Apple-2-Tools/apple2js
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Add 2mg support to disk2

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This commit is contained in:
Will Scullin 2014-01-05 09:37:33 -08:00
parent 7209758339
commit 212db7cc77
3 changed files with 34 additions and 8 deletions
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5
apple2js.html
View File

@ -199,7 +199,7 @@ function openManage() {
$("#manage").dialog("open");
}
function loadHTTP(url, cb) {
function loadHTTP(url) {
loading = true;
$("#loading").dialog("open");
@ -215,9 +215,6 @@ function loadHTTP(url, cb) {
$("#disklabel" + _saveDrive).text(name);
$("#loading").dialog("close");
loading = false;
if (cb) {
cb();
}
}
}
req.send(null);

5
apple2jse.html
View File

@ -203,7 +203,7 @@ function openManage() {
$("#manage").dialog("open");
}
function loadHTTP(url, cb) {
function loadHTTP(url) {
loading = true;
$("#loading").dialog("open");
@ -219,9 +219,6 @@ function loadHTTP(url, cb) {
$("#disklabel" + _saveDrive).text(name);
$("#loading").dialog("close");
loading = false;
if (cb) {
cb();
}
}
}
req.send(null);

32
js/disk2.js
View File

@ -720,6 +720,38 @@ function DiskII(io, callbacks, slot)
if (fmt === "do") {
fmt = "dsk";
}
_cur.readOnly = false;
if (fmt === "2mg") {
// Standard header size is 64 bytes. Make assumptions.
var prefix = new Uint8Array(data.slice(0, 64));
var data = data.slice(64);
// Check image format.
// Sure, it's really 64 bits. But only 2 are actually used.
switch (prefix[0xc]) {
case 0:
fmt = "dsk";
break;
case 1:
fmt = "po";
break;
case 2:
fmt = "nib";
break;
default: // Something hinky, assume "dsk"
fmt = "dsk";
break;
}
var flags =
prefix[0x10] | (prefix[0x11] << 8) |
(prefix[0x12] << 16) | (prefix[0x13] << 24);
_cur.readOnly = (flags & 0x80000000) ? true : false;
if (flags & 0x10) {
_cur.volume = flags & 0xff;
} else {
_cur.volume = 254;
}
}
for (var t = 0; t < 35; t++) {
var track, off, d;
if (fmt === "nib") {