Popravil fileDevice.cpp tako da dejansko naredi datoteke, če še ne obstajajo
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Timon
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270 changed files with 104 additions and 74 deletions
324
ass2/machine.cpp
324
ass2/machine.cpp
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#include <array>
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#include <stdexcept>
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#include "machine.h"
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#include "device.h"
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#include "inputDevice.h"
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#include "outputDevice.h"
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#include "fileDevice.h"
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#include "opcode.h"
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#include <memory>
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#include <iostream>
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#include <functional>
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#include <sstream>
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using namespace std;
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machine::machine() {
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registri.fill(0); //konstruktor -> vsi registri so 0 na zacetku
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naprave[0] = make_unique<InputDevice>(cin); //0 = std vhod
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naprave[1] = make_unique<InputDevice>(cout); //1 = std izhod
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naprave[2] = make_unique<InputDevice>(cerr); //2 = std izhod za napake
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for (int i = 3; i < 256; i++) { //inicializacija ostalih naprav
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string fname = "file" + to_string(i) + ".dat";
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naprave[i] = make_unique<fileDevice>(fname);
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}
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ukaziF2 = {
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{"ADDR", [&](int r1, int r2){setReg(r2, getReg(r1)+getReg(r2)); return true;}},
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{"SUBR", [&](int r1, int r2){setReg(r2, getReg(r2)-getReg(r1)); return true;}},
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{"MULR", [&](int r1, int r2){setReg(r2, getReg(r2)*getReg(r1)); return true;}},
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{"DIVR", [&](int r1, int r2){setReg(r2, getReg(r2)/getReg(r1)); return true;}},
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{"CLEAR", [&](int r1, int){setReg(r1, 0); return true; }},
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{"COMPR", [&](int r1, int r2){int v1 = getReg(r1), v2 = getReg(r2);
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if (v1 < v2) setSW(CC_LT);
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else if (v1 == v2) setSW(CC_EQ);
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else setSW(CC_GT);
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return true;}},
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{"RMO", [&](int r1, int r2){setReg(r2, getReg(r1)); return true;}},
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{"SHIFTR", [&](int r1, int n){int val = getReg(r1);setReg(r1, val >> n);return true;}},
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{"SHIFTL", [&](int r1, int n){int val = getReg(r1);setReg(r1, val << n);return true;}},
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{"TIXR", [&](int r1, int){int x = getX()+1; setX(x); int v2 = getReg(r1);
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if (x < v2) setSW(CC_LT);
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else if (x == v2) setSW(CC_EQ);
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else setSW(CC_GT);
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return true;}},
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};
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ukaziSICF3F4 = {
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{"ADD", [&](int m){setA(getA()+getWord(m)); return true;}},
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{"SUB", [&](int m){setA(getA()-getWord(m)); return true;}},
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{"MUL", [&](int m){setA(getA()*getWord(m)); return true;}},
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{"DIV", [&](int m){if(getWord(m) == 0) divisionByZero();setA(getA()/getWord(m)); return true;}},
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{"AND", [&](int m){setA(getA()&getWord(m)); return true;}},
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{"OR", [&](int m){setA(getA()|getWord(m)); return true;}},
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{"COMP", [&](int m){int a = getA(); int b = getWord(m);
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if (a < b) setSW(CC_LT);
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else if (a == b) setSW(CC_EQ);
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else setSW(CC_GT);
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return true;}},
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{"J", [&](int m){setPC(m); return true;}},
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{"JEQ", [&](int m){if (getSW() == CC_EQ){setPC(m);}
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else {setPC(getPC()+1);} return true;}},
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{"JGT", [&](int m){if (getSW() == CC_GT) {setPC(m);}
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else {setPC(getPC()+1);} return true;}},
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{"JLT", [&](int m){if (getSW() == CC_LT){setPC(m);}
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else{setPC(getPC()+1);} return true;}},
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{"JSUB", [&](int m){setL(getPC()); setPC(m); return true;}},
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{"RSUB", [&](int m){setPC(getL()); return true;}},
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{"LDA", [&](int m){setA(getWord(m)); return true;}},
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{"LDB", [&](int m){setB(getWord(m)); return true;}},
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{"LDT", [&](int m){setT(getWord(m)); return true;}},
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{"LDX", [&](int m){setX(getWord(m)); return true;}},
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{"LDS", [&](int m){setS(getWord(m)); return true;}},
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{"LDL", [&](int m){setL(getWord(m)); return true;}},
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{"LDCH", [&](int m){setA(getByte(m)); return true;}}, //POPRAVIT
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{"STA", [&](int m){setWord(m, getA()); return true;}},
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{"STB", [&](int m){setWord(m, getB()); return true;}},
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{"STT", [&](int m){setWord(m, getT()); return true;}},
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{"STX", [&](int m){setWord(m, getX()); return true;}},
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{"STL", [&](int m){setWord(m, getL()); return true;}},
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{"STS", [&](int m){setWord(m, getS()); return true;}},
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{"STCH", [&](int m){setByte(m, getA()); return true;}}, //POPRAVIT
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{"TIX", [&](int m){setX(getX()+1);
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if (getX() < getWord(m)) setSW(CC_LT);
