py: Implement bl/bx instructions for inline Thumb assembler.

1 files changed, 21 insertions, 0 deletions

diff --git a/tests/inlineasm/asmblbx.py b/tests/inlineasm/asmblbx.py
new file mode 100644
index 000000000..d08c0ed6b
--- /dev/null
+++ b/tests/inlineasm/asmblbx.py
@@ -0,0 +1,21 @@
+# test bl and bx instructions
+
+@micropython.asm_thumb
+def f(r0):
+    # jump over the internal functions
+    b(entry)
+
+    label(func1)
+    add(r0, 2)
+    bx(lr)
+
+    label(func2)
+    sub(r0, 1)
+    bx(lr)
+
+    label(entry)
+    bl(func1)
+    bl(func2)
+
+print(f(0))
+print(f(1))