diff --git a/src/main/java/dk/camelot64/kickc/model/operators/OperatorMinus.java b/src/main/java/dk/camelot64/kickc/model/operators/OperatorMinus.java
index 3053607cd..3f018c9d5 100644
--- a/src/main/java/dk/camelot64/kickc/model/operators/OperatorMinus.java
+++ b/src/main/java/dk/camelot64/kickc/model/operators/OperatorMinus.java
@@ -5,6 +5,7 @@ import dk.camelot64.kickc.model.types.SymbolType;
 import dk.camelot64.kickc.model.types.SymbolTypeInteger;
 import dk.camelot64.kickc.model.types.SymbolTypePointer;
 import dk.camelot64.kickc.model.types.SymbolTypeSimple;
+import dk.camelot64.kickc.model.values.ConstantChar;
 import dk.camelot64.kickc.model.values.ConstantInteger;
 import dk.camelot64.kickc.model.values.ConstantLiteral;
 import dk.camelot64.kickc.model.values.ConstantPointer;
@@ -24,6 +25,8 @@ public class OperatorMinus extends OperatorBinary {
       } else if(left instanceof ConstantPointer && right instanceof ConstantInteger) {
          long location = ((ConstantPointer) left).getLocation() - ((ConstantInteger) right).getInteger();
          return new ConstantPointer(location, ((ConstantPointer) left).getElementType());
+      } else if(left instanceof ConstantChar && right instanceof ConstantInteger) {
+         return new ConstantInteger(((ConstantChar) left).getChar() - ((ConstantInteger) right).getInteger());
       }
       throw new CompileError("Calculation not implemented " + left + " " + getOperator() + " " + right);
    }
diff --git a/src/test/java/dk/camelot64/kickc/test/TestPrograms.java b/src/test/java/dk/camelot64/kickc/test/TestPrograms.java
index c68af5ba0..e89ac0f61 100644
--- a/src/test/java/dk/camelot64/kickc/test/TestPrograms.java
+++ b/src/test/java/dk/camelot64/kickc/test/TestPrograms.java
@@ -32,6 +32,16 @@ public class TestPrograms {
    public TestPrograms() {
    }
 
+   @Test
+   public void testLiteralCharMinusNumber() throws IOException, URISyntaxException {
+      compileAndCompare("literal-char-minus-number");
+   }
+
+   //@Test
+   //public void testPaulNelsenSandboxTernaryError() throws IOException, URISyntaxException {
+   //   compileAndCompare("sandbox-ternary-error", log().verboseParse().verboseCreateSsa().setVerboseSSAOptimize().verboseStatementSequence());
+   //}
+
    @Test
    public void testPaulNelsenSandbox() throws IOException, URISyntaxException {
       compileAndCompare("sandbox");
diff --git a/src/test/kc/literal-char-minus-number.kc b/src/test/kc/literal-char-minus-number.kc
new file mode 100644
index 000000000..f3fcccc34
--- /dev/null
+++ b/src/test/kc/literal-char-minus-number.kc
@@ -0,0 +1,6 @@
+// Tests subtracting a number from a literal char
+
+void main() {
+    const byte* SCREEN = 0x0400;
+    *SCREEN = 'a' - 1;
+}
\ No newline at end of file
diff --git a/src/test/kc/sandbox-ternary-error.kc b/src/test/kc/sandbox-ternary-error.kc
new file mode 100644
index 000000000..6937ececb
--- /dev/null
+++ b/src/test/kc/sandbox-ternary-error.kc
@@ -0,0 +1,13 @@
+// Demonstrates error with nested ternary operator
+
+void main(void) {
+    const byte* SCREEN = 0x0400;
+    for ( byte b: 0..2 ) {
+    	    *SCREEN = (b == 0) ? 'a' : ((b == 1) ? 'b' : 'c'); 
+    }
+}
+
+
+
+
+
diff --git a/src/test/kc/sandbox.kc b/src/test/kc/sandbox.kc
index 90f839738..14c8800b0 100644
--- a/src/test/kc/sandbox.kc
