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It is now possible to re-attach or re-load the current paper tape; re-attaching means repositioning it at the beginning, and re-loading means loading it into RAM again. Note that whenever you reload a tape, it's HIGHLY recommended that you reset the machine first, too.

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This commit is contained in:
Jeff Parsons 2016-10-23 13:44:31 -07:00 • committed by Jeff Parsons
commit de916981f3
8 changed files with 339 additions and 283 deletions
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20
modules/pdp11/lib/pc11.js
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@ -82,6 +82,13 @@ function PC11(parms)
this.sTapeSource = PC11.SOURCE.NONE;
this.nTapeTarget = PC11.TARGET.NONE;
this.sTapeName = this.sTapePath = "";
/*
* These next few variables simply keep track of the previous parameters to parseTape(),
* so that we can easily reparse the previous tape as needed.
*/
this.aBytes = this.addrLoad = this.addrExec = null;
this.nLastPercent = -1; // ensure the first displayProgress() displays something
/*
@ -447,7 +454,15 @@ PC11.prototype.loadTape = function(sTapeName, sTapePath, nTapeTarget, fAutoMount
}
}
}
if (nResult) this.status(this.nTapeTarget == PC11.TARGET.READER? "tape attached" : "tape loaded");
if (nResult) {
/*
* Now that we're calling parseTape() again (so that the current tape can either be restarted on
* the reader or reloaded into RAM), we can also rely on it to display an appropriate status message, too.
*
* this.status(this.nTapeTarget == PC11.TARGET.READER? "tape attached" : "tape loaded");
*/
this.parseTape(this.sTapeName, this.sTapePath, this.nTapeTarget, this.aBytes, this.addrLoad, this.addrExec);
}
return nResult;
};
@ -674,6 +689,9 @@ PC11.prototype.parseTape = function(sTapeName, sTapePath, nTapeTarget, aBytes, a
this.sTapeName = sTapeName;
this.sTapePath = sTapePath;
this.nTapeTarget = nTapeTarget;
this.aBytes = aBytes;
this.addrLoad = addrLoad;
this.addrExec = addrExec;
if (nTapeTarget == PC11.TARGET.MEMORY) {
/*