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Added progress bar control (for the PC11 paper tape reader)

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This commit is contained in:
Jeff Parsons 2016-10-19 14:16:14 -07:00 • committed by Jeff Parsons
commit 5e9891292c
15 changed files with 383 additions and 190 deletions
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36
modules/pdp11/lib/pc11.js
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@ -89,6 +89,14 @@ PC11.TARGET = {
MEMORY: 2
};
PC11.BINDING = {
READ_PROGRESS: "readProgress"
};
PC11.CSSCLASS = {
PROGRESS_BAR: PDP11.CSSCLASS + "-progress-bar"
};
/**
* setBinding(sType, sBinding, control, sValue)
*
@ -199,6 +207,10 @@ PC11.prototype.setBinding = function(sType, sBinding, control, sValue)
};
return true;
case PC11.BINDING.READ_PROGRESS:
this.bindings[sBinding] = control;
return true;
default:
break;
}
@ -601,6 +613,28 @@ PC11.prototype.displayTape = function()
}
};
/**
* displayProgress(nPercent)
*
* @this {PC11}
* @param {number} nPercent
*/
PC11.prototype.displayProgress = function(nPercent)
{
nPercent |= 0;
if (nPercent !== this.lastPercent) {
var control = this.bindings[PC11.BINDING.READ_PROGRESS];
if (control) {
var aeControls = Component.getElementsByClass(control, PC11.CSSCLASS.PROGRESS_BAR);
var controlBar = aeControls && aeControls[0];
if (controlBar && controlBar.style) {
controlBar.style.width = nPercent + "%";
}
}
this.lastPercent = nPercent;
}
};
/**
* parseTape(sTapeName, sTapePath, nTapeTarget, aBytes, addrLoad, addrExec)
*
@ -646,6 +680,7 @@ PC11.prototype.parseTape = function(sTapeName, sTapePath, nTapeTarget, aBytes, a
this.iTapeData = 0;
this.aTapeData = aBytes;
this.status("tape attached: " + sTapeName);
this.displayProgress(0);
};
/**
@ -714,6 +749,7 @@ PC11.prototype.advanceReader = function()
if (!(this.prs & PDP11.PC11.PRS.DONE)) {
if (this.iTapeData < this.aTapeData.length) {
this.prb = this.aTapeData[this.iTapeData++] & 0xff;
this.displayProgress(this.iTapeData / this.aTapeData.length * 100);
if (MAXDEBUG) this.println("tape read " + str.toHexByte(this.prb) + " at pos " + str.toHexWord(this.iTapeData));
this.prs |= PDP11.PC11.PRS.DONE;
this.prs &= ~PDP11.PC11.PRS.BUSY;