diff --git a/test/bcd.asm b/test/bcd.asm
new file mode 100644
index 00000000..bb45ca64
--- /dev/null
+++ b/test/bcd.asm
@@ -0,0 +1,21 @@
+	dt 765432109876543210p
+	dt -765432109876543210p
+	dt +765432109876543210p
+	dt 123p
+	dt -456p
+	dt +789p
+	dt 98765432109876543210p
+	dt 123.0
+	dt 0x123p+44
+	dt 789p
+
+	dt 0p765432109876543210
+	dt -0p765432109876543210
+	dt +0p765432109876543210
+	dt 0p123
+	dt -0p456
+	dt +0p789
+	dt 0p98765432109876543210
+	dt 123.0
+	dt 0x123p+44
+	dt 0p789