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More PDP-11 front panel functionality

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This commit is contained in:
Jeff 2016-11-01 19:02:06 -07:00 • committed by Jeff Parsons
commit caf0a728f8
20 changed files with 1379 additions and 615 deletions
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53
modules/pdp11/lib/device.js
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@ -49,7 +49,6 @@ if (NODE) {
* The Device component implements the following "default" devices:
*
* KW11 (KW11-L Line Time Clock)
* CNSL (Console Switch and Front Panel Display)
*
* as well providing access to all the MMU and CPU registers, PSW, etc.
*
@ -61,13 +60,6 @@ function DevicePDP11(parmsDevice)
{
Component.call(this, "Device", parmsDevice, DevicePDP11, MessagesPDP11.DEVICE);
this.console = { // CNSL registers
data: 0,
address: 0,
misc: 0x14,
switches: 0
};
this.kw11 = { // LW11 registers
csr: 0,
timer: -1 // initBus() will initialize this timer ID
@ -146,7 +138,6 @@ DevicePDP11.prototype.initBus = function(cmp, bus, cpu, dbg)
*/
DevicePDP11.prototype.reset = function()
{
this.console.misc = (this.console.misc & ~0x77) | 0x14; // kernel 16 bit
this.kw11.lks = 0;
};
@ -194,33 +185,6 @@ DevicePDP11.prototype.writeLKS = function(data, addr)
this.kw11.lks = data & ~PDP11.KW11.LKS.MON;
};
/**
* readCNSL(addr)
*
* If addr is set, then this a normal read, so we should return normal results (ie, switches);
* if addr is NOT set, then this is a read-before-write, so we must return the value being updated (ie, data).
*
* @this {DevicePDP11}
* @param {number} addr (eg, PDP11.UNIBUS.CNSL or 177570)
* @return {number}
*/
DevicePDP11.prototype.readCNSL = function(addr)
{
return (addr? this.console.switches : this.console.data) & 0xffff;
};
/**
* writeCNSL(data, addr)
*
* @this {DevicePDP11}
* @param {number} data
* @param {number} addr (eg, PDP11.UNIBUS.CNSL or 177570)
*/
DevicePDP11.prototype.writeCNSL = function(data, addr)
{
this.console.data = data;
};
/**
* readMMR0(addr)
*
@ -243,7 +207,6 @@ DevicePDP11.prototype.readMMR0 = function(addr)
DevicePDP11.prototype.writeMMR0 = function(data, addr)
{
this.cpu.setMMR0(data);
this.updateConsoleMode();
};
/**
@ -304,21 +267,6 @@ DevicePDP11.prototype.readMMR3 = function(addr)
DevicePDP11.prototype.writeMMR3 = function(data, addr)
{
this.cpu.setMMR3(data);
this.updateConsoleMode();
};
/**
* updateConsoleMode()
*
* @this {DevicePDP11}
*/
DevicePDP11.prototype.updateConsoleMode = function()
{
/*
* Set bit to 1 (22-bit), 2 (18-bit), or 4 (16-bit)
*/
var bit = this.cpu.mmuEnable? ((this.cpu.regMMR3 & PDP11.MMR3.MMU_22BIT)? 1 : 2) : 4;
this.console.misc = (this.console.misc & ~7) | bit;
};
/**
@ -1105,7 +1053,6 @@ DevicePDP11.UNIBUS_IOTABLE = {
[PDP11.UNIBUS.KDSAR0]: /* 172360 */ [null, null, DevicePDP11.prototype.readKDSAR, DevicePDP11.prototype.writeKDSAR, "KDSAR", 8, PDP11.MODEL_1145],
[PDP11.UNIBUS.MMR3]: /* 172516 */ [null, null, DevicePDP11.prototype.readMMR3, DevicePDP11.prototype.writeMMR3, "MMR3", 1, PDP11.MODEL_1145],
[PDP11.UNIBUS.LKS]: /* 177546 */ [null, null, DevicePDP11.prototype.readLKS, DevicePDP11.prototype.writeLKS, "LKS"],
[PDP11.UNIBUS.CNSL]: /* 177570 */ [null, null, DevicePDP11.prototype.readCNSL, DevicePDP11.prototype.writeCNSL, "CNSL"],
[PDP11.UNIBUS.MMR0]: /* 177572 */ [null, null, DevicePDP11.prototype.readMMR0, DevicePDP11.prototype.writeMMR0, "MMR0", 1, PDP11.MODEL_1145],
[PDP11.UNIBUS.MMR1]: /* 177574 */ [null, null, DevicePDP11.prototype.readMMR1, DevicePDP11.prototype.writeIgnored, "MMR1", 1, PDP11.MODEL_1145],
[PDP11.UNIBUS.MMR2]: /* 177576 */ [null, null, DevicePDP11.prototype.readMMR2, DevicePDP11.prototype.writeIgnored, "MMR2", 1, PDP11.MODEL_1145],