diff options
| -rw-r--r-- | misc/yosys.html | 33 |
1 files changed, 29 insertions, 4 deletions
diff --git a/misc/yosys.html b/misc/yosys.html index a5a8b65c..264a58f9 100644 --- a/misc/yosys.html +++ b/misc/yosys.html @@ -8,9 +8,31 @@ <div><textarea id="output" style="width: 100%" rows="30" cols="100"></textarea></div> <div id="wait" style="display: block"><br/><b><span id="waitmsg">Loading...</span></b></div> <div id="input" style="display: none"><form onsubmit="window.setTimeout(run_command); return false"><tt><span id="prompt"> - </span></tt><input id="command" type="text" style="font-family: monospace; font-weight: bold;" size="100"></form></div> + </span></tt><input id="command" type="text" onkeydown="history(event)" style="font-family: monospace; font-weight: bold;" size="100"></form></div> <script type='text/javascript'> var got_log_messages = false; + var history_log = []; + var history_index = 0; + var history_bak = ""; + + function history(ev) { + if (ev.keyCode == 38) { + el = document.getElementById('command'); + if (history_index == history_log.length) + history_bak = el.value + if (history_index > 0) + el.value = history_log[--history_index]; + } + if (ev.keyCode == 40) { + if (history_index < history_log.length) { + el = document.getElementById('command'); + if (++history_index < history_log.length) + el.value = history_log[history_index]; + else + el.value = history_bak; + } + } + } var Module = { print: (function() { @@ -120,8 +142,8 @@ document.getElementById('wait').style.display = 'none'; document.getElementById('input').style.display = 'block'; - document.getElementById('waitmsg').innerText = 'Waiting for yosys.js...'; - document.getElementById('prompt').innerText = yosys_prompt(); + document.getElementById('waitmsg').textContent = 'Waiting for yosys.js...'; + document.getElementById('prompt').textContent = yosys_prompt(); try { FS.mkdir('/work'); } catch (e) { } FS.chdir('/work'); @@ -173,6 +195,9 @@ function run_command() { var cmd = document.getElementById('command').value; document.getElementById('command').value = ''; + if (history_log.length == 0 || history_log[history_log.length-1] != cmd) + history_log.push(cmd); + history_index = history_log.length; var show_dot_before = ""; try { show_dot_before = FS.readFile('show.dot', { encoding: 'utf8' }); } catch (e) { } @@ -193,7 +218,7 @@ document.getElementById('wait').style.display = 'none'; document.getElementById('input').style.display = 'block'; - document.getElementById('prompt').innerText = yosys_prompt(); + document.getElementById('prompt').textContent = yosys_prompt(); var show_dot_after = ""; try { show_dot_after = FS.readFile('show.dot', { encoding: 'utf8' }); } catch (e) { } |