对PL0原编译器进行了以下的扩充：1.增加以下保留字else(elsesym), for(forsym),to(tosym),downto(downtosym),return(returnsym),[(lmparen),](rmparen) 2.增加了以下的运算符：+=(eplus),-=(eminus),++(dplus),--(dminus) 取址运算符&(radsym),指向运算符@(padsym) 3.修改单词：修改不等号#为<> 4.扩充语句：(1)增加了else子句 (2)增加了for语句 5.增加运算：(1).++运算 (2).--运算；(3).+=运算 (4).-=运算；(5).&取址运算； (6).@指向运算； 6.增加类型：(1).增加多维数组a[i1][i2][i3]……[i(n-1)][i(n-2)][in] (2).增加指针类型(任何变量都能存放指针，但不支持指针的指针，如b:=@@a应该改写为c:=@a,b:=@c) 7.将过程procedure扩展为函数：(1).允许定义过程时在其后加参数(var a, var b,……..,var n) (2)允许通过指针向函数形式参数传地址；(3)允许返回值；可以用 a:=p(a,b,c….,n) 返回
标签： downtosym returnsym elsesym downto
上传时间： 2016-07-02
上传用户：saharawalker
This book is for you if You re no "dummy," and you need to get quickly up to speed in intermediate to advanced C++ You ve had some experience in C++ programming, but reading intermediate and advanced C++ books is slow-going You ve had an introductory C++ course, but you ve found that you still can t follow your colleagues when they re describing their C++ designs and code You re an experienced C or Java programmer, but you don t yet have the experience to develop nuanced C++ code and designs You re a C++ expert, and you re looking for an alternative to answering the same questions from your less-experienced colleagues over and over again C++ Common Knowledge covers essential but commonly misunderstood topics in C++ programming and design while filtering out needless complexity in the discussion of each topic. What remains is a clear distillation of the essentials required for production C++ programming, presented in the author s trademark incisive, engaging style.
标签： intermediate you quickly dummy
上传时间： 2014-01-09
上传用户：wpwpwlxwlx
7段数码显示译码器设计7段数码是纯组合电路，通常的小规模专用IC，如74或4000系列的器件只能作十进制BCD码译码，然而数字系统中的数据处理和运算都是二进制的，所以输出表达都是十六进制的，为了满足十六进制数的译码显示，最方便的方法就是利用译码程序在FPGA/CPLD中来实现。例子作为七段译码器，输出信号LED7S的7位分别接数码管的7个段，高位在左，低位在右。例如当LED7S输出为“1101101”时，数码管的7个段g、f、e、d、c、b、a分别接1、1、0、1、1、0、1；接有高电平的段发亮，于是数码管显示“5”。
上传时间： 2014-01-26
上传用户：1427796291
In term project, we will take the baseline JPEG codec in ARM-based platform system as an example to practice the design flow in SoC. We divide the project into three parts, and the goal of each part is described as follow. Part I: Design a baseline JPEG software codec in C/C++ and port it to ARM core,(ARM7TDMI, ARM720T, or ARM922T.) Part II: Make use of virtual prototype to integrate/verify the hardware and software. Part III: Verify your soft IP in target environment.
标签： ARM-based baseline platform project
上传时间： 2017-02-15
上传用户：363186
Organized in a practical problem-and-solution format, More Exceptional C++ picks up where the widely acclaimed Exceptional C++ leaves off, providing successful strategies for solving real-world problems in C++. Drawing from years of in-the-trenches experience, Herb Sutter provides tested techniques and practical solutions for programmers designing modern software systems with C++, from small projects to enterprise applications.
标签： problem-and-solution Exceptional Organized practical
上传时间： 2017-04-08
上传用户：zhuyibin
The attached zip includes a c code for initializing ILI9322 display chip used in many 3.5 TFT LCD devices. this is a SPI based initialization code in C which can be seamlessly ported to any architecture. I have also added the datasheet for easy reference
标签： initializing attached includes display
上传时间： 2017-04-09
上传用户：sy_jiadeyi
Organized in a practical problem-and-solution format, More Exceptional C++ picks up where the widely acclaimed Exceptional C++ leaves off, providing successful strategies for solving real-world problems in C++. Drawing from years of in-the-trenches experience, Herb Sutter provides tested techniques and practical solutions for programmers designing modern software systems with C++, from small projects to enterprise applications.
标签： problem-and-solution Exceptional Organized practical
上传时间： 2017-04-28
上传用户：阿四AIR
C is a general-purpose programming language. It has been closely associated with the UNIX operating system where it was developed, since both the system and most of the programs that run on it are written in C. The language, however, is not tied to any one operating system or machine and although it has been called a ``system programming language because it is useful for writing compilers and operating systems, it has been used equally well to write major programs in many different domains.
标签： general-purpose programming associated operating
上传时间： 2014-01-14
上传用户：我干你啊
The C++ Cookbook will make your path to mastery much shorter. This practical, problem-solving guide is ideal if you re an engineer, programmer, or researcher writing an application for one of the legions of platforms on which C++ runs. The algorithms provided in C++ Cookbook will jump-start your development by giving you some basic building blocks that you don t have to develop on your own.
标签： problem-solving practical Cookbook mastery
上传时间： 2017-06-07
上传用户：yph853211
This book has been written to support a practically oriented course in programming language translation for senior undergraduates in Computer Science. More specifically, it is aimed at students who are probably quite competent in the art of imperative programming (for example, in C++, Pascal, or Modula-2), but whose mathematics may be a little weak students who require only a solid introduction to the subject, so as to provide them with insight into areas of language design and implementation, rather than a deluge of theory which they will probably never use again students who will enjoy fairly extensive case studies of translators for the sorts of languages with which they are most familiar students who need to be made aware of compiler writing tools, and to come to appreciate and know how to use them. It will hopefully also appeal to a certain class of hobbyist who wishes to know more about how translators work.
标签： practically programming oriented language
上传时间： 2013-12-10
上传用户：我干你啊
