diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..bdc8560
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,2 @@
+prog.bin
+main.asm
\ No newline at end of file
diff --git a/compiler.py b/compiler.py
new file mode 100644
index 0000000..4cb64fb
--- /dev/null
+++ b/compiler.py
@@ -0,0 +1,713 @@
+# WARNING! ЭТОТ КОД - ПОЛНОЕ ГОВНИЩЕ
+# Если вы Роман Сакутин - немедленно закройте данную страницу!!!
+
+code = open("main.asm").read().strip().lower().split("\n")
+program = bytearray()
+n = 0
+errors = 0
+
+def get_arg_type(arg: str) -> str:
+    if arg in ["ax", "bx", "cx", "dx", "ex", "fx"]:
+        return "reg"
+    elif arg.isdecimal():
+        return "dec"
+    elif arg.startswith("0x") and all(c in "0123456789abcdefABCDEF" for c in arg[2:]) and len(arg) > 2:
+        return "hex"
+    return "unk"
+
+def get_reg_hex(arg: str) -> int:
+    return int(arg[0], 16)
+
+def get_hex(arg: str) -> int:
+    global errorsE
+    value = int(arg[2:], 16)
+    if value > 65535:
+        print(f"[err] line {n}: value too large")
+        errors += 1
+    return value
+
+def get_dec(arg: str) -> int:
+    global errors
+    value = int(arg)
+    if value > 65535:
+        print(f"[err] line {n}: value too large")
+        errors += 1
+    return value
+
+for line in code:
+    line = line.split(";")[0]
+    n += 1
+    args = line.split()
+    if len(args) == 0:
+        continue
+
+    if args[0].startswith(":") and args[0].endswith(":") and get_arg_type(args[0].replace(":", "")) == "hex":
+        value = get_hex(args[0].replace(":", ""))
+        program.extend([0xFF, value >> 8, value & 255])
+        
+    elif args[0] == "hlt":
+        program.append(0x00)
+
+    elif args[0] == "mov":
+        if len(args) != 3:
+            print(f"[err] line {n}: two arguments required")
+            errors += 1
+            continue
+        
+        arg1_type = get_arg_type(args[1])
+        arg2_type = get_arg_type(args[2])
+
+        if arg1_type != "reg":
+            print(f"[err] line {n}: the first argument must be a register")
+            errors += 1
+            continue
+        if arg2_type == "reg":
+            reg1 = get_reg_hex(args[1])
+            reg2 = get_reg_hex(args[2])
+            program.extend([1, (reg1 << 4) + reg2])
+        elif arg2_type == "hex":
+            reg = get_reg_hex(args[1])
+            value = get_hex(args[2])
+            program.extend([reg, value >> 8, value & 255])
+        elif arg2_type == "dec":
+            reg = get_reg_hex(args[1])
+            value = get_dec(args[2])
+            program.extend([reg, value >> 8, value & 255])
+        else:
+            print(f"[err] line {n}: invalid second argument")
+            errors += 1
+            continue
+
+    elif args[0] == "jmp":
+        if len(args) != 2:
+            print(f"[err] line {n}: one argument required")
+            exit(-1)
+
+        arg_type = get_arg_type(args[1])
+        if arg_type == "reg":
+            reg = get_reg_hex(args[1])
+            program.extend([3, reg])
+        elif arg_type == "hex":
+            value = get_hex(args[1])
+            program.extend([2, value >> 8, value & 255])
+        elif arg_type == "dec":
+            value = get_dec(args[1])
+            program.extend([2, value >> 8, value & 255])
+        else:
+            print(f"[err] line {n}: invalid argument")
+            errors += 1
+            continue
+
+    elif args[0] == "cmp":
+        if len(args) != 3:
+            print(f"[err] line {n}: two arguments required")
+            errors += 1
+            continue
+
