From f26692426c1ee1cd51f68435e6db9947f7e7929a Mon Sep 17 00:00:00 2001
From: Matt Hillsdon <44397098+microbit-matt-hillsdon@users.noreply.github.com>
Date: Mon, 10 Oct 2022 17:04:07 +0100
Subject: [PATCH] Fail in a controlled way for asm_thumb use. (#82)
Closes https://github.com/microbit-foundation/micropython-microbit-v2-simulator/issues/81
---
src/demo.html | 1 +
src/examples/inline_assembler.py | 12 ++++++++++++
src/mpconfigport.h | 3 +++
3 files changed, 16 insertions(+)
create mode 100644 src/examples/inline_assembler.py
diff --git a/src/demo.html b/src/demo.html
index b578a0e3..cdcbfd44 100644
--- a/src/demo.html
+++ b/src/demo.html
@@ -88,6 +88,7 @@ MicroPython-micro:bit simulator example embedding
+
diff --git a/src/examples/inline_assembler.py b/src/examples/inline_assembler.py
new file mode 100644
index 00000000..56cf82e8
--- /dev/null
+++ b/src/examples/inline_assembler.py
@@ -0,0 +1,12 @@
+from microbit import *
+
+# Unsupported in the simulator
+@micropython.asm_thumb
+def asm_add(r0, r1):
+ add(r0, r0, r1)
+
+while True:
+ if button_a.was_pressed():
+ print(1 + 2)
+ elif button_b.was_pressed():
+ print(asm_add(1, 2))
\ No newline at end of file
diff --git a/src/mpconfigport.h b/src/mpconfigport.h
index 24c1c717..852e2685 100644
--- a/src/mpconfigport.h
+++ b/src/mpconfigport.h
@@ -162,4 +162,7 @@ extern uint32_t rng_generate_random_word(void);
#define MICROPY_MACHINE_MEM_GET_READ_ADDR machine_mem_get_read_addr
#define MICROPY_MACHINE_MEM_GET_WRITE_ADDR machine_mem_get_write_addr
+#define MICROPY_MAKE_POINTER_CALLABLE(p) \
+ ((mp_raise_NotImplementedError(MP_ERROR_TEXT("simulator limitation: asm_thumb code"))), p)
+
#endif