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Assorted PDP-11 debugger changes

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This commit is contained in:
Jeff Parsons 2016-09-19 16:30:08 -07:00 • committed by Jeff Parsons
commit 1df54a338f
21 changed files with 499 additions and 276 deletions
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39
modules/pdp11/lib/rom.js
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@ -204,28 +204,39 @@ ROMPDP11.prototype.doneLoad = function(sURL, sROMData, nErrorCode)
Component.addMachineResource(this.idMachine, sURL, sROMData);
var i;
if (sROMData.charAt(0) == "[" || sROMData.charAt(0) == "{") {
try {
/*
* The most likely source of any exception will be here: parsing the JSON-encoded ROM data.
* The most likely source of any exception will be here: parsing the JSON-encoded ROM.
*/
var a, ib;
var rom = eval("(" + sROMData + ")");
var ab = rom['bytes'];
var adw = rom['data'];
if (ab) {
this.abROM = ab;
if (a = rom['bytes']) {
this.abROM = a;
}
else if (adw) {
else if (a = rom['words']) {
/*
* Convert all the DWORDs into BYTEs, so that subsequent code only has to deal with abROM.
* Convert all WORDs into BYTEs, so that subsequent code only has to deal with abROM.
*/
this.abROM = new Array(adw.length * 4);
for (var idw = 0, ib = 0; idw < adw.length; idw++) {
this.abROM[ib++] = adw[idw] & 0xff;
this.abROM[ib++] = (adw[idw] >> 8) & 0xff;
this.abROM[ib++] = (adw[idw] >> 16) & 0xff;
this.abROM[ib++] = (adw[idw] >> 24) & 0xff;
this.abROM = new Array(a.length * 2);
for (i = 0, ib = 0; i < a.length; i++) {
this.abROM[ib++] = a[i] & 0xff;
this.abROM[ib++] = (a[i] >> 8) & 0xff;
this.assert(!(a[i] & ~0xffff));
}
}
else if (a = rom['data']) {
/*
* Convert all DWORDs into BYTEs, so that subsequent code only has to deal with abROM.
*/
this.abROM = new Array(a.length * 4);
for (i = 0, ib = 0; i < a.length; i++) {
this.abROM[ib++] = a[i] & 0xff;
this.abROM[ib++] = (a[i] >> 8) & 0xff;
this.abROM[ib++] = (a[i] >> 16) & 0xff;
this.abROM[ib++] = (a[i] >> 24) & 0xff;
}
}
else {
@ -255,7 +266,7 @@ ROMPDP11.prototype.doneLoad = function(sURL, sROMData, nErrorCode)
var sHexData = sROMData.replace(/\n/gm, " ").replace(/ +$/, "");
var asHexData = sHexData.split(" ");
this.abROM = new Array(asHexData.length);
for (var i = 0; i < asHexData.length; i++) {
for (i = 0; i < asHexData.length; i++) {
this.abROM[i] = str.parseInt(asHexData[i], 16);
}
}