+        arg1_type = get_arg_type(args[1])
+        arg2_type = get_arg_type(args[2])
+
+        if arg1_type != "reg" or arg2_type != "reg":
+            print(f"[err] line {n}: all two arguments must be registers")
+            errors += 1
+            continue
+
+        reg1 = get_reg_hex(args[1])
+        reg2 = get_reg_hex(args[2])
+
+        program.extend([4, (reg1 << 4) + reg2])
+
+    elif args[0] == "je":
+        if len(args) != 2:
+            print(f"[err] line {n}: one argument required")
+            errors += 1
+            continue
+
+        arg_type = get_arg_type(args[1])
+        if arg_type == "hex":
+            value = get_hex(args[1])
+            program.extend([5, value >> 8, value & 255])
+        elif arg_type == "dec":
+            value = get_dec(args[1])
+            program.extend([5, value >> 8, value & 255])
+        else:
+            print(f"[err] line {n}: invalid argument")
+            errors += 1
+            continue
+
+    elif args[0] == "jne":
+        if len(args) != 2:
+            print(f"[err] line {n}: one argument required")
+            errors += 1
+            continue
+
+        arg_type = get_arg_type(args[1])
+        if arg_type == "hex":
+            value = get_hex(args[1])
+            program.extend([6, value >> 8, value & 255])
+        elif arg_type == "dec":
+            value = get_dec(args[1])
+            program.extend([6, value >> 8, value & 255])
+        else:
+            print(f"[err] line {n}: invalid argument")
+            errors += 1
+            continue
+
+    elif args[0] == "jg":
+        if len(args) != 2:
+            print(f"[err] line {n}: one argument required")
+            errors += 1
+            continue
+
+        arg_type = get_arg_type(args[1])
+        if arg_type == "hex":
+            value = get_hex(args[1])
+            program.extend([7, value >> 8, value & 255])
+        elif arg_type == "dec":
+            value = get_dec(args[1])
+            program.extend([7, value >> 8, value & 255])
+        else:
+            print(f"[err] line {n}: invalid argument")
+            errors += 1
+            continue
+
+    elif args[0] == "jl":
+        if len(args) != 2:
+            print(f"[err] line {n}: one argument required")
+            errors += 1
+            continue
+
+        arg_type = get_arg_type(args[1])
+        if arg_type == "hex":
+            value = get_hex(args[1])
+            program.extend([8, value >> 8, value & 255])
+        elif arg_type == "dec":
+            value = get_dec(args[1])
+            program.extend([8, value >> 8, value & 255])
+        else:
+            print(f"[err] line {n}: invalid argument")
+            errors += 1
+            continue
+    
+    elif args[0] == "add":
+        if len(args) != 3:
+            print(f"[err] line {n}: two arguments required")
+            errors += 1
+            continue
+
+        arg1_type = get_arg_type(args[1])
+        arg2_type = get_arg_type(args[2])
+
+        if arg1_type != "reg":
+            print(f"[err] line {n}: first argument must be integers")
+            errors += 1
+            continue
+        reg1 = get_reg_hex(args[1])
+        if arg2_type == "reg":
+            reg2 = get_reg_hex(args[2])
+            program.extend([0x10, (reg1 << 4) + reg2])
+        elif arg2_type == "dec":
+            value = get_dec(args[2])
+            program.extend([0x30, value >> 8, value & 255, reg1])
+        elif arg2_type == "hex":
+            value = get_hex(args[2])
+            program.extend([0x30, value >> 8, value & 255, reg1])
+        else:
