diff --git a/examples/benchmarks.results.text b/examples/benchmarks.results.text
index 23da7c0..5c67cd9 100644
--- a/examples/benchmarks.results.text
+++ b/examples/benchmarks.results.text
@@ -68,27 +68,5 @@ Running benchmarks.prog
                           exp() 10K 00:00:32
                           cos() 10K 00:00:06
 
-
-Arty-A7-35T
-76.92MHz, 64KB SRAM, 256MB DRAM, 16B instruction cache
-running in DRAM (except corelib, stdlib, runtime)
-
 Running benchmarks.prog
-                     empty loop 10M 00:00:16
-                 write variable 10M 00:00:17
-                  read variable 10M 00:00:19
-               integer addition 10M 00:00:24
-                   real addition 1M 00:00:30
-          integer multiplication 1M 00:01:14
-             real multiplication 1M 00:01:05
-                integer division 1M 00:01:53
-                   real division 1M 00:01:13
-                 string indexing 1M 00:00:41
-                string iteration 1M 00:00:21
-                  new/dispose 1k 1M 00:00:25
-                new/dispose 128k 1M 00:00:26
-                  array copy 1k 10K 00:00:03
-                 array copy 128k 1K 00:00:48
-                          exp() 10K 00:00:32
-                          cos() 10K 00:00:06
 
diff --git a/pcomp/emit.pas b/pcomp/emit.pas
index a201714..2ede4f0 100644
--- a/pcomp/emit.pas
+++ b/pcomp/emit.pas
@@ -111,7 +111,7 @@ begin
 	emitIns2('BRANCH','@+2');	(* NOP, to make alignment explicit *)
 	emitIns('.CPOOL');			(* header/prologue + 2 constants is 32 bytes *)
 
-	if useStdlib and not useStandalone then
+	if useStdlib then
 	begin
 		writeln(outfile, '%include "stdlib.lsym"');
 		writeln(outfile, '%incbin "stdlib.lib"');
@@ -312,12 +312,7 @@ begin
 	emitArrayConsts;
 
 	if useStandalone then
-	begin
-		emitInclude('corelib.s');
-		emitInclude('runtime.s');
-		emitInclude('float32.s');
-		emitInclude('stdlib.s');
-	end
+		emitInclude('corelib.s')
 	else
 		emitInclude('coreloader.lsym');
 
@@ -1064,7 +1059,6 @@ end;
    *)
 procedure emitProcedureCall(aProc: ProcRef);
 var procLabel: IdentString;
-	i:integer;
 begin
 	(* pass pointer to stackframe of caller for nested procedures *)
 	if aProc^.isNested then
@@ -1075,17 +1069,9 @@ begin
 		if aProc^.level > curProcedure^.level then
 			emitIns2('LOADREG','FP')
 		else
-		begin
-			(*  Calling nested aProc with a lower nesting level.
-				Need to chase a chain of old BP pointers. *)
-			emitIns2('LOADREG', 'BP');
-			(*	BP points to the stackframe of the outer procedure,
-				@BP contains the stackframe of the procedure one step further
-					outwards, and so on.
-			*)
-			for i := aProc^.level + 1 to curProcedure^.level do
-				emitIns('LOADI');
-		end;
+			(* TODO: calling nested aProc with a lower nesting level.
+				need to chase a chain of old BP pointers. *)
+			errorExit2('internal error: outward call of nested aProc not implemented', '');
 	end;
 
 	emitFpAdjust(-curProcedure^.tempsSize);
@@ -1264,7 +1250,7 @@ begin
 		(* nothing to do *)
 	end
 	else
-	if (amount > 0) and (amount <= MaxTinyOffset) then
+	if amount <= MaxTinyOffset then
 		emitIns2Int('INC', amount)
 	else
 	begin
@@ -1280,7 +1266,7 @@ begin
 		(* nothing to do *)
 	end
 	else
-	if (amount > 0) and (amount <= MaxTinyOffset) then
+	if amount <= MaxTinyOffset then
 		emitIns2Int('DEC', amount)
 	else
 	begin
diff --git a/pcomp/pcomp.pas b/pcomp/pcomp.pas
index d7be8a5..0eca89d 100644
--- a/pcomp/pcomp.pas
+++ b/pcomp/pcomp.pas
@@ -2186,7 +2186,7 @@ begin
 	if ch = '!' then
 	(* special comment till end of line *)
 	begin
-		while not (nextChar in [#13, #10]) do (* nothing *);
+		while not (nextChar = #13) do (* nothing *);
 		readNextToken;
 	end
 	else
@@ -2456,7 +2456,10 @@ begin
 	begin
 		digits := curToken.tokenText;
 		if matchTokenOrNot(MinusToken) then
+		begin
+			readNextToken;
 			digits := digits + curToken.tokenText;
+		end;
 		parseInteger := integerFromString(digits);
 	end;
 	readNextToken;
@@ -2809,8 +2812,6 @@ begin
 
 		if checkToken(CommaToken) then
 		begin
-			(* TODO: handle comma syntax for indexing a char
-				from an array of strings *)
 			if elType.baseType <> ArrayType then
 				errorExit2('invalid array subscript for', name)
 		end;
@@ -3230,22 +3231,10 @@ begin
 	readNextToken;
 end;
 
-(* Handle an array range part. Very similar to parseInteger
-   but additionally handles Boolean, Enum and Char types which
-   can be used for array indices *)
 procedure getRangePart(var value:integer; var typeReturn: TypeSpec);
 var cnst: ConstRef;
-    negate:boolean;
-	digits: string[12];
 begin
 	setBaseType(typeReturn, NoType);
-	negate := false;
-
-	if checkToken(MinusToken) then
-	begin
-		negate := true;
-		readNextToken;
-	end;
 
 	if checkToken(IdentToken) then
 	begin
@@ -3279,11 +3268,7 @@ begin
 	else
 	begin
 		setBaseType(typeReturn, IntegerType);
-		digits := curToken.tokenText;
-		if negate then
-			insert('-', digits, 1);
-		value := integerFromString(digits);
-		readNextToken;
+		value := parseInteger;
 	end;
 end;
 
@@ -3448,9 +3433,9 @@ begin
 				if savedType.baseType = NoType then
 					savedType := elementType;
 				emitLoadConstantInt(cnst^.intValue);
-				readNextToken;
 			end;
 			emitAddToSet;
+			readNextToken;
 		end
 		else if checkToken(NumberToken) then
 		begin
@@ -4014,8 +3999,6 @@ begin
 		begin
 			readNextToken;
 			length := parseInteger;
-			if length < 1 then
-				errorExit2('invalid string length', '');
 			matchToken(RBracketToken);
 		end;
 		typSpec.size := getStringMemSize(length);