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| -rw-r--r-- | doc/counter-edit.png | bin | 0 -> 28127 bytes | |||
| -rw-r--r-- | doc/counter.png | bin | 0 -> 14633 bytes | |||
| -rw-r--r-- | tour.md | 13 |
3 files changed, 9 insertions, 4 deletions
diff --git a/doc/counter-edit.png b/doc/counter-edit.png new file mode 100644 index 0000000..dc5d411 --- /dev/null +++ b/doc/counter-edit.png Binary files differdiff --git a/doc/counter.png b/doc/counter.png new file mode 100644 index 0000000..321db81 --- /dev/null +++ b/doc/counter.png Binary files differdiff --git a/tour.md b/tour.md index 15ef02d..9710173 100644 --- a/tour.md +++ b/tour.md @@ -38,15 +38,20 @@ Run the simplest example app: src/teliva counter.tlv ``` +<img alt='screenshot of Teliva running a counter app' src='doc/counter.png'> + Can you figure out what this app does, what you can do with it? There's a number on screen. Hit `enter`. The number increments by 1. Hit `ctrl-x` to exit (press `ctrl` and `x` on your keyboard at the same time). Run the app again. Try editing the app by hitting `ctrl-e`. You see a "big -picture" view of the app. Spend a few moments scanning this page. All programs -consist of data and _functions_: code that operates on data in some way. -Teliva apps always start by running the special function `main`. The big -picture orders functions from the _top down_. It shows `main` up top, +picture" view of the app. Spend a few moments scanning this page. + +<img alt='editing the code for the counter app' src='doc/counter-edit.png'> + +All programs consist of data and _functions_: code that operates on data in +some way. Teliva apps always start by running the special function `main`. The +big picture orders functions from the _top down_. It shows `main` up top, functions that `main` calls below, functions called by _those_ functions next, and so on. |
