diff --git a/ntvl.pl b/ntvl.pl
index f7882c6..cbec84e 100644
--- a/ntvl.pl
+++ b/ntvl.pl
@@ -18,21 +18,57 @@ my $SACRIFICE = 0b00001000;
 # my $SPELL     = 0b10000000;
 my $DRAW      = 0b01000000;
 
-sub mt1($$){
-    my ($s0, $tc) = (shift, shift);
+sub is_summon($){
+   return $_[0] =~ /\*/ ? $SUMMON : 0;
+}
 
-    return $SUMMON if $s0 =~ /\*/;
-    return $MOVE if $s0 =~ /([A-Za-z]{1,2}[0-9]{1,2}){2}/;
-    return $CAPTURE if $s0 =~ /\~/;
-    return $SACRIFICE if $s0 =~ /([A-Za-z]{1,2}[0-9]{1,2}' ?){2}/;
-	
-    return $DRAW if $tc <= 1;
+sub is_move($){
+    return $_[0] =~ /([A-Za-z]{1,2}[0-9]{1,2}){2}/ ? $MOVE : 0;
+}
+
+sub is_capture($){
+    return $_[0] =~ /\~/ ? $CAPTURE : 0;
+}
+
+sub is_sacrifice($){
+    return $_[0] =~ /([A-Za-z]{1,2}[0-9]{1,2}' ?){2}/ ? $SACRIFICE : 0;
+}
+
+sub is_draw($){
+    return $_[0]  <= 1 ? $DRAW : 0;
+}
+
+sub draw($$){
+    my ($s0, $apl) = (shift, shift);
+    die "invalid draw() syntax $s0" unless $s0 =~ /^([A-Za-z]{1,2} ){1,3}[A-Za-z]{1,2}$/;
+}
+
+sub mt2($$$){
+    my ($s0, $tc, $apl) = (shift, shift, shift);
+
+    # return $MOVE if $s0 =~ /([A-Za-z]{1,2}[0-9]{1,2}){2}/;
+    # return $CAPTURE if $s0 =~ /\~/;
+    # return $SACRIFICE if $s0 =~ /([A-Za-z]{1,2}[0-9]{1,2}' ?){2}/;
+    # return $DRAW if $tc <= 1;
+
+    draw($s0, $apl) if is_draw($tc)
+}
+
+sub mt1($$$){
+    my ($s0, $tc, $apl) = (shift, shift, shift);
+    return is_summon($s0) ||
+	is_move($s0) ||
+	is_capture($s0) ||
+	is_sacrifice($s0) ||
+	is_draw($tc);
 }
 
 sub f2($$$){
     my ($s0, $tc, $apl) = (shift, shift, shift);
-    my $mt0;
 
+    # All the special cirucmstances
+    # where a player moves twice are handled by spell cards
+    # so this logic will do for now
     return LPST->P2 if $apl eq LPST->P1;
     return LPST->P1;
 }
@@ -47,7 +83,8 @@ sub f1($){
     $tc = 0;
     
     for my $s0 (split(/\n/, $ns0)){
-	# $mt0 = mt1($s0, $tc);
+	mt2($s0, $tc, $apl);
+	
 	$apl = f2($s0, $tc, $apl);
 	# printf(">>%s\n", $s0);
 	$tc++;
@@ -58,7 +95,7 @@ my $ns0;
 
 $ns0 = "";
 $ns0 .= "A I It Au\n";
-$ns0 .= "H S Im Im\n";
+$ns0 .= "A S Im Rc\n";
 
 f1($ns0);
 
@@ -74,4 +111,4 @@ $b = LPST->new();
 # $board{$m2} = $P2.$DIV.$c2;
 
 # $b->shade_all_p1_mvmt();
-$b->disp_board();
+# $b->disp_board();