More robust handling of PDP-10 memory errors (so that when a file is assembled and loaded into non-existent memory, an error is generated); bumped the PDP-10 test machine to 32K words

modules/pdp10/lib/bus.js

@@ -707,7 +707,7 @@ class BusPDP10 extends Component {
             if (DEBUGGER && this.dbg && this.dbg.messageEnabled(MessagesPDP10.FAULT)) {
                 this.dbg.printMessage("memory fault on " + this.dbg.toStrBase(addr), true, true);
             }
-            this.cpu.stopCPU();
+            this.cpu.haltCPU();
         }
     }
 

modules/pdp10/lib/cpustate.js

@@ -832,6 +832,20 @@ class CPUStatePDP10 extends CPUPDP10 {
         return data;
     }
 
+    /**
+     * haltCPU()
+     *
+     * This is a temporary helper function for the Bus component, to force the CPU to stop executing the
+     * current instruction.
+     *
+     * @this {CPUStatePDP10}
+     */
+    haltCPU()
+    {
+        this.stopCPU();
+        throw -1;
+    }
+
     /**
      * stepCPU(nMinCycles)
      *

modules/pdp10/lib/debugger.js

@@ -2528,7 +2528,7 @@ class DebuggerPDP10 extends Debugger {
         var dbg = this.dbg;
         var nWords = 0, addrLo = null, addrHi = 0;
         aWords.forEach(function(w, addr) {
-            bus.setWordDirect(addr, w);
+            bus.setWord(addr, w);
             if (addrLo == null) addrLo = addr;
             if (addr > addrHi) addrHi = addr;
             nWords++;
@@ -2665,10 +2665,15 @@ class DebuggerPDP10 extends Debugger {
                             if (addrStart == null) addrStart = addrLoad;
                             dbg.loadImage(macro10.getImage(), addrStart);
                         } catch(e) {
-                            dbg.println(e.message);
-                            nErrorCode = -1;    // fake error so that command processing stops
+                            if (typeof e == "number") {
+                                nErrorCode = e || -1;
+                            } else {
+                                dbg.println(e.message);
+                                nErrorCode = -1;        // fake error so that command processing stops
+                            }
                         }
-                    } else {
+                    }
+                    if (nErrorCode) {
                         dbg.println("error (" + nErrorCode + ") processing " + (sURL || sFile));
                     }
                     dbg.macro10 = null;

modules/pdp10/lib/memory.js

@@ -420,6 +420,7 @@ class MemoryPDP10 {
         if (DEBUGGER && this.dbg && this.dbg.messageEnabled(MessagesPDP10.MEMORY) /* && !off */) {
             this.dbg.printMessage("attempt to write " + this.dbg.toStrBase(v) + " to invalid addresses " + this.dbg.toStrBase(addr), true);
         }
+        this.bus.fault(addr);
     }
 
     /**