Retro/pcjs
Watch
1
0
Fork
You've already forked pcjs
 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Added some RL11 register definitions

Browse source
This commit is contained in:
Jeff 2016-10-25 14:40:33 -07:00 • committed by Jeff Parsons
commit 04be27b47b
7 changed files with 249 additions and 164 deletions
Download patch file Download diff file Expand all files Collapse all files

47
modules/pdp11/lib/rl11.js
View file

@ -273,6 +273,13 @@ RL11.prototype.initBus = function(cmp, bus, cpu, dbg)
}
}
/*
* If we didn't need auto-mount support, we could defer controller initialization until we received a powerUp() notification,
* at which point reset() would call initController(), or restore() would restore the controller; in that case, all we'd need
* to do here is call setReady().
*/
this.initController();
this.triggerReaderInterrupt = this.cpu.addTrigger(PDP11.RL11.VEC, PDP11.RL11.PRI);
bus.addIOTable(this, RL11.UNIBUS_IOTABLE);
@ -296,6 +303,23 @@ RL11.prototype.getDriveName = function(iDrive)
return "RL" + iDrive;
};
/**
* getDriveNumber(sDrive)
*
* @this {RL11}
* @param {string} sDrive
* @return {number} (0-3, or -1 if error)
*/
RL11.prototype.getDriveNumber = function(sDrive)
{
var iDrive = -1;
if (sDrive) {
iDrive = sDrive.charCodeAt(sDrive.length - 1) - 0x30;
if (iDrive < 0 || iDrive > 9) iDrive = -1;
}
return iDrive;
};
/**
* powerUp(data, fRepower)
*
@ -332,11 +356,6 @@ RL11.prototype.powerUp = function(data, fRepower)
for (var iDrive = 0; iDrive < this.nDrives; iDrive++) {
var controlOption = document.createElement("option");
controlOption.value = iDrive;
/*
* TODO: This conversion of drive number to drive letter, starting with A:, is very simplistic
* and will NOT match the drive mappings that DOS ultimately uses. We'll need to spiff this up at
* some point.
*/
controlOption.text = this.getDriveName(iDrive);
controlDrives.appendChild(controlOption);
}
@ -431,8 +450,7 @@ RL11.prototype.initController = function(data)
*/
RL11.prototype.saveController = function()
{
var data = [];
return data;
return [];
};
/**
@ -502,11 +520,7 @@ RL11.prototype.autoMount = function(fRemount)
var sDiskPath = configDrive['path'] || "";
var sDiskName = configDrive['name'] || this.findDisk(sDiskPath);
if (sDiskPath && sDiskName) {
/*
* WARNING: This conversion of drive letter to drive number, starting with A:, is very simplistic
* and is not guaranteed to match the drive mapping that DOS ultimately uses.
*/
var iDrive = sDrive.charCodeAt(0) - 0x41;
var iDrive = this.getDriveNumber(sDrive);
if (iDrive >= 0 && iDrive < this.aDrives.length) {
if (!this.loadDrive(iDrive, sDiskName, sDiskPath, true) && fRemount) {
this.setReady(false);
@ -668,7 +682,7 @@ RL11.prototype.doneLoadDrive = function onLoadDrive(drive, disk, sDiskName, sDis
* For a local disk (ie, one loaded via mountDrive()), the disk.restore() performed by addDiskHistory()
* may have altered the disk geometry, so refresh the disk info.
*/
aDiskInfo = disk.info();
// aDiskInfo = disk.info();
/*
* Clearly, a successful mount implies a disk change, and I suppose that, technically, an *unsuccessful*
@ -684,9 +698,6 @@ RL11.prototype.doneLoadDrive = function onLoadDrive(drive, disk, sDiskName, sDis
/*
* With the addition of notify(), users are now "alerted" whenever a disk has finished loading;
* notify() is selective about its output, using print() if a print window is open, alert() otherwise.
*
* WARNING: This conversion of drive number to drive letter, starting with A:, is very simplistic
* and will not match the drive mappings that DOS ultimately uses (ie, for drives beyond B:).
*/
this.notice("Mounted disk \"" + sDiskName + "\" in drive " + this.getDriveName(drive.iDrive), drive.fAutoMount || fAutoMount);
@ -832,10 +843,6 @@ RL11.prototype.unloadDrive = function(iDrive, fLoading)
// this.regInput |= FDC.REG_INPUT.DISK_CHANGE;
/*
* WARNING: This conversion of drive number to drive letter, starting with A:, is very simplistic
* and is not guaranteed to match the drive mapping that DOS ultimately uses.
*/
if (!fLoading) {
this.notice("Drive " + this.getDriveName(iDrive) + " unloaded", fLoading);
this.sDiskSource = RL11.SOURCE.NONE;