Re: Creating and using arrays - again

Elizabeth D Rather wrote:
> Andrew Haley wrote:
> ...
>> Release 1 of fig-FORTH is dated November 1980, and the source code for
>> <BUILDS DOES> (Block 43) is tagged WFR-79MAR20.  According to EDR et
>> al's paper for HOPL II, the fig-FORTH project was started in 1978.
>>
>>> I don't know about <BUILDS but I can imagine it being somewhat older.
>>
>> I think it was probably in microFORTH.
> 
> In the early 70's, the Forth at NRAO and Kitt Peak had both ;CODE and ;:

> to construct objects with shared defining and instance behaviors, and it

> was in miniFORTH in the mid-70's.
> 
> I no longer remember why ;: was unsuitable for microFORTH, but it was...

> Dean Sanderson, the primary author of microFORTH, invented <BUILDS 
> DOES>, and since figFORTH was based on microFORTH, it used it.
> 
> By the 80's, FORTH, Inc. had found a way to merge mini- and microFORTH 
> into polyFORTH, which used CREATE as a defining "primitive" and CREATE 
> DOES> was a simpler implementation.  It was picked up in FORTH83.

Thanks. I knew I remembered it from _somewhere_.

Jerry
-- 
Engineering is the art of making what you want from things you can get.
¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