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 +1,23 @@
+/ C runtime startoff
+/ with floating point interpreter
+
+.globl	savr5
+.globl	fptrap
+.globl	_exit
+
+.globl	_main
+
+start:
+	sys	signal; 4; fptrap
+	setd
+	mov	sp,r0
+	mov	(r0),-(sp)
+	tst	(r0)+
+	mov	r0,2(sp)
+	jsr	pc,_main
+	mov	r0,(sp)
+	jsr	pc,*$_exit
+	sys	exit
+
+.bss
+savr5:	.=.+2