diff --git a/src/test/ref/struct-33.asm b/src/test/ref/struct-33.asm
new file mode 100644
index 000000000..fe47c3352
--- /dev/null
+++ b/src/test/ref/struct-33.asm
@@ -0,0 +1,19 @@
+// Minimal struct with C-Standard behavior - declaration, instantiation and usage
+.pc = $801 "Basic"
+:BasicUpstart(main)
+.pc = $80d "Program"
+  .label SCREEN = $400
+  .const OFFSET_STRUCT_POINT_Y = 1
+  .const SIZEOF_STRUCT_POINT = 2
+main: {
+    lda #2
+    sta point
+    lda #3
+    sta point+OFFSET_STRUCT_POINT_Y
+    lda point
+    sta SCREEN
+    lda point+OFFSET_STRUCT_POINT_Y
+    sta SCREEN+1
+    rts
+}
+  point: .fill SIZEOF_STRUCT_POINT, 0
diff --git a/src/test/ref/struct-33.cfg b/src/test/ref/struct-33.cfg
new file mode 100644
index 000000000..fcfc472fd
--- /dev/null
+++ b/src/test/ref/struct-33.cfg
@@ -0,0 +1,20 @@
+@begin: scope:[]  from
+  [0] phi()
+  to:@1
+@1: scope:[]  from @begin
+  [1] phi()
+  [2] call main 
+  to:@end
+@end: scope:[]  from @1
+  [3] phi()
+
+(void()) main()
+main: scope:[main]  from @1
+  [4] *((byte*)&(struct Point) point) ← (byte) 2
+  [5] *((byte*)&(struct Point) point+(const byte) OFFSET_STRUCT_POINT_Y) ← (byte) 3
+  [6] *((const byte*) SCREEN) ← *((byte*)&(struct Point) point)
+  [7] *((const byte*) SCREEN+(byte) 1) ← *((byte*)&(struct Point) point+(const byte) OFFSET_STRUCT_POINT_Y)
+  to:main::@return
+main::@return: scope:[main]  from main
+  [8] return 
+  to:@return
diff --git a/src/test/ref/struct-33.log b/src/test/ref/struct-33.log
new file mode 100644
index 000000000..77357670c
--- /dev/null
+++ b/src/test/ref/struct-33.log
@@ -0,0 +1,308 @@
+Replacing struct member reference (struct Point) point.x with member unwinding reference *((byte*)&(struct Point) point+(const byte) OFFSET_STRUCT_POINT_X)
+Replacing struct member reference (struct Point) point.y with member unwinding reference *((byte*)&(struct Point) point+(const byte) OFFSET_STRUCT_POINT_Y)
+Replacing struct member reference (struct Point) point.x with member unwinding reference *((byte*)&(struct Point) point+(const byte) OFFSET_STRUCT_POINT_X)
+Replacing struct member reference (struct Point) point.y with member unwinding reference *((byte*)&(struct Point) point+(const byte) OFFSET_STRUCT_POINT_Y)
+
+CONTROL FLOW GRAPH SSA
+@begin: scope:[]  from
+  to:@1
+
+(void()) main()
+main: scope:[main]  from @1
+  *((byte*)&(struct Point) point+(const byte) OFFSET_STRUCT_POINT_X) ← (number) 2
+  *((byte*)&(struct Point) point+(const byte) OFFSET_STRUCT_POINT_Y) ← (number) 3
+  *((const byte*) SCREEN + (number) 0) ← *((byte*)&(struct Point) point+(const byte) OFFSET_STRUCT_POINT_X)
+  *((const byte*) SCREEN + (number) 1) ← *((byte*)&(struct Point) point+(const byte) OFFSET_STRUCT_POINT_Y)
+  to:main::@return
+main::@return: scope:[main]  from main
+  return 
+  to:@return
+@1: scope:[]  from @begin
+  call main 
+  to:@2
+@2: scope:[]  from @1
+  to:@end
+@end: scope:[]  from @2
+
+SYMBOL TABLE SSA
+(label) @1
+(label) @2
+(label) @begin
+(label) @end
+(const byte) OFFSET_STRUCT_POINT_X = (byte) 0
+(const byte) OFFSET_STRUCT_POINT_Y = (byte) 1
+(byte) Point::x
+(byte) Point::y
+(const byte*) SCREEN = (byte*)(number) $400
+(void()) main()
+(label) main::@return
+(struct Point) point loadstore = {}
+