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else if (getX() == getWord(m)) setSW(CC_EQ);
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else setSW(CC_GT);
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return true;}},
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{"WD", [&](int m){return true;}},//POPRAVIT
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{"RD", [&](int m){return true;}},//POPRAVIT
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};
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}
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//machine::getterji, setterji
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int machine::getA() {return registri[A];}
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void machine::setA(int a) {registri[A] = a;}
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int machine::getX() {return registri[X];}
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void machine::setX(int x) {registri[X] = x;}
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int machine::getL() {return registri[L];}
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void machine::setL(int l) {registri[L] = l;}
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int machine::getB() {return registri[B];}
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void machine::setB(int b) {registri[B] = b;}
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int machine::getS() {return registri[S];}
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void machine::setS(int s) {registri[S] = s;}
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int machine::getT() {return registri[T];}
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void machine::setT(int t) {registri[T] = t;}
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double machine::getF() {return F_val;}
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void machine::setF(double f) {F_val = f;}
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int machine::getPC() {return registri[PC];}
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void machine::setPC(int pc) {registri[PC] = pc;}
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int machine::getSW() {return registri[SW];}
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void machine::setSW(int sw) {registri[SW] = sw;}
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int machine::getReg(int r) {
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return r!=6 ? registri[r] : F_val;
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}
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void machine::setReg(int r, int val) {
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if (r == 6) {
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F_val = val;
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} else {
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registri[r] = val;
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}
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}
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int machine::getByte(int adr) {
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return (adr <= MAX_ADRESS && adr >= 0) ? pomnilnik[adr] : throw out_of_range("Naslov je izven pomnilniškega obmocja: " + to_string(adr));
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}
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void machine::setByte(int adr, int val) {
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if (adr < 0 || adr > MAX_ADRESS) outOfMemoryRange(adr);
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if (val < 0 || val > 255) throw invalid_argument("Byte ima vrednost med 0 in 255.");
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pomnilnik[adr] = static_cast<uint8_t>(val);
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}
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int machine::getWord(int adr) {
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if (adr < 0 || adr + 2 > MAX_ADRESS) outOfMemoryRange(adr+2);
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int byte1 = pomnilnik[adr];
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int byte2 = pomnilnik[adr+1];
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int byte3 = pomnilnik[adr+2];
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return (byte1 << 16) | (byte2 << 8) | byte3;
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}
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void machine::setWord(int adr, int val) {
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if (adr < 0 || adr + 2 > MAX_ADRESS) outOfMemoryRange(adr+2);
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if (val < 0 || val > 0xFFFFFF) throw invalid_argument("Beseda mora imeti vrednost med 0 in 0xFFFFFF.");
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pomnilnik[adr] = (val >> 16) & 0xFF; //val = 0x00123456 -> hočemo 12, val >> 16 -> 0x00000012 & 0x000000ff = 0x12
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pomnilnik[adr+1] = (val >> 8) & 0xFF;
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pomnilnik[adr+2] = (val) & 0xFF;
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}
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Device& machine::getDevice(uint8_t dev) {
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if (dev > 255)
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throw out_of_range("Naprava ne obstaja, izberite napravo med 0 in 255");
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if (!naprave[dev])
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throw runtime_error("Naprava ni inicializirana");
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return *naprave[dev]; //rabmo returnat pointer, ker nase naprave so shranjene kakor unique pointerji
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}
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void machine::setDevice(uint8_t num, unique_ptr<Device> dev) {
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if (num > 255)
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throw out_of_range("Naprava ne obstaja, izberite napravo med 0 in 255");
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naprave[num] = move(dev);
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}
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void machine::setFileDevice(uint8_t num, const string& filename) {
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if (num <= 2 || num > 255) {
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throw out_of_range("Samo naprave med 3 in 255 imajo lahko poljubno ime");
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}
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naprave[num] = make_unique<fileDevice>(filename);
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}
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int getUN(int n, int x, int b, int p, int e, int operand) {
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//NEED TO IMPLEMENT
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return 1;
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}
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void machine::outOfMemoryRange(int memory) {
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throw out_of_range("Naslov je izven pomnilniškega obmocja: " + to_string(memory));
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}
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void machine::notImplemented(const string& mnemonic) {
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throw runtime_error("Mnemonic ni implementiran: " + mnemonic);
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}
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void machine::invalidOpcode (int opcode) {
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throw invalid_argument("Opcode ne obstaja: " + to_string(opcode) + ".");
