genesis
发表于 2025-3-27 00:11:45
BASIC Number Crunching,Computers, like elephants, never forget. The computer keeps track of vast arrays of information. But unlike elephants, computers are very fast. They’re fast because the microprocessor is a real whiz at getting information in and out of memory.
沉思的鱼
发表于 2025-3-27 02:58:07
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全部
发表于 2025-3-27 08:49:15
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初次登台
发表于 2025-3-27 12:12:52
Graphics,The Commodore 64 supports some very sophisticated tools for graphics. In addition to the symbols accessible through the keyboard, you have many other ways to design bright pictures and animate your programs. Using the POKE command to control screen color and write symbols on the screen is just the beginning.
忘恩负义的人
发表于 2025-3-27 13:48:32
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你不公正
发表于 2025-3-27 21:02:35
Sound and Music,Among its many features, your Commodore 64 boasts a synthesizer on a chip. The chip is called SID, or Sound Interface Device, and with it, you can create sound and music.
Alienated
发表于 2025-3-27 23:09:30
Real-Time Graphics,We are now ready to learn how to move sprites around the screen. We will use two sprites in a program that can form the core of all kinds of adventure programs. Since our task has many components, we’ll have to be organized.
改正
发表于 2025-3-28 03:02:23
Microsurgery,Until now, we’ve been working with BASIC number variables, POKEing numbers into memory address registers to create video images. In this chapter, we’ll consider . and build a colorful holiday tree out of one particular string.
Spongy-Bone
发表于 2025-3-28 09:51:41
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Gullible
发表于 2025-3-28 13:44:13
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