+++ b/src/test/kc/sandbox.kc
@@ -1,11 +1,11 @@
 import "division"
 
-const byte * zp1 = 0x61; // #define zp1 *(byte *)0x61 -- allows "zp1" vs "*zp1" below -- not supported --
+const byte * zp1 = 0x61; // #define zp1 *(byte *)0x61 -- allows "zp1" vs "*zp1" below -- not supported --  https://gitlab.com/camelot/kickc/issues/169
 const byte * zp2 = 0x62;
 const byte * TIMEHI = 0xA1;
 const byte * TIMELO = 0xA2;
 const byte * VICBANK = 0xD018;
-byte[16] buf16; // "char buf16[16]" is the normal way -- not supported
+byte[16] buf16; // "char buf16[16]" is the normal way -- not supported -- https://gitlab.com/camelot/kickc/issues/162
 byte[100] strTemp;
 
 // simple 'utoa' without using multiply or divide
@@ -33,21 +33,22 @@ byte myprintf(byte *dst, byte *str, word w1, word w2, word w3) {
 
 	for (; *str != 0; ++str) { 
         b = *str; 
-		if (bFormat != 0) { // "(bFormat)" is the normal way -- not supported
+		if (bFormat != 0) { // "(bFormat)" is the normal way -- not supported -- https://gitlab.com/camelot/kickc/issues/135
 			if (b == '0') { bLeadZero = 1; continue; }
 			if (b >= '1' && b <= '9') { bDigits = b - '0'; continue; }
 			if (b == '-') { bTrailing = 1; continue; }
-			if (b == 'c'){ // "switch" is the normal way -- not supported 
+			if (b == 'c'){ // "switch" is the normal way -- not supported -- https://gitlab.com/camelot/kickc/issues/170
 				dst[bLen++] = (byte)w;
 			} else if (b == 'd') { 
 				utoa(w, buf6);
-				b = 1; while(buf6[b] != 0) ++b; // strlen() not supported
-                // if (bDigits > b) is used because non-executing for loop is not supported
+				b = 1; while(buf6[b] != 0) ++b; // strlen() not supported -- https://gitlab.com/camelot/kickc/issues/182
+                // if (bDigits > b) is used because non-executing for loop is not supported -- https://gitlab.com/camelot/kickc/issues/183
 				if (bTrailing == 0 && bDigits > b) for (; bDigits > b; --bDigits) dst[bLen++] = (bLeadZero == 0) ? ' ' : '0';
 				for (digit = 0; digit < b; ++digit) dst[bLen++] = buf6[digit];
 				if (bTrailing != 0 && bDigits > b) for (; bDigits > b; --bDigits) dst[bLen++] = ' '; 
             } else if (b == 'x' || b == 'X'){ // hex
-				b = (w >> 4) & 0xF; dst[bLen++] = (b < 10 ? '0' : 0x57) + b; // "('a' - 10)" is the normal way -- not supported
+				b = (w >> 4) & 0xF;
+				dst[bLen++] = (b < 10 ? '0' : 0x57) + b; // "('a' - 10)" is the normal way -- not supported  -- https://gitlab.com/camelot/kickc/issues/184
 				b = w & 0xF; dst[bLen++] = (b < 10 ? '0' : 0x57) + b;
 			}
             bFormat = 0;
@@ -56,7 +57,7 @@ byte myprintf(byte *dst, byte *str, word w1, word w2, word w3) {
 		if (b == '%') {
 			bFormat = 1;
 			bLeadZero = 0; bDigits = 1; bTrailing = 0; // default format
-			//w = (bArg == 0) ? w1 : ((bArg == 1) ? w2 : w3); -- "?" is the normal way, but error "sequence does not contain all blocks"
+			//w = (bArg == 0) ? w1 : ((bArg == 1) ? w2 : w3); -- "?" is the normal way, but error "sequence does not contain all blocks" -- https://gitlab.com/camelot/kickc/issues/185
             if (bArg == 0) w = w1;
             else if (bArg == 1) w = w2;
             else w = w3; 
diff --git a/src/test/ref/sandbox.asm b/src/test/ref/sandbox.asm
index a8836c169..3b8c30fa4 100644
--- a/src/test/ref/sandbox.asm
+++ b/src/test/ref/sandbox.asm
@@ -2,7 +2,7 @@
