All Questions
Tagged with memory programming
4
questions
27
votes
7
answers
7k
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Did anyone ever run out of stack space on the 6502?
Unlike its main rival the Z80, the 6502 had a size limit of 256 bytes for the hardware stack. That sounds like a very tight limit, but in my experience, it was never actually an issue; by the time you ...
- 63.1k
2
votes
2
answers
284
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Why isn't this invocation of XMS function Move EMB 0Bh in Turbo C correct?
Following on from my last question, I cannot get Move Extended Memory Block (Function 0Bh) working in Turbo C 2.01.
The following main.c contains only the minimum functions: get the XMS driver pointer,...
- 12.6k
30
votes
7
answers
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How can you run a program that is bigger than RAM?
Suppose you have a program that is 218 words long. However you are using a 16 bit machine and have 216 words of RAM. (The RAM is directly addressed by the CPU). On the other hand, you have unlimited '...
- 2,005
19
votes
3
answers
5k
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Do you need to allocate memory before you use it in MS-DOS?
In modern operating systems (for example: Windows), you can't access a memory location before you allocate that memory location to your program (or else a segmentation fault will occur).
I am ...
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