lightpen การใช้

• Comprehensive peripheral support was also claimed, including MIDI, lightpen, joystick and floppy disk.
• The keyboard features a plastic membrane, and further user input is obtained through a lightpen.
• It also had commands to read the joystick and lightpen, and unlocked the use of function keys.
• KoalaPad and Lightpen users could use GEOS too, which greatly increased the amount of clip art available for the platform.
• The best known art package was perhaps CAD drawing software were also commercially produced, such as the Inkwell Lightpen and related tools.
• On the Colour Genie, three 5-pin DIN connectors were used for the cassette recorder interface, the lightpen interface and the RS232 interface.
• It was developed by British developer Denton Designs and was published by Beyond Software in 1985 . " Shadowfire " is notable as one of the first games to use a menu-and-icon-driven interface, even with a lightpen.
• For example, the light-pen input would directly halt a counter which was started by the start of the vertical sweep of each display refresh, making calculation of where the lightpen was touching the screen little more than a simple divide / remainder operation.
• FRESS was essentially a text-based system and editing links was a fairly complex task unless you had access to the PDS-1 terminal, in which case you could select each end with the lightpen and create a link with a couple of keystrokes.