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Published byMae Johnston Modified over 9 years ago
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Memory Addressing Techniques
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Immediate Addressing involves storing data in pairs with immediate values register pairs:
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Immediate Addressing ~ Examples #1 ~ load the B register with 12 and the C register with 34
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Immediate Addressing ~ Examples #2 ~ load the D register with 54 and the E register with 32
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Immediate Addressing ~ Examples #3 ~ load the H register with 45 and the L register with 67
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Direct Addressing assigns the contents of a memory location to a register what we have seen so far
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Direct Addressing ~ Examples #1 ~ load the accumulator with the contents of address 1234
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Direct Addressing ~ Examples #2 ~ store the contents of the accumulator at address ABCD
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Indirect Addressing involves loading and storing information in the accumulator information in the accumulator is received from register pairs
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Indirect Addressing ~ Examples #1 ~ store the contents of registers B and C in the accumulator
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Indirect Addressing ~ Examples #2 ~ load the accumulator with FF and store the contents of the accumulator at memory location 2040
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