diff --git a/maze.tal b/maze.tal
index 2ab1bd6..5ed1a78 100644
--- a/maze.tal
+++ b/maze.tal
@@ -21,9 +21,6 @@
 %DEC2 { #0001 SUB2 }
 %NEGATE2 { #ffff MUL2 }
 
-( todo: use variables? )
-( %ROWS { #0023 } ( rows of cells )
-( %COLS { #0033 } ( columns of cells )
 %ROWS { #0027 } ( rows of cells )
 %COLS { #003f } ( columns of cells )
 %MAZEROWS { ROWS #0003 SUB2 #0002 DIV2 }
@@ -56,12 +53,6 @@
 ( variables )
 |0000
 
-( TODO )
-( i feel like i should be able to intialize constant values here )
-( instead of initializing them in the program. )
-( but it doesnt seem to work. )
-( not sure why. )
-
 ( pseudo-random number generator )
 @rng [ &x $2 &y $2 ]
 
@@ -133,7 +124,7 @@ BRK
     .timer LDZ INC #06 MOD DUP
     .timer STZ
     #00 NEQ ,&done JCN
-(    .tint LDZ #09 EOR .tint STZ  ( enables flashing )
+(    .tint LDZ #09 EOR .tint STZ  ( enables flashing ) )
     .regenerate LDZ #00 EQU ,&paint JCN
 
     ( if regenerate was true, then create a new maze )
@@ -212,7 +203,7 @@ RTN
     &yloop
     DUP2 #0000 CELL #02 XSTORE ( set row 0 )
     DUP2 COLS DEC2 CELL #02 XSTORE ( set row cols-1 )
-    INC2 DUP2 ROWS LTH2 ,&yloop JCN )
+    INC2 DUP2 ROWS LTH2 ,&yloop JCN
     POP2
 
     #0000