[TUHS] A New History of Modern Computing - my thoughts

Ron Natalie ron at ronnatalie.com
Mon Nov 29 08:41:30 AEST 2021


The ++ operator appears to have been.  The PDP-11 had addressing modes to so predecrement and postincrement.  

> On Nov 28, 2021, at 16:41, Steve Nickolas <usotsuki at buric.co> wrote:
> 
> ´╗┐On Sun, 28 Nov 2021, Thomas Paulsen wrote:
> 
>> I heard that the null terminated string was a 11-build-in.
> 
> It's a fairly good fit for 6502, too.  When I write 6502 code, all my messages are stored as C strings.  Because on an Apple, something like this...
> 
> putch      =        $FDED
> 
> entry:    ldy       #$00
> @1:       lda       msg, y
>          beq       @2
>          eor       #$80
>          jsr       putch
>          iny
>          bne       @1
> @2:       rts
> 
> msg:      .byte     "Hello, cruel world.", 13, 0
> 
> ...is pretty easy to do.
> 
> -uso.



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