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| author | Kartik K. Agaram <vc@akkartik.com> | 2015-02-19 17:28:25 -0800 |
|---|---|---|
| committer | Kartik K. Agaram <vc@akkartik.com> | 2015-02-19 17:28:25 -0800 |
| commit | f2818edc5fba19885f1ba1fa48754af2e5abfceb (patch) | |
| tree | cfa1995d599ee1663661a4a93bddcaa6f29954d1 | |
| parent | c7c822b27aac56de1e44555c9c2366ac6bbf13f2 (diff) | |
| download | mu-f2818edc5fba19885f1ba1fa48754af2e5abfceb.tar.gz | |
794 - first jump instruction
| -rw-r--r-- | cpp/015jump | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/cpp/015jump b/cpp/015jump new file mode 100644 index 00000000..bcac4b6c --- /dev/null +++ b/cpp/015jump @@ -0,0 +1,32 @@ +:(before "End Globals") +// Jump ops. +const int JUMP = 10; +:(before "End Primitive Recipe Numbers") +Recipe_number["jump"] = JUMP; +Next_recipe_number++; +:(before "End Primitive Recipe Implementations") +case JUMP: { + trace("run") << "ingredient 0 is " << instructions[pc].ingredients[0].name; + pc += to_int(instructions[pc].ingredients[0].name); + break; +} + +:(scenario "jump_can_skip_instructions") +recipe main [ + jump 1:offset + 1:integer <- copy 1:literal +] ++run: instruction 0 ++run: ingredient 0 is 1 +-run: instruction 1 +-mem: storing in location 1 + +:(scenario "jump_backward") +recipe main [ + jump 1:offset + jump 1:offset + jump -2:offset +] ++run: instruction 0 ++run: instruction 2 ++run: instruction 1 |