Warp <war### [at] tagpovrayorg> wrote:
>   The 286 architecture also had a 287 co-processor, but I'm not sure if
> it supported 64-bit floating point numbers. Maybe.

  It seems that it did. In fact, the very first x87 co-processor, the
8087 did support 64-bit and even 80-bit FPU calculations.

  So, arguably, a 8086 with a 8087 co-processor can perform 64-bit floating
point artithmetic in hardware. And we are talking about a 16-bit architecture
here.

-- 
                                                          - Warp

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