+            print(f"[err] line {n}: invalid argument")
+    
+    elif args[0] == "sub":
+        if len(args) != 3:
+            print(f"[err] line {n}: two arguments required")
+            errors += 1
+            continue
+
+        arg1_type = get_arg_type(args[1])
+        arg2_type = get_arg_type(args[2])
+
+        if arg1_type != "reg":
+            print(f"[err] line {n}: first argument must be integers")
+            errors += 1
+            continue
+        reg1 = get_reg_hex(args[1])
+        if arg2_type == "reg":
+            reg2 = get_reg_hex(args[2])
+            program.extend([0x11, (reg1 << 4) + reg2])
+        elif arg2_type == "dec":
+            value = get_dec(args[2])
+            program.extend([0x31, value >> 8, value & 255, reg1])
+        elif arg2_type == "hex":
+            value = get_hex(args[2])
+            program.extend([0x31, value >> 8, value & 255, reg1])
+        else:
+            print(f"[err] line {n}: invalid argument")
+
+    elif args[0] == "inc":
+        if len(args) != 2:
+            print(f"[err] line {n}: one argument required")
+            errors += 1
+            continue
+
+        arg_type = get_arg_type(args[1])
+        if arg_type == "reg":
+            reg = get_reg_hex(args[1])
+            program.extend([0x12, reg])
+        else:
+            print(f"[err] line {n}: invalid argument")
+            errors += 1
+            continue
+
+    elif args[0] == "dec":
+        if len(args) != 2:
+            print(f"[err] line {n}: one argument required")
+            errors += 1
+            continue
+
+        arg_type = get_arg_type(args[1])
+        if arg_type == "reg":
+            reg = get_reg_hex(args[1])
+            program.extend([0x13, reg])
+        else:
+            print(f"[err] line {n}: invalid argument")
+            errors += 1
+            continue
+
+    elif args[0] == "mul":
+        if len(args) != 3:
+            print(f"[err] line {n}: two arguments required")
+            errors += 1
+            continue
+
+        arg1_type = get_arg_type(args[1])
+        arg2_type = get_arg_type(args[2])
+
+        if arg1_type != "reg":
+            print(f"[err] line {n}: first argument must be integers")
+            errors += 1
+            continue
+        reg1 = get_reg_hex(args[1])
+        if arg2_type == "reg":
+            reg2 = get_reg_hex(args[2])
+            program.extend([0x14, (reg1 << 4) + reg2])
+        elif arg2_type == "dec":
+            value = get_dec(args[2])
+            program.extend([0x32, value >> 8, value & 255, reg1])
+        elif arg2_type == "hex":
+            value = get_hex(args[2])
+            program.extend([0x32, value >> 8, value & 255, reg1])
+        else:
+            print(f"[err] line {n}: invalid argument")
+    
+    elif args[0] == "div":
+        if len(args) != 3:
+            print(f"[err] line {n}: two arguments required")
+            errors += 1
+            continue
+
+        arg1_type = get_arg_type(args[1])
+        arg2_type = get_arg_type(args[2])
+
+        if arg1_type != "reg":
+            print(f"[err] line {n}: first argument must be integers")
+            errors += 1
+            continue
+        reg1 = get_reg_hex(args[1])
+        if arg2_type == "reg":
+            reg2 = get_reg_hex(args[2])
+            program.extend([0x15, (reg1 << 4) + reg2])
+        elif arg2_type == "dec":
+            value = get_dec(args[2])
+            program.extend([0x33, value >> 8, value & 255, reg1])
+        elif arg2_type == "hex":
+            value = get_hex(args[2])
+            program.extend([0x33, value >> 8, value & 255, reg1])
