Free Pascal is a 32 bit compiler, so $ff shl 4= $ff0. Then $ff0 shr 4=$ff.
However, byte($ff shl 4)=$f0 , so adding a typecast gives the result you need.
Free Pascal is a 32 bit compiler, so $ff shl 4= $ff0. Then $ff0 shr 4=$ff.
However, byte($ff shl 4)=$f0 , so adding a typecast gives the result you need.
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