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Chapter 7 Design

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    Guan Fei was well aware of his boss's disdain, but he didn't bother to pay attention to it. His abilities were beyond the imagination of these people who had never seen the world.  They have a lot to buy on this trip, including electronic components, accessories, circuit boards, integrated circuits, central processing units, slots, data connections, high-precision oscilloscopes, multimeters, soldering irons, etc.  In addition, I also went to the chemical store to buy some chemicals and powders, and went to the furniture market to buy a batch of boards such as 19 mm thick particleboard, as well as woodworking tools.  Because there were too many things, Guan Fei simply rented a small truck temporarily and followed them around with the goods to purchase various needed items.  By the time we returned to our temporary warehouse, it was already evening.  Together with everyone else, Guan Fei moved the purchased items out of the car and put them into the house by category. Larger items such as particle boards were put into the warehouse.  "I'll take a rest first. Call me later during dinner." He poured a glass of water, showing a hint of fatigue.  "I know." The others exited the room, Zhou Xiaoyun gently closed the door, and everyone left talking and laughing in low voices.  In order to leave enough quiet space for the brigade commander to rest, they all went downstairs and gathered in the warehouse to watch TV and laugh.  Hearing the sound, Guan Fei left and went downstairs. The fatigue on his face was wiped away. He took off his shoes and went to bed, lay down comfortably and closed his eyes.  ¡°Turn off unnecessary auxiliary functions and start the circuit design module.¡± He thought silently in his mind.  A point of light flashed in the dark background. The point of light quickly expanded, opening up a square light curtain in his mind.  The light curtain looks very thin, like a piece of gauze, emitting a shimmer of light. Although it is not dazzling, it is clear enough.  "Calling out basic template one." A complex circuit diagram appeared on the light screen, with hundreds of densely packed components and lines crisscrossing it, making it dazzling.  "Call the components purchased today, compare them with the template, and replace the components that are not on the original template with the purchase list to generate a new template." After the order was given, components flew out from the rear right of the field of view and landed on the circuit diagram.  As some replacement original components fell, the circuit diagram also changed rapidly, and it was quickly fixed to generate a brand new circuit diagram.  The computing power of quantum computers is far better than that of biological computers, but in the end humans chose biological computers as auxiliary computing tools integrated into the human body.  There are two reasons for this.  First, its biological characteristics are incompatible with the original cells of the human body. It generates dense synapses on the cerebral cortex and uses the original unactivated brain cells of the brain to form groups without occupying more cavities in the body.  Normal brain cells cannot be regenerated in adulthood. As people age, their thinking activity will gradually decrease, and in severe cases, it will be accompanied by Alzheimer's disease.  However, the biological accessory brain can produce new brain cells to replace old brain cells after they die, allowing humans to always be at the peak of their thinking.  The second is its fuzzy logic judgment function, which can accurately judge unclear and ambiguous instructions of the host, thereby accurately achieving human intended purposes.  Through the thought wave receiving device, human beings can control various intelligent tools like arms and fingers just like commanding their own bodies.  Guan Fei does not need to design the circuit one-on-one. As long as the corresponding template is determined, the biological assistant brain can automatically generate the circuit diagram based on the components.  His original template is the classic arcade game "Space Invaders" that will be launched next year by Space-Time Taidong Company.  The processor used in the original circuit board is 8080. This chip was developed by Intel in 1974 and has a main frequency of 2 MHz.  Guan Fei did not plan to replace it at first, but Intel has always only sold its chips to corporate customers, and there is no retail bulk product on the market.  And he asked his boss that Intel's products are extremely expensive. One 8080 costs as much as 147 US dollars. According to the current price of Hong Kong dollars and US dollars of 5.8 to 1, one chip costs 852 US dollars.  Hong Kong dollars!  He doesn¡¯t have that much money to burn!  The most expensive parts of an arcade machine are mainly the color picture tube, processor, write-once memory, and data exchange memory. The picture tube cost him one thousand one thousand, and the 12K write-once memory cost him two hundred and forty.  Eight Hong Kong dollars, which adds up to one thousand three hundred dollars. If the processor costs more than eight hundred Hong Kong dollars, it will be two thousand one hundred and two.  Other components such as printing circuit boards, various general -purpose components, box wood, joysticks, buttons, etc. need to be processed by other factories. Isn't the cost of an arcade machine nearly three thousand?  ¡°This does not include the future opening of the factory. Workers¡¯ wages and factory rent will all be added together, and the cost will be as high as 4,000!  This is Guan Fei¡¯s first product. In the early days when there was no reputation and a sales network was not established, the sales volume was definitely not high.  Since it is a circleOf course, you must ensure that you get the highest profit for every unit you sell.  Think about the game Space Invaders again. The reason for its popularity is mainly due to its groundbreaking design rather than its performance.  Early arcade machines had terrible performance!  Therefore, he gave up the 8080 and chose Motorola's 6502 as the central processor.  The 6502 is also an eight-bit processor. It came out a year later than the 8080. The initial main frequency was the same as the 8080, which was two megahertz.  But its price is much gentler than that of 8080. It only costs 25 US dollars, which is equivalent to 145 Hong Kong dollars, only one-sixth of that of 8080, and there are no purchase restrictions!  