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    IBM PC 5150 What the value of the intel 8272A timers mean ?

    Hello everyone, I am totally new to this forum. I just searched for an emulation forum to ask my question and I find this one. I am writing an IBM PC 5150 emulator (I plan to do an IBM PC AT next). I have a problem to know how the FDC internal timers work. From the IBM PC documentation : the...
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