diff --git a/.idea/libraries/antlr_4_8_complete.xml b/.idea/libraries/antlr_4_8_complete.xml
new file mode 100644
index 000000000..839920784
--- /dev/null
+++ b/.idea/libraries/antlr_4_8_complete.xml
@@ -0,0 +1,9 @@
+<component name="libraryTable">
+  <library name="antlr-4.8-complete">
+    <CLASSES>
+      <root url="jar://$PROJECT_DIR$/parser/antlr/lib/antlr-4.8-complete.jar!/" />
+    </CLASSES>
+    <JAVADOC />
+    <SOURCES />
+  </library>
+</component>
\ No newline at end of file
diff --git a/.idea/libraries/antlr_runtime_4_8.xml b/.idea/libraries/antlr_runtime_4_8.xml
new file mode 100644
index 000000000..702529a49
--- /dev/null
+++ b/.idea/libraries/antlr_runtime_4_8.xml
@@ -0,0 +1,9 @@
+<component name="libraryTable">
+  <library name="antlr-runtime-4.8">
+    <CLASSES>
+      <root url="jar://$PROJECT_DIR$/parser/antlr/lib/antlr-runtime-4.8.jar!/" />
+    </CLASSES>
+    <JAVADOC />
+    <SOURCES />
+  </library>
+</component>
\ No newline at end of file
diff --git a/compiler/build.gradle b/compiler/build.gradle
index aac2adae3..f6de8fb26 100644
--- a/compiler/build.gradle
+++ b/compiler/build.gradle
@@ -8,7 +8,7 @@ plugins {
     // id "org.jetbrains.kotlin.jvm" version "1.3.61"
     id 'application'
     id 'org.jetbrains.dokka' version "0.9.18"
-    id 'com.github.johnrengelman.shadow' version '5.1.0'
+    id 'com.github.johnrengelman.shadow' version '5.2.0'
     id 'java'
 }
 
@@ -31,7 +31,7 @@ dependencies {
     implementation project(':parser')
     implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk8"
     // implementation "org.jetbrains.kotlin:kotlin-reflect"
-    implementation 'org.antlr:antlr4-runtime:4.7.2'
+    implementation 'org.antlr:antlr4-runtime:4.8'
     implementation 'org.jetbrains.kotlinx:kotlinx-cli-jvm:0.1.0-dev-5'
     // implementation 'net.razorvine:ksim65:1.6'
     implementation project(':parser')
diff --git a/compiler/compiler.iml b/compiler/compiler.iml
index 10103c91c..bf8bf45c1 100644
--- a/compiler/compiler.iml
+++ b/compiler/compiler.iml
@@ -11,9 +11,9 @@
     <orderEntry type="jdk" jdkName="openjdk-11" jdkType="JavaSDK" />
     <orderEntry type="sourceFolder" forTests="false" />
     <orderEntry type="library" name="KotlinJavaRuntime" level="project" />
-    <orderEntry type="library" name="antlr-runtime-4.7.2" level="project" />
     <orderEntry type="module" module-name="parser" />
     <orderEntry type="library" name="unittest-libs" level="project" />
     <orderEntry type="library" name="kotlinx-cli-jvm-0.1.0-dev-5" level="project" />
+    <orderEntry type="library" name="antlr-runtime-4.8" level="project" />
   </component>
 </module>
\ No newline at end of file
diff --git a/examples/screencodes.p8 b/examples/screencodes.p8
index da9aa5173..b4e12bcec 100644
--- a/examples/screencodes.p8
+++ b/examples/screencodes.p8
@@ -10,7 +10,7 @@ main {
         c64.VMCSB |= 2  ; switch to lowercase charset
 
         str s1 = "HELLO hello 1234 @[/]\n"
-        str s2 = "HELLO hello 1234 @[/]\n"   ; TODO as c64scr
+        str s2 = "HELLO hello 1234 @[/]\n" as c64sc
 
