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Rev 4429 Rev 4434
Line 1516... Line 1516...
1516 
        out     dx, al      ; select GDC bit mask register
 1516 
        out     dx, al      ; select GDC bit mask register
1517 
                           ; for writes to 0x03cf
 1517 
                           ; for writes to 0x03cf
1518 
gmok2:
 1518 
gmok2:
1519 
        push    ds
 1519 
        push    ds
1520 
        pop     es
 1520 
        pop     es
- 
 
 1521 
 
- 
 
 1522 
        sidt    [cs:old_ints_h]
- 
 
 1523 
 
- 
 
 1524 
        cli                             ; disable all irqs
- 
 
 1525 
        mov     al, 255                 ; mask all irqs
- 
 
 1526 
        out     0xa1, al
- 
 
 1527 
        out     0x21, al
- 
 
 1528 
   l.5:
- 
 
 1529 
        in      al, 0x64                ; Enable A20
- 
 
 1530 
        test    al, 2
- 
 
 1531 
        jnz     l.5
- 
 
 1532 
        mov     al, 0xD1
- 
 
 1533 
        out     0x64, al
- 
 
 1534 
   l.6:
- 
 
 1535 
        in      al, 0x64
- 
 
 1536 
        test    al, 2
- 
 
 1537 
        jnz     l.6
- 
 
 1538 
        mov     al, 0xDF
- 
 
 1539 
        out     0x60, al
- 
 
 1540 
   l.7:
- 
 
 1541 
        in      al, 0x64
- 
 
 1542 
        test    al, 2
- 
 
 1543 
        jnz     l.7
- 
 
 1544 
        mov     al, 0xFF
- 
 
 1545 
        out     0x64, al
- 
 
 1546