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25 lines
991 B
Plaintext
25 lines
991 B
Plaintext
// This file is part of www.nand2tetris.org
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// and the book "The Elements of Computing Systems"
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// by Nisan and Schocken, MIT Press.
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// File name: projects/5/Computer.hdl
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/**
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* The Hack computer, consisting of CPU, ROM and RAM.
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* When reset = 0, the program stored in the ROM executes.
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* When reset = 1, the program's execution restarts.
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* Thus, to start running the currently loaded program,
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* set reset to 1, and then set it to 0.
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* From this point onwards, the user is at the mercy of the software.
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* Depending on the program's code, and whether the code is correct,
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* the screen may show some output, the user may be expected to enter
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* some input using the keyboard, or the program may do some procerssing.
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*/
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CHIP Computer {
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IN reset;
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PARTS:
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CPU(inM=inM, instruction=instruction, reset=reset,
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outM=outM, writeM=writeM, addressM=addressM, pc=pc);
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Memory(in=outM, load=writeM, address=addressM, out=inM);
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ROM32K(address=pc, out=instruction);
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} |