Brief paragraph needed: We know that the Pep/9 simulated hardware has 64K of memory. But, how is that memory used? Everything we've written so far has only been in "low" memory, never going much higher than 0x0030 or so. So what is all that other memory being used for? How does Pep/9 know how each area of memory should be used? Another consideration... We've only been using "global" variables. How are things going to change when we start using "local" variables? What's the difference in how they're handled? (Hint: Think "stack".)
Brief paragraph needed: We know that the Pep/9 simulated hardware has 64K of memory. But, how is that memory used? Everything we've written so far has only been in "low" memory, never going much higher than 0x0030 or so. So what is all that other memory being used for? How does Pep/9 know how each area of memory should be used? Another consideration... We've only been using "global" variables. How are things going to change when we start using "local" variables? What's the difference in how they're handled? (Hint: Think "stack".)
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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Brief paragraph needed:
We know that the Pep/9 simulated hardware has 64K of memory. But, how is that memory used? Everything we've written so far has only been in "low" memory, never going much higher than 0x0030 or so. So what is all that other memory being used for? How does Pep/9 know how each area of memory should be used? Another consideration... We've only been using "global" variables. How are things going to change when we start using "local" variables? What's the difference in how they're handled? (Hint: Think "stack".)
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