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by cnvogel
3938 days ago
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Its part of the hardware (emulated by qemu). A VGA card (or any other text mode capable video adapter) will use either a portion of ROM or some part of video memory to hold the font from where its accessed simultaneously to the beam drawing the CRT screen. (Hercules, CGA, EGA, VGA all did this). In contrast to this, many Unix workstations never implemented such a thing and went directly to graphics framebuffers (SUN cgX framebuffers for the ... Sbus??). For that, of course you have to implement the font rendering in "bios" , or in the case of the sun machine in the OpenFirmware. Slowly.) |
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