There was no wind outside, the weather was very good, the sun was hanging lazily in the eastern sky, Zhang Lexing walked out of the house and gently closed the door. The dormitory area is a large bungalow, along the road on both sides, Zhang Lexing along the road between the bungalows walked briskly to the factory, planning to go in and around, to see if there are any good opportunities. The dormitory is not far from the factory, Zhang Le walked for ten minutes to the factory gate, the factory gate hung "state-owned Hongwei Machinery Factory" several big words, these words look some years, with a lot of mottled traces. In the communication room next to the door, the gray-haired doorman Li Bo was sitting in a chair reading a newspaper, occasionally looking up to look out. When Zhang Le walked to the door, Li Bo just raised his head.

After looking up and down for a while, Li Bo asked, "Oh, it's Lexing." Why did you think of coming to the factory today, something happened?"

"Uncle Li, I'm here to find Uncle Zhao, is the other person in the factory?" Zhang Lexing casually found a reason.

"Well...... Li Bo scratched his hair and thought for a while, and then said: "I saw him come in the morning, and then I have been sitting here, and I haven't seen him go out, so he should still be in the factory." ”

"Thank you, Uncle Li, then I'll go in and find Uncle Zhao. Zhang Lexing happily ran into the factory.

Uncle Zhao is a neighbor of Zhang Lexing's family, and the relationship between the two families has always been good, and they often visit each other when they have nothing to do. Uncle Zhao is responsible for managing the computer room in the factory, but now the computer is still very primitive, Zhang Lexing has no hope at all, and the reason why he plays the banner of Uncle Zhao is mainly to facilitate him to sneak into the factory.

The factory area is very huge, and Zhang Lexing has never figured out what the factory does in his previous life, but the experience of sneaking into the reading room some time ago has given him a certain understanding of the roads in the factory. According to the previous impression, Zhang Lexing groped his way forward in the factory area, turned a few corners, and when he passed a small white two-story building, suddenly there was a shout from upstairs.

"Lexing, why are you going?"

Zhang Lexing looked in the direction where the voice came, it was really a coincidence, it was actually Uncle Zhao.

"Uncle Zhao, what a coincidence. I was very bored at home, and I walked around the factory casually. Zhang Lexing shouted upstairs.

"Come up," Uncle Zhao beckoned upstairs and said, "There is no one here today, let's go to Uncle Zhao's place to play." ”

Although Zhang Lexing was not interested in Uncle Zhao's computer, it was not easy to excuse himself in this situation, so he could only pretend to be happy and go upstairs. As soon as he arrived on the second floor, Uncle Zhao enthusiastically came over and grabbed Zhang Lexing's arm, dragged him and walked into the house.

As soon as he walked into the door of the computer room, Zhang Lexing found that it was a little different from usual, usually there were two or three staff members in white coats, but today there was no one, maybe this was why Uncle Zhao asked him to come in to play. Changing shoes and wearing white coats, Zhang Lexing and Uncle Zhao walked into the computer room together, and put a few devices covered with white cloth on the desk against the wall. Uncle Zhao came to a desk and lifted the white cloth, revealing the computer underneath. Zhang Lexing leaned in and took a look, the words on the nameplate on the computer panel were a little blurred, and the model could not be seen clearly, but the appearance was still very different from the computer shape he was familiar with. This computer doesn't have a floppy drive, a panel full of indicators replaces the display, and even the keyboard keys look very different, Zhang Lexing doesn't have to think much to understand, the instruction set of this computer is definitely not familiar to him, and in the case of such an unintuitive output, debugging the program is probably also a painful thing.

Maybe it was because of some experience during this time, Uncle Zhao turned out a stack of densely written paper with great interest, and began to work the keyboard to knock up, busy for more than ten minutes, and the indicator light on the panel began to flash regularly.

"Well, it's kind of funny. Uncle Zhao said with some pride.

Zhang Lexing had no choice but to nod again and again, pretending to be shocked. Uncle Zhao, who received the satisfactory result, lowered his head and once again indulged in keyboard input. Zhang Lexing felt a little bored, so he slowly walked around the room to see if there would be anything else interesting, and soon his eyes were attracted by the several cardboard boxes piled up in the corner of the supplies.

Zhang Lexing came to the side of the box and squatted down to look at it carefully. The outside of the carton is printed with "APP...... The word "Computer" seems to have something to do with computers, but unfortunately the other words are either covered or blurry, and it is impossible to see what it is.

"Uncle Zhao, what is this?" Zhang Lexing asked Uncle Zhao curiously.

Uncle Zhao glanced up and said, "Oh, this." It should have been brought back by the factory leaders from a foreign inspection, and it is said to be the most advanced computer abroad. It's a pity that no one will use it when they move back, the information in the package is all in foreign languages, and no one in the factory can understand it, even the two college students who came to the factory last year did not understand it. I had no choice but to pile it up like this first. ”

"Uncle Zhao, it's a pity to pile it up like this. Zhang Lexing said regretfully, "Well, can I take a look?"

"This, um......" Uncle Zhao thought for a while and advised: "Okay, it's okay to take a look, but don't break it, or I won't be able to explain it in the factory." ”

"Okay, okay, Uncle Zhao, I will definitely be careful. Zhang Lexing hurriedly agreed, and then couldn't wait to start opening the carton.

The cardboard boxes were opened one by one, Zhang Lexing looked at it, there were quite a lot of things inside, a square monitor, a floppy drive with colored apples printed on it, a large one that seemed to be the host's Dongdong, and a few boxes of floppy disks (there was a box of floppy disks marked with some words on it, which looked like random software, and the other boxes of floppy disks were not marked with anything, it looked like blank disks), and a bunch of random information in English. Zhang Lexing thought for a while, moved out the Dongdong that looked like a host, and found that a colorful apple was also printed on it, and there were a few words "AppleII" next to it.

