Many MSX computer/television combinations, including mine, suffer from a slight flaw:
the extreme left-hand edge of the screen is not visible. Allowances are made for this in
most commercial software, but not, regrettably, in this particular program. The menu of
options is displayed at the left of the screen, and I was only able to see half of it!
With only half a menu, the program is not much use - so be warned, and do not buy it unless
you can see the whole screen on your television.
The program is written mainly in Basic, but uses some machine code routines. It is not
break-proofed, so you can list it and edit it if required. You are given the line numbers
of the picture save and load routines so that they can easily be altered to use a disc
instead of cassette, and the instructons also tell you where you can insert a screen dump
routine if you can manage to write one!
Two separate versions of the program are supplied, the second one being for those lucky
people who have Sanyo light pens. Both offer the same facilities: drawing lines, boxes,
circles, ellipses and triangles, duplicating a drawing on a different area of the screen,
producing pictures with up-down and/or left-right symmetry, changing the colours of all
or part of the picture, adding text and so on.
The parts that I could manage to test all worked well enough, but I didn't see anything to
justify the hefty price tag.