No wonder Steve Jobs chose it as the central processor when he founded Apple. Needless to say, it was cheap and he didn¡¯t need to be bullied by Intel¡¯s store.  "Start wiring and generate a printed circuit board." The biological assistant brain checked the circuit logic and determined that there was no conflict in the circuit, then Guan Fei ordered to generate a printed circuit diagram.  Although the printed circuit diagram is the wiring diagram of the circuit diagram, it is not just a matter of moving the circuit diagram onto the printed circuit board.  When actually wiring, it is necessary to consider various factors such as the interference of adjacent components, whether the device heat is accumulated, the width and length of the connection, and the ease of maintenance and disassembly. In the modern electronics industry, it is a specialized knowledge.  If Guan Fei had no biological accessory brain to assist him and had to design it on his own, he would not be able to get it in a month or two given his unfamiliarity with the characteristics of components of this era.  Of course, everything would be simple if there was a biological accessory brain.  With one command, a complete printed circuit diagram appeared in my mind.  The circuit problem has been solved, but not everything is fine. Next, the source code of Space Invaders in the database must be recompiled.  The source code of this game was written for 8080. Since the processor has been changed, the source code must of course be rewritten.  Moreover, certain changes have been made to the video circuit, audio circuit, data exchange, etc., so the source code will naturally need to be significantly modified in response to the changes in the circuit.  ¡°It¡¯s a revision, which is almost equivalent to writing it all over again.  In this era, transferring the program on this computer to another model of computer is called transplantation. You must be familiar with the differences between the two circuits, processor instructions, data exchange, and many other issues. If you don't pay attention,  Conflicts will occur, causing various situations such as crashes and running errors. The difficulty can be imagined.  Fortunately, fortunately, there is a biological secondary brain!  Guan Fei was lucky again.  In this era, limited by computer performance, game programs are still too short and concise. Space Invaders, a classic masterpiece in the history of games, is only 11K bytes in length.  Before Guan Fei came to his senses, the program had been recompiled, and lines of code were flowing down in front of his eyes like a waterfall.  In his thinking state, Guan Fei reacted very quickly. He found that the biological assistant brain was worthy of being a master of fuzzy logic judgment. Not only did he recompile the source code, he also changed the copyright information and production company, calling it his future  The company is going to be named Taiyu Technology.  The company LOGO is a Tai Chi diagram, clear in black and white, simple and eye-catching.  Anyway, there is no copyright in the Tai Chi diagram, so if you misappropriate it, you will misappropriate it.  Didn¡¯t it mean that computers were inspired by Tai Chi? Then why not just use Tai Chi as the company logo?  People in South Korea have stolen the Tai Chi diagram as their national flag. Isn¡¯t it more natural for all Chinese people to use the Tai Chi diagram as their company logo?  Not convinced?  If you dare, bite me!  Guan Fei jumped up from the bed. He modified the circuit, generated the printed diagram, and recompiled the source code. It seemed like a lot of things, but in fact it only took a few seconds. It can be said that he just lay down.  Get down and get up.  This pediatric design does not consume much bioenergy at all.  I think before he time traveled, when he was responsible for game planning and design in the company, hundreds of engineers in the company would sit together and each design a functional module.  Then through the thinking network, the modules are integrated on the company's biological host, and then the quantum host makes logical judgments.  The ported version of Space Invaders he just built has a little bit of computing power, which is less than one ten thousandth of the normal work, so it¡¯s nothing.  Lying down was just a result of his years of working habits. When there was an emergency, he would just stand in front of others, blink and everything would be settled.  When you show off in the future, you can try it Guan Fei got up, dug out the drawings he bought today, found the drawing pen and ink, sat down at the desk, unfolded the drawings, and without thinking, dipped in the ink and quickly drew  Draw it up.  The picture he drew was not a circuit diagram, nor a printed diagram, but an exploded view of the game console's frame. ? Arcade machines started in 1971. In the early days, everyone had no idea, and they were trying to improve little by little.The designs are also bizarre.  For example, the earliest "ping pong" looked very weird.  Historically, the Space Invaders game, which was supposed to be released next year, was originally designed to be in the shape of a flat table because it was promoted in restaurants and other places.  The monitor is placed vertically under a glass panel, and when customers are bored, they can throw in a coin or two to play with it.  But this design has a fatal flaw, that is, if you play games with your head at a 90-degree angle for a long time, your neck will hurt after just one game.  In the later version, Taitong Company launched a vertical model. The monitor is tilted 45 degrees in front of the player, so players can play while standing.  Later, considering that players would get tired if they stood for a long time, it was changed to a half-height vertical model, which reduced the height of the arcade so that players could play while sitting.  Guan Fei is not planning to design a half-height vertical body yet, but an ordinary vertical body.  When a company is starting up, it is not necessary to come up with the best design at the beginning. It can also make users feel that the company is considerate and attentive to users step by step, and it is good to win a little favor.  A few more innovative designs can also establish the company's image in the industry.  You¡¯ve made money and gained fame, so why not do it?
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