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Properly handle extended_pending

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This commit is contained in:
Vladimir 'phcoder' Serbinenko 2010-08-22 17:44:03 +02:00
parent 59004db595
commit 6e05e7f0f8
1 changed files with 10 additions and 2 deletions
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12
term/at_keyboard.c
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@ -122,13 +122,21 @@ grub_keyboard_getkey (void)
if (! KEYBOARD_ISREADY (grub_inb (KEYBOARD_REG_STATUS)))
return -1;
key = grub_inb (KEYBOARD_REG_DATA);
if (key == 0xe0)
{
extended_pending = 1;
return -1;
}
/* FIXME */ grub_keyboard_isr (key);
ret = KEYBOARD_SCANCODE (key);
if (ret == SHIFT_L || ret == SHIFT_R || ret == ALT || ret == CTRL)
return -1;
{
extended_pending = 0;
return -1;
}
if (extended_pending)
ret |= 0x80;
extended_pending = (key == 0xe0);
extended_pending = 0;
if (! KEYBOARD_ISMAKE (key))
return -1;
return ret;