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Problem
(a) Prepare the assembly code sequence for each of the four styles (accumulator, memory-memory, stack, load/store) of machine for the code fragment:
A = B + C;
(b) Determine the number of instruction bytes fetched and data bytes transferred to/from memory for each assembly code sequence. Which architecture is most efficient as calculated by memory traffic? Which architecture is most efficient as measured by code size?
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Interrupt Priority Management The interrupt priority management logic indicated in given figure can be implemented in several ways. It does not required to be present in system
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Interrupt System Based on Single 8259 A The 8259A is contained in a 28-pin dual-in-line package that need only a + 5-V supply voltage. Its organization is shown in given figur
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