From 5b6a3f3b216939a11ed1978d7da4dd6bbe4edc2a Mon Sep 17 00:00:00 2001
From: Wojciech Kosior <kwojtus@protonmail.com>
Date: Tue, 29 Dec 2020 19:52:00 +0100
Subject: add a C program for translating binary files to format understood by
 Verilog

---
 tools/Makefile       |  2 ++
 tools/Makefile.tools |  2 +-
 tools/bin2hex.c      | 26 ++++++++++++++++++++++++++
 3 files changed, 29 insertions(+), 1 deletion(-)
 create mode 100644 tools/bin2hex.c

diff --git a/tools/Makefile b/tools/Makefile
index 8634a5c..a166da1 100644
--- a/tools/Makefile
+++ b/tools/Makefile
@@ -11,6 +11,8 @@ wasm_compile : wasm_compile.o assemble.o parse_module.o translate.o
 
 VGAdump2ppm : VGAdump2ppm.o
 
+bin2hex : bin2hex.o
+
 clean :
 	rm *.o 2>/dev/null || true
 	find . -executable -type f -delete
diff --git a/tools/Makefile.tools b/tools/Makefile.tools
index 5fc2b6c..19b265c 100644
--- a/tools/Makefile.tools
+++ b/tools/Makefile.tools
@@ -1,4 +1,4 @@
 # This variable definition has been put here, because it is used by
 # toplevel Makefile as well as Makefile in tools/
 
-TOOLS = wasm_compile VGAdump2ppm
+TOOLS = wasm_compile VGAdump2ppm bin2hex
diff --git a/tools/bin2hex.c b/tools/bin2hex.c
new file mode 100644
index 0000000..f4f2745
--- /dev/null
+++ b/tools/bin2hex.c
@@ -0,0 +1,26 @@
+#include <stdio.h>
+#include <stdint.h>
+
+int main(int argc, char **argv)
+{
+	int input;
+
+	while (1) {
+		input = getchar();
+
+		if (input == EOF)
+			break;
+
+		printf("%02x", input);
+
+		input = getchar();
+
+		/* If we have odd number of bytes, pad with a NULL-byte. */
+		if (input == EOF)
+			input = 0;
+
+		printf(" %02x\n", input);
+	}
+
+	return 0;
+}
-- 
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