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Groundwork laid for upcoming BACKTRACK support

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Jeff Parsons 2014-12-23 16:02:41 -08:00 • committed by jeffpar
commit 2034428e9f
17 changed files with 5524 additions and 3147 deletions
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12
modules/pcjs/lib/disk.js
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@ -66,8 +66,8 @@
* ---
* Originally, when the Disk class was given a disk image to load and mount, it would request the
* ENTIRE disk image from the DiskDump module. That works well for small (floppy) disk images, but
* for larger disks -- let's just say anything stored on the server as an IMG file -- we'd prefer
* to interact with that disk using "On-Demand I/O". Any IMG file on the same server as the PCjs
* for larger disks -- let's just say anything stored on the server as an "img" file -- we'd prefer
* to interact with that disk using "On-Demand I/O". Any "img" file on the same server as the PCjs
* application should be a candidate for on-demand access.
*
* On-Demand I/O means that nothing is initially transferred from the server. As sectors are
@ -558,7 +558,7 @@ Disk.prototype.load = function(sDiskName, sDiskPath, file, fnNotify, controller)
* driveConfig 'size' parm, or to match the capacity required by the driveConfig 'type' parameter.
*
* If a 'disk' is specified, we pass mbhd=0, because the actual size will depend on the image.
* However, I don't currently have any .DSK or .IMG files containing hard disk images; those formats
* However, I don't currently have any "dsk" or "img" files containing hard disk images; those formats
* were really intended for floppy disk images. If I never create any hard disk image files, then
* we can simply eliminate sSizeParm in the 'disk' case.
*
@ -781,9 +781,9 @@ Disk.prototype.doneLoad = function(sDiskFile, sDiskData, nErrorCode, sDiskPath)
/*
* Before the image is usable, we must "normalize" all the sectors. In the past, this meant
* "inflating" them all. However, that's no longer strictly necessary. Mainly, it just means
* setting 'length', 'pattern' and 'data' properties, so that all the sectors are well-defined.
* This includes detecting sector data in older formats (eg, the OLD array of 'bytes' instead
* of the NEW 'data' array of dwords) and converting them on-the-fly to the current format.
* setting 'length', 'data', and 'pattern' properties, so that all the sectors are well-defined.
* This includes detecting sector data in older formats (eg, the old array of 'bytes' instead
* of the new 'data' array of dwords) and converting them on-the-fly to the current format.
*/
this.nCylinders = aDiskData.length;
this.nHeads = aDiskData[0].length;