Re: Re: Re: CPU kvízecek na pátecek :-)

[Jan Waclawek]

Ano s autoinkrementom DPTR (to je vo viacerych '51) by to takto nejako naozaj mohlo fungovat. 
Predpoklada sa sice, ze PC prejde z ffff na 0000 co nemusi nevyhnutne byt pravda, ale s najvacsou pravdepodobnostou to tak bude.

wek


----- Original Message ---------------

Subject: Re: Re: Re: CPU kvízecek na pátecek :-)
   From: "Michal Gregor" <a2x1nptda8 at email.cz>
   Date: Fri, 11 Jun 2010 13:50:31 +0200
     To: "HW-news" <hw-list at list.hw.cz>

>Na 80C320 by to melo jít - je tam auto increment:
>
>        clr A
>Smycka:    
>    movx @DPTR,A
>    djnz x, Smycka    
>    djnz y, Smycka    
>
>;Tímto se vymaze Smycka +     mov DPTR, # Smycka
>
>Mazani_Zbytku:
>    mov DPTR, # Smycka
>    movx @DPTR,A
>    movx @DPTR,A
>    movx @DPTR,A
>    movx @DPTR,A    
>    movx @DPTR,A  
>
>;Tady se program zacykli probehne pres celou pamet a vrati se  na
>;Mazani_Zbytku a postupne umaze radky 
>    movx @DPTR,A  
>
>Michal
>
>    
>
>    
>
>
>
>
>  ----- Original Message ----- 
>  From: Jan Waclawek 
>  To: HW-news 
>  Sent: Friday, June 11, 2010 12:11 PM
>  Subject: Re: Re: Re: CPU kvízecek na pátecek :-)