diff --git a/examples/balloonflight.p8 b/examples/balloonflight.p8
index a1d964d7c..38b466b96 100644
--- a/examples/balloonflight.p8
+++ b/examples/balloonflight.p8
@@ -3,9 +3,6 @@
 %import textio
 %zeropage basicsafe
 
-; TODO balloon only goes down now
-
-
 main {
 
     ubyte perform_scroll = false
@@ -48,7 +45,9 @@ main {
 
             perform_scroll = false
             txt.scroll_left(true)
-            if c64.RASTER & 1
+
+            ; float the balloon
+            if rnd() & %10000
                 c64.SPXY[1] ++
             else
                 c64.SPXY[1] --
diff --git a/examples/diskdir.p8 b/examples/diskdir.p8
index 920a015b7..adcd6386a 100644
--- a/examples/diskdir.p8
+++ b/examples/diskdir.p8
@@ -5,8 +5,6 @@
 
 ; This example shows the directory contents of disk drive 8.
 
-; TODO why is this larger than on the previous compiler version?
-
 main {
     sub start() {
         txt.print("directory of disk drive #8:\n\n")
diff --git a/examples/fibonacci.p8 b/examples/fibonacci.p8
index 3ddeb75e2..ab7b3222c 100644
--- a/examples/fibonacci.p8
+++ b/examples/fibonacci.p8
@@ -4,8 +4,6 @@
 ; This example computes the first 20 values of the Fibonacci sequence.
 ; Note: this program is compatible with C64 and CX16.
 
-; TODO why is this larger than on the previous compiler version?
-
 main {
     sub start() {
         txt.print("fibonacci sequence\n")
diff --git a/examples/hello.p8 b/examples/hello.p8
index 8d4580435..25e099eb2 100644
--- a/examples/hello.p8
+++ b/examples/hello.p8
@@ -5,8 +5,6 @@
 
 ; Note: this program is compatible with C64 and CX16.
 
-; TODO why is this larger than on the previous compiler version?
-
 main {
 
     sub start() {
diff --git a/examples/swirl.p8 b/examples/swirl.p8
index d28ccfca8..b2424f594 100644
--- a/examples/swirl.p8
+++ b/examples/swirl.p8
@@ -3,9 +3,6 @@
 
 ; Note: this program is compatible with C64 and CX16.
 
-; TODO why is this larger than on the previous compiler version?
-
-
 main {
     const uword screenwidth = txt.DEFAULT_WIDTH
     const uword screenheight = txt.DEFAULT_HEIGHT
diff --git a/examples/test.p8 b/examples/test.p8
index c675aa876..b44d613f6 100644
--- a/examples/test.p8
+++ b/examples/test.p8
@@ -1,22 +1,11 @@
-%import syslib
-; %import graphics
+%target c64
 %import textio
-%import floats
+%import syslib
 %zeropage basicsafe
 
 
 main {
-
-    sub start()  {
-
-        byte bb= -22
-        ubyte ubb = 22
-        word ww= -2222
-        uword uww = 2222
-        float ff = -2.2
-
-
-        ; @($c000) *= 99        ; TODO implement
+    sub start() {
 
     }
 }
diff --git a/examples/wizzine.p8 b/examples/wizzine.p8
index 9ba38dc9d..9211a817e 100644
--- a/examples/wizzine.p8
+++ b/examples/wizzine.p8
@@ -2,9 +2,6 @@
 %import syslib
 %zeropage basicsafe
 
-; TODO fix code that has become slower  (should be fixed after all the new comparison expression code is done)
-
-
 spritedata $0a00 {
     ; this memory block contains the sprite data
     ; it must start on an address aligned to 64 bytes.
@@ -58,7 +55,7 @@ irq {
             ubyte @zp y = cos8u(angle*3-spri*16) / 2 + 70
             c64.SPXYW[spri] = mkword(y, lsb(x))
             c64.MSIGX <<= 1
-            if msb(x) c64.MSIGX++           ; TODO has this become badly translated to asm?? it makes the loop quite slow
+            if msb(x) c64.MSIGX++
         }
         c64.EXTCOL-=8
     }