Add a 40-column TEXTMODE in addition to existing 80-col TEXTMODE. #5
Description
Add a 40-column TEXTMODE in addition to existing 80-col TEXTMODE.
Having a 40-column mode in BASIC will enable usage of heritage Basic-sources that were targeted to 20-columns.
Can pattern off of the two HGR modes. For example:
CALL TEXTMODE,40 -or-
CALL TEXTMODE,80