Changeset 173

Timestamp:

Jan 3, 2004, 11:36:40 AM (21 years ago)

Author:

Gary Byers

Message:

According to my calculations, you need 5 bits to express a 5-bit register
field (RT, RA, RB, etc.)

File:

• trunk/ccl/lisp-kernel/lisp-exceptions.h (modified) (1 diff)

trunk/ccl/lisp-kernel/lisp-exceptions.h

@@ -228 +228 @@
 #define D_field(instr)   ((instr) & 0xffff)
 
-#define RT(val) ((val & 0xf) << 21)
+#define RT(val) ((val & 0x1f) << 21)
 #define RS(val) (RT(val))
-#define RA(val) ((val & 0xf) << 16)
-#define RB(val) ((val & 0xf) << 11)
+#define RA(val) ((val & 0x1f) << 16)
+#define RB(val) ((val & 0x1f) << 11)
 #define D(val) (val & 0xffff)