github.com/pkimpel.retro-b5500
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Code Releases Activity

1. Commit emulator release 0.10.

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2. Inhibit peripheral device windows from being closed while emulator is active.
3. Shut down peripheral devices and close their windows as part of cc.powerOff().
4. Add shut-down code to peripheral drivers.
5. Ensure SPO is ready in cc.load().
6. Enable emulator version display on B5500Console.
7. Clear DummyPrinter window when it is double-clicked (finally got this working).
8. Fix problem with "/" not accepted by SPO input in Google Chrome.
9. Commit ESPOL binary card loader image.
10. Fix problem with intensity levels in B5500Console NORMAL/CONTROL lights.
11. Attempt to enable emulator and utilities for Safari-style IndexedDB.
This commit is contained in:
paul.kimpel@digm.com
2013-07-15 03:31:34 +00:00
parent bd97a664eb
commit 27bd443f7c
14 changed files with 287 additions and 99 deletions
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35
emulator/B5500CentralControl.js
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@@ -61,7 +61,7 @@ function B5500CentralControl() {
/**************************************/
/* Global constants */
B5500CentralControl.version = "0.09";
B5500CentralControl.version = "0.10";
B5500CentralControl.memReadCycles = 2; // assume 2 µs memory read cycle time (the other option was 3 µs)
B5500CentralControl.memWriteCycles = 4; // assume 4 µs memory write cycle time (the other option was 6 µs)
@@ -788,11 +788,18 @@ B5500CentralControl.prototype.loadComplete = function loadComplete(dontStart) {
B5500CentralControl.prototype.load = function load(dontStart) {
/* Initiates a Load operation to start the system. If "dontStart" is truthy, then
only the MCP bootstrap is loaded into memory -- P1 is not started */
var result;
var boundLoadComplete = (function boundLoadComplete(that, dontStart) {
return function() {return that.loadComplete(dontStart)}
})(this, dontStart);
if (this.P1 && !this.P1.busy) {
if (!this.P1 || this.P1.busy) { // P1 is busy or not available
result = 1;
} else if (!this.testUnitReady(22)) { // SPO not ready
result = 2;
} else if (this.testUnitBusy(22)) { // SPO is busy
result = 3;
} else { // ready to rock 'n roll
this.clear();
this.nextTimeStamp = new Date().getTime();
this.tock();
@@ -820,7 +827,9 @@ B5500CentralControl.prototype.load = function load(dontStart) {
} else {
this.CCI04F = 1; // set I/O busy interrupt
}
result = 0; // all is copacetic
}
return result;
};
/**************************************/
@@ -1005,15 +1014,23 @@ B5500CentralControl.prototype.powerOn = function powerOn() {
B5500CentralControl.prototype.powerOff = function powerOff() {
/* Powers down the system and deallocates the hardware modules.
Redundant power-offs are ignored. */
var x;
var that = this;
function shutDown() {
var x;
if (this.poweredUp) {
this.halt();
if (this.timer) {
clearTimeout(this.timer);
this.timer = null;
}
// Shut down the peripheral devices
for (x=0; x<this.unit.length; x++) {
if (this.unit[x]) {
this.unit[x].shutDown();
}
}
// Deallocate the system modules
this.P1 = this.P2 = null;
this.PA = null;
@@ -1029,4 +1046,12 @@ B5500CentralControl.prototype.powerOff = function powerOff() {
this.poweredUp = 0;
}
if (this.poweredUp) {
this.halt();
// Wait a little while for I/Os, etc., to finish
setTimeout(function() {
shutDown.call(that);
}, 1000)
}
};