The C++ port also allowed for the implementation of new graphics modes and various speed improvements.
You can work in the graphics mode and perform spreadsheet operations.
In graphics mode, the lines are interleaved so it is a bit harder.
In 640x200 graphics mode, the foreground color can be changed from its usual white to any of the other 15 colors.
This gives a higher quality 8x16 text display and an additional 640x400 graphics mode.
This is not an official graphics mode, but a software technique made possible by the hardware.
Industry standard 16-bit and 24-bit graphics modes for resolutions from 320x200 up to 1,600x1,200.
This was an 80x40 (or 80x48) graphics mode available only on 80-column machines.
Together the two chips provide 6 text and 8 graphics modes (14 total).
Video games, even early ones, mostly required a true graphics mode.