+Adding number conversion cast (unumber) 2 in *((byte*)&(struct Point) point+(const byte) OFFSET_STRUCT_POINT_X) ← (number) 2
+Adding number conversion cast (unumber) 3 in *((byte*)&(struct Point) point+(const byte) OFFSET_STRUCT_POINT_Y) ← (number) 3
+Adding number conversion cast (unumber) 0 in *((const byte*) SCREEN + (number) 0) ← *((byte*)&(struct Point) point+(const byte) OFFSET_STRUCT_POINT_X)
+Adding number conversion cast (unumber) 1 in *((const byte*) SCREEN + (number) 1) ← *((byte*)&(struct Point) point+(const byte) OFFSET_STRUCT_POINT_Y)
+Successful SSA optimization PassNAddNumberTypeConversions
+Inlining cast *((byte*)&(struct Point) point+(const byte) OFFSET_STRUCT_POINT_X) ← (unumber)(number) 2
+Inlining cast *((byte*)&(struct Point) point+(const byte) OFFSET_STRUCT_POINT_Y) ← (unumber)(number) 3
+Successful SSA optimization Pass2InlineCast
+Simplifying constant pointer cast (byte*) 1024
+Simplifying constant integer cast 2
+Simplifying constant integer cast 3
+Simplifying constant integer cast 0
+Simplifying constant integer cast 1
+Successful SSA optimization PassNCastSimplification
+Finalized unsigned number type (byte) 2
+Finalized unsigned number type (byte) 3
+Finalized unsigned number type (byte) 0
+Finalized unsigned number type (byte) 1
+Successful SSA optimization PassNFinalizeNumberTypeConversions
+Simplifying expression containing zero (byte*)&point in [0] *((byte*)&(struct Point) point+(const byte) OFFSET_STRUCT_POINT_X) ← (byte) 2
+Simplifying expression containing zero (byte*)&point in [2] *((const byte*) SCREEN + (byte) 0) ← *((byte*)&(struct Point) point+(const byte) OFFSET_STRUCT_POINT_X)
+Simplifying expression containing zero SCREEN in [2] *((const byte*) SCREEN + (byte) 0) ← *((byte*)&(struct Point) point)
+Successful SSA optimization PassNSimplifyExpressionWithZero
+Eliminating unused constant (const byte) OFFSET_STRUCT_POINT_X
+Successful SSA optimization PassNEliminateUnusedVars
+Consolidated array index constant in *(SCREEN+1)
+Successful SSA optimization Pass2ConstantAdditionElimination
+Adding NOP phi() at start of @begin
+Adding NOP phi() at start of @1
+Adding NOP phi() at start of @2
+Adding NOP phi() at start of @end
+CALL GRAPH
+Calls in [] to main:2 
+
+Created 0 initial phi equivalence classes
+Coalesced down to 0 phi equivalence classes
+Culled Empty Block (label) @2
+Adding NOP phi() at start of @begin
+Adding NOP phi() at start of @1
+Adding NOP phi() at start of @end
+
+FINAL CONTROL FLOW GRAPH
+@begin: scope:[]  from
+  [0] phi()
+  to:@1
+@1: scope:[]  from @begin
+  [1] phi()
+  [2] call main 
+  to:@end
+@end: scope:[]  from @1
+  [3] phi()
+
+(void()) main()
+main: scope:[main]  from @1
+  [4] *((byte*)&(struct Point) point) ← (byte) 2
+  [5] *((byte*)&(struct Point) point+(const byte) OFFSET_STRUCT_POINT_Y) ← (byte) 3
+  [6] *((const byte*) SCREEN) ← *((byte*)&(struct Point) point)
+  [7] *((const byte*) SCREEN+(byte) 1) ← *((byte*)&(struct Point) point+(const byte) OFFSET_STRUCT_POINT_Y)
+  to:main::@return
+main::@return: scope:[main]  from main
+  [8] return 
+  to:@return
+
+
+VARIABLE REGISTER WEIGHTS
+(byte) Point::x
+(byte) Point::y
+(void()) main()
+(struct Point) point loadstore = {}
+
+Initial phi equivalence classes
+Added variable point to live range equivalence class [ point ]