+        else:
+            print(f"[err] line {n}: invalid argument")
+    
+    elif args[0] == "rod":
+        if len(args) != 3:
+            print(f"[err] line {n}: two arguments required")
+            errors += 1
+            continue
+
+        arg1_type = get_arg_type(args[1])
+        arg2_type = get_arg_type(args[2])
+
+        if arg1_type != "reg":
+            print(f"[err] line {n}: first argument must be integers")
+            errors += 1
+            continue
+        reg1 = get_reg_hex(args[1])
+        if arg2_type == "reg":
+            reg2 = get_reg_hex(args[2])
+            program.extend([0x16, (reg1 << 4) + reg2])
+        elif arg2_type == "dec":
+            value = get_dec(args[2])
+            program.extend([0x34, value >> 8, value & 255, reg1])
+        elif arg2_type == "hex":
+            value = get_hex(args[2])
+            program.extend([0x34, value >> 8, value & 255, reg1])
+        else:
+            print(f"[err] line {n}: invalid argument")
+
+    elif args[0] == "and":
+        if len(args) != 3:
+            print(f"[err] line {n}: two arguments required")
+            errors += 1
+            continue
+
+        arg1_type = get_arg_type(args[1])
+        arg2_type = get_arg_type(args[2])
+
+        if arg1_type != "reg" or arg2_type != "reg":
+            print(f"[err] line {n}: all two arguments must be registers")
+            errors += 1
+            continue
+
+        reg1 = get_reg_hex(args[1])
+        reg2 = get_reg_hex(args[2])
+
+        program.extend([0x17, (reg1 << 4) + reg2])
+
+    elif args[0] == "or":
+        if len(args) != 3:
+            print(f"[err] line {n}: two arguments required")
+            errors += 1
+            continue
+
+        arg1_type = get_arg_type(args[1])
+        arg2_type = get_arg_type(args[2])
+
+        if arg1_type != "reg" or arg2_type != "reg":
+            print(f"[err] line {n}: all two arguments must be registers")
+            errors += 1
+            continue
+
+        reg1 = get_reg_hex(args[1])
+        reg2 = get_reg_hex(args[2])
+
+        program.extend([0x18, (reg1 << 4) + reg2])
+
+    elif args[0] == "xor":
+        if len(args) != 3:
+            print(f"[err] line {n}: two arguments required")
+            errors += 1
+            continue
+
+        arg1_type = get_arg_type(args[1])
+        arg2_type = get_arg_type(args[2])
+
+        if arg1_type != "reg" or arg2_type != "reg":
+            print(f"[err] line {n}: all two arguments must be registers")
+            errors += 1
+            continue
+
+        reg1 = get_reg_hex(args[1])
+        reg2 = get_reg_hex(args[2])
+
+        program.extend([0x19, (reg1 << 4) + reg2])
+
+    elif args[0] == "not":
+        if len(args) != 2:
+            print(f"[err] line {n}: one argument required")
+            errors += 1
+            continue
+
+        arg_type = get_arg_type(args[1])
+        if arg_type == "reg":
+            reg = get_reg_hex(args[1])
+            program.extend([0x1A, reg])
+        else:
+            print(f"[err] line {n}: invalid argument")
+            errors += 1
+            continue
+
+    elif args[0] == "shl":
+        if len(args) != 3:
+            print(f"[err] line {n}: two arguments required")
+            errors += 1
+            continue
+
+        arg1_type = get_arg_type(args[1])
+        arg2_type = get_arg_type(args[2])
+
+        if arg1_type != "reg":
+            print(f"[err] line {n}: first argument must be integers")
+            errors += 1
+            continue
+        reg1 = get_reg_hex(args[1])
+        if arg2_type == "reg":
