[Vm-dev] Add primitiveMillisecondClockMask?

[Eliot Miranda]

On Thu, Apr 14, 2011 at 5:39 AM, Andreas Raab <andreas.raab at gmx.de> wrote:

>
> On 4/14/2011 13:21, David T. Lewis wrote:
>
>>
>> On Thu, Apr 14, 2011 at 11:27:48AM +0200, Andreas Raab wrote:
>>
>>>
>>>
>>> On 4/13/2011 20:09, David T. Lewis wrote:
>>>
>>>> Agreed, the millisecondClockMask should be available from a primitive.
>>>> Should I make it so?
>>>>
>>> Sure. I would do it via a vm attribute.
>>>
>>> Cheers,
>>>   - Andreas
>>>
>> The named primitive is trivial, so I think this is probably the simplest
>> thing to do:
>>
>> primitiveMillisecondClockMask
>>        "Provide access to the millisecond clock mask to support
>> calculation
>>        of durations based on the millisecond clock value."
>>
>>        <export: true>
>>        self pop: 1 thenPush: (self integerObjectOf: MillisecondClockMask)
>>
>> On the image side, call the primitive at #startUp: time, save the
>> value in a class variable for speed, and use the default 16r1FFFFFFF
>> if the primitive is not present.
>>
>
> You're right. It also makes it easier to remove the primitive later (i.e.,
> the change is completely self-contained).
>

+1


>
> Cheers,
>  - Andreas
>
>
>
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