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HOW MANY MAXIMUM BASE REGISTERS WE CAN HAVE IN A PROGRAM
AND ALSO HOW MANY MAXIMUM BASE REGISTERS WE CAN HAVE IN A
SINGLE PROGRAM.
- 5 Answers
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Answer / steve holton
There are 16 registers, and ALL can be used as a base EXCEPT
for register 0, so the answer is AT LEAST 15. AT LEAST is
specified here because in any section of code, you can
"re-use" a previous base register once you are no longer
within the original address range ("scope") of that
particular base register. By re-using the registers, you can
have base registers that will cover ALL of the memory in the
machine - but not all at once - you have to "bite off" 15
base reg-at-a-time chunks of memory (all addressable memory
does not have to be contiguous - it can be scattered around
memory in 4K pieces).
| Is This Answer Correct ? | 21 Yes | 0 No |
Answer / dave grund
The more correct answer is:
You can use as many base registers as are available (unused).
This is a vague question, and I hesitate to speculate on the intent.
| Is This Answer Correct ? | 9 Yes | 0 No |
Answer / ken paek
no limitation within r3 to r12 as long as they are
available (not used).
| Is This Answer Correct ? | 6 Yes | 5 No |
Answer / rdm
Any Register between R2 to R12 can ONLY be used as Base
Registers; Other Registers are reserved by the System.
| Is This Answer Correct ? | 6 Yes | 5 No |
Answer / santhosh vayathuri
we can use maximum 3 base registers for one program
| Is This Answer Correct ? | 2 Yes | 25 No |
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