What about instructions that lose information?

Question

JavaScript

Thomas

What about instructions that lose information?

0

20.03.2024

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Thomas Автор вопроса

Perlik Yubenji
give an example of one instruction

store 42 into <address>

0

1 месяц назад

Perlik Yubenji

Thomas
store 42 into <address>

the code will ask to be assigned the address. So your code doesn't know about the address beforehand If it wants a very specific address, the program will need to have that in the code.

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1 месяц назад

Thomas Автор вопроса

Perlik Yubenji
the code will ask to be assigned the address. So y...

That doesn't matter, let's say: store 42 into 0x1000

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1 месяц назад

Perlik Yubenji

Thomas
That doesn't matter, let's say: store 42 into 0x10...

it won't have same problem as the instructions are finite.

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1 месяц назад

Thomas Автор вопроса

Perlik Yubenji
it won't have same problem as the instructions are...

wdym? It has the same problem that it's not possible to run this in reverse and restore the previous value stored in 0x1000

0

1 месяц назад

Perlik Yubenji

Thomas
wdym? It has the same problem that it's not possib...

it is possible let's take example of following simple dumb instructions mov r1, 4 mov r2, 5 add sum, r1, r2 // add r1 & r2 and store it in sum If you are given the value of memory address of sum and immediate previous instructions executed, it should be easy to come up with same exact code. Because even if there is a memory overwrite, the instructions are not appearing out of nowhere.

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1 месяц назад

Thomas Автор вопроса

Perlik Yubenji
it is possible let's take example of following sim...

Стикер

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1 месяц назад

Perlik Yubenji · Accepted Answer

Perlik Yubenji

give an example of one instruction

0

1 месяц назад

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What about instructions that lose information?

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