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Figure 12.2 Color calculation ratio mode

カ ラ ー Color calculation can be performed without limitation when the TV screen mode is the normal mode, but when the TV screen mode is the high resolution mode or the dedicated monitor mode, there are limitations due to the color RAM mode and the color format of the second image. Table 12.1 shows the limitations of the color calculation function.

Table 12.1 Color calculation function in high resolution mode or dedicated monitor mode
Color RAM mode Second image color format Color calculation function
Mode 0 Palette format or RGB format Available
Mode 1 Palette format Not available
RGB format Available
Mode 2 Palette format Not available
RGB format Available

■ Extended color calculation function

The extended color calculation function is a function that makes the second image data the result of adding the second image and the third image at a certain rate. By performing color calculation on the second image and the top image, color calculation on three screens is possible. When a line color screen is inserted, the result of color calculation of the third image and force image at a certain ratio is used as the third image data, and the third image and line color screen are displayed as

.

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