp_in_hex(outf);
+	return(0);
+}
+
+cmd_readrec(argc, argv, outf)
+	char **argv;
+	FILE *outf;
+{
+	unsigned recno, len;
+	int rc;
+
+	recno = strtoul(argv[1], 0, 0);
+	if (recno < 1 || recno > 255) {
+		fprintf(stderr,
+			"error: record number argument is out of range\n");
+		return(-1);
+	}
+	if (argv[2]) {
+		len = strtoul(argv[2], 0, 0);
+		if (len < 1 || len > 255) {
+			fprintf(stderr,
+				"error: length argument is out of range\n");
+			return(-1);
+		}
+	} else {
+		if (!curfile_record_len) {
+			fprintf(stderr,
+			"error: no current file record length is available\n");
+			return(-1);
+		}
+		len = curfile_record_len;
+	}
+	rc = readrec_op(recno, 0x04, len);
+	if (rc < 0)
+		return(rc);
+	display_sim_resp_in_hex(outf);
+	return(0);
+}