Add original unix v6

2018-01-27 22:35:41 +09:00
commit 2c7099ee50
664 changed files with 106254 additions and 0 deletions
@@ -0,0 +1,16 @@
+/ abs - int absolute value.
+/ fabs - floating abs
+
+.globl	_abs
+_abs:
+	mov	2(sp),r0
+	bge	1f
+	neg	r0
+1:
+	rts	pc
+
+.globl	_fabs
+_fabs:
+	movf	2(sp),fr0
+	absf	fr0
+	rts	pc