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void ega_init(void)
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void ega_init(void)
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{
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{
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    __u8 hi, lo;
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    __u8 hi, lo;
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    map_page_to_frame(PA2KA(VIDEORAM), VIDEORAM, PAGE_NOT_CACHEABLE, 0);
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    page_mapping_insert(PA2KA(VIDEORAM), VIDEORAM, PAGE_NOT_CACHEABLE, 0);
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    outb(0x3d4,0xe);
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    outb(0x3d4,0xe);
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    hi = inb(0x3d5);
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    hi = inb(0x3d5);
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    outb(0x3d4,0xf);
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    outb(0x3d4,0xf);
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    lo = inb(0x3d5);
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    lo = inb(0x3d5);
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    ega_cursor = (hi<<8)|lo;
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    ega_cursor = (hi<<8)|lo;