build system now working with both CLI and system6

cli/CMakeLists.txt

@@ -0,0 +1,14 @@
+project(GameBoyEmulator)
+cmake_minimum_required(VERSION 3.9)
+
+include_directories(../src)
+
+add_executable(gb6
+    ../src/bootstrap.c
+    ../src/cpu.c
+    ../src/dmg.c
+    ../src/instructions.c
+    ../src/lcd.c
+    ../src/rom.c
+    emulator.c
+)

cli/compile.sh

@@ -0,0 +1,6 @@
+#!/bin/sh
+mkdir -p build
+cd build
+cmake ..
+make
+cd ..