Re: Early-2014 Macbook Air and Linux Mint Cinnamon

On 2026-06-26 01:21, Lawrence D’Oliveiro wrote:
> On Thu, 25 Jun 2026 11:26:47 +0200, Carlos E. R. wrote:
> 
>> On 2026-06-25 03:13, Lawrence D’Oliveiro wrote:
>>>
>>> On Wed, 24 Jun 2026 12:07:47 +0200, Carlos E. R. wrote:
>>>
>>>> On 2026-06-24 03:30, Lawrence D’Oliveiro wrote:
>>>>>
>>>>> On Sun, 21 Jun 2026 09:35:34 +0200, Marc Haber wrote:
>>>>>
>>>>>> This thread for some reason gave me 40 year old 6502 vibes,
>>>>>> where the only fully usable register is called the accumulator.
>>>>>
>>>>> “Accumulator” was a common synonym for “register” in the early
>>>>> days.
>>>>>
>>>>> E.g. I think the PDP-10 had 4 accumulators. Their
>>>>> assembly-language names were AC0, AC1, AC2, AC3.
>>>>
>>>> An accumulator is not a register. It is different, you can do
>>>> operations on it.
>>>
>>> Which one? What’s the point of having one where “you cannot do
>>> operations on it”?
>>
>> It just was so. The ALU wrote to the accumulator, not to other
>> registers.
> 
> There was also an older usage where “register” was a synonym for
> “memory location”. You’re not using it in that sense, are you?

Nono, just some storage inside the CPU.


Later processors, like the 68000, could receive results on any register.

-- 
Cheers,
        Carlos E.R.
        ES🇪🇸, EU🇪🇺;