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v1.18.8: Update of the Windows 95 Setup test machine

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This commit is contained in:
Jeff Parsons 2015-08-13 18:16:52 -07:00
commit 69c8133384
31 changed files with 9134 additions and 2131 deletions
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151
modules/pcjs/lib/ram.js
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@ -38,6 +38,7 @@ if (typeof module !== 'undefined') {
var Component = require("../../shared/lib/component");
var Memory = require("./memory");
var ROM = require("./rom");
var State = require("./state");
}
/**
@ -103,13 +104,12 @@ RAM.prototype.powerUp = function(data, fRepower)
* memory contents are already restored for us, so we don't need the usual restore
* logic. We just need to call reset(), to allocate memory for the RAM.
*
if (!data || !this.restore) {
this.reset();
} else {
if (!this.restore(data)) return false;
}
* The only exception is when there's a custom Memory controller (eg, CompaqController).
*/
this.reset();
if (data && this.controller) {
if (!this.restore(data)) return false;
}
}
return true;
};
@ -130,9 +130,9 @@ RAM.prototype.powerDown = function(fSave, fShutdown)
* our memory, memory contents are already saved for us, so we don't need the usual
* save logic.
*
return fSave && this.save ? this.save() : true;
* The only exception is when there's a custom Memory controller (eg, CompaqController).
*/
return true;
return (fSave && this.controller)? this.save() : true;
};
/**
@ -225,6 +225,36 @@ RAM.prototype.reset = function()
}
};
/**
* save()
*
* This implements save support for the RAM component.
*
* @this {RAM}
* @return {Object}
*/
RAM.prototype.save = function()
{
var state = new State(this);
if (this.controller) state.set(0, this.controller.save());
return state.data();
};
/**
* restore(data)
*
* This implements restore support for the RAM component.
*
* @this {RAM}
* @param {Object} data
* @return {boolean} true if successful, false if failure
*/
RAM.prototype.restore = function(data)
{
if (this.controller) return this.controller.restore(data[0]);
return true;
};
/**
* RAM.init()
*
@ -392,16 +422,9 @@ CompaqController.RAMSETUP = {
*/
CompaqController.readByte = function readCompaqControllerByte(off, addr)
{
var b = 0xff;
if (off < 0x02) {
b = (off & 0x1)? (this.controller.wSettings >> 8) : (this.controller.wSettings & 0xff);
}
else if (off < 0x4) {
b = (off & 0x1)? (this.controller.wRAMSetup >> 8) : (this.controller.wRAMSetup & 0xff);
}
var b = this.controller.getByte(off);
if (DEBUG) {
this.controller.ram.printMessage("CompaqController.readByte(" + str.toHexWord(off) + ") returned " + str.toHexByte(b), 0, true);
if (MAXDEBUG && DEBUGGER && off >= 0x2) this.dbg.stopCPU();
}
return b;
};
@ -416,17 +439,84 @@ CompaqController.readByte = function readCompaqControllerByte(off, addr)
*/
CompaqController.writeByte = function writeCompaqControllerByte(off, b, addr)
{
var controller = this.controller;
this.controller.setByte(off, b);
/*
* All bits in 0x80C00001 and 0x80C00003 are reserved, so we can simply ignore those writes.
*/
if (DEBUG) {
this.controller.ram.printMessage("CompaqController.writeByte(" + str.toHexWord(off) + "," + str.toHexByte(b) + ")", 0, true);
}
};
CompaqController.BUFFER = [null, 0];
CompaqController.ACCESS = [CompaqController.readByte, null, null, CompaqController.writeByte, null, null];
/**
* save()
*
* This implements save support for the CompaqController component.
*
* @this {CompaqController}
* @return {Array}
*/
CompaqController.prototype.save = function()
{
return [this.wMappings, this.wRAMSetup];
};
/**
* restore(data)
*
* This implements restore support for the CompaqController component.
*
* @this {CompaqController}
* @param {Object} data
* @return {boolean} true if successful, false if failure
*/
CompaqController.prototype.restore = function(data)
{
this.setByte(0, data[0] & 0xff);
this.setByte(2, data[1] & 0xff);
return true;
};
/**
* getByte(off)
*
* @this {CompaqController}
* @param {number} off
* @return {number}
*/
CompaqController.prototype.getByte = function(off)
{
var b = 0xff;
if (off < 0x02) {
b = (off & 0x1)? (this.wSettings >> 8) : (this.wSettings & 0xff);
}
else if (off < 0x4) {
b = (off & 0x1)? (this.wRAMSetup >> 8) : (this.wRAMSetup & 0xff);
}
return b;
};
/**
* setByte(off, b)
*
* @this {CompaqController}
* @param {number} off (relative to 0x80C00000)
* @param {number} b
*/
CompaqController.prototype.setByte = function(off, b)
{
/*
* Check for write to 0x80C00000
*/
if (!off) {
if (b != (controller.wMappings & 0xff)) {
var bus = controller.ram.bus;
if (b != (this.wMappings & 0xff)) {
var bus = this.ram.bus;
if (!(b & CompaqController.MAPPINGS.UNMAPPED)) {
if (!controller.aBlocksDst) {
controller.aBlocksDst = bus.getMemoryBlocks(CompaqController.MAP_DST, CompaqController.MAP_SIZE);
if (!this.aBlocksDst) {
this.aBlocksDst = bus.getMemoryBlocks(CompaqController.MAP_DST, CompaqController.MAP_SIZE);
}
/*
* You might think that the next three lines could ALSO be moved to the preceding IF,
@ -439,33 +529,22 @@ CompaqController.writeByte = function writeCompaqControllerByte(off, b, addr)
bus.setMemoryBlocks(CompaqController.MAP_DST, CompaqController.MAP_SIZE, aBlocks, type);
}
else {
if (controller.aBlocksDst) {
bus.setMemoryBlocks(CompaqController.MAP_DST, CompaqController.MAP_SIZE, controller.aBlocksDst);
controller.aBlocksDst = null;
if (this.aBlocksDst) {
bus.setMemoryBlocks(CompaqController.MAP_DST, CompaqController.MAP_SIZE, this.aBlocksDst);
this.aBlocksDst = null;
}
}
controller.wMappings = (controller.wMappings & ~0xff) | b;
if (MAXDEBUG && DEBUGGER) this.dbg.stopCPU();
this.wMappings = (this.wMappings & ~0xff) | b;
}
}
/*
* Check for write to 0x80C00002
*/
else if (off == 0x2) {
controller.wRAMSetup = (controller.wRAMSetup & ~0xff) | b;
if (MAXDEBUG && DEBUGGER) this.dbg.stopCPU();
}
/*
* All bits in 0x80C00001 and 0x80C00003 are reserved, so we can simply ignore those writes.
*/
if (DEBUG) {
this.controller.ram.printMessage("CompaqController.writeByte(" + str.toHexWord(off) + "," + str.toHexByte(b) + ")", 0, true);
this.wRAMSetup = (this.wRAMSetup & ~0xff) | b;
}
};
CompaqController.BUFFER = [null, 0];
CompaqController.ACCESS = [CompaqController.readByte, null, null, CompaqController.writeByte, null, null];
/**
* getMemoryBuffer(addr)
*