Patrick_Pluto/PlutoISA
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emulator ... assembler

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2
LICENSE
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@ -213,6 +213,8 @@ To do so, attach the following notices to the program. It is safest to attach th
This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
Please note that the assembled code that gets output from this program is NOT under the GPL, and can be licensed under any other license at your choice.
This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License along with this program. If not, see <https://www.gnu.org/licenses/>.

2
Makefile
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@ -3,7 +3,7 @@ CXX = g++
# Source file
SRC = main.cpp
# Executable name
EXEC = pluto_isa_emu
EXEC = pluto_isa_asm
# Default target
all:

2
README.md
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@ -1,3 +1,3 @@
# PlutoISA
This is an emulator for the custom made PlutoISA.
This is an assembler for the custom made PlutoISA.

53
assembler.hpp Normal file
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@ -0,0 +1,53 @@
/*
PlutoISA
Copyright (C) 2024 Patrick_Pluto
This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
Please note that the assembled code that gets output from this program is NOT under the GPL, and can be licensed under any other license at your choice.
This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#pragma once
#include <iostream>
#include <sstream>
#include <string>
#include <vector>
#include <fstream>
#include <cstdlib>
#include <cstdint>
using namespace std;
void assemble ( vector<string> tokens, uint8_t *rom ) {
int index = 0;
for ( const auto& part : tokens ) {
if ( part == "GET" ) {
rom[index] = 0x00;
} else if ( part == "LOAD" ) {
rom[index] = 0x01;
} else if ( part == "STORE" ) {
rom[index] = 0x02;
} else if ( part == "ADD" ) {
rom[index] = 0x03;
} else if ( part == "SUB" ) {
rom[index] = 0x04;
} else if ( part == "JMP" ) {
rom[index] = 0x05;
} else if ( part == "JEQ" ) {
rom[index] = 0x06;
} else if ( part == "HIN" ) {
rom[index] = 0x07;
} else {
uint8_t value = stoi(part, nullptr, 16);
rom[index] = value;
}
index += 1;
}
}

89
cpu.hpp
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@ -1,89 +0,0 @@
/*
PlutoISA
Copyright (C) 2024 Patrick_Pluto
This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#pragma once
#include <iostream>
#include <fstream>
#include <cstdlib>
#include <cstdint>
#include <chrono>
#include <thread>
#include "tpu.hpp"
using namespace std;
uint8_t *registers = ( uint8_t * ) malloc ( 8 * sizeof ( uint8_t ) );
uint8_t *memory = ( uint8_t * ) malloc ( 128 * sizeof ( uint8_t ) );
uint8_t *pointer = ( uint8_t * ) malloc ( sizeof ( uint8_t ) );
void cpuInstructions ( uint8_t *rom ) {
cout << static_cast<int> ( rom[*pointer] ) << endl;
cout << static_cast<int> ( *pointer ) << endl;
switch ( rom[*pointer] ) {
case 0x00: // GET
registers[rom[*pointer + 1]] = rom[*pointer + 2];
*pointer += 3;
break;
case 0x01: // LOAD
registers[rom[*pointer + 1]] = memory[rom[*pointer + 2]];
*pointer += 3;
break;
case 0x02: // STORE
memory[rom[*pointer + 2]] = registers[rom[*pointer + 1]];
*pointer += 3;
break;
case 0x03: // ADD
registers[rom[*pointer + 1]] = registers[rom[*pointer + 2]] + registers[rom[*pointer + 3]];
*pointer += 4;
break;
case 0x04: // SUB
registers[rom[*pointer + 1]] = registers[rom[*pointer + 2]] - registers[rom[*pointer + 3]];
*pointer += 4;
break;
case 0x05: // JMP
*pointer = rom[*pointer + 1];
break;
case 0x06: // JEQ
if ( rom[*pointer + 2] == registers[rom[*pointer + 3]] ) {
*pointer = rom[*pointer + 1];
}
break;
case 0x07: // HIN
cin >> registers[rom[*pointer + 1]];
*pointer += 2;
break;
default:
cout << "Invalid Instruction, quitting." << endl;
exit ( 1 );
}
}
void cpuEmulation ( uint8_t *rom ) {
const int targetFPS = 20;
const int frameDuration = 1000 / targetFPS;
*pointer = 0;
while ( true ) {
auto start = chrono::high_resolution_clock::now();
cpuInstructions ( rom );
textProcessing ( registers[7] );
auto end = chrono::high_resolution_clock::now();
chrono::duration<double, milli> elapsed = end - start;
if ( elapsed.count() < frameDuration ) {
this_thread::sleep_for ( chrono::milliseconds ( frameDuration ) - elapsed );
}
}
}

