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Updated PC8080 and PDPjs to support RAM images, eliminating the need for the old "writable ROM" kludge; RAM images can include their own load and exec addresses as part of the JSON file, but the RAM component can provide explicit overrides (if no load address is specified either way, the default load address is the starting RAM address)

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This commit is contained in:
Jeff Parsons 2016-10-17 11:01:32 -07:00 • committed by Jeff Parsons
commit 980c2ac5ab
64 changed files with 1479 additions and 1154 deletions
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84
modules/shared/lib/weblib.js
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@ -283,6 +283,90 @@ web.getResource = function(sURL, dataPost, fAsync, done)
return response;
};
/**
* parseMemoryResource(sURL, sData)
*
* @param {string} sData
* @return {Object|null} (resource)
*/
web.parseMemoryResource = function(sURL, sData)
{
var i;
var resource = {
aBytes: null,
aSymbols: null,
nLoad: null,
nExec: null
};
if (sData.charAt(0) == "[" || sData.charAt(0) == "{") {
try {
var a, ib;
var data = eval("(" + sData + ")");
resource.nLoad = data['load'];
resource.nExec = data['exec'];
if (a = data['bytes']) {
resource.aBytes = a;
}
else if (a = data['words']) {
/*
* Convert all words into bytes
*/
resource.aBytes = new Array(a.length * 2);
for (i = 0, ib = 0; i < a.length; i++) {
resource.aBytes[ib++] = a[i] & 0xff;
resource.aBytes[ib++] = (a[i] >> 8) & 0xff;
Component.assert(!(a[i] & ~0xffff));
}
}
else if (a = data['data']) {
/*
* Convert all dwords (longs) into bytes
*/
resource.aBytes = new Array(a.length * 4);
for (i = 0, ib = 0; i < a.length; i++) {
resource.aBytes[ib++] = a[i] & 0xff;
resource.aBytes[ib++] = (a[i] >> 8) & 0xff;
resource.aBytes[ib++] = (a[i] >> 16) & 0xff;
resource.aBytes[ib++] = (a[i] >> 24) & 0xff;
}
}
else {
resource.aBytes = data;
}
resource.aSymbols = data['symbols'];
if (!resource.aBytes.length) {
Component.error("Empty resource: " + sURL);
resource = null;
}
else if (resource.aBytes.length == 1) {
Component.error(resource.aBytes[0]);
resource = null;
}
} catch (e) {
Component.error("Resource data error: " + e.message);
resource = null;
}
}
else {
/*
* Parse the data manually; we'll assume it's in "simplified" hex form
* (a series of hex byte-values separated by whitespace).
*/
var sHexData = sData.replace(/\n/gm, " ").replace(/ +$/, "");
var asHexData = sHexData.split(" ");
resource.aBytes = new Array(asHexData.length);
for (i = 0; i < asHexData.length; i++) {
resource.aBytes[i] = parseInt(asHexData[i], 16);
Component.assert(!isNaN(resource.aBytes[i]));
}
}
return resource;
};
/**
* sendReport(sApp, sVer, sURL, sUser, sType, sReport, sHostName)
*