diff --git a/test/asm/label-diff.asm b/test/asm/label-diff.asm
index fa81e945..5d9f37a8 100644
--- a/test/asm/label-diff.asm
+++ b/test/asm/label-diff.asm
@@ -52,6 +52,8 @@ SECTION "fixed PC", ROM0[420]
 	; Diffing PC and a label from here should work
 LocalFixed:
 	print_diff LocalFixed, @
+	ds 69
+	print_diff LocalFixed, @
 
 SECTION "Floating PC", ROM0
 	; Diffing a constant and PC cannot work
@@ -65,3 +67,5 @@ SECTION "Floating PC", ROM0
 	; Diffing PC and a label from here should work
 LocalFloating:
 	print_diff LocalFloating, @
+	ds 42
+	print_diff LocalFloating, @
diff --git a/test/asm/label-diff.err b/test/asm/label-diff.err
index f098b2bc..cfaeb543 100644
--- a/test/asm/label-diff.err
+++ b/test/asm/label-diff.err
@@ -22,16 +22,16 @@ ERROR: label-diff.asm(49) -> label-diff.asm::print_diff(20):
     Expected constant expression: 'Unknown' is not constant at assembly time
 ERROR: label-diff.asm(49) -> label-diff.asm::print_diff(22):
     Expected constant expression: 'Unknown' is not constant at assembly time
-ERROR: label-diff.asm(58) -> label-diff.asm::print_diff(20):
-    Expected constant expression: PC is not constant at assembly time
-ERROR: label-diff.asm(58) -> label-diff.asm::print_diff(22):
-    Expected constant expression: PC is not constant at assembly time
 ERROR: label-diff.asm(60) -> label-diff.asm::print_diff(20):
-    Expected constant expression: 'Known' is not constant at assembly time
+    Expected constant expression: PC is not constant at assembly time
 ERROR: label-diff.asm(60) -> label-diff.asm::print_diff(22):
     Expected constant expression: PC is not constant at assembly time
 ERROR: label-diff.asm(62) -> label-diff.asm::print_diff(20):
-    Expected constant expression: 'Unknown' is not constant at assembly time
+    Expected constant expression: 'Known' is not constant at assembly time
 ERROR: label-diff.asm(62) -> label-diff.asm::print_diff(22):
     Expected constant expression: PC is not constant at assembly time
+ERROR: label-diff.asm(64) -> label-diff.asm::print_diff(20):
+    Expected constant expression: 'Unknown' is not constant at assembly time
+ERROR: label-diff.asm(64) -> label-diff.asm::print_diff(22):
+    Expected constant expression: PC is not constant at assembly time
 error: Assembly aborted (18 errors)!
diff --git a/test/asm/label-diff.out b/test/asm/label-diff.out
index bb02119d..b1d04f47 100644
--- a/test/asm/label-diff.out
+++ b/test/asm/label-diff.out
@@ -20,6 +20,8 @@ $0
 $0
 $0
 $0
+$FFFFFFBB
+$45
 $0
 $0
 $0
@@ -30,3 +32,5 @@ $0
 $0
 $0
 $0
+$FFFFFFD6
+$2A
diff --git a/test/asm/pc.asm b/test/asm/pc.asm
new file mode 100644
index 00000000..f0a164c1
--- /dev/null
+++ b/test/asm/pc.asm
@@ -0,0 +1,10 @@
+SECTION "fixed", ROM0[420]
+	PRINTT "{@}\n"
+	ds 69
+	PRINTT "{@}\n"
+
+; FIXME: expected to land at $0000
+SECTION "floating", ROM0
+	db @
+	ds 42
+	db @
diff --git a/test/asm/pc.err b/test/asm/pc.err
new file mode 100644
index 00000000..e69de29b
diff --git a/test/asm/pc.out b/test/asm/pc.out
new file mode 100644
index 00000000..59aa2eff
--- /dev/null
+++ b/test/asm/pc.out
@@ -0,0 +1,2 @@
+$1A4
+$1E9
diff --git a/test/asm/pc.out.bin b/test/asm/pc.out.bin
new file mode 100644
index 00000000..c2cc4a1f
Binary files /dev/null and b/test/asm/pc.out.bin differ