Good catch :) Thanks Tim !
So for completeness the equations are:
!NVRAM = !AS & A23 & !A22 & !A21 & A20 & !A19 & !A18
!I/O = !AS & A23 & !A22 & !A21 & A20 & !A19 & A18
!VMEM = !AS & A23 & !A22 & !A21 & !A20 & !A19 & !A18
!I/OS = !AS & A23 & !A22 & !A21 & !A20 & !A19 & A18
!VBUFEN = !AS & A23 & !A22 & A21 & !A20 & !A19 & !A18
!VD = !AS & A23 & !A22 & !A21 & A20
!VPA = ( !AS & FC2 & FC1 & FC0 ) + ( !AS & A23 & !A22 & !A21 & !A20
& !A19 & A18 )
This should by translatable into ABEL, CUPL or any GAL/PAL compiler
people favor.
Someone really should write a PLS153 to equation reverse compiler :)
- James
On 11/20/2012 10:10 AM, teeray wrote:
> Great work James, but you missed one.
>
> !VPA = ( !AS & FC2 & FC1 & FC0 ) + ( !I/OS )
>
> Or does the compiler want !VPA = ( !AS & FC2 & FC1 & FC0 ) + (
> I/OS )
>
> anyway this one will work
>
> !VPA = ( !AS & FC2 & FC1 & FC0 ) + ( !AS & A23 & !A22 & !A21 &
> !A20 & !A19 & A18 )
>
> Tim
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Received on Tue Nov 20 14:37:03 2012
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