diff --git a/src/main/fragment/vwuz1=pwuz2_derefidx_vbuyy_plus_1.asm b/src/main/fragment/vwuz1=pwuz2_derefidx_vbuyy_plus_1.asm
new file mode 100644
index 000000000..0e5f12bd5
--- /dev/null
+++ b/src/main/fragment/vwuz1=pwuz2_derefidx_vbuyy_plus_1.asm
@@ -0,0 +1,9 @@
+lda ({z2}),y
+clc
+adc #1
+sta {z1}
+iny
+lda ({z2}),y
+adc #0
+sta {z1}+1
+
diff --git a/src/main/fragment/vwuz1_gt_pwuz2_derefidx_vbuyy_then_la1.asm b/src/main/fragment/vwuz1_gt_pwuz2_derefidx_vbuyy_then_la1.asm
new file mode 100644
index 000000000..9901cff8a
--- /dev/null
+++ b/src/main/fragment/vwuz1_gt_pwuz2_derefidx_vbuyy_then_la1.asm
@@ -0,0 +1,10 @@
+iny
+lda ({z2}),y
+cmp {z1}+1
+bcc {la1}
+bne !+
+dey
+lda ({z2}),y
+cmp {z1}
+bcc {la1}
+!:
diff --git a/src/main/fragment/vwuz1_lt__deref_pwuz2_then_la1.asm b/src/main/fragment/vwuz1_lt__deref_pwuz2_then_la1.asm
new file mode 100644
index 000000000..e4dd0f789
--- /dev/null
+++ b/src/main/fragment/vwuz1_lt__deref_pwuz2_then_la1.asm
@@ -0,0 +1,10 @@
+ldy #1
+lda {z1}+1
+cmp ({z2}),y
+bcc {la1}
+bne !+
+dey
+lda {z1}
+cmp ({z2}),y
+bcc {la1}
+!:
diff --git a/src/test/java/dk/camelot64/kickc/test/TestKickAssRun.java b/src/test/java/dk/camelot64/kickc/test/TestKickAssRun.java
index c4a6a2a99..237fe0a86 100644
--- a/src/test/java/dk/camelot64/kickc/test/TestKickAssRun.java
+++ b/src/test/java/dk/camelot64/kickc/test/TestKickAssRun.java
@@ -44,5 +44,51 @@ public class TestKickAssRun {
       return new File(tmpDir.toFile(), kcPath.getFileName().toString() + extension);
    }
 
+   @Test
+   public void testPetsciiEscapeSequences() {
+
+      printPetscii("petscii_mixed", '\b', "\\b");
+      printPetscii("petscii_mixed", '\f', "\\f");
+      printPetscii("petscii_mixed", '\n', "\\n");
+      printPetscii("petscii_mixed", '\r', "\\r");
+      printPetscii("petscii_mixed", '\t', "\\t");
+      printPetscii("petscii_mixed", '\\', "\\\\");
+      printPetscii("petscii_mixed", '\'', "\\'");
+      printPetscii("petscii_mixed", '\"', "\\\"");
+
+      printPetscii("petscii_upper", '\b', "\\b");
+      printPetscii("petscii_upper", '\f', "\\f");
+      printPetscii("petscii_upper", '\n', "\\n");
+      printPetscii("petscii_upper", '\r', "\\r");
+      printPetscii("petscii_upper", '\t', "\\t");
+      printPetscii("petscii_upper", '\\', "\\\\");
+      printPetscii("petscii_upper", '\'', "\\'");
+      printPetscii("petscii_upper", '\"', "\\\"");
+
+      printPetscii("screencode_mixed", '\b', "\\b");
+      printPetscii("screencode_mixed", '\f', "\\f");
+      printPetscii("screencode_mixed", '\n', "\\n");
+      printPetscii("screencode_mixed", '\r', "\\r");
+      printPetscii("screencode_mixed", '\t', "\\t");
+      printPetscii("screencode_mixed", '\\', "\\\\");
+      printPetscii("screencode_mixed", '\'', "\\'");
+      printPetscii("screencode_mixed", '\"', "\\\"");
+
+      printPetscii("screencode_upper", '\b', "\\b");
+      printPetscii("screencode_upper", '\f', "\\f");
+      printPetscii("screencode_upper", '\n', "\\n");
+      printPetscii("screencode_upper", '\r', "\\r");
+      printPetscii("screencode_upper", '\t', "\\t");
+      printPetscii("screencode_upper", '\\', "\\\\");
+      printPetscii("screencode_upper", '\'', "\\'");
+      printPetscii("screencode_upper", '\"', "\\\"");
+   }
+
+   private void printPetscii(String encoding, char ch, String sCh) {
+      CharToPetsciiConverter.setCurrentEncoding(encoding);
+      Byte petscii = CharToPetsciiConverter.convert(ch);
+      System.out.println(encoding+": "+sCh+" > "+(petscii==null?"null":(int)petscii));
+   }
+
 
 }