jepler/web-c2t
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Jeff Epler 2022-03-11 17:34:43 -06:00
parent 21575682e4
commit 0e414fed8a
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2 changed files with 28 additions and 14 deletions
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2
build.sh
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@ -2,4 +2,4 @@
[ -d output ] || mkdir output
make -C c2t c2t.h
emcc -g -O -Wall -Werror -Wno-unused -s TOTAL_MEMORY=$((2<<28)) -s SAFE_HEAP=1 -s STACK_OVERFLOW_CHECK=1 -s ASSERTIONS=2 -s FORCE_FILESYSTEM=1 -s EXPORTED_RUNTIME_METHODS="['ccall']" -DPACKAGE_STRING=\"bdftopcf\" -Ic2t wrap_c2t.c -o output/index.html --shell-file shell.html
emcc -O -Wall -Werror -Wno-unused -s TOTAL_MEMORY=$((2<<28)) -s SAFE_HEAP=1 -s STACK_OVERFLOW_CHECK=1 -s ASSERTIONS=2 -s FORCE_FILESYSTEM=1 -s EXPORTED_RUNTIME_METHODS="['ccall']" -DPACKAGE_STRING=\"bdftopcf\" -Ic2t wrap_c2t.c -o output/index.html --shell-file shell.html

40
shell.html
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@ -3,7 +3,7 @@
<head>
<meta charset="utf-8">
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>bdftopcf font converter</title>
<title>c2t wavefile generator</title>
<style>
form label, form button {
background-color: #7F9CCB;
@ -70,21 +70,35 @@
</form>
<br/>
<div id="outputDiv"/>
Use the resulting audio as described at <a href="https://asciiexpress.net/diskserver/">the asciiexpress diskserver</a>:
<ol>
<li>Remove any floppies.
<li>Power on your ][+ or //e.
<li>Press CONTROL-RESET.
<li>Connect your phone/computer headphone jack to the cassette input jack (it's next to the joystick port).
<li>Set your phone/computer to MAX volume.
<li>Insert a blank diskette (S6D1).
<li><strike>Select a disk from the list to the left.</strike>
<li>At the "]" prompt type "LOAD" and press RETURN.
<li>Press the play button. <strike>If problems with HIFI, use 8KFI.</strike>
</ol>
Note: 8KFI is not available here yet.
Due to boooogs the audio may be erroneously reported as very long. It is typically under 3 minutes.
<div id="player"/>
<textarea class="emscripten" id="output" rows="8"></textarea>
<textarea class="emscripten" id="output" rows="8" style="display:none"></textarea>
<script type='text/javascript'>
function downloadData(name, data) {
var as_str = Array.from(data).map((c)=>String.fromCharCode(c)).join("")
var datauri = "data:application/binary;base64," + btoa(as_str)
var link = document.createElement("a");
link.download = name;
link.href = datauri;
link.target = "blank";
document.body.appendChild(link);
link.click();
document.body.removeChild(link);
delete link;
var datauri = "data:audio/x-wav;base64," + btoa(as_str)
var audio = document.createElement("audio");
audio.controls = true;
audio.src=datauri
container = document.getElementById("player")
container.innerHTML = ''
container.appendChild(audio)
}
document.querySelector('#diskfile').addEventListener('change', (event) => {
@ -93,7 +107,7 @@
var reader = new FileReader();
reader.onload = function(e) {
var ifn = file.value.replace(/.*[/\\]/, "");
var ofn = e.value.replace(/\.[^.]*/, ".wav");
var ofn = "output.wav";
window.Module = Module
FS.writeFile(ifn, e.target.result);
var result = Module.ccall("wave_convert", "number", ["string"], [ifn]) // _wave_convert(ifn_c);