14
main.cpp
View file

@ -4,12 +4,15 @@ Copyright (C) 2024 Patrick_Pluto
This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
Please note that the assembled code that gets output from this program is NOT under the GPL, and can be licensed under any other license at your choice.
This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#include "cpu.hpp"
#include "assembler.hpp"
#include "split.hpp"
using namespace std;
@ -17,11 +20,14 @@ int main ( int argc, char *argv[] ) {
const char *filename = argv[1];
const int rom_size = 256;
ifstream file ( filename, ios::binary );
ifstream file(filename); // Open the file
string asmCode((istreambuf_iterator<char>(file)), istreambuf_iterator<char>());
uint8_t *rom = ( uint8_t * ) malloc ( rom_size * sizeof ( uint8_t ) );
file.read ( reinterpret_cast<char*> ( rom ), rom_size );
assemble(splitAsm(asmCode), rom);
cpuEmulation ( rom );
ofstream outFile(argv[2], ios::binary);;
outFile.write(reinterpret_cast<const char*>(rom), rom_size * sizeof ( uint8_t ));
}

43
split.hpp Normal file
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@ -0,0 +1,43 @@
/*
PlutoISA
Copyright (C) 2024 Patrick_Pluto
This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
Please note that the assembled code that gets output from this program is NOT under the GPL, and can be licensed under any other license at your choice.
This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#pragma once
#include <iostream>
#include <sstream>
#include <string>
#include <vector>
using namespace std;
vector<string> splitAsm(string asmSource)
{
for (char& ch : asmSource) {
if (ch == '\n') {
ch = ' ';
}
}
stringstream ss(asmSource);
string token;
vector<string> tokens;
char delimiter = ' ';
while (getline(ss, token, delimiter)) {
tokens.push_back(token);
}
return tokens;
}

139
tpu.hpp
View file

@ -1,139 +0,0 @@
/*
PlutoISA
Copyright (C) 2024 Patrick_Pluto
This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#pragma once
#include <iostream>
#include <cstdlib>
#include <cstdint>
using namespace std;
void textProcessing ( uint8_t ch ) {
switch ( ch ) {
case 0x01:
cout << "0";
break;
case 0x02:
cout << "1";
break;
case 0x03:
cout << "2";
break;
case 0x04:
cout << "3";
break;
case 0x05:
cout << "4";
break;
case 0x06:
cout << "5";
break;
case 0x07:
cout << "6";
break;
case 0x08:
cout << "7";
break;
case 0x09:
cout << "8";
break;
case 0x0A:
cout << "9";
break;
case 0x0B:
cout << "A";
break;
case 0x0C:
cout << "B";
break;
case 0x0D:
cout << "C";
break;
case 0x0E:
cout << "D";
break;
case 0x0F:
cout << "E";
break;
case 0x10:
cout << "F";
break;
case 0x11:
cout << "G";
break;
case 0x12:
cout << "H";
break;
case 0x13:
cout << "I";
break;
case 0x14:
cout << "J";
break;
case 0x15:
cout << "K";
break;
case 0x16:
cout << "L";
break;
case 0x17:
cout << "M";
break;
case 0x18:
cout << "N";
break;
case 0x19:
cout << "O";
break;
case 0x1A:
cout << "P";
break;
case 0x1B:
cout << "Q";
break;
case 0x1C:
cout << "R";
break;
case 0x1D:
cout << "S";
break;
case 0x1E:
cout << "T";
break;
case 0x1F:
cout << "U";
break;
case 0x20:
cout << "V";
break;
case 0x21:
cout << "W";
break;
case 0x22:
cout << "X";
break;
case 0x23:
cout << "Y";
break;
case 0x24:
cout << "Z";
break;
case 0x25:
cout << " ";
break;
case 0x26:
cout << endl;
break;
default:
break;
}
}