BASIC PRCX::RAMMING
SECTION 4.8
VER.V09F
address of the array using VARPTR. If the address returned is
still below 49152, use a dummy array to push the start address
of the array to above 49152.
The paging control is accessed via an 'OUT (EOH),A' command,
with the accumulator containing the required page number with
bit 7 set to 1
i.e: to switch to page RO, the accumulator should contain
80H (128 decimal),
PAGE 4 - 19b
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