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a . Assume S P = C 7 H 1 6 before the PUSH VAL 3 instruction in the main procedure. After the main

a.
Assume SP=C7H16 before the "PUSH VAL3" instruction in the main
procedure. After the main procedure is executed, find the following:
RESI =
SP=
b. User wants to add 128k EPROMs and 128k SRAMs to a PC using the 74138s
to decode the 32k8 memory blocks (EPROMs and SRAMs) controlled by Ys.
Addresses available start 50000H and another D0000.
How many memory block required from EPROMs and SRAMs?
Determine the typical range address of added EPROMs and SRAMs?
Determine the range of each memory block controlled by Ys?
Design and draw the memory decoding using 74138 circuitries in which the
memory block controlled by Ys?
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