Question: Consider a simple 8 - bit configuration register, where each bit sets the configuration of 8 different pins ( [ 7 . . . 0

Consider a simple 8-bit configuration register, where each bit sets the configuration of 8 different pins ([7...0]), where setting a bit to 0 means configuring input and setting 1 means output:
char *ioDirConfigRegister =0x20000000; // Location of configuration register in memory mapped IO

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