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80286 triple-fault happily resets now

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Jeff Parsons 2014-11-17 17:26:19 -08:00 • committed by jeffpar
commit 9d73a2674e
21 changed files with 402 additions and 261 deletions
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8
modules/pcjs/lib/fdc.js
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@ -1523,7 +1523,7 @@ FDC.prototype.unloadAllDrives = function(fDiscard)
FDC.prototype.addDiskHistory = function(sDisketteName, sDiskettePath, disk)
{
var i;
Component.assert(!!sDiskettePath);
if (DEBUG) this.assert(!!sDiskettePath);
for (i = 0; i < this.aDiskHistory.length; i++) {
if (this.aDiskHistory[i][1] == sDiskettePath) {
var nChanges = disk.restore(this.aDiskHistory[i][2]);
@ -1796,7 +1796,7 @@ FDC.prototype.doCmd = function()
* Controller docs say that H should always match HD, so I assert that, but what if someone
* made a mistake and didn't program them identically -- what would happen? Which should we honor?
*/
Component.assert(h == bHead);
if (DEBUG) this.assert(h == bHead);
r = drive.bSector = this.popCmd(FDC.TERMS.R); // R
n = this.popCmd(FDC.TERMS.N); // N
drive.nBytes = 128 << n; // 0 => 128, 1 => 256, 2 => 512, 3 => 1024
@ -2005,7 +2005,7 @@ FDC.prototype.pushResults = function(drive, bCmd, bHead, c, h, r, n)
*/
FDC.prototype.popCmd = function(name)
{
Component.assert((!this.regDataIndex || name !== undefined) && this.regDataIndex < this.regDataTotal);
if (DEBUG) this.assert((!this.regDataIndex || name !== undefined) && this.regDataIndex < this.regDataTotal);
var bCmd = this.regDataArray[this.regDataIndex];
if (DEBUG && DEBUGGER && this.dbg && this.dbg.messageEnabled(Debugger.MESSAGE.FDC)) {
var bCmdMasked = bCmd & FDC.REG_DATA.CMD.MASK;
@ -2372,7 +2372,7 @@ FDC.prototype.writeByte = function(drive, b)
*/
FDC.prototype.advanceSector = function(drive)
{
Component.assert(drive.bCylinder < drive.nDiskCylinders);
if (DEBUG) this.assert(drive.bCylinder < drive.nDiskCylinders);
drive.bSector++;
var bSectorStart = 1;
if (drive.bSector >= drive.nDiskSectors + bSectorStart) {