* [http://CPCrulez.fr/Utils/index.php?download=Zn_F3tSmkLnU4peIVLHUsbOhbZvItJPUisI=&p=gsLl2M69gsbe29PNgMfp1dGHhn_l3tTGkLmj1NnH E-Prolog v2.3 on CPCRulez.]
* [httphttps://microbeeforum.uberclassic-leetcomputing.comde/microbee_mbug_disksindex.php?attachment/mbug11448421-epro23-zip/EPRO.Z80 Source Assembler source code]
===Manual===