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-rw-r--r--zpu/roadshow/roadshow/hwtest/test.S19
1 files changed, 19 insertions, 0 deletions
diff --git a/zpu/roadshow/roadshow/hwtest/test.S b/zpu/roadshow/roadshow/hwtest/test.S
new file mode 100644
index 0000000..ac13be3
--- /dev/null
+++ b/zpu/roadshow/roadshow/hwtest/test.S
@@ -0,0 +1,19 @@
+_loop:
+ im 0x5a ; write Z to UART
+ nop
+ im 0x080a000c
+ store
+ ; increaase counter
+ im _test
+ load
+ im 1
+ add
+ im _test
+ store
+
+
+ im _loop
+ poppc ; loop
+
+ .align 4
+_test: .long 1
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