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Display - Differences In Monochrome, CGA, EGA |
The information in this document applies to:
WordPerfect® 5.1 for DOS
Problem
Solutions: WordPerfect divides monitors into four general categories for its text modes: Monochrome, CGA monitors, EGA monitors and RAMFont. The differences between each graphics card follow: Monochrome Monochrome monitors display text as Normal, Blink, Bold, Underline, and Reverse Video. Only the 256 characters in the IBM character set are available. CGA CGA monitors display text with 16 foreground and 8 background colors. Only the 256 characters in the IBM character set are available. EGA EGA monitors can act like a CGA monitor and display text with 16 foreground and 8 background colors and blink. EGA monitors can also display text with 9 foreground and 8 background colors, blink, and display characters from a second font. EGA monitors can display the 256 characters in the IBM character set and use a second font to display an additional 256 characters. This is true if a second font is used to display an extra on-screen font. RAMFont RAMFont works like monochrome when in text mode, but also has a graphics mode and a separate text mode that displays different fonts on the screen. RAMFont can display 12 fonts, each with the 256 IBM characters, or it can display 6 fonts each with 512 characters. Resolution and screen size are not determined by WordPerfect. WP will determine whatever text state and screen size the monitor is in when the program is entered. If for some reason it does not assume the correct size, you can start WP with the startup option WP/SS-(rows), (columns). This should only be used after the monitor itself has been changed to display the same number of rows and columns. A multisync monitor will configure to whatever type of card the computer has. If it has an EGA card, it will act like EGA. If it has a CGA card, it will act like a CGA card, and so on for other options. |
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