Lines Matching refs:dx
78 # dx = Start Cluster of Efivar.bin
86 # 1000:dx = DirectoryEntry of Efivar.bin -> BS.com has filled already
89 testw %dx, %dx
100 movw %dx, %di
156 # dx = CachedFatSectorNumber
163 movw $0xfff, %dx # CachedFatSectorNumber = 0xfff
176 … cmpw %dx, %ax # Compare FatSectorNumber to CachedFatSectorNumber
184 movw %ax, %dx # CachedFatSectorNumber = FatSectorNumber
244 incw %dx # dx = (StartLBA % MaxSector) + 1
247 subw %dx, %bx # bx = MaxSector - Sector
267 xorw %dx, %dx # dx = 0
269 # dx = ax % (MaxHead + 1) = Head