"Could this be the legendary Apple II?" Zhang Lexing was excited in his heart, and worked harder to move things out of the box. Plugging in the monitor and floppy drive, a decent Apple II computer appeared in front of him.

"I remember that the Apple II didn't come to China so early, is it because I came back and had an impact on the world?" Zhang Lexing pondered endlessly: "Whatever, it's better than nothing, at least the Apple II is much better than those antiques." ”

Zhang Lexing stretched out his hand and turned on the power of Apple II, because he did not plug in the system floppy disk, he quickly entered the BASIC state, and it was also a super environmentally friendly green screen. Zhang Lexing casually tried a few commands, and sure enough, it was the same as the Apple II in his memory.

Zhang Lexing became interested all of a sudden, turned out the random information from the box, looked at it a little, and found that it was quite comprehensive. There are "6502 Assembly Manual", "ROM-BASIC User Guide", "APPLEDOS User Guide", etc., but they are all in English, so it is no wonder that the factory has not used them. Zhang Lexing suddenly felt how precious it was to study the Apple II before he came back, so that he had an in-depth understanding of the instruction system of the Apple II, and now as long as he looks at the random information, he can make full use of this Apple II.

He was in a happy mood here, but Uncle Zhao was starting to get nervous over there, especially when he saw Zhang Lexing opening the cover when he installed the floppy drive, Uncle Zhao was so anxious that he couldn't help but say: "Lexing, be careful, don't break it." ”

Seeing the computer start, Uncle Zhao said with some surprise: "Lexing, you are really good, you can start the computer with a few tinkering sessions." Well, when I first got it back last time, it was the same screen after starting, but it won't be used after that. Hey, that box was also connected? It turns out that two college students can't get it for a long time, you have to be careful. ”

"Uncle Zhao is fine, I carefully looked at the random information. Zhang Lexing said with confidence. However, his words obviously didn't seem to have much effect, and Uncle Zhao was still wandering around with a worried face. Zhang Lexing easily pulled out APPLEDOS from the random software, inserted the floppy drive, restarted the computer, and after a while, the system entered the APPLEDOS command line.

"Eh, I don't think I saw it last time. Uncle Zhao curiously leaned over and took a closer look.

Zhang Lexing smiled and said, "Uncle Zhao, this is the operating system mentioned in the pile of materials, and the one that boots in directly is called ROM-BASIC, and the two functions are different." ”

"Oh, I see. Uncle Zhao nodded as if he understood something.

Zhang Lexing tried a few command-line operations, which were similar to those in memory, and then restarted the computer to enter BASIC, and then switched to the assembly state. While referring to the "6502 Compilation Manual" while recalling, Zhang Lexing compiled a test applet. AFTER THE PROGRAM WAS LAUNCHED, A "SYSTEMTESTING......" PROMPT APPEARED ON THE GREEN SCREEN, AND AFTER A WHILE THE TEST RESULTS CAME OUT. The following results are displayed on the computer screen:

COMPUTER：APPLE－II

CPUModel：6502

CPUSPEED：1MHz

MEMORY(KB)：48

…………

It looks pretty good, and this configuration is already good for the Apple II at this time, which is similar to the Apple II+ in his impression.

Looking at Zhang Lexing's skillful operation, Uncle Zhao was at a loss, not knowing what he was doing, but he felt as if he was very familiar with the computer, and couldn't help asking: "Lexing, what are you doing?" ”

"Oh, Uncle Zhao, I'm testing the computer. Zhang Lexing casually explained: "I read all of this from random information. ”

Of course, this is just Zhang Lexing's excuse, otherwise he would not be able to explain why he is suddenly so familiar with this new computer.

"But this is all foreign language, can you understand it?" Uncle Zhao was still a little strange.

"Oh, I taught myself this, and it's pretty much the same. Seeing that Uncle Zhao was a little suspicious, Zhang Lexing had no choice but to prevaricate.

"yes, I haven't heard of it at all. Uncle Zhao still had some doubts.

"Uncle Zhao, this is my secret, I originally wanted to show it in front of my parents, but unfortunately I never had a chance again. Zhang Lexing had no choice but to use his deceased parents as a shield, but his eyes turned red uncontrollably.

Seeing this, Uncle Zhao couldn't ask any more questions, and the matter would be over.

This opportunity is good in front of him, Zhang Lexing hopes to find an excuse to often come to the computer room to use this Apple II, he began to think about what to do, "Come directly with Uncle Zhao every day, this is not good, if it is seen by the leader, the number of times, Uncle Zhao may be criticized, after all, computers are still very rare." Is there a good way to come to this computer room often without being gossiped about?"

Suddenly, a flash of inspiration flashed in Zhang Lexing's mind, "Well, since this computer hasn't been used yet, why don't I make a fuss about it." For example, to get a BASIC user guide or something, I can refer to that random information, just translate it. The BASIC language on Apple is relatively simple, so it shouldn't be too difficult, so I only need to write a manual every afternoon, and I can set aside this computer in the morning, which is the best computer I can find so far, maybe I'll be lucky enough to design something. ”

Then it's easy, talk to Uncle Zhao about studying the use of Apple computers and writing BASIC operation manuals, although Uncle Zhao was a little hesitant at first - it is estimated that he has no confidence in Zhang Lexing, and there is no way who will make him so young - fortunately, after Zhang Lexing's continuous persuasion and encouragement, plus Uncle Zhao may also want to make some achievements, he finally agreed with him and prepared to start tomorrow.

As for the rest of the day, it was naturally occupied by Zhang Lexing on the grounds of studying computers. Master, time is precious!

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