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Re: 8 bit cpu

From Kaz Kylheku <046-301-5902@kylheku.com>
Newsgroups comp.lang.c
Subject Re: 8 bit cpu
Date 2025-12-20 19:16 +0000
Organization A noiseless patient Spider
Message-ID <20251220111517.954@kylheku.com> (permalink)
References <d4h8kk5jltr9t2hqq0m471tlflmnin97ln@4ax.com>

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On 2025-12-18, Rosario19 <Ros@invalid.invalid> wrote:
> 8 bit cpu for access memory other than 0..255 location has need at
> last one 16 bit register and 16 bits operations, so i think that even
> a 8 bit cpu has to have int in C language as 16 bits 

To access more memory locations than 0 to 255 using a single binary
address, we only need 9 bits. 16 is not the lower bound on how many
bits we need.

-- 
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Thread

8 bit cpu Rosario19 <Ros@invalid.invalid> - 2025-12-18 19:20 +0100
  Re: 8 bit cpu Lew Pitcher <lew.pitcher@digitalfreehold.ca> - 2025-12-18 20:03 +0000
    Re: 8 bit cpu Lew Pitcher <lew.pitcher@digitalfreehold.ca> - 2025-12-18 20:49 +0000
  Re: 8 bit cpu BGB <cr88192@gmail.com> - 2025-12-18 16:30 -0600
    Re: 8 bit cpu Keith Thompson <Keith.S.Thompson+u@gmail.com> - 2025-12-18 15:36 -0800
      Re: 8 bit cpu Richard Heathfield <rjh@cpax.org.uk> - 2025-12-19 01:12 +0000
      Re: 8 bit cpu Kaz Kylheku <046-301-5902@kylheku.com> - 2025-12-20 19:23 +0000
        Re: 8 bit cpu Keith Thompson <Keith.S.Thompson+u@gmail.com> - 2025-12-20 17:55 -0800
          Re: 8 bit cpu David Brown <david.brown@hesbynett.no> - 2025-12-21 13:12 +0100
            Re: 8 bit cpu Keith Thompson <Keith.S.Thompson+u@gmail.com> - 2025-12-21 16:14 -0800
              Re: 8 bit cpu David Brown <david.brown@hesbynett.no> - 2025-12-22 08:41 +0100
    Re: 8 bit cpu David Brown <david.brown@hesbynett.no> - 2025-12-19 09:49 +0100
    Re: 8 bit cpu Lawrence D’Oliveiro <ldo@nz.invalid> - 2025-12-20 22:24 +0000
  Re: 8 bit cpu David Brown <david.brown@hesbynett.no> - 2025-12-19 09:19 +0100
    Re: 8 bit cpu bart <bc@freeuk.com> - 2025-12-19 13:43 +0000
      Re: 8 bit cpu David Brown <david.brown@hesbynett.no> - 2025-12-19 16:16 +0100
        Re: 8 bit cpu bart <bc@freeuk.com> - 2025-12-19 16:05 +0000
          Re: 8 bit cpu David Brown <david.brown@hesbynett.no> - 2025-12-19 18:57 +0100
            Re: 8 bit cpu bart <bc@freeuk.com> - 2025-12-20 16:19 +0000
              Re: 8 bit cpu David Brown <david.brown@hesbynett.no> - 2025-12-20 18:29 +0100
  Re: 8 bit cpu Kaz Kylheku <046-301-5902@kylheku.com> - 2025-12-20 19:16 +0000
  Re: 8 bit cpu kalevi@kolttonen.fi (Kalevi Kolttonen) - 2025-12-24 01:11 +0000
    Re: 8 bit cpu Keith Thompson <Keith.S.Thompson+u@gmail.com> - 2025-12-23 19:35 -0800
      Re: 8 bit cpu BGB <cr88192@gmail.com> - 2025-12-24 03:19 -0600

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