Description: The BIT control allows you to specify:
The starting address for segments placed in the
bit-addressable internal data space The order of segments within the bit-addressable internal data space
The absolute memory location of segments in the bit-addressable internal data space.
Addresses that you specify with the BIT control are bit addresses. Bit addresses 00h through 7Fh reference bits in DATA memory bytes from byte address 20h to 2Fh (16
bytes of 8 bits each, 16 × 8 = 128 = 80h). Bit addresses that
are evenly divisible by 8 are aligned on a byte boundary. A
DATA segment that is bit-addressable can be located with
the BIT control; however, the bit address specified must be
byte aligned, that means evenly divisible by 8.