Started executing basic PDP-10 instruction diagnostic #1

2017-03-17 00:01:49 -07:00 · 2017-03-17 00:01:49 -07:00 · 9c96ec14ad
commit 9c96ec14ad
parent 598e390af2
7 changed files with 362 additions and 288 deletions
--- a/modules/pdp10/lib/cpuops.js
+++ b/modules/pdp10/lib/cpuops.js
@ -2232,7 +2232,31 @@ PDP10.opAOBJN = function(op, acc)
 */
 PDP10.opJRST = function(op, acc)
 {
-    this.opUndefined(op);
+    if (acc & 0b0001) {
+        /*
+         * Enter user mode.
+         */
+        this.setUserMode();
+    }
+    if (acc & 0b0010) {
+        /*
+         * Restore the flags.
+         */
+        this.setPS(this.regLA);
+    }
+    if (acc & 0b0100) {
+        /*
+         * Halt the processor.
+         */
+        this.stopCPU();
+    }
+    if (acc & 0b1000) {
+        /*
+         * Restore interrupt channel.
+         */
+        this.opUndefined(op);
+    }
+    this.setPC(this.regEA);
 };

 /**