+            reg2 = get_reg_hex(args[2])
+            program.extend([0x1B, (reg1 << 4) + reg2])
+        elif arg2_type == "dec":
+            value = get_dec(args[2])
+            program.extend([0x35, value >> 8, value & 255, reg1])
+        elif arg2_type == "hex":
+            value = get_hex(args[2])
+            program.extend([0x35, value >> 8, value & 255, reg1])
+        else:
+            print(f"[err] line {n}: invalid argument")
+
+    elif args[0] == "shr":
+        if len(args) != 3:
+            print(f"[err] line {n}: two arguments required")
+            errors += 1
+            continue
+
+        arg1_type = get_arg_type(args[1])
+        arg2_type = get_arg_type(args[2])
+
+        if arg1_type != "reg":
+            print(f"[err] line {n}: first argument must be integers")
+            errors += 1
+            continue
+        reg1 = get_reg_hex(args[1])
+        if arg2_type == "reg":
+            reg2 = get_reg_hex(args[2])
+            program.extend([0x1C, (reg1 << 4) + reg2])
+        elif arg2_type == "dec":
+            value = get_dec(args[2])
+            program.extend([0x36, value >> 8, value & 255, reg1])
+        elif arg2_type == "hex":
+            value = get_hex(args[2])
+            program.extend([0x36, value >> 8, value & 255, reg1])
+        else:
+            print(f"[err] line {n}: invalid argument")
+
+    elif args[0] == "save":
+        if len(args) != 3:
+            print(f"[err] line {n}: two arguments required")
+            errors += 1
+            continue
+
+        arg1_type = get_arg_type(args[1])
+        arg2_type = get_arg_type(args[2])
+
+        if arg1_type != "reg":
+            print(f"[err] line {n}: first argument must be integers")
+            errors += 1
+            continue
+        reg1 = get_reg_hex(args[1])
+        if arg2_type == "reg":
+            reg2 = get_reg_hex(args[2])
+            program.extend([0x1D, (reg1 << 4) + reg2])
+        elif arg2_type == "dec":
+            value = get_dec(args[2])
+            program.extend([0x37, value >> 8, value & 255, reg1])
+        elif arg2_type == "hex":
+            value = get_hex(args[2])
+            program.extend([0x37, value >> 8, value & 255, reg1])
+        else:
+            print(f"[err] line {n}: invalid argument")
+
+    elif args[0] == "load":
+        if len(args) != 3:
+            print(f"[err] line {n}: two arguments required")
+            errors += 1
+            continue
+
+        arg1_type = get_arg_type(args[1])
+        arg2_type = get_arg_type(args[2])
+
+        if arg1_type != "reg":
+            print(f"[err] line {n}: first argument must be integers")
+            errors += 1
+            continue
+        reg1 = get_reg_hex(args[1])
+        if arg2_type == "reg":
+            reg2 = get_reg_hex(args[2])
+            program.extend([0x1E, (reg1 << 4) + reg2])
+        elif arg2_type == "dec":
+            value = get_dec(args[2])
+            program.extend([0x38, value >> 8, value & 255, reg1])
+        elif arg2_type == "hex":
+            value = get_hex(args[2])
+            program.extend([0x38, value >> 8, value & 255, reg1])
+        else:
+            print(f"[err] line {n}: invalid argument")
+
+    elif args[0] == "ret":
+        program.extend([0x20])
+
+    elif args[0] == "call":
+        if len(args) != 2:
+            print(f"[err] line {n}: one argument required")
+            errors += 1
+            continue
+
+        arg_type = get_arg_type(args[1])
+        if arg_type == "hex":
+            value = get_hex(args[1])
+            program.extend([0x21, value >> 8, value & 255])
