Texas Instruments 2000 User Manual
Screen Standards
Color graphics are supported by displaying color in two resolutions, each with standard and expanded
modes:
modes:
Resolution : 320 by 200 pixels with four shades of gray
Standard
One pixel is converted to a 2 x 2 cell
Display area:
Display area:
640 x 400
Expanded
Every fifth line is displayed twice
One pixel is converted to a 2 x 2 or 2 x 4 cell (every fifth line)
Display area:
One pixel is converted to a 2 x 2 or 2 x 4 cell (every fifth line)
Display area:
640 x 480
Resolution: 640 by 200 pixel of gray Standard
Standard
One pixel is converted to a 1 x 2 cell
Display area:
Display area:
640 x 400
Expanded
Every fifth line is displayed twice
One pixel is converted to a 1 x 2 or 1 x 4 cell (every fifth line)
Display area:
One pixel is converted to a 1 x 2 or 1 x 4 cell (every fifth line)
Display area:
640 x 480
EGA (Enhanced Graphics Adaptor)
The EGA standard supports 640-by-350 pixel monochrome or 16-color graphics, 640-by-200 pixel and 320-
by-200 pixel 16-color graphics, and uses an 8-by-14 pixel character box for text displays.
by-200 pixel 16-color graphics, and uses an 8-by-14 pixel character box for text displays.
The TravelMate 2000 LCD screen supports EGA by displaying text in an 80-column by 25-line text display
with 16 shades of gray in two modes:
with 16 shades of gray in two modes:
Standard
Expanded
Character box:
8x 16
8x 16
Display area:
640 x 400
640 x 480
J-2 Screen Standards