2 files changed, 6 insertions, 0 deletions
diff --git a/as/errors.h b/as/errors.h
index ad1b57f..ac26b6d 100644
--- a/as/errors.h
+++ b/as/errors.h
@@ -1,3 +1,6 @@
+
+#ifndef _H_ERRORS
+#define _H_ERRORS
 /* Error codes. */
 
 /* Syntax errors. */
@@ -103,3 +106,5 @@ EXTERN char UNSTABLE_LABEL[];   /* "label moved in last pass add -O?" */
 /* Warnings. */
 EXTERN char CPUCLASH[];         /* "instruction illegal for current cpu" */
 EXTERN char SHORTB[];           /* "short branch would do" */
+
+#endif
diff --git a/as/mops.c b/as/mops.c
index d18510d..e6dc9b1 100644
--- a/as/mops.c
+++ b/as/mops.c
@@ -2172,6 +2172,7 @@ PUBLIC void mpushpop()
 	    }
 	    else
 	    {
+		needcpu(1); /* On 8086 PUSH does not allow immediate */
 		opcode = 0x68;
 		if (oldopcode == POP_OPCODE)
 		    ++opcode;