Lines Matching refs:dx
64 # dx = Start Cluster of Efivar.bin
71 # 1000:dx = DirectoryEntry of Efivar.bin -> BS.com has filled already
74 testw %dx,%dx
85 movw %dx,%di
153 # dx = CachedFatSectorNumber
160 movw $0xfff,%dx # CachedFatSectorNumber = 0xfff
175 … cmpw %dx,%ax # Compare FatSectorNumber to CachedFatSectorNumber
183 movw %ax,%dx # CachedFatSectorNumber = FatSectorNumber
248 incw %dx # dx = (StartLBA % MaxSector) + 1
251 subw %dx,%bx # bx = MaxSector - Sector
271 xorw %dx,%dx # dx = 0
273 # dx = ax % (MaxHead + 1) = Head