From ed6090899a095bab4e422fc0776ee6ccb97ffd44 Mon Sep 17 00:00:00 2001
From: Wojciech Kosior <kwojtus@protonmail.com>
Date: Wed, 2 Sep 2020 11:08:46 +0200
Subject: add bench for swap instruction

---
 Makefile                                     |  3 ++-
 tests/stack_machine_swap/instructions.s.tcl  | 15 +++++++++++++++
 tests/stack_machine_swap/test.v              |  1 +
 tests/stack_machine_swap/words_to_verify.mem |  5 +++++
 4 files changed, 23 insertions(+), 1 deletion(-)
 create mode 100755 tests/stack_machine_swap/instructions.s.tcl
 create mode 120000 tests/stack_machine_swap/test.v
 create mode 100644 tests/stack_machine_swap/words_to_verify.mem

diff --git a/Makefile b/Makefile
index 54e8462..d2f954d 100644
--- a/Makefile
+++ b/Makefile
@@ -19,7 +19,8 @@ STACK_MACHINE_TESTS := \
 	div \
 	mul \
 	jump \
-	tee
+	tee \
+	swap
 
 # Add other tests here if You need
 TESTS := \
diff --git a/tests/stack_machine_swap/instructions.s.tcl b/tests/stack_machine_swap/instructions.s.tcl
new file mode 100755
index 0000000..c17314e
--- /dev/null
+++ b/tests/stack_machine_swap/instructions.s.tcl
@@ -0,0 +1,15 @@
+#!/usr/bin/env tclsh
+
+source tclasm.tcl
+
+set_sp h7FFFC
+const h00AD00DE
+stack down
+const h00EF00BE
+swap
+## Because values were swapped, h00AD00DE should get written, first, at lower
+## address (h100) and h00EF00BE should be written next (at h104)
+store@ h00100
+stack down
+store@ h00104
+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..669219d
--- /dev/null
+++ b/tests/stack_machine_swap/words_to_verify.mem
@@ -0,0 +1,5 @@
+// address  value
+   00100    DE
+   00102    AD
+   00104    BE
+   00106    EF
-- 
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