Hisoft Pascal 4T is a Pascal compiler from Amsoft/Hisoft.
The disc version is called : Hisoft Pascal.
In Spain was distributed by Indescomp.
Around the period Hisoft Pascal 4T was released, "Introducing PASCAL for the CPC464" (Soft 925) was released separately for the beginner, which may also be known as "The Hisoft Guide to Pascal" (see Advertisement).