Randam numbers

An unbreakable encryption has got into the news in Japan recently. I checked the topics to see what’s going on as it roused my attention.
There is a famous encryption called one-time pad which lots of blogs talk about. It is proved to be unbreakable. But at the same time, it is a simple one. For [...]

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Foresight of my classmate

It might be lucky that I lost the paradise. Being absorbed in one thing should be avoided for a junior high school boy.
Then my interest went back to semiconductor element, that is hardware. I did not touch keyboards until I entered the university. Main reason was because I didn’t have a computer though
When [...]

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Haven in my youth

So, I stared to program games.
Most of my friends programed easy-style games such as reversi or StarTrek, but I developed real-time game such as aerial combat game. Yes I’ve been loving real-time games.
Of course I did not own my computer. I write down my program on papers at home and type the codes in [...]

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I thought I could develop “Astro Boy”

My first program was developed when I was a second grader of a junior high school. It was for participating in a programming contest of a Japanese computer magazine called I/O. The quesiotion was about 6502 assembler which was used in AppleII. I remember the answer should be written in hexadecimal.
I had never seen [...]

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