From f37a50d6cfe86e6f5ebe368c0868878fd72aa884 Mon Sep 17 00:00:00 2001 From: Wojciech Kosior Date: Sat, 5 Sep 2020 18:32:44 +0200 Subject: add jump instruction together with bench --- tests/stack_machine_jump/instructions.s.tcl | 22 ++++++++++++++++++++++ tests/stack_machine_jump/test.v | 1 + tests/stack_machine_jump/words_to_verify.mem | 2 ++ 3 files changed, 25 insertions(+) create mode 100755 tests/stack_machine_jump/instructions.s.tcl create mode 120000 tests/stack_machine_jump/test.v create mode 100644 tests/stack_machine_jump/words_to_verify.mem (limited to 'tests/stack_machine_jump') diff --git a/tests/stack_machine_jump/instructions.s.tcl b/tests/stack_machine_jump/instructions.s.tcl new file mode 100755 index 0000000..fe3b297 --- /dev/null +++ b/tests/stack_machine_jump/instructions.s.tcl @@ -0,0 +1,22 @@ +#!/usr/bin/env tclsh + +source tclasm.tcl + +## Let there be 2 pieces of code - each one storing a different value in memory +## and halting afterwards. Jump instruction should cause the second piece of +## code to execute instead of the first. We'll verify that by checking, which +## value got written. + +## Ufortunately, our assembly currently doesn't compute label addresses for us. + +# Those 4 instructions should get encoded into 5 16-bit words, so they +# will take 10 bytes total. Hence jump to address 10 is needed to skip them. +jump 10 +const h12 +store h87C0 +halt + +# address 10 here +const h34 +store h87C0 +halt diff --git a/tests/stack_machine_jump/test.v b/tests/stack_machine_jump/test.v new file mode 120000 index 0000000..f5b6a59 --- /dev/null +++ b/tests/stack_machine_jump/test.v @@ -0,0 +1 @@ +../stack_machine_store/test.v \ No newline at end of file diff --git a/tests/stack_machine_jump/words_to_verify.mem b/tests/stack_machine_jump/words_to_verify.mem new file mode 100644 index 0000000..1b9f11d --- /dev/null +++ b/tests/stack_machine_jump/words_to_verify.mem @@ -0,0 +1,2 @@ +// address value + 87C0 34 -- cgit v1.2.3