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 +1,45 @@
+.globl .p,sprv
+.globl .eq,.ne,.lt,.le,.gt,.ge
+
+.eq:
+	jsr	pc,sprv
+	cmp	4(sp),(sp)
+	beq	true
+	br	false
+
+.ne:
+	jsr	pc,sprv
+	cmp	4(sp),(sp)
+	bne	true
+	br	false
+.lt:
+	jsr	pc,sprv
+	cmp	4(sp),(sp)
+	blt	true
+	br	false
+
+.le:
+	jsr	pc,sprv
+	cmp	4(sp),(sp)
+	ble	true
+	br	false
+
+.gt:
+	jsr	pc,sprv
+	cmp	4(sp),(sp)
+	bgt	true
+	br	false
+
+.ge:
+	jsr	pc,sprv
+	cmp	4(sp),(sp)
+	bge	true
+	br	false
+
+true:
+	mov	$1,4(sp)
+	jmp	.p
+
+false:
+	clr	4(sp)
+	jmp	.p