Creating squeak pluggable primitives - a few ideas, some confusion, looking for like minded folks

jmvuletich at sinectis.com.ar jmvuletich at sinectis.com.ar
Fri Nov 9 18:26:51 UTC 2001


> ...
>  
>  tim
>  -- 
>  Tim Rowledge, tim at sumeru.stanford.edu, http://sumeru.stanford.edu/tim
>  Strange OpCodes: NBR: Unconditional No BRanch

The Motorola 6809 actually had BRN: BRanch Never! A NOP that used two bytes and used three CPU cycles. It also had SEX (Sign EXtend a 8 bit value to 16 bit).

Regards,
Juan Manuel Vuletich




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