moth/html/terminal.js

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JavaScript
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2015-04-02 17:44:49 -06:00
var baud = 1200;
function tx(element, text, baud_) {
var drawTimer;
baud_ = baud_ || baud;
var sp = false;
function draw() {
c = text[0];
if ((c == " ") || (c == "\n")) {
sp = true;
c = " ";
} else if (sp) {
c = " " + c;
sp = false;
}
element.textContent += c;
text = text.substr(1);
if (text == "") {
clearInterval(drawTimer);
return;
}
}
// N81 uses 1 stop bit, and 1 parity bit.
// That works out to exactly 10 bits per byte.
msec = 10000 / baud_;
drawTimer = setInterval(draw, msec);
draw();
}
var outq = [];
var outTimer;
function drawPar() {
oute = document.getElementById("output");
outp = document.createElement("p");
oute.appendChild(outp);
tx(outp, outq.shift());
if (outq.length == 0) {
clearInterval(outTimer);
}
}
function output(par) {
outq = outq.concat(par);
if (! outTimer) {
outTimer = setInterval(drawPar, 150);
}
}