Be more precise about the conditions which describe sitting at the VAX 3900 boot rom character prompt to enable CPU idling there.

2026-02-27 09:09:46 +00:00 · 2012-12-21 13:37:01 -08:00
parent d291a6e838
commit ca37549a22
1 changed files with 1 additions and 0 deletions
--- a/VAX/vax_cpu.c
+++ b/VAX/vax_cpu.c
@@ -2181,6 +2181,7 @@ for ( ;; ) {
            BRANCHB (brdisp);
            if (((PSL & PSL_IS) != 0) &&                /* on IS? */
                (PSL_GETIPL (PSL) == 0x1F) &&           /* at IPL 31 */
+                (mapen == 0) &&                         /* Running from ROM */
                (fault_PC == 0x2004361B))               /* Boot ROM Character Prompt */
                cpu_idle();
            }