+Complete equivalence classes
+[ point ]
+Allocated mem[2] [ point ]
+
+INITIAL ASM
+Target platform is c64basic / MOS6502X
+  // File Comments
+// Minimal struct with C-Standard behavior - declaration, instantiation and usage
+  // Upstart
+.pc = $801 "Basic"
+:BasicUpstart(__bbegin)
+.pc = $80d "Program"
+  // Global Constants & labels
+  .label SCREEN = $400
+  .const OFFSET_STRUCT_POINT_Y = 1
+  // @begin
+__bbegin:
+  // [1] phi from @begin to @1 [phi:@begin->@1]
+__b1_from___bbegin:
+  jmp __b1
+  // @1
+__b1:
+  // [2] call main 
+  jsr main
+  // [3] phi from @1 to @end [phi:@1->@end]
+__bend_from___b1:
+  jmp __bend
+  // @end
+__bend:
+  // main
+main: {
+    // [4] *((byte*)&(struct Point) point) ← (byte) 2 -- _deref_pbuc1=vbuc2 
+    lda #2
+    sta point
+    // [5] *((byte*)&(struct Point) point+(const byte) OFFSET_STRUCT_POINT_Y) ← (byte) 3 -- _deref_pbuc1=vbuc2 
+    lda #3
+    sta point+OFFSET_STRUCT_POINT_Y
+    // [6] *((const byte*) SCREEN) ← *((byte*)&(struct Point) point) -- _deref_pbuc1=_deref_pbuc2 
+    lda point
+    sta SCREEN
+    // [7] *((const byte*) SCREEN+(byte) 1) ← *((byte*)&(struct Point) point+(const byte) OFFSET_STRUCT_POINT_Y) -- _deref_pbuc1=_deref_pbuc2 
+    lda point+OFFSET_STRUCT_POINT_Y
+    sta SCREEN+1
+    jmp __breturn
+    // main::@return
+  __breturn:
+    // [8] return 
+    rts
+}
+  // File Data
+  point: .fill SIZEOF_STRUCT_POINT, 0
+
+REGISTER UPLIFT POTENTIAL REGISTERS
+Statement [4] *((byte*)&(struct Point) point) ← (byte) 2 [ point ] ( main:2 [ point ] ) always clobbers reg byte a 
+Statement [5] *((byte*)&(struct Point) point+(const byte) OFFSET_STRUCT_POINT_Y) ← (byte) 3 [ point ] ( main:2 [ point ] ) always clobbers reg byte a 
+Statement [6] *((const byte*) SCREEN) ← *((byte*)&(struct Point) point) [ point ] ( main:2 [ point ] ) always clobbers reg byte a 
+Statement [7] *((const byte*) SCREEN+(byte) 1) ← *((byte*)&(struct Point) point+(const byte) OFFSET_STRUCT_POINT_Y) [ ] ( main:2 [ ] ) always clobbers reg byte a 
+Potential registers mem[2] [ point ] : mem[2] , 
+
+REGISTER UPLIFT SCOPES
+Uplift Scope [Point] 
+Uplift Scope [main] 
+Uplift Scope [] 0: mem[2] [ point ] 
+
+Uplifting [Point] best 49 combination 
+Uplifting [main] best 49 combination 
+Uplifting [] best 49 combination mem[2] [ point ] 
+
+ASSEMBLER BEFORE OPTIMIZATION
+  // File Comments
+// Minimal struct with C-Standard behavior - declaration, instantiation and usage
+  // Upstart
+.pc = $801 "Basic"
+:BasicUpstart(__bbegin)
+.pc = $80d "Program"
+  // Global Constants & labels
+  .label SCREEN = $400
+  .const OFFSET_STRUCT_POINT_Y = 1
+  .const SIZEOF_STRUCT_POINT = 2
+  // @begin
+__bbegin:
+  // [1] phi from @begin to @1 [phi:@begin->@1]
+__b1_from___bbegin:
+  jmp __b1
+  // @1
+__b1:
+  // [2] call main 
+  jsr main
+  // [3] phi from @1 to @end [phi:@1->@end]
+__bend_from___b1:
+  jmp __bend
+  // @end
+__bend:
+  // main
+main: {
+    // [4] *((byte*)&(struct Point) point) ← (byte) 2 -- _deref_pbuc1=vbuc2 
+    lda #2
+    sta point
+    // [5] *((byte*)&(struct Point) point+(const byte) OFFSET_STRUCT_POINT_Y) ← (byte) 3 -- _deref_pbuc1=vbuc2 
+    lda #3
+    sta point+OFFSET_STRUCT_POINT_Y
+    // [6] *((const byte*) SCREEN) ← *((byte*)&(struct Point) point) -- _deref_pbuc1=_deref_pbuc2 
