From 1b545f6806e384d0dc50aba5f5bae8c82d9f650d Mon Sep 17 00:00:00 2001
From: Jeremiah Orians <jeremiah@pdp10.guru>
Date: Sat, 3 Sep 2016 19:43:31 -0400
Subject: [PATCH] Added a High level prototype for speeding up the process of
 manually calculating hex addresses

---
 High_level_prototypes/dehex.c | 43 +++++++++++++++++++++++++++++++++++
 1 file changed, 43 insertions(+)
 create mode 100644 High_level_prototypes/dehex.c

diff --git a/High_level_prototypes/dehex.c b/High_level_prototypes/dehex.c
new file mode 100644
index 0000000..cddf3b9
--- /dev/null
+++ b/High_level_prototypes/dehex.c
@@ -0,0 +1,43 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdint.h>
+#include <stdbool.h>
+#include <string.h>
+
+static uint32_t address;
+
+void dehex(uint8_t c)
+{
+	if(0 == address%4)
+	{
+		char line[255] = {0};
+		sprintf(line, "%08x", address);
+		printf("\n%s:\t", line);
+	}
+
+	char table[16] = {0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x38, 0x39, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46};
+	printf("%c%c ", table[c/16], table[c%16]);
+}
+
+/* Standard C main program */
+int main(int argc, char **argv)
+{
+	/* Make sure we have a program tape to run */
+	if (argc < 2)
+	{
+		fprintf(stderr, "Usage: %s $FileName\nWhere $FileName is the name of the paper tape of the program being run\n", argv[0]);
+		return EXIT_FAILURE;
+	}
+
+	FILE* source_file = fopen(argv[1], "r");
+
+	int c = fgetc(source_file);
+	while(EOF != c)
+	{
+		dehex(c);
+		c = fgetc(source_file);
+		address = address + 1;
+	}
+
+	exit(EXIT_SUCCESS);
+}