setup testing pipeline

src/cpu.cpp

@@ -36,7 +36,9 @@ int CPU::NOP()
 int CPU::LD_BC_u16()
 {
 	// Load the next 2 bytes into BC
-
+	// Left shift the first byte by 8 bits
+	// OR the second byte
+	reg_BC.dat = ((*mMap)[reg_PC.dat + 1] << 8) | (*mMap)[reg_PC.dat + 2];
 	reg_PC.dat += 3;
 	printf("LD BC, u16");
 	return 12;
@@ -45,6 +47,6 @@ int CPU::LD_BC_u16()
 int CPU::executeNextInstruction()
 {
 	// Get the opcode
-	Byte opcode = *mMap[reg_PC.dat];	
+	Byte opcode = (*mMap)[reg_PC.dat];	
 	return (this->*method_pointer[opcode])();
 }

src/gameBoy.cpp

@@ -13,6 +13,11 @@ GBE::GBE()
 	// Unify the CPU and MemoryMap
 	gbe_cpu->setMemory(gbe_mMap);
 
+	gbe_mMap->debugWriteMemory(0x0100, 0x00);
+	gbe_mMap->debugWriteMemory(0x0101, 0x01);
+	gbe_mMap->debugWriteMemory(0x0102, 0x02);
+	gbe_mMap->debugWriteMemory(0x0103, 0x03);
+
 	update();
 }
 
@@ -26,7 +31,7 @@ void GBE::update()
 	while (cycles < gbe_cpu->clockSpeedPerFrame)
 	{
 		// Execute the next instruction
-		cycles += gbe_cpu->executeNextInstruction(0);
+		cycles += gbe_cpu->executeNextInstruction();
 		// updateTimers()
 		// updateGraphics()
 		// Do Interrupts()

src/gameBoy.h

@@ -1,7 +1,7 @@
 #pragma once
 #include "types.h"
 #include "cpu.h"
-#include "memoryMap.h"
+#include "mmap.h"
 
 // GBE stands for GameBoyEmulator
 

src/mmap.cpp

@@ -103,6 +103,10 @@ bool MemoryMap::writeMemory(Word address, Byte value)
 	return true;
 }
 
+void MemoryMap::debugWriteMemory(Word address, Byte value) {
+	romBank0[address] = value;
+}
+
 Byte MemoryMap::readMemory(Word address)
 {
 	if (address < 0x4000)

src/mmap.h

@@ -96,6 +96,7 @@ class MemoryMap
 	Byte* getInterruptEnableRegister() { return interruptEnableRegister; }
 
 	bool writeMemory(Word address, Byte value);
+	void debugWriteMemory(Word address, Byte value);
 	Byte readMemory(Word address);
 
 	Byte operator[](Word address);