diff --git a/emul/.gitignore b/emul/.gitignore
index 7843c19..0f177a7 100644
--- a/emul/.gitignore
+++ b/emul/.gitignore
@@ -1,14 +1,8 @@
-/shell/shell
 /forth/stage1
 /forth/stage1dbg
 /forth/stage2
 /forth/stage2dbg
 /forth/forth
-/zasm/zasm
-/zasm/avra
 /runbin/runbin
 /*/*-bin.h
 /*/*.bin
-/cfsin/zasm
-/cfsin/ed
-/cfsin/user.h
diff --git a/emul/Makefile b/emul/Makefile
index ad24183..75f73b3 100644
--- a/emul/Makefile
+++ b/emul/Makefile
@@ -1,4 +1,5 @@
 TARGETS = runbin/runbin forth/forth
+BIN2C = ../tools/bin2c
 # Those Forth source files are in a particular order
 FORTHSRCS = core.fs cmp.fs print.fs str.fs parse.fs readln.fs fmt.fs z80a.fs \
 	link.fs
@@ -12,6 +13,7 @@ all: $(TARGETS)
 
 $(STRIPFC):
 $(SLATEST):
+$(BIN2C):
 	$(MAKE) -C ../tools
 
 # z80c.bin and boot.bin are not in the prerequisites because they're bootstrap
@@ -21,8 +23,8 @@ forth/forth0.bin: $(SLATEST)
 	$(SLATEST) $@
 	cat forth/emul.fs >> $@
 
-forth/forth0-bin.h: forth/forth0.bin
-	./bin2c.sh KERNEL < forth/forth0.bin | tee $@ > /dev/null
+forth/forth0-bin.h: forth/forth0.bin $(BIN2C)
+	$(BIN2C) KERNEL < forth/forth0.bin | tee $@ > /dev/null
 
 forth/stage1: forth/stage.c $(OBJS) forth/forth0-bin.h 
 	$(CC) forth/stage.c $(OBJS) -o $@
@@ -39,8 +41,8 @@ forth/forth1.bin: forth/core.bin $(SLATEST)
 	cat forth/boot.bin forth/z80c.bin forth/core.bin > $@
 	$(SLATEST) $@
 
-forth/forth1-bin.h: forth/forth1.bin
-	./bin2c.sh KERNEL < forth/forth1.bin | tee $@ > /dev/null
+forth/forth1-bin.h: forth/forth1.bin $(BIN2C)
+	$(BIN2C) KERNEL < forth/forth1.bin | tee $@ > /dev/null
 
 forth/stage2: forth/stage.c $(OBJS) forth/forth1-bin.h 
 	$(CC) -DSTAGE2 forth/stage.c $(OBJS) -o $@
@@ -67,3 +69,4 @@ updatebootstrap: forth/stage2
 .PHONY: clean
 clean:
 	rm -f $(TARGETS) emul.o forth/*-bin.h forth/forth?.bin
+	$(MAKE) -C ../tools clean
diff --git a/emul/bin2c.sh b/emul/bin2c.sh
deleted file mode 100755
index 62f0c09..0000000
--- a/emul/bin2c.sh
+++ /dev/null
@@ -1,5 +0,0 @@
-#!/bin/sh
-
-echo "unsigned char $1[] = { "
-xxd -i -
-echo " };"
diff --git a/tools/.gitignore b/tools/.gitignore
index 2de759b..bcca6b1 100644
--- a/tools/.gitignore
+++ b/tools/.gitignore
@@ -6,3 +6,4 @@
 /pingpong
 /slatest
 /stripfc
+/bin2c
diff --git a/tools/Makefile b/tools/Makefile
index d23016c..a676406 100644
--- a/tools/Makefile
+++ b/tools/Makefile
@@ -6,8 +6,10 @@ TTYSAFE_TGT = ttysafe
 PINGPONG_TGT = pingpong
 SLATEST_TGT = slatest
 STRIPFC_TGT = stripfc
+BIN2C_TGT = bin2c
 TARGETS = $(MEMDUMP_TGT) $(BLKDUMP_TGT) $(UPLOAD_TGT) $(FONTCOMPILE_TGT) \
-	$(TTYSAFE_TGT) $(PINGPONG_TGT) $(SLATEST_TGT) $(STRIPFC_TGT)
+	$(TTYSAFE_TGT) $(PINGPONG_TGT) $(SLATEST_TGT) $(STRIPFC_TGT) \
+	$(BIN2C_TGT)
 OBJS = common.o
 
 all: $(TARGETS)
@@ -24,6 +26,7 @@ $(TTYSAFE_TGT): $(TTYSAFE_TGT).c
 $(PINGPONG_TGT): $(PINGPONG_TGT).c
 $(SLATEST_TGT): $(SLATEST_TGT).c
 $(STRIPFC_TGT): $(STRIPFC_TGT).c
+$(BIN2C_TGT): $(BIN2C_TGT).c
 $(TARGETS): $(OBJS)
 	$(CC) $(CFLAGS) $@.c $(OBJS) -o $@
 
diff --git a/tools/bin2c.c b/tools/bin2c.c
new file mode 100644
index 0000000..93843b7
--- /dev/null
+++ b/tools/bin2c.c
@@ -0,0 +1,50 @@
+/*
+ * Copyright (c) 2020 Byron Grobe
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdint.h>
+
+#define BUFSZ 32
+
+static const char intro[] = "static const unsigned char %s[] = {\n    ";
+
+int main(int argc, char **argv) {
+  int n;
+  int col = 0;
+  uint8_t buf[BUFSZ];
+
+  if (argc < 2) {
+    fprintf(stderr, "Specify a name for the data structure...\n");
+    return 1;
+  }
+
+  printf(intro, argv[1]);
+
+  while(!feof(stdin)) {
+    n = fread(buf, 1, BUFSZ, stdin);
+    for(int i = 0; i < n; ++i) {
+      if (col+4 >= 76) {
+          printf("\n    ");
+          col = 0;
+        }
+      printf("0x%.2x, ", buf[i]);
+      col += 6;
+    }
+  }
+
+  printf("};\n");
+}