+        elif arg_type == "dec":
+            value = get_dec(args[1])
+            program.extend([0x21, value >> 8, value & 255])
+        else:
+            print(f"[err] line {n}: invalid argument")
+            errors += 1
+            continue
+
+    elif args[0] == "wr":
+        if len(args) != 3:
+            print(f"[err] line {n}: two arguments required")
+            errors += 1
+            continue
+
+        arg1_type = get_arg_type(args[1])
+        arg2_type = get_arg_type(args[2])
+
+        if arg1_type != "reg" or arg2_type != "reg":
+            print(f"[err] line {n}: all two arguments must be registers")
+            errors += 1
+            continue
+
+        reg1 = get_reg_hex(args[1])
+        reg2 = get_reg_hex(args[2])
+
+        program.extend([0x40, (reg1 << 4) + reg2])
+
+    elif args[0] == "rd":
+        if len(args) != 3:
+            print(f"[err] line {n}: two arguments required")
+            errors += 1
+            continue
+
+        arg1_type = get_arg_type(args[1])
+        arg2_type = get_arg_type(args[2])
+
+        if arg1_type != "reg" or arg2_type != "reg":
+            print(f"[err] line {n}: all two arguments must be registers")
+            errors += 1
+            continue
+
+        reg1 = get_reg_hex(args[1])
+        reg2 = get_reg_hex(args[2])
+
+        program.extend([0x41, (reg1 << 4) + reg2])
+
+    elif args[0] == "awr":
+        if len(args) != 3:
+            print(f"[err] line {n}: two arguments required")
+            errors += 1
+            continue
+
+        arg1_type = get_arg_type(args[1])
+        arg2_type = get_arg_type(args[2])
+
+        if arg1_type != "reg" or arg2_type != "reg":
+            print(f"[err] line {n}: all two arguments must be registers")
+            errors += 1
+            continue
+
+        reg1 = get_reg_hex(args[1])
+        reg2 = get_reg_hex(args[2])
+
+        program.extend([0x42, (reg1 << 4) + reg2])
+
+    elif args[0] == "ard":
+        if len(args) != 3:
+            print(f"[err] line {n}: two arguments required")
+            errors += 1
+            continue
+
+        arg1_type = get_arg_type(args[1])
+        arg2_type = get_arg_type(args[2])
+
+        if arg1_type != "reg" or arg2_type != "reg":
+            print(f"[err] line {n}: all two arguments must be registers")
+            errors += 1
+            continue
+
+        reg1 = get_reg_hex(args[1])
+        reg2 = get_reg_hex(args[2])
+
+        program.extend([0x43, (reg1 << 4) + reg2])
+
+    elif args[0] == "del":
+        if len(args) != 2:
+            print(f"[err] line {n}: one argument required")
+            errors += 1
+            continue
+
+        arg_type = get_arg_type(args[1])
+        if arg_type == "reg":
+            reg = get_reg_hex(args[1])
+            program.extend([0x44, reg])
+        else:
+            print(f"[err] line {n}: invalid argument")
+            errors += 1
+            continue
+
+    elif args[0] == "uwr":
+        if len(args) != 2:
+            print(f"[err] line {n}: one argument required")
+            errors += 1
+            continue
+
+        arg_type = get_arg_type(args[1])
+        if arg_type == "reg":
+            reg = get_reg_hex(args[1])
+            program.extend([0x45, reg])
+        else:
+            print(f"[err] line {n}: invalid argument")
+            errors += 1
+            continue
+
+    elif args[0] == "del":
+        if len(args) != 2:
+            print(f"[err] line {n}: one argument required")
+            errors += 1
+            continue
+
+        arg_type = get_arg_type(args[1])
