Lines Matching refs:dx
74 ; dx = Start Cluster of Efivar.bin
82 ; 1000:dx = DirectoryEntry of Efivar.bin -> BS.com has filled already
85 test dx,dx
96 mov di,dx
152 ; dx = CachedFatSectorNumber
159 mov dx,0fffh ; CachedFatSectorNumber = 0xfff
172 … cmp ax,dx ; Compare FatSectorNumber to CachedFatSectorNumber
180 mov dx,ax ; CachedFatSectorNumber = FatSectorNumber
240 inc dx ; dx = (StartLBA % MaxSector) + 1
243 sub bx,dx ; bx = MaxSector - Sector
263 xor dx,dx ; dx = 0
265 ; dx = ax % (MaxHead + 1) = Head