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- A
- INT 11 ; Call BIOS interrupt 11h
- AND AL,C0 ; Mask leaving bits 6 & 7
- MOV CL,2 ; Ready to rotate 2 bits
- ROL AL,CL ; Do it
- INC AL ; Add one to result
- MOV AH,4C ; Exit with ERRORLEVEL
- INT 21 ; via DOS
-
- N EQDRIVES.COM
- RCX
- E
- W
- Q