add swap instruction together with bench

3 files changed, 21 insertions, 0 deletions

diff --git a/tests/stack_machine_swap/instructions.s.tcl b/tests/stack_machine_swap/instructions.s.tcl
new file mode 100755
index 0000000..a44ecf9
--- /dev/null
+++ b/tests/stack_machine_swap/instructions.s.tcl
@@ -0,0 +1,17 @@
+#!/usr/bin/env tclsh
+
+source tclasm.tcl
+
+set_sp 0
+
+const h0000DEAD
+const h0000BEEF
+
+swap
+
+## Because values were swapped, h0000DEAD should get written, first, at lower
+## address (h100) and h0000BEEF should be written next (at h200)
+store h000100
+store h000200
+
+halt
diff --git a/tests/stack_machine_swap/test.v b/tests/stack_machine_swap/test.v
new file mode 120000
index 0000000..f5b6a59
--- /dev/null
+++ b/tests/stack_machine_swap/test.v
@@ -0,0 +1 @@
+../stack_machine_store/test.v
\ No newline at end of file
diff --git a/tests/stack_machine_swap/words_to_verify.mem b/tests/stack_machine_swap/words_to_verify.mem
new file mode 100644
index 0000000..8557c9a
--- /dev/null
+++ b/tests/stack_machine_swap/words_to_verify.mem
@@ -0,0 +1,3 @@
+// address  value
+   00100    DEAD
+   00200    BEEF