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Spiffed up the VT100 demo pages

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This commit is contained in:
Jeff Parsons 2016-08-15 15:00:36 -07:00
commit 8cb79257c9
7 changed files with 331 additions and 268 deletions
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33
modules/pc8080/lib/serialport.js
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@ -272,7 +272,7 @@ SerialPort.prototype.setBinding = function(sHTMLType, sBinding, control, sValue)
if (keyCode === 0x08 || event.ctrlKey && keyCode >= 0x41 && keyCode <= 0x5A) {
if (event.preventDefault) event.preventDefault();
if (keyCode > 0x40) keyCode -= 0x40;
serial.sendByte(keyCode);
serial.sendByteIn(keyCode);
}
return true;
};
@ -312,8 +312,17 @@ SerialPort.prototype.setBinding = function(sHTMLType, sBinding, control, sValue)
* that do not conflict with predefined controls (which, of course, is the only way you can get here).
*/
this.bindings[sBinding] = control;
/*
* Convert any "backslashed" sequences into the appropriate control characters.
*/
sValue = sValue.replace(/\\n/g, "\n").replace(/\\r/g, "\r");
control.onclick = function onClickTest(event) {
serial.sendByte(sValue.charCodeAt(0));
serial.sDataIn = sValue;
serial.sendDataIn();
/*
* Give focus back to the machine (since clicking the button takes focus away).
*/
if (serial.cmp) serial.cmp.updateFocus();
return true;
};
return true;
@ -334,6 +343,7 @@ SerialPort.prototype.setBinding = function(sHTMLType, sBinding, control, sValue)
*/
SerialPort.prototype.initBus = function(cmp, bus, cpu, dbg)
{
this.cmp = cmp;
this.bus = bus;
this.cpu = cpu;
this.dbg = dbg;
@ -459,13 +469,13 @@ SerialPort.prototype.saveRegisters = function()
};
/**
* sendByte(b)
* sendByteIn(b)
*
* @this {SerialPort}
* @param {number} b
* @return {boolean}
*/
SerialPort.prototype.sendByte = function(b)
SerialPort.prototype.sendByteIn = function(b)
{
if (!(this.bStatus & SerialPort.UART8251.STATUS.RECV_FULL)) {
this.bDataIn = b;
@ -476,6 +486,20 @@ SerialPort.prototype.sendByte = function(b)
return false;
};
/**
* sendDataIn()
*
* @this {SerialPort}
*/
SerialPort.prototype.sendDataIn = function()
{
if (this.sDataIn) {
if (this.sendByteIn(this.sDataIn.charCodeAt(0))) {
this.sDataIn = this.sDataIn.substr(1);
}
}
};
/**
* echoByte(b)
*
@ -537,6 +561,7 @@ SerialPort.prototype.inData = function(port, addrFrom)
var b = this.bDataIn;
this.printMessageIO(port, null, addrFrom, "DATA", b);
this.bStatus &= ~SerialPort.UART8251.STATUS.RECV_FULL;
this.sendDataIn(); // if there is still queued incoming data, send another byte
return b;
};