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Allow disk devices to specify their own boot requirements

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Jeff Parsons 2017-02-03 09:40:50 -08:00 • committed by Jeff Parsons
commit 6be79ae756
4 changed files with 67 additions and 45 deletions
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18
modules/pdp11/lib/drive.js
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@ -555,12 +555,16 @@ class DriveController extends Component {
* NOTE: We initialize the following drive properties to their MAXIMUMs; disks may have
* these or SMALLER values (subject to the limits of what the controller supports, of course).
*/
drive.sName = configDrive[0] + iDrive;
drive.nCylinders = configDrive[1];
drive.nHeads = configDrive[2];
drive.nSectors = configDrive[3];
drive.cbSector = configDrive[4];
drive.status = configDrive[5];
drive.sName = configDrive[i++] + iDrive;
drive.nCylinders = configDrive[i++];
drive.nHeads = configDrive[i++];
drive.nSectors = configDrive[i++];
drive.cbSector = configDrive[i++];
drive.iCylinderBoot = configDrive[i++];
drive.iHeadBoot = configDrive[i++];
drive.iSectorBoot = configDrive[i++];
drive.cbSectorBoot = configDrive[i++];
drive.status = configDrive[i++];
/*
* The next group of properties are set by various controller command sequences.
@ -817,7 +821,7 @@ class DriveController extends Component {
* a READY state is assured, and the readData() call shouldn't do anything to change that.
*/
this.cpu.setReset(0, true);
var err = this.readData(drive, 0, 0, 0, 512, 0x0000, 2);
var err = this.readData(drive, drive.iCylinderBoot, drive.iHeadBoot, drive.iSectorBoot, drive.cbSectorBoot, 0x0000, 2);
if (err) {
this.notice("Unable to read the boot sector (" + err + ")");
}