What was the first Intel x86 processor with “Base + Index * Scale + Displacement” addressing mode?LCD...
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What was the first Intel x86 processor with “Base + Index * Scale + Displacement” addressing mode?
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As the title says, what's the first x86 processor from Intel that supports the following addressing mode?
mov %reg, 8(base, index, 4)
^^^^^^^^^^^^^^^^^
where the content of %reg will be stored to the address base + 4*index + 8 (both base and index are registers).
I only know that 8086 doesn't support this and 80586 supports this. I'm guessing it's 80386 because it's the first 32-bit x86 Intel CPU?
intel x86
asked 4 hours ago
iBugiBug
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As the title says, what's the first x86 processor from Intel that supports the following addressing mode?
mov %reg, 8(base, index, 4)
^^^^^^^^^^^^^^^^^
where the content of %reg will be stored to the address base + 4*index + 8 (both base and index are registers).
I only know that 8086 doesn't support this and 80586 supports this. I'm guessing it's 80386 because it's the first 32-bit x86 Intel CPU?
intel x86
asked 4 hours ago
iBugiBug
1112
New contributor
iBug is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
add a comment |
As the title says, what's the first x86 processor from Intel that supports the following addressing mode?
mov %reg, 8(base, index, 4)
^^^^^^^^^^^^^^^^^
where the content of %reg will be stored to the address base + 4*index + 8 (both base and index are registers).
I only know that 8086 doesn't support this and 80586 supports this. I'm guessing it's 80386 because it's the first 32-bit x86 Intel CPU?
intel x86
asked 4 hours ago
iBugiBug
1112
New contributor
iBug is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
As the title says, what's the first x86 processor from Intel that supports the following addressing mode?
mov %reg, 8(base, index, 4)
^^^^^^^^^^^^^^^^^
where the content of %reg will be stored to the address base + 4*index + 8 (both base and index are registers).
I only know that 8086 doesn't support this and 80586 supports this. I'm guessing it's 80386 because it's the first 32-bit x86 Intel CPU?
intel x86
intel x86
asked 4 hours ago
iBugiBug
1112
New contributor
iBug is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
asked 4 hours ago
iBugiBug
1112
New contributor
iBug is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
asked 4 hours ago
iBugiBug
1112
New contributor
iBug is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
asked 4 hours ago
iBugiBug
1112
asked 4 hours ago
iBugiBug
1112
1112
New contributor
iBug is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
New contributor
iBug is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
iBug is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
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add a comment |
1 Answer
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This addressing mode was introduced with the first 32-bit x86 processor, i.e. the 80386.
Ref: 80386 Programmer's reference manual sec 2.5.3.2.
answered 4 hours ago
alephzeroalephzero
2,6011816
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1 Answer
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1 Answer
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This addressing mode was introduced with the first 32-bit x86 processor, i.e. the 80386.
Ref: 80386 Programmer's reference manual sec 2.5.3.2.
answered 4 hours ago
alephzeroalephzero
2,6011816
add a comment |
This addressing mode was introduced with the first 32-bit x86 processor, i.e. the 80386.
Ref: 80386 Programmer's reference manual sec 2.5.3.2.
answered 4 hours ago
alephzeroalephzero
2,6011816
add a comment |
This addressing mode was introduced with the first 32-bit x86 processor, i.e. the 80386.
Ref: 80386 Programmer's reference manual sec 2.5.3.2.
answered 4 hours ago
alephzeroalephzero
2,6011816
This addressing mode was introduced with the first 32-bit x86 processor, i.e. the 80386.
Ref: 80386 Programmer's reference manual sec 2.5.3.2.
answered 4 hours ago
alephzeroalephzero
2,6011816
answered 4 hours ago
alephzeroalephzero
2,6011816
answered 4 hours ago
alephzeroalephzero
2,6011816
answered 4 hours ago
alephzeroalephzero
2,6011816
2,6011816
add a comment |
add a comment |
iBug is a new contributor. Be nice, and check out our Code of Conduct.
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