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Improve macroification of VGA registers.

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This commit is contained in:
Vladimir 'phcoder' Serbinenko 2010-06-21 00:58:43 +02:00
parent 6d5a33c9ac
commit d246fc0368
2 changed files with 54 additions and 18 deletions
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8
term/i386/pc/vga_text.c
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@ -124,11 +124,13 @@ static void
grub_vga_text_setcursor (int on)
{
grub_uint8_t old;
old = grub_vga_cr_read (GRUB_VGA_CR_CURSOR);
old = grub_vga_cr_read (GRUB_VGA_CR_CURSOR_START);
if (on)
grub_vga_cr_write (old & ~GRUB_VGA_CR_CURSOR_DISABLE, GRUB_VGA_CR_CURSOR);
grub_vga_cr_write (old & ~GRUB_VGA_CR_CURSOR_START_DISABLE,
GRUB_VGA_CR_CURSOR_START);
else
grub_vga_cr_write (old | GRUB_VGA_CR_CURSOR_DISABLE, GRUB_VGA_CR_CURSOR);
grub_vga_cr_write (old | GRUB_VGA_CR_CURSOR_START_DISABLE,
GRUB_VGA_CR_CURSOR_START);
}
static grub_err_t