 :BasicUpstart(main)
 .pc = $80d "Program"
   .label zp1 = $61
-  // #define zp1 *(byte *)0x61 -- allows "zp1" vs "*zp1" below -- not supported --
+  // #define zp1 *(byte *)0x61 -- allows "zp1" vs "*zp1" below -- not supported --  https://gitlab.com/camelot/kickc/issues/169
   .label zp2 = $62
   .label TIMEHI = $a1
   .label TIMELO = $a2
@@ -342,7 +342,7 @@ myprintf: {
     jmp b12
   b6:
     lda w
-    // "switch" is the normal way -- not supported 
+    // "switch" is the normal way -- not supported -- https://gitlab.com/camelot/kickc/issues/170
     ldy bLen
     sta strTemp,y
     inc bLen
@@ -361,7 +361,7 @@ myprintf: {
     cpx #'%'
     bne b28
     // default format
-    //w = (bArg == 0) ? w1 : ((bArg == 1) ? w2 : w3); -- "?" is the normal way, but error "sequence does not contain all blocks"
+    //w = (bArg == 0) ? w1 : ((bArg == 1) ? w2 : w3); -- "?" is the normal way, but error "sequence does not contain all blocks" -- https://gitlab.com/camelot/kickc/issues/185
     lda bArg
     cmp #0
     beq b42
@@ -722,5 +722,5 @@ divr16u: {
     bne b1
     rts
 }
-  // "char buf16[16]" is the normal way -- not supported
+  // "char buf16[16]" is the normal way -- not supported -- https://gitlab.com/camelot/kickc/issues/162
   strTemp: .fill $64, 0
diff --git a/src/test/ref/sandbox.log b/src/test/ref/sandbox.log
index 78165ea55..7ff508c4e 100644
--- a/src/test/ref/sandbox.log
+++ b/src/test/ref/sandbox.log
@@ -3876,7 +3876,7 @@ INITIAL ASM
 .pc = $80d "Program"
 //SEG2 Global Constants & labels
   .label zp1 = $61
-  // #define zp1 *(byte *)0x61 -- allows "zp1" vs "*zp1" below -- not supported --
+  // #define zp1 *(byte *)0x61 -- allows "zp1" vs "*zp1" below -- not supported --  https://gitlab.com/camelot/kickc/issues/169
   .label zp2 = $62
   .label TIMEHI = $a1
   .label TIMELO = $a2
@@ -4671,7 +4671,7 @@ myprintf: {
     lda w
     sta _47
   //SEG251 [115] *((const byte[$64]) strTemp#0 + (byte) myprintf::bLen#14) ← (byte~) myprintf::$47 -- pbuc1_derefidx_vbuz1=vbuz2 
-    // "switch" is the normal way -- not supported 
+    // "switch" is the normal way -- not supported -- https://gitlab.com/camelot/kickc/issues/170
     lda _47
     ldy bLen
     sta strTemp,y
@@ -4713,7 +4713,7 @@ myprintf: {
   b32:
   //SEG268 [120] if((byte) myprintf::bArg#12==(byte/signed byte/word/signed word/dword/signed dword) 0) goto myprintf::@42 -- vbuz1_eq_0_then_la1 
     // default format
-    //w = (bArg == 0) ? w1 : ((bArg == 1) ? w2 : w3); -- "?" is the normal way, but error "sequence does not contain all blocks"
+    //w = (bArg == 0) ? w1 : ((bArg == 1) ? w2 : w3); -- "?" is the normal way, but error "sequence does not contain all blocks" -- https://gitlab.com/camelot/kickc/issues/185
     lda bArg
     cmp #0
     beq b42
@@ -5463,7 +5463,7 @@ divr16u: {
   //SEG464 [212] return 
     rts
 }
-  // "char buf16[16]" is the normal way -- not supported
+  // "char buf16[16]" is the normal way -- not supported -- https://gitlab.com/camelot/kickc/issues/162
   strTemp: .fill $64, 0
 
 REGISTER UPLIFT POTENTIAL REGISTERS
@@ -5857,7 +5857,7 @@ ASSEMBLER BEFORE OPTIMIZATION
 .pc = $80d "Program"
 //SEG2 Global Constants & labels
   .label zp1 = $61
-  // #define zp1 *(byte *)0x61 -- allows "zp1" vs "*zp1" below -- not supported --