+        if arg_type == "reg":
+            reg = get_reg_hex(args[1])
+            program.extend([0x46, reg])
+        else:
+            print(f"[err] line {n}: invalid argument")
+            errors += 1
+            continue
+
+    elif args[0] == "del":
+        if len(args) != 2:
+            print(f"[err] line {n}: one argument required")
+            errors += 1
+            continue
+
+        arg_type = get_arg_type(args[1])
+        if arg_type == "reg":
+            reg = get_reg_hex(args[1])
+            program.extend([0x47, reg])
+        else:
+            print(f"[err] line {n}: invalid argument")
+            errors += 1
+            continue
+
+    elif args[0] == "pin":
+        if len(args) != 3:
+            print(f"[err] line {n}: two arguments required")
+            errors += 1
+            continue
+
+        arg1_type = get_arg_type(args[1])
+        arg2_type = get_arg_type(args[2])
+
+        if arg1_type != "reg" or arg2_type != "reg":
+            print(f"[err] line {n}: all two arguments must be registers")
+            errors += 1
+            continue
+
+        reg1 = get_reg_hex(args[1])
+        reg2 = get_reg_hex(args[2])
+
+        program.extend([0x48, (reg1 << 4) + reg2])
+
+    else:
+        print(f"[err] line {n}: unknown instruction: {args[0]}")
+        errors += 1
+        continue
+
+
+if errors > 0:
+    exit(1)
+#print(list(map(hex, program)))
+open("prog.bin", "wb").write(program)
\ No newline at end of file
diff --git a/interpreter.py b/interpreter.py
new file mode 100644
index 0000000..094a1ee
--- /dev/null
+++ b/interpreter.py
@@ -0,0 +1,238 @@
+from ctypes import *
+import time
+
+RAM = []
+for i in range(256):
+    RAM.append(c_uint8(0))
+PC, CB, RW, LM = c_uint16(0), c_uint16(0), c_uint16(0), c_uint16(0)
+REG = c_uint16(0), c_uint16(0), c_uint16(0), c_uint16(0), c_uint16(0), c_uint16(0)
+PROG = open("prog.bin", "rb").read()
+HALTED = False
+SPEED_HZ = 1600
+
+instr_bytes = {
+    0x00: 1,
+    0x01: 2,
+    0x0A: 3,
+    0x0B: 3,
+    0x0C: 3,
+    0x0D: 3,
+    0x0E: 3,
+    0x0F: 3,
+    0xFF: 3,
+    0x02: 3,
+    0x03: 2,
+    0x04: 2,
+    0x05: 3,
+    0x06: 3,
+    0x07: 3,
+    0x08: 3,
+    0x10: 2,
+    0x11: 2,
+    0x12: 2,
+    0x13: 2,
+    0x14: 2,
+    0x15: 2,
+    0x16: 2,
+    0x17: 2,
+    0x18: 2,
+    0x19: 2,
+    0x1A: 2,
+    0x1B: 2,
+    0x1C: 2,
+    0x1D: 2,
+    0x1E: 2,
+    0x20: 1,
+    0x21: 3,
+    0x40: 2,
+    0x41: 2,
+    0x42: 2,
+    0x43: 2,
+    0x44: 2,
+    0x45: 2,
+    0x46: 2,
+    0x47: 2,
+    0x48: 2,
+    0x30: 4,
+    0x31: 4,
+    0x32: 4,
+    0x33: 4,
+    0x34: 4,
+    0x35: 4,
+    0x36: 4,
+    0x37: 4,
+    0x38: 4
+}
+
+def read_16(byte1: int, byte2: int) -> c_uint16:
+    return c_uint16((byte1 << 8) + byte2)
+
+
+def debug():
+    print()
+    for i in range(0, len(RAM), 16):
+        print(f"0x{format(i, "04X")}: ", end="")
+        line = RAM[i:i + 16]
+        print(
+            " ".join(format(b.value, "02X") for b in line),
+            "".join(chr(b.value) if b.value >= 0x20 else " " for b in line)
+        )
+
+    print("AX:", REG[0].value)
+    print("BX:", REG[1].value)
+    print("CX:", REG[2].value)
+    print("DX:", REG[3].value)
+    print("EX:", REG[4].value)
+    print("FX:", REG[5].value)
+    print("CB:", CB.value)
+    print("LM:", LM.value)
+
+while PC.value < len(PROG):
+    instr = PROG[PC.value]
+    if instr == 0xFF:
+        RW = read_16(PROG[PC.value + 1], PROG[PC.value + 2])
+    else:
+        RAM[RW.value] = c_uint16(PROG[PC.value])
+        for byte in PROG[PC.value + 1:PC.value + instr_bytes[instr]]:
