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Check for CTRL-Break keystroke. Not used. |
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Check for EOF on standard input. Not used. |
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Check snow on CGA screens. Not used. |
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Use direct video access. DOS only. |
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Last screen mode. |
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Mask to filter text attribute. |
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Lower right corner of currently defined window. |
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X coordinate of lower right corner of the defined window. |
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Y coordinate of lower right corner of the defined window. |
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Upper left corner of currently defined window. |
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X coordinate of upper left corner of the defined window. |
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Y coordinate of upper left corner of the defined window. |