|
|
|
@ -1,6 +1,7 @@ |
|
|
|
|
#include "pixelGameEngine.h" |
|
|
|
|
#include "Polygon.h" |
|
|
|
|
#include <stack> |
|
|
|
|
#include <bitset> |
|
|
|
|
|
|
|
|
|
using namespace olc; |
|
|
|
|
|
|
|
|
@ -52,11 +53,24 @@ public: |
|
|
|
|
uint16_t index; //One 16-bit index register called “I” which is used to point at locations in memory
|
|
|
|
|
std::array<uint8_t,16>reg; |
|
|
|
|
|
|
|
|
|
std::string Display8(int number){ |
|
|
|
|
std::bitset<8>numb(number); |
|
|
|
|
return numb.to_string(); |
|
|
|
|
} |
|
|
|
|
std::string Display16(int number){ |
|
|
|
|
std::bitset<16>numb(number); |
|
|
|
|
return numb.to_string(); |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
bool OnUserCreate() override |
|
|
|
|
{ |
|
|
|
|
//memory[0x200]=0x00;
|
|
|
|
|
//memory[0x201]=0xE0;
|
|
|
|
|
memory[0x200]=0x60; |
|
|
|
|
memory[0x201]=0x0A; |
|
|
|
|
memory[0x202]=0x70; |
|
|
|
|
memory[0x203]=0x04; |
|
|
|
|
memory[0x204]=0x12; |
|
|
|
|
memory[0x205]=0x00; |
|
|
|
|
//0x200 program start
|
|
|
|
|
return true; |
|
|
|
|
} |
|
|
|
@ -81,24 +95,24 @@ public: |
|
|
|
|
|
|
|
|
|
//DECODE
|
|
|
|
|
uint8_t nibble1 = opcode>>12; |
|
|
|
|
uint8_t X = reg[opcode>>8&0xF]; |
|
|
|
|
uint8_t Y = reg[opcode>>4&0xF]; |
|
|
|
|
uint8_t X = opcode>>8&0xF; |
|
|
|
|
uint8_t Y = opcode>>4&0xF; |
|
|
|
|
uint8_t N = opcode&0xF; |
|
|
|
|
uint8_t NN = opcode&0x00FF; |
|
|
|
|
uint16_t NNN = opcode&0x0FFF; |
|
|
|
|
std::cout<<"Opcode 0x"<<std::hex<<opcode<<std::dec<<": "<<Display8(nibble1)<<", "<<Display8(X)<<"/"<<Display8(Y)<<"/"<<Display8(N)<<"/"<<Display8(NN)<<"/"<<Display16(NNN)<<std::endl; |
|
|
|
|
switch(nibble1){ |
|
|
|
|
case 0x0:{ |
|
|
|
|
switch (NNN){ |
|
|
|
|
case 0x0E0:{ //Clear screen.
|
|
|
|
|
std::cout<<"Screen has been cleared."<<std::endl; |
|
|
|
|
for (int i=0;i<display.size();i++){ |
|
|
|
|
display[i]=0; |
|
|
|
|
} |
|
|
|
|
}break; |
|
|
|
|
} |
|
|
|
|
}break; |
|
|
|
|
case 0x1:{ |
|
|
|
|
|
|
|
|
|
case 0x1:{ //Jump.
|
|
|
|
|
pc=NNN; |
|
|
|
|
}break; |
|
|
|
|
case 0x2:{ |
|
|
|
|
|
|
|
|
@ -112,11 +126,13 @@ public: |
|
|
|
|
case 0x5:{ |
|
|
|
|
|
|
|
|
|
}break; |
|
|
|
|
case 0x6:{ |
|
|
|
|
|
|
|
|
|
case 0x6:{ //Set the register X to NN.
|
|
|
|
|
reg[X]=NN; |
|
|
|
|
std::cout<<(int)reg[X]<<std::endl; |
|
|
|
|
}break; |
|
|
|
|
case 0x7:{ |
|
|
|
|
|
|
|
|
|
case 0x7:{ //Add w/no carry
|
|
|
|
|
reg[X]+=NN; |
|
|
|
|
std::cout<<(int)reg[X]<<std::endl; |
|
|
|
|
}break; |
|
|
|
|
case 0x8:{ |
|
|
|
|
|
|
|
|
|