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Assembly language addressing mode
2022-07-06 17:02:00 【My71】
Immediate addressing
Definition : The addressing method of the source operand immediate is called immediate addressing .
example
mov ax,5
Direct addressing
Definition : From memory according to the address ( Memory ) Looking for data in .
example
mov ax,a
Register addressing
Go directly to the register to find data according to the register name .
Register indirection
- adopt lea Store the address in the register , Re pass [ register ] Find the data in the address , This method is called register indirection , Indirect addressing for short .
- Available registers include :BX、BP、SI、DI Only the above 4 individual , Nothing else .
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