INMC News

  

Christmas 1979, Issue 5











Page 18 of 38











EDITOR FEATURES ZEAP 1.1 ZEAP 2.0 ZEN V & T
To display a group of Lines Specify start and/or end line number.
Pause facility
Specify start and/or end line numbers.
Pause and lines per page features
Move pointer to start of group, then specify number of lines to display. Specify start and end line numbers. Lines per page feature automatic.
To enter a line Type in the line with the line number, Line numbers can be provided by the system. Type in the line with the line number, NAS-SYS editing available for corrections, Line numbers can be provided by the system. Move pointer to position to start, then enter the lines, The line number is provided by the system, always. Add single line by specifying line number, or add a group of lines starting at a certain line. Line numbers are provided by the system.
To delete lines A single line or a group can be deleted A single line or a group can be deleted A single line or a group can be deleted A single line or a group can be deleted.
To edit a line already entered. Editing mode allows full editing of a single line, including insertion​/deletion. NAS-SYS editing using cursor control keys allows very clear and easy editing including insertion​/deletion. No editing possible. Line must be replaced by re-typing. No editing possible. Line must be replaced by re-typing.
Compression of source code, to save valuable RAM None None None None
Search for character string Yes, including continued search. Only from start of file. Only up to 6 characters. Yes, including improved continued search. Only from start of file. Yes, from any point, (but no editing – see above). No
Remembering Yes Yes Not needed because system supplies line numbers Yes
GENERAL PEATURES
Source code supplied No No Yes, good Listing but only partly commented. No
Adaptability to other systems No Only by author Yes, quite easy No, but it includes an amazing ability to relocate itself to any address. All work areas can be put anywhere in memory.
Storage of source code on cassette Yes, but better to use NASBUG Read/​Write Yes, but better to use NAS-SYS Read/​Write Yes, uses own routines. Can append files. This did not seem to work very reliably. Yes, uses NASBUG routines.

This is an OCR’d version of the scanned page and likely contains recognition errors.











Page 18 of 38