diff --git a/000.trackdisk/Makefile b/000.trackdisk/Makefile
index 64cc409..3b85472 100644
--- a/000.trackdisk/Makefile
+++ b/000.trackdisk/Makefile
@@ -1,4 +1,3 @@
-MAKEADF=../tools/makeadf
 FLOPPY=bin/test.adf
 MODULE=main.s
 
diff --git a/Makefile b/Makefile
index cf4828f..7b299a8 100644
--- a/Makefile
+++ b/Makefile
@@ -1,4 +1,4 @@
-SUBDIRS=000.trackdisk 001.simple_image 002.sprite_display 003.music 004.copper_bars 005.copper_vert
+SUBDIRS=tools/makeadf tools/imagecon 000.trackdisk 001.simple_image 002.sprite_display 003.music 004.copper_bars 005.copper_vert
 
 .PHONY: subdirs $(SUBDIRS)
 
diff --git a/base.mk b/base.mk
index e2935c4..7d80d2c 100644
--- a/base.mk
+++ b/base.mk
@@ -1,3 +1,5 @@
+MAKEADFDIR=../tools/makeadf/
+MAKEADF=$(MAKEADFDIR)/bin/makeadf
 HOST_WARNINGS=-pedantic-errors -Wfatal-errors -Wall -Werror -Wextra -Wno-unused-parameter -Wshadow
 HOST_CFLAGS=-g $(HOST_WARNINGS)
 IMAGECONDIR=../tools/imagecon
@@ -26,8 +28,8 @@ out:
 $(IMAGECON):
 	make -C $(IMAGECONDIR)
 
-$(MAKEADF): ../tools/makeadf.c
-	gcc ../tools/makeadf.c -o $(MAKEADF)
+$(MAKEADF):
+	make -C $(MAKEADFDIR)
 
 $(FLOPPY): out/bootblock.bin
 	$(MAKEADF) out/bootblock.bin > $(FLOPPY)
diff --git a/tools/bitmap.pyc b/tools/bitmap.pyc
deleted file mode 100644
index 748acdb..0000000
Binary files a/tools/bitmap.pyc and /dev/null differ
diff --git a/tools/makeadf.c b/tools/makeadf.c
deleted file mode 100644
index 52d151c..0000000
--- a/tools/makeadf.c
+++ /dev/null
@@ -1,64 +0,0 @@
-/* 
- * http://eab.abime.net/showpost.php?p=895070&postcount=6 
- * Makes a disk image of 901120 (0xdc000) bytes.
- * Calculates boot block checksum.
- */
-
-#include <stdio.h>
-#include <string.h>
-#include <stdint.h>
-
-#define DISKSIZE (0xdc000)
-
-uint8_t image[DISKSIZE];
-
-
-static void boot_chksum(uint8_t *p)
-{
-  uint32_t oldchk,chk=0;
-  int i;
-
-  memset(p+4,0,4);
-  for (i=0; i<1024; i+=4) {
-    oldchk = chk;
-    chk += ((uint32_t)p[i+0] << 24) | ((uint32_t)p[i+1] << 16) |
-      ((uint32_t)p[i+2] << 8) | p[i+3];
-    if (chk < oldchk)
-      ++chk;  /* carry */
-  }
-
-  chk = ~chk;
-  p[4] = (uint8_t)((chk >> 24) & 0xff);
-  p[5] = (uint8_t)((chk >> 16) & 0xff);
-  p[6] = (uint8_t)((chk >> 8) & 0xff);
-  p[7] = (uint8_t)(chk & 0xff);
-}
-
-
-int main(int argc,char *argv[])
-{
-  FILE *f;
-  int rc = 1;
-  size_t len;
-
-  if (argc == 2) {
-    if (f = fopen(argv[1],"rb")) {
-      len = fread(image,1,DISKSIZE,f);
-      if (len > 0) {
-        if (len < DISKSIZE)
-          memset(image+len,0,DISKSIZE-len);
-        boot_chksum(image);
-        fwrite(image,1,DISKSIZE,stdout);
-        rc = 0;
-      }
-      else
-        fprintf(stderr,"Image read error!\n");
-    }
-    else
-      fprintf(stderr,"Cannot open '%s'!\n",argv[0]);  
-  }
-  else
-    fprintf(stderr,"Usage: %s <image data>\n",argv[0]);
-
-  return rc;
-}
diff --git a/tools/sum-bootblock.py b/tools/sum-bootblock.py
deleted file mode 100755
index 65a4433..0000000
--- a/tools/sum-bootblock.py
+++ /dev/null
@@ -1,29 +0,0 @@
-#! /usr/bin/env python
-
-import sys
-import struct
-
-def splice_checksum(block, chksum):
-	return block[0:4] + struct.pack('>I', chksum) + block[8:]
-
-def makeit(fn, ofn):
-	with open(fn, 'rb') as f: data = f.read()
-
-	data = data + '\0' * (1024 - len(data))
-	
-	chksum = 0
-	for w in xrange(0, 1024, 4):
-		chksum += struct.unpack('>I', data[w:w+4])[0]
-		if chksum > 0xffffffff:
-			chksum = (chksum + 1) & 0xffffffff
-
-	chksum = (~chksum) & 0xffffffff
-	
-	data2 = splice_checksum(data, chksum)
-	
-	with open(ofn, 'wb') as f: f.write(data2)
-
-if len(sys.argv) == 3:
-	makeit(sys.argv[1], sys.argv[2])
-else:
-	sys.stderr.write('need two args\n')