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 +1,31 @@
+/
+/
+
+/ atan2 & datan2 fortran functions
+
+.globl	atan2.
+.globl	datan2.
+
+.globl	retrn
+.globl	rerr
+.globl	temp
+.globl	atan2
+
+datan2.:	temp
+	.+2
+	setd
+	br	1f
+
+atan2.:	temp
+	.+2
+	setf
+1:
+	cmp	*2(sp),$2
+	bne	1f
+	movf	*2(r3),r0
+	movf	*4(r3),r1
+	jsr	pc,atan2
+	movf	r0,temp
+	jmp	retrn
+1:
+	jsr	r5,rerr; 3