Add Makefile and minor fixes to allow building files that match the distribution.

.gitignore

@@ -0,0 +1,11 @@
+*.sym
+
+boot-128
+common-128
+faces-128
+game0-128
+game1-128
+graphics-128
+intro-128
+loader-128
+sprites-128

Makefile

@@ -0,0 +1,31 @@
+ACME=acme
+
+PROGS	= boot-128 common-128 sprites-128
+
+all: $(PROGS)
+
+boot-128: boot.asm
+	$(ACME) $<
+
+common-128: common.asm
+	$(ACME) $<
+
+sprites-128: sprites.asm
+	$(ACME) $<
+
+boot.asm: loader.sym
+common.asm: faces.sym game0.sym game1.sym
+game0.asm: graphics.sym
+loader.sym: intro.sym loader.asm 
+
+%.sym: %.asm
+	$(ACME) $< || rm $@
+
+clean:
+	rm -f *.sym boot-128 common-128 faces-128 game0-128 game1-128 \
+		graphics-128 intro-128 loader-128 sprites-128 
+
+check: all
+	@echo "Verifying checksums....(you should look for errors below)"
+	@./checksum.sh
+

checksum.sh

@@ -0,0 +1,21 @@
+#!/bin/sh
+#
+LIST=$(ls *-128)
+
+status=0
+
+for f in $LIST
+do
+    NEWSUM=$(md5sum $f)
+    OLDSUM=$(grep " ${f}\$" original/checksums.txt)
+    if [ "$NEWSUM" != "$OLDSUM" ]; then
+        echo ERROR: $f MISMATCH:
+        echo NEWSUM=$NEWSUM
+        echo OLDSUM=$OLDSUM
+        status=1
+    fi
+done
+if [ "$status" = "0" ]; then
+    echo "All file checksums match the original distribution."
+fi
+exit $status

game1.asm

@@ -4053,7 +4053,7 @@ LEVEL_MUSIC:  !BYTE 1,0,2,3,0,1,2,3,0,1,2,3,0,1,2   ; ADDED NEW MUSIC FOR C128 L
 
 ;SPRITES ARE FULLY VISIBLE STARTING AT X=24 Y=50
 
-!SOURCE "BACKGROUND_TASKS.ASM"
+!SOURCE "background_tasks.asm"
 
 !IF VIC_CHARMAP {
 

original/checksums.txt

@@ -0,0 +1,26 @@
+0ddd3ca7a895819a837fe9bab4637025  game1-128
+19821f642d2d96bb8d63174a35226058  sprites-128
+26468796a18af25cea430d2d1d838f1f  faces-128
+34e482764e1beabfd6d7eff53dc5b817  level-c-128
+368f2d969a5df32a811ea7348a6a126d  level-i-128
+3b6404b2a41930b4e60caf26c8ceec0c  loader-128
+3dbe76523b9ec881ded442a87ad77a97  level-g-128
+455a8a0bceb7fa844227c11c54b6c6c8  level-l-128
+4746fb317b481daa933eb2c4f0b579fb  tileset-128
+4eddd10ada7292e77f2017fb8b76f57b  level-m-128
+551a7811c1d9104a3cef28b1c211582d  game0-128
+670473b3aacb131dd6dca6fa21e80b9d  level-j-128
+68ac6515aed51d9dc6c8ea1ea86600ce  level-e-128
+750c1d06979698ab0a84216d0081d87b  level-o-128
+83751746d299c5c85433d839fd0c5611  level-a-128
+8424c68cec9905d31045e6efb651de25  level-b-128
+970df4641d857711254bdebadf0ec206  level-h-128
+98e2b6e351e961d975e612125f881e72  level-d-128
+9b1d71fecfefba91ff2c1082a0fbd507  graphics-128
+bc12977aef2054223b9327f97d0cd999  intro-128
+bc8a90c3373e7b3d88fa7eae035fe3ac  level-k-128
+c5b9a22d05200280a34b47a63dca3215  level-f-128
+c5fafa27390edc2a46b60ba79ba6c1e5  common-128
+dd2f3fac23597e5f15337912faa256d6  boot-128
+efc697acf6970db9f9dbd770c8e74cfc  level-n-128
+f7229086fe4502e09352b8797827606f  music-128