+  // #define zp1 *(byte *)0x61 -- allows "zp1" vs "*zp1" below -- not supported --  https://gitlab.com/camelot/kickc/issues/169
   .label zp2 = $62
   .label TIMEHI = $a1
   .label TIMELO = $a2
@@ -6561,7 +6561,7 @@ myprintf: {
   //SEG250 [114] (byte~) myprintf::$47 ← ((byte)) (word) myprintf::w#10 -- vbuaa=_byte_vwuz1 
     lda w
   //SEG251 [115] *((const byte[$64]) strTemp#0 + (byte) myprintf::bLen#14) ← (byte~) myprintf::$47 -- pbuc1_derefidx_vbuz1=vbuaa 
-    // "switch" is the normal way -- not supported 
+    // "switch" is the normal way -- not supported -- https://gitlab.com/camelot/kickc/issues/170
     ldy bLen
     sta strTemp,y
   //SEG252 [116] (byte) myprintf::bLen#1 ← ++ (byte) myprintf::bLen#14 -- vbuz1=_inc_vbuz1 
@@ -6601,7 +6601,7 @@ myprintf: {
   b32:
   //SEG268 [120] if((byte) myprintf::bArg#12==(byte/signed byte/word/signed word/dword/signed dword) 0) goto myprintf::@42 -- vbuz1_eq_0_then_la1 
     // default format
-    //w = (bArg == 0) ? w1 : ((bArg == 1) ? w2 : w3); -- "?" is the normal way, but error "sequence does not contain all blocks"
+    //w = (bArg == 0) ? w1 : ((bArg == 1) ? w2 : w3); -- "?" is the normal way, but error "sequence does not contain all blocks" -- https://gitlab.com/camelot/kickc/issues/185
     lda bArg
     cmp #0
     beq b42
@@ -7235,7 +7235,7 @@ divr16u: {
   //SEG464 [212] return 
     rts
 }
-  // "char buf16[16]" is the normal way -- not supported
+  // "char buf16[16]" is the normal way -- not supported -- https://gitlab.com/camelot/kickc/issues/162
   strTemp: .fill $64, 0
 
 ASSEMBLER OPTIMIZATIONS
@@ -7838,7 +7838,7 @@ Score: 355871
 .pc = $80d "Program"
 //SEG2 Global Constants & labels
   .label zp1 = $61
-  // #define zp1 *(byte *)0x61 -- allows "zp1" vs "*zp1" below -- not supported --
+  // #define zp1 *(byte *)0x61 -- allows "zp1" vs "*zp1" below -- not supported --  https://gitlab.com/camelot/kickc/issues/169
   .label zp2 = $62
   .label TIMEHI = $a1
   .label TIMELO = $a2
@@ -8427,7 +8427,7 @@ myprintf: {
   //SEG250 [114] (byte~) myprintf::$47 ← ((byte)) (word) myprintf::w#10 -- vbuaa=_byte_vwuz1 
     lda w
   //SEG251 [115] *((const byte[$64]) strTemp#0 + (byte) myprintf::bLen#14) ← (byte~) myprintf::$47 -- pbuc1_derefidx_vbuz1=vbuaa 
-    // "switch" is the normal way -- not supported 
+    // "switch" is the normal way -- not supported -- https://gitlab.com/camelot/kickc/issues/170
     ldy bLen
     sta strTemp,y
   //SEG252 [116] (byte) myprintf::bLen#1 ← ++ (byte) myprintf::bLen#14 -- vbuz1=_inc_vbuz1 
@@ -8463,7 +8463,7 @@ myprintf: {
   //SEG267 myprintf::@32
   //SEG268 [120] if((byte) myprintf::bArg#12==(byte/signed byte/word/signed word/dword/signed dword) 0) goto myprintf::@42 -- vbuz1_eq_0_then_la1 
     // default format
-    //w = (bArg == 0) ? w1 : ((bArg == 1) ? w2 : w3); -- "?" is the normal way, but error "sequence does not contain all blocks"
+    //w = (bArg == 0) ? w1 : ((bArg == 1) ? w2 : w3); -- "?" is the normal way, but error "sequence does not contain all blocks" -- https://gitlab.com/camelot/kickc/issues/185
     lda bArg
     cmp #0
     beq b42
@@ -9020,6 +9020,6 @@ divr16u: {
   //SEG464 [212] return 
     rts
 }
-  // "char buf16[16]" is the normal way -- not supported
+  // "char buf16[16]" is the normal way -- not supported -- https://gitlab.com/camelot/kickc/issues/162
   strTemp: .fill $64, 0