doc: convert more of Person.im to assembly

doc/sample/Person.iasm

@@ -34,6 +34,9 @@
 	#1: ", "
 	#2: @ident[cout]
 	#3: @selector[-put:]
+	#4: @atom[years]
+	#5: @atom[months]
+	#6: @atom[days]
 @end
 
 @class (net.doorstuck.test.Person)
@@ -69,5 +72,125 @@
 @end
 
 @msgh (net.doorstuck.test.Person) [-test(param:_:)]
+	ldr x0, [pool, #0]
 
+	ldr x1, [bp, #-1]
+	add x0, x1, x0
+
+	ldr x1, [pool, #1]
+	add x0, x1, x0
+
+	ldr x1, [bp, #-2]
+	add x0, x1, x0
+
+	push x0
+
+	ldr x1, [pool, #2]
+	ldr x2, [pool, #3]
+
+	msg x1, x2, #1
+
+	ret.n
+@end
+
+@msgh (net.doorstuck.test.Person) [-name]
+	ldr x0, [self, #0]
+	ret
+@end
+
+@msgh (net.doorstuck.test.Person) [-age]
+	ldr x0, [self, #1]
+	ret
+@end
+
+@msgh (net.doorstuck.test.Person) [-ageInMonths]
+	ldr x0, [self, #1]
+	ldr x1, #12
+
+	mul x0, x1, x0
+
+	ret
+@end
+
+@msgh (net.doorstuck.test.Person) [-setName:]
+	ldr x0, [bp, #-1]
+	str x0, [self, #0]
+
+	ret.n
+@end
+
+@msgh (net.doorstuck.test.Person) [-setAge:]
+	ldr x0, [bp, #-1]
+	str x0, [self, #1]
+
+	ret.n
+@end
+
+@msgh (net.doorstuck.test.Person) [-setAge:inUnits:]
+	ldr x0, [bp, #-1]
+	ldr x1, [bp, #-2]
+
+	ldr x2, [pool, #4]
+	cmp x1, x2
+	b.eq L0001
+
+	ldr x2, [pool, #5]
+	cmp x1, x2
+	b.eq L0002
+
+	ldr x2, [pool, #6]
+	cmp x1, x2
+	b.eq L0003
+
+	ldr x0, #0
+	str x0, [self, #1]
+
+	br L0004
+
+L0001:	str x0, [self, #2]
+	br L0004
+
+L0002:	ldr x3, #12
+	div x3, x0, x3
+	str x3, [self, #2]
+	br L0004
+
+L0003:	ldr x3, #365
+	div x3, x0, x3
+	str x3, [self, #2]
+	br L0004
+L0004:
+	ret.n
+@end
+
+@msgh (net.doorstuck.test.Person) [-getAgeInUnits:]
+	ldr x1, [bp, #-1]	; x1 = units
+
+	ldr x2, [pool, #4]	; x2 = #years
+	cmp x1, x2
+	b.eq L0001		; [jump] if units == #years
+
+	ldr x2, [pool, #5]	; x2 = #months
+	cmp x1, x2
+	b.eq L0002		; [jump] if units == #years
+
+	ldr x2, [pool, #6]	; x2 = #days
+	cmp x1, x2
+	b.eq L0003		; [jump] if units == #days
+
+	ldr x0, #0		; else
+	ret			; return 0
+
+L0001:	ldr x0, [self, #1]	; [code] if units == #years
+	ret			; return self.age
+
+L0002:	ldr x0, [self, #1]	; [code] if units == #months
+	ldr x1, #12
+	div x0, x1, x0
+	ret			; return self.age / 12
+
+L0003:	ldr x0, [self, #1]	; [code] if units == #months
+	ldr x1, #365
+	div x0, x1, x0
+	ret			; return self.age / 365
 @end