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Cleaned up how memory and IOPAGE traps are triggered, how ODD byte-level IOPAGE accesses are handled, and how memory is dumped by the Debugger

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Jeff Parsons 2016-10-10 17:09:29 -07:00 • committed by Jeff Parsons
commit 6514836098
31 changed files with 901 additions and 679 deletions
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12
modules/pdp11/lib/rom.js
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@ -120,7 +120,7 @@ Component.subclass(ROMPDP11);
* ROM contents, so in that case, having a reset() function that restores the original ROM data
* might be useful; then again, it might not, depending on what you're trying to debug.
*
* If we do add reset(), then we'll want to change copyROM() to hang onto the original
* If we do add reset(), then we'll want to change initROM() to hang onto the original
* ROM data; currently, we release it after copying it into the read-only memory allocated
* via bus.addMemory().
*/
@ -139,7 +139,7 @@ ROMPDP11.prototype.initBus = function(cmp, bus, cpu, dbg)
this.bus = bus;
this.cpu = cpu;
this.dbg = dbg;
this.copyROM();
this.initROM();
};
/**
@ -266,11 +266,11 @@ ROMPDP11.prototype.doneLoad = function(sURL, sROMData, nErrorCode)
this.abROM[i] = str.parseInt(asHexData[i], 16);
}
}
this.copyROM();
this.initROM();
};
/**
* copyROM()
* initROM()
*
* This function is called by both initBus() and doneLoad(), but it cannot copy the the ROM data into place
* until after initBus() has received the Bus component AND doneLoad() has received the abROM data. When both
@ -278,7 +278,7 @@ ROMPDP11.prototype.doneLoad = function(sURL, sROMData, nErrorCode)
*
* @this {ROMPDP11}
*/
ROMPDP11.prototype.copyROM = function()
ROMPDP11.prototype.initROM = function()
{
if (!this.isReady()) {
if (!this.sFilePath) {
@ -341,9 +341,7 @@ ROMPDP11.prototype.addROM = function(addr)
if (DEBUG) this.log("addROM(): copying ROM to " + str.toHexLong(addr) + " (" + str.toHexLong(this.abROM.length) + " bytes)");
var i;
for (i = 0; i < this.abROM.length; i++) {
if (DEBUGGER && this.dbg) this.dbg.disableMessages();
this.bus.setByteDirect(addr + i, this.abROM[i]);
if (DEBUGGER && this.dbg) this.dbg.enableMessages();
}
return true;
}