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}
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void machine::invalidAdressing() {
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throw invalid_argument("Ta način naslavljanja ni podprt.");
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}
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void machine::invalidRegister(const string& mnemonic, int r1, int r2) {
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throw invalid_argument("Neveljaven register v ukazu" + mnemonic + " r1 = " + to_string(r1) + " r2 = " + to_string(r2));
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}
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uint8_t machine::fetch() {
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return machine::getByte(registri[PC]++);
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}
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void machine::execute() {
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uint8_t opcode8 = fetch();
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uint8_t opcode6 = opcode8 & 0xFC;
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auto it = Opcode::OPCODES.find(opcode6);
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if (it == Opcode::OPCODES.end()) {
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invalidOpcode(opcode6);
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return;
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}
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InstructionInfo ii = it->second;
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bool uspesno = false;
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switch (ii.format) {
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case 1:
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uspesno = execF1(opcode8, ii.mnemonic);
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break;
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case 2: {
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uint8_t operand = fetch();
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uspesno = execF2(opcode8, operand, ii.mnemonic);
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break;
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}
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case 3: {
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uint8_t b2 = fetch();
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uint8_t b3 = fetch();
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uspesno = execSIC_F3_F4(opcode8, b2, b3, ii.mnemonic);
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break;
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}
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default:
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break;
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}
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if (uspesno) return;
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else {
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throw runtime_error("Izvajanje ukaza je bilo neuspešno");
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}
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}
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//////////////////////////////////////////////////////////////////////////////////
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//TO DO, racunanje uporabnih naslovov!!!!
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bool machine::execF1(uint8_t opcode, const string& mnemonic){
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//FIX, FLOAT, HIO, TIO, SIO, NORM
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auto it = Opcode::OPCODES.find(opcode);
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InstructionInfo ii = it->second;
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string name = ii.mnemonic;
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if (name == "FIX") {
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setA(static_cast<int>(getF()));
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return true;
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} else if (name == "FLOAT") {
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setF(static_cast<double>(getA()));
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return true;
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} else if (name == "HIO") {
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//halt I/0 na kanalu (A)
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return true;
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} else if (name == "TIO") {
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//test I/O na kanalu (A)
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return true;
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} else if (name == "SIO") {
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//start I/O na kanalu (A), adress kanala je dan na (S)
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return true;
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} else if (name == "NORM") {
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//normalizirej (F), v c++ so ze vsa double stevila normalizirana
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return true;
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}
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}
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bool machine::execF2(uint8_t opcode, uint8_t operand, const string& mnemonic){
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uint8_t r1 = (operand & 0xF0) >> 4;
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uint8_t r2 = (operand & 0x0F);
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auto it = ukaziF2.find(mnemonic);
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if (it == ukaziF2.end()) notImplemented(mnemonic); return false;
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if (r1 > 9 || r2 > 9 || r1 < 0 || r2 < 0) invalidRegister(mnemonic, r1, r2); return false;
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return it->second(r1, r2);
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}
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bool machine::execSIC_F3_F4(uint8_t byte1, uint8_t byte2, uint8_t byte3, const string& mnemonic) {
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uint8_t n = (byte1 >> 7) & 1;
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uint8_t i = (byte1 >> 6) & 1;
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uint8_t x = (byte2 >> 7) & 1;
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uint8_t b = (byte2 >> 6) & 1;
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uint8_t p = (byte2 >> 5) & 1;
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uint8_t e = (byte2 >> 4) & 1;
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if (n == 0 && i == 0) {
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//imamo format SIC
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} else if (e == 1) {
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//imamo format 4
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} else {
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//imamo format 3
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}
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}
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//TO DO
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/////////////////////////////////////////////////////////////////////////////////////
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int main() {
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return 0;
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}
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