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4 cards from this section. Quick, good the night before a test.
What does the program counter do in the instruction execution process?
Think about what needs to happen first in an instruction cycle.
Define immediate addressing.
Recall an instruction example that uses this mode.
What is the first step in instruction execution?
Think about where the execution process begins.
True or False: Immediate addressing requires additional memory access compared to direct addressing.
Consider how the operand is made available in each mode.
Design a simple assembly instruction sequence for loading data from memory using direct addressing and then storing it after adding a constant.
Think about the sequence of addressing modes used.
Analyze how the number of cycles differs when executing a direct vs. indirect addressing instruction.
Consider how many times memory is accessed in each case.
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