+    lda point
+    sta SCREEN
+    // [7] *((const byte*) SCREEN+(byte) 1) ← *((byte*)&(struct Point) point+(const byte) OFFSET_STRUCT_POINT_Y) -- _deref_pbuc1=_deref_pbuc2 
+    lda point+OFFSET_STRUCT_POINT_Y
+    sta SCREEN+1
+    jmp __breturn
+    // main::@return
+  __breturn:
+    // [8] return 
+    rts
+}
+  // File Data
+  point: .fill SIZEOF_STRUCT_POINT, 0
+
+ASSEMBLER OPTIMIZATIONS
+Removing instruction jmp __b1
+Removing instruction jmp __bend
+Removing instruction jmp __breturn
+Succesful ASM optimization Pass5NextJumpElimination
+Replacing label __bbegin with __b1
+Removing instruction __bbegin:
+Removing instruction __b1_from___bbegin:
+Removing instruction __bend_from___b1:
+Succesful ASM optimization Pass5RedundantLabelElimination
+Removing instruction __bend:
+Removing instruction __breturn:
+Succesful ASM optimization Pass5UnusedLabelElimination
+Updating BasicUpstart to call main directly
+Removing instruction jsr main
+Succesful ASM optimization Pass5SkipBegin
+Removing instruction __b1:
+Succesful ASM optimization Pass5UnusedLabelElimination
+
+FINAL SYMBOL TABLE
+(label) @1
+(label) @begin
+(label) @end
+(const byte) OFFSET_STRUCT_POINT_Y = (byte) 1
+(byte) Point::x
+(byte) Point::y
+(const byte*) SCREEN = (byte*) 1024
+(const byte) SIZEOF_STRUCT_POINT = (byte) 2
+(void()) main()
+(label) main::@return
+(struct Point) point loadstore mem[2] = {}
+
+mem[2] [ point ]
+
+
+FINAL ASSEMBLER
+Score: 34
+
+  // File Comments
+// Minimal struct with C-Standard behavior - declaration, instantiation and usage
+  // Upstart
+.pc = $801 "Basic"
+:BasicUpstart(main)
+.pc = $80d "Program"
+  // Global Constants & labels
+  .label SCREEN = $400
+  .const OFFSET_STRUCT_POINT_Y = 1
+  .const SIZEOF_STRUCT_POINT = 2
+  // @begin
+  // [1] phi from @begin to @1 [phi:@begin->@1]
+  // @1
+  // [2] call main 
+  // [3] phi from @1 to @end [phi:@1->@end]
+  // @end
+  // main
+main: {
+    // point.x = 2
+    // [4] *((byte*)&(struct Point) point) ← (byte) 2 -- _deref_pbuc1=vbuc2 
+    lda #2
+    sta point
+    // point.y = 3
+    // [5] *((byte*)&(struct Point) point+(const byte) OFFSET_STRUCT_POINT_Y) ← (byte) 3 -- _deref_pbuc1=vbuc2 
+    lda #3
+    sta point+OFFSET_STRUCT_POINT_Y
+    // SCREEN[0] = point.x
+    // [6] *((const byte*) SCREEN) ← *((byte*)&(struct Point) point) -- _deref_pbuc1=_deref_pbuc2 
+    lda point
+    sta SCREEN
+    // SCREEN[1] = point.y
+    // [7] *((const byte*) SCREEN+(byte) 1) ← *((byte*)&(struct Point) point+(const byte) OFFSET_STRUCT_POINT_Y) -- _deref_pbuc1=_deref_pbuc2 
+    lda point+OFFSET_STRUCT_POINT_Y
+    sta SCREEN+1
+    // main::@return
+    // }
+    // [8] return 
+    rts
+}
+  // File Data
+  point: .fill SIZEOF_STRUCT_POINT, 0
+
diff --git a/src/test/ref/struct-33.sym b/src/test/ref/struct-33.sym
new file mode 100644
index 000000000..8bf62e48a
--- /dev/null
+++ b/src/test/ref/struct-33.sym
@@ -0,0 +1,13 @@
+(label) @1
+(label) @begin
+(label) @end
+(const byte) OFFSET_STRUCT_POINT_Y = (byte) 1
+(byte) Point::x
+(byte) Point::y
+(const byte*) SCREEN = (byte*) 1024
+(const byte) SIZEOF_STRUCT_POINT = (byte) 2
+(void()) main()
+(label) main::@return
+(struct Point) point loadstore mem[2] = {}
+
+mem[2] [ point ]