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Enable read/write breakpoints on DMA operations

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This commit is contained in:
Jeff Parsons 2014-12-27 22:52:18 -08:00 • committed by jeffpar
commit 7753bce94c
5 changed files with 88 additions and 30 deletions
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8
modules/pcjs/lib/disk.js
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@ -231,7 +231,7 @@ if (typeof module !== 'undefined') {
*/
function Disk(controller, drive, mode)
{
Component.call(this, "Disk", {'id': controller.idMachine + ".disk" + Disk.nDisks++}, Disk, Messages.DISK);
Component.call(this, "Disk", {'id': controller.idMachine + ".disk" + ++Disk.nDisks}, Disk, Messages.DISK);
/*
* Route all non-Debugger messages (eg, notice() and println() calls) through
@ -1014,7 +1014,7 @@ Disk.prototype.buildFileTable = function()
var apba = [];
for (var lba = dir.lbaRoot; lba < dir.lbaData; lba++) apba.push(dir.pbaVolume + lba);
this.getDir(dir, "", apba);
this.getDir(dir, "\\\\DISK" + Disk.nDisks, apba);
/*
* Create the sector-to-file mappings now.
@ -1241,9 +1241,10 @@ Disk.prototype.updateSector = function(file, pba, off)
var iCylinder = (pba / nSectorsPerCylinder) | 0;
var nSectorsRemaining = (pba % nSectorsPerCylinder);
var iHead = (nSectorsRemaining / this.nSectors) | 0;
var iSector = (nSectorsRemaining % this.nSectors) + 1;
var iSector = (nSectorsRemaining % this.nSectors);
var cylinder, head, sector;
if ((cylinder = this.aDiskData[iCylinder]) && (head = cylinder[iHead]) && (sector = head[iSector])) {
this.assert(sector['sector'] == iSector +1);
if (sector.file) {
if (DEBUG && this.messageEnabled()) {
this.messagePrint('"' + sector.file.sPath + '" cross-linked at offset ' + sector.file.offFile + ' with "' + file.sPath + '" at offset ' + off);
@ -1254,6 +1255,7 @@ Disk.prototype.updateSector = function(file, pba, off)
sector.offFile = off;
return true;
}
if (DEBUG && this.messageEnabled()) this.messagePrint("unable to map PBA " + pba + " to CHS");
return false;
};