memory.cpp

00001 #include "mbed.h"
00002 #include "memory.h"
00003 
00004 Memory::Memory()
00005 {
00006     reset();
00007 }
00008 
00009 /*
00010  * Reset all memory locations to 0.
00011  */
00012 void Memory::reset()
00013 {
00014     for (int i = 0; i < Memory::MEMORY_SIZE; i++) {
00015         this->memory[i] = 0;
00016     }
00017 }
00018 
00019 /*
00020  * Store value in memory
00021  */
00022 void Memory::set(int address, int value)
00023 {
00024     if (address < Memory::MEMORY_SIZE) {
00025         this->memory[address] = value;   
00026     }
00027 }
00028 
00029 /*
00030  * Retrieve value from memory
00031  */
00032 int Memory::get(int address)
00033 {
00034     if (address < Memory::MEMORY_SIZE) {
00035         return this->memory[address];   
00036     } else {
00037         return 0;
00038     }
00039 }
00040 
00041 /*
00042  * Print current memory content to console
00043  */
00044 void Memory::print()
00045 {
00046     int i = 0, c = 0;
00047     while (i < Memory::MEMORY_SIZE) {
00048         c = (c + 1) % 4;
00049         printf("\t[%#04x]: %6d", i, this->memory[i]);
00050         if (!c) {
00051             printf("\r\n");
00052         }
00053         i++;
00054     }
00055 }