Category: other operating systems
INT E0 - REAL/32 - "C_RAWIO" - PERFORM RAW I/O WITH DEFAULT CONSOLE CL = 06h DL = mode describing the operation to be performed FFh get console input/status FEh get console status FDh get console input (blocking) else output DL to the console as a character Return: AX = returned value for DL = FFh, the character or 00h if none available for DL = FEh, 00h if no characters available, FFh if any available for DL = FDh, the character read from the console else AX = 0000h may destroy SI,DI??? Notes: during raw I/O, the special characters ^C, ^O, ^P, and ^S are not interpreted, but are passed through if the virtual console is in ^S mode and the owning process calls this function, the ^S state is cleared SeeAlso: INT E0/CL=01h,INT E0/CL=02h,INT 21/AH=06h