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Fixed command-line interface

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This commit is contained in:
Jeff Parsons 2014-11-02 01:22:39 -07:00 • committed by jeffpar
commit 63b0d5829e
15 changed files with 99 additions and 60 deletions
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45
my_modules/pcjs-client/lib/hdc.js
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@ -40,6 +40,7 @@ if (typeof module !== 'undefined') {
var ChipSet = require("./chipset");
var Disk = require("./disk");
var State = require("./state");
var Debugger = require("./debugger");
}
/**
@ -2430,22 +2431,26 @@ HDC.prototype.readByte = function(drive, done, fAutoInc)
*/
if (done) {
var hdc = this;
drive.disk.seek(drive.wCylinder, drive.bHead, drive.bSector + drive.bSectorBias, false, function(sector, fAsync) {
var b = -1;
if ((drive.sector = sector)) {
drive.ibSector = 0;
/*
* We "pre-advance" bSector et al now, instead of waiting to advance it right before the seek().
* This allows the initial call to readByte() to perform a seek without triggering an unwanted advance.
*/
hdc.advanceSector(drive);
b = drive.disk.read(drive.sector, drive.ibSector);
drive.ibSector += inc;
} else {
drive.errorCode = HDC.XTC.DATA.ERR.NO_SECTOR;
}
done(b, fAsync);
});
if (drive.disk) {
drive.disk.seek(drive.wCylinder, drive.bHead, drive.bSector + drive.bSectorBias, false, function(sector, fAsync) {
if ((drive.sector = sector)) {
drive.ibSector = 0;
/*
* We "pre-advance" bSector et al now, instead of waiting to advance it right before the seek().
* This allows the initial call to readByte() to perform a seek without triggering an unwanted advance.
*/
hdc.advanceSector(drive);
b = drive.disk.read(drive.sector, drive.ibSector);
drive.ibSector += inc;
} else {
drive.errorCode = HDC.XTC.DATA.ERR.NO_SECTOR;
}
done(b, fAsync);
});
return b;
}
drive.errorCode = HDC.XTC.DATA.ERR.NO_SECTOR;
done(b, false);
}
return b;
};
@ -2487,9 +2492,11 @@ HDC.prototype.writeByte = function(drive, b)
* hence the bSectorBias below. I could change how sector numbers are stored in the image,
* but it seems preferable to keep the image format consistent and controller-independent.
*/
drive.disk.seek(drive.wCylinder, drive.bHead, drive.bSector + drive.bSectorBias, true, function(sector, fAsync) {
drive.sector = sector;
});
if (drive.disk) {
drive.disk.seek(drive.wCylinder, drive.bHead, drive.bSector + drive.bSectorBias, true, function(sector, fAsync) {
drive.sector = sector;
});
}
if (!drive.sector) {
drive.errorCode = HDC.XTC.DATA.ERR.NO_SECTOR;
b = -1;