         c64scr.print("\n\n\n\nString output via print:\n")
         c64scr.print(s1)
diff --git a/parser/antlr/lib/antlr-4.7.2-complete.jar b/parser/antlr/lib/antlr-4.8-complete.jar
similarity index 74%
rename from parser/antlr/lib/antlr-4.7.2-complete.jar
rename to parser/antlr/lib/antlr-4.8-complete.jar
index 9794f19b2..89a0640e2 100644
Binary files a/parser/antlr/lib/antlr-4.7.2-complete.jar and b/parser/antlr/lib/antlr-4.8-complete.jar differ
diff --git a/parser/antlr/lib/antlr-runtime-4.7.2.jar b/parser/antlr/lib/antlr-runtime-4.8.jar
similarity index 86%
rename from parser/antlr/lib/antlr-runtime-4.7.2.jar
rename to parser/antlr/lib/antlr-runtime-4.8.jar
index 7a27e1b20..c75f90f0c 100644
Binary files a/parser/antlr/lib/antlr-runtime-4.7.2.jar and b/parser/antlr/lib/antlr-runtime-4.8.jar differ
diff --git a/parser/build.gradle b/parser/build.gradle
index ce9b71094..06759b3c7 100644
--- a/parser/build.gradle
+++ b/parser/build.gradle
@@ -20,10 +20,10 @@ configurations {
 }
 
 dependencies {
-    antlr 'org.antlr:antlr4:4.7.2'
-    implementation 'org.antlr:antlr4-runtime:4.7.2'
+    antlr 'org.antlr:antlr4:4.8'
+    implementation 'org.antlr:antlr4-runtime:4.8'
 
-//    antlr('org.antlr:antlr4:4.7.2') {
+//    antlr('org.antlr:antlr4:4.8') {
 //        exclude group: 'com.ibm.icu', module: 'icu4j'
 //    }
 }
diff --git a/parser/parser.iml b/parser/parser.iml
index 2896f4626..cd8426fc9 100644
--- a/parser/parser.iml
+++ b/parser/parser.iml
@@ -8,6 +8,6 @@
     </content>
     <orderEntry type="jdk" jdkName="openjdk-11" jdkType="JavaSDK" />
     <orderEntry type="sourceFolder" forTests="false" />
-    <orderEntry type="library" name="antlr-4.7.2-complete" level="project" />
+    <orderEntry type="library" name="antlr-4.8-complete" level="project" />
   </component>
 </module>
\ No newline at end of file
diff --git a/parser/src/prog8/parser/prog8Lexer.java b/parser/src/prog8/parser/prog8Lexer.java
index a349fdf53..eafe59435 100644
--- a/parser/src/prog8/parser/prog8Lexer.java
+++ b/parser/src/prog8/parser/prog8Lexer.java
@@ -1,4 +1,4 @@
-// Generated from prog8.g4 by ANTLR 4.7.2
+// Generated from prog8.g4 by ANTLR 4.8
 
 package prog8.parser;
 
@@ -13,7 +13,7 @@ import org.antlr.v4.runtime.misc.*;
 
 @SuppressWarnings({"all", "warnings", "unchecked", "unused", "cast"})
 public class prog8Lexer extends Lexer {
-	static { RuntimeMetaData.checkVersion("4.7.2", RuntimeMetaData.VERSION); }
+	static { RuntimeMetaData.checkVersion("4.8", RuntimeMetaData.VERSION); }
 
 	protected static final DFA[] _decisionToDFA;
 	protected static final PredictionContextCache _sharedContextCache =
diff --git a/parser/src/prog8/parser/prog8Parser.java b/parser/src/prog8/parser/prog8Parser.java
index f19a18834..8e05a6b48 100644
--- a/parser/src/prog8/parser/prog8Parser.java
+++ b/parser/src/prog8/parser/prog8Parser.java
@@ -1,4 +1,4 @@
-// Generated from prog8.g4 by ANTLR 4.7.2
+// Generated from prog8.g4 by ANTLR 4.8
 
 package prog8.parser;
 
@@ -13,7 +13,7 @@ import java.util.ArrayList;
 
 @SuppressWarnings({"all", "warnings", "unchecked", "unused", "cast"})
 public class prog8Parser extends Parser {
-	static { RuntimeMetaData.checkVersion("4.7.2", RuntimeMetaData.VERSION); }
+	static { RuntimeMetaData.checkVersion("4.8", RuntimeMetaData.VERSION); }
 
 	protected static final DFA[] _decisionToDFA;
 	protected static final PredictionContextCache _sharedContextCache =