diff --git a/demos/demo/m.sh b/demos/demo/m.sh
new file mode 100755
index 0000000..a4e0e70
--- /dev/null
+++ b/demos/demo/m.sh
@@ -0,0 +1,2 @@
+#!/bin/sh
+../../tools/build.sh demo
diff --git a/demos/picshow/m.sh b/demos/picshow/m.sh
new file mode 100755
index 0000000..6a10fe1
--- /dev/null
+++ b/demos/picshow/m.sh
@@ -0,0 +1,2 @@
+#!/bin/sh
+../../tools/build.sh picshow
diff --git a/demos/tetris/m.sh b/demos/tetris/m.sh
new file mode 100755
index 0000000..87d0282
--- /dev/null
+++ b/demos/tetris/m.sh
@@ -0,0 +1,2 @@
+#!/bin/sh
+../../tools/build.sh tetris
diff --git a/tools/build.bat b/tools/build.bat
index 7a71e2e..6bc21b3 100644
--- a/tools/build.bat
+++ b/tools/build.bat
@@ -4,7 +4,7 @@
 @SET TMS9918=..\..
 
 @echo ======================== VIC20 ===================================================
-call kickc -includedir %TMS9918%\lib -targetdir %TMS9918%\kickc\ -t VIC20_8K %TARGET%.c -o out\%TARGET%_vic20.prg -e
+call kickc -includedir %TMS9918%\lib -targetdir %TMS9918%\kickc\ -t vic20_8k %TARGET%.c -o out\%TARGET%_vic20.prg -e
 copy out\%TARGET%.prg out\%TARGET%_vic20.prg
 
 @echo ======================== APPLE 1 =================================================
diff --git a/tools/build.sh b/tools/build.sh
new file mode 100755
index 0000000..b46ef67
--- /dev/null
+++ b/tools/build.sh
@@ -0,0 +1,25 @@
+#!/bin/sh
+
+TARGET=$1
+TMS9918=../..
+
+mkdir -p out
+
+echo ======================== VIC20 ===================================================
+kickc.sh -includedir ${TMS9918}/lib -targetdir ${TMS9918}/kickc/ -t vic20_8k ${TARGET}.c -o out/${TARGET}_vic20.prg -e
+cp out/${TARGET}.prg out/${TARGET}_vic20.prg
+
+echo ======================== APPLE 1 =================================================
+kickc.sh -includedir ${TMS9918}/lib -targetdir ${TMS9918}/kickc/ -t apple1_jukebox ${TARGET}.c -o out/${TARGET}_apple1.prg -e
+
+# builds the apple1 eprom file
+node ${TMS9918}/tools/mkeprom out out/${TARGET}_apple1.bin
+
+# clean up files
+rm -f out/apple1_codeseg.bin
+rm -f out/apple1_dataseg.bin
+rm -f out/*.vs
+rm -f out/*.klog
+rm -f out/*.vs
+rm -f out/*.dbg
+rm -f out/${TARGET}.prg