How to recognize - is the device really connected or not?
I know the solution,
OK -> bit7 = 1, bit5 = 0
NOK -> bit7 = 0, bit5 = 1
but how to read a bit7 and bit5 from status register (output from LPT1 adress 378 or LPT2 ...)?
Thanks
I know the solution,
OK -> bit7 = 1, bit5 = 0
NOK -> bit7 = 0, bit5 = 1
but how to read a bit7 and bit5 from status register (output from LPT1 adress 378 or LPT2 ...)?
Thanks
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