simh v2.6

altair_defs.h

@@ -0,0 +1,24 @@
+/* altair_defs.h: MITS Altair simulator definitions
+
+   Copyright (c) 1997,
+   Charles E Owen
+   Commercial use prohibited
+
+*/
+
+#include "sim_defs.h"					/* simulator defns */
+
+/* Memory */
+
+#define MAXMEMSIZE	65536				/* max memory size */
+#define MEMSIZE		(cpu_unit.capac)		/* actual memory size */
+#define ADDRMASK	(MAXMEMSIZE - 1)		/* address mask */
+#define MEM_ADDR_OK(x)	(x < MEMSIZE)
+
+/* Simulator stop codes */
+
+#define STOP_RSRV	1				/* must be 1 */
+#define STOP_HALT   2               /* HALT */
+#define STOP_IBKPT	3				/* breakpoint */
+#define STOP_OPCODE 4
+