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Third, color 0 (the "background" color) can be set to any of the 16 colors. The specific BIOS graphics mode influences which palettes are available. BIOS Mode 4 offers two palettes: green/red/brown and cyan/magenta/white. As with the text modes 0 and 2, Mode 5 disables the color burst to allow colors to appear in grayscale on composite monitor ...
Within the CMY color space used in color printing, a range of colors can be achieved by combining the three primary colors.This combination can be thought of as a hue component (which will require a maximum of two primary colors) and a grey component (a mixture of all three, in an appropriate quantity to give the required saturation).
Orange artifact color, generated from white and black pixels, on the TRS-80 Color Computer Example of artwork created with the intent of having individual pixel values horizontally averaged over composite video. Composite artifact colors is a technique commonly used to address several graphic modes of some 1970s and 1980s home computers.
This is a list of software palettes used by computers. Systems that use a 4-bit or 8-bit pixel depth can display up to 16 or 256 colors simultaneously. Many personal computers in the early 1990s displayed at most 256 different colors, freely selected by software (either by the user or by a program) from their wider hardware's RGB color palette.
[6] [7] [8] Nominally, the Hercules card provides a horizontal scanning frequency of 18.425 ± 0.500 kHz and 50 Hz vertical. [9] It runs at two slightly different sets of frequencies depending on whether in text or graphics mode, providing a different vertical refresh rate and a different aspect ratio via a different pixel clock and number of ...
The PS/2 chipset's limited abilities prevent EGA compatibility and high-resolution multi-color VGA display modes. The tenure of MCGA was brief; the PS/2 Model 25 and Model 30 were discontinued by 1992, and the only manufacturer to produce a clone of this display adapter was Epson , in the Equity Ie and PSE-30 , since the VGA standard introduced ...
The bits allocated to the stencil buffer can be used to represent numerical values in the range [0, 2 n-1], and also as a Boolean matrix (n is the number of allocated bits), each of which may be used to control the particular part of the scene. Any combination of these two ways of using the available memory is also possible.
Simulated Hercules InColor Card 640 x 350 x 16 graphics resolution and color abilities, corrected for aspect ratio. The Hercules InColor Card (GB222) is an IBM PC compatible 8-bit ISA graphics controller card released in April 1987 by Hercules Computer Technology, Inc. [1] [2] [3] It supported a fixed hardware palette of 64 colours, with the ability to display 720 × 350 with 16 colours on an ...