Descriptions:

FX80HEB.COM stores the hebrew character set in the Epson FX-80 RAM
area in the locations of the 138 through 155 ASCII set.  this section
may be invoked through BASIC CHR$(XXX) statement.

HEBREWTX.EXE stores the heberw character set in the Epson FX-80 ram
area in the locations of the lower case english characters. this
section is invoked whenever the printer gets lower case characters
thus the printing is limited to upper case english and the lower case
becomes hebrew.