Split project into multiple files

src/bus.cpp

@@ -0,0 +1,40 @@
+//
+// Created by Palindromic Bread Loaf on 7/21/25.
+//
+
+#include "bus.h"
+
+// Bus class
+uint8_t Bus::Read(uint32_t address) {
+    // TODO: Map properly based on SNES memory map
+    if (address < 0x2000) {
+        return wram[address];
+    } else if (address >= 0x7E0000 && address < 0x800000) {
+        return wram[address - 0x7E0000];
+    } else if (address >= 0x800000 && cartridge) {
+        // ROM access
+        uint32_t rom_addr = address & 0x7FFFFF;
+        if (rom_addr < cartridge->size()) {
+            return (*cartridge)[rom_addr];
+        }
+    }
+    return 0x00; // Open bus
+}
+
+void Bus::Write(uint32_t address, uint8_t value) {
+    if (address < 0x2000) {
+        wram[address] = value;
+    } else if (address >= 0x7E0000 && address < 0x800000) {
+        wram[address - 0x7E0000] = value;
+    }
+    // TODO: Add PPU/APU register writes here
+}
+
+uint16_t Bus::Read16(uint32_t address) {
+    return Read(address) | (Read(address + 1) << 8);
+}
+
+void Bus::Write16(uint32_t address, uint16_t value) {
+    Write(address, value & 0xFF);
+    Write(address + 1, (value >> 8) & 0xFF);
+}