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Some more information on the 11/70 CPU instruction exerciser

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This commit is contained in:
Jeff 2016-11-18 16:50:05 -08:00 • committed by Jeff Parsons
commit c42ecd63a5
3 changed files with 117 additions and 6 deletions
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8
modules/pdp11/lib/ram.js
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@ -308,11 +308,11 @@ RAMPDP11.prototype.loadImage = function(aBytes, addrLoad, addrExec, addrInit, fR
}
var offBlock = off;
if (w != 0x0001) {
if (MAXDEBUG) this.println("invalid signature (" + str.toHexWord(w) + ") at offset " + str.toHexWord(offBlock));
this.printMessage("invalid signature (" + str.toHexWord(w) + ") at offset " + str.toHexWord(offBlock), MessagesPDP11.PAPER);
break;
}
if (off + 6 >= aBytes.length) {
if (MAXDEBUG) this.println("invalid block at offset " + str.toHexWord(offBlock));
this.printMessage("invalid block at offset " + str.toHexWord(offBlock), MessagesPDP11.PAPER);
break;
}
off += 2;
@ -326,12 +326,12 @@ RAMPDP11.prototype.loadImage = function(aBytes, addrLoad, addrExec, addrInit, fR
len--;
}
if (len != 0 || off >= aBytes.length) {
if (MAXDEBUG) this.println("insufficient data for block at offset " + str.toHexWord(offBlock));
this.printMessage("insufficient data for block at offset " + str.toHexWord(offBlock), MessagesPDP11.PAPER);
break;
}
checksum += aBytes[off++] & 0xff;
if (checksum & 0xff) {
if (MAXDEBUG) this.println("invalid checksum (" + str.toHexByte(checksum) + ") for block at offset " + str.toHexWord(offBlock));
this.printMessage("invalid checksum (" + str.toHexByte(checksum) + ") for block at offset " + str.toHexWord(offBlock), MessagesPDP11.PAPER);
break;
}
if (!cbData) {