+            RW.value += 1
+            RAM[RW.value] = c_uint16(byte)
+        RW.value += 1
+    PC.value += instr_bytes[instr]
+
+PC.value = 0
+
+while not HALTED and PC.value < len(RAM):
+    start_time = time.time()
+    instr = RAM[PC.value].value
+    x, y, z = RAM[PC.value + 1].value >> 4, RAM[PC.value + 1].value & 15, RAM[PC.value + 3].value
+    value = (RAM[PC.value + 1].value << 8) + RAM[PC.value + 2].value
+    PC.value += instr_bytes[instr]
+
+    if instr == 0x00:
+        HALTED = True
+
+    elif instr == 0x01:
+        if x == y:
+            REG[x - 10].value = 0
+        else:
+            REG[x - 10].value = REG[y - 10].value
+
+    elif instr in [0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F]:
+        REG[instr - 10].value = value
+
+    elif instr == 0x02:
+        PC.value = value
+
+    elif instr == 0x03:
+        PC.value = REG[y - 10].value
+
+    elif instr == 0x04:
+        if REG[x - 10].value == REG[y - 10].value: CB.value = 0
+        elif REG[x - 10].value > REG[y - 10].value: CB.value = 1
+        elif REG[x - 10].value < REG[y - 10].value: CB.value = 2
+
+    elif instr == 0x05 and CB.value == 0:
+        PC.value = value
+
+    elif instr == 0x06 and CB.value != 0:
+        PC.value = value
+
+    elif instr == 0x07 and CB.value == 1:
+        PC.value = value
+
+    elif instr == 0x08 and CB.value == 2:
+        PC.value = value
+
+    elif instr == 0x10:
+        REG[x - 10].value += REG[y - 10].value
+    
+    elif instr == 0x11:
+        REG[x - 10].value -= REG[y - 10].value
+    
+    elif instr == 0x12:
+        REG[y - 10].value += 1
+
+    elif instr == 0x13:
+        REG[y - 10].value -= 1
+
+    elif instr == 0x14:
+        REG[x - 10].value *= REG[y - 10].value
+    
+    elif instr == 0x15:
+        REG[x - 10].value //= REG[y - 10].value
+
+    elif instr == 0x16:
+        REG[x - 10].value %= REG[y - 10].value
+
+    elif instr == 0x17:
+        REG[x - 10].value &= REG[y - 10].value
+
+    elif instr == 0x18:
+        REG[x - 10].value |= REG[y - 10].value
+
+    elif instr == 0x19:
+        REG[x - 10].value ^= REG[y - 10].value
+
+    elif instr == 0x1A:
+        REG[y - 10].value = (1 << 4) - 1 - REG[y - 10].value
+
+    elif instr == 0x1B:
+        REG[x - 10].value <<= REG[y - 10].value
+
+    elif instr == 0x1C:
+        REG[x - 10].value >>= REG[y - 10].value
+
+    elif instr == 0x1D:
+        val = REG[x - 10].value
+        addr = REG[y - 10].value
+        RAM[addr].value = val >> 8
+        RAM[addr + 1].value = val & 255
+
+    elif instr == 0x1E:
+        addr = REG[y - 10].value
+        REG[x - 10].value = (RAM[addr].value << 8) + RAM[addr + 1].value
+
+    elif instr == 0x20:
+        PC.value = LM.value
+
+    elif instr == 0x21:
+        LM.value = PC.value
+        PC.value = value
+    
+    elif instr == 0x45:
+        print(chr(REG[y - 10].value), end="")
+
+    elif instr == 0x30:
+        REG[z - 10].value += value
+
+    elif instr == 0x31:
+        REG[z - 10].value += value
+
+    elif instr == 0x32:
+        REG[z - 10].value *= value
+
+    elif instr == 0x33:
+        REG[z - 10].value //= value
+
+    elif instr == 0x34:
+        REG[z - 10].value %= value
+
+    elif instr == 0x35:
+        REG[z - 10].value <<= value
+
+    elif instr == 0x36:
+        REG[z - 10].value >>= value
+
+    elif instr == 0x37:
+        val = REG[z - 10].value
+        RAM[value].value = val >> 8
+        RAM[value + 1].value = val & 255
+
+    elif instr == 0x38:
+        REG[z - 10].value = (RAM[value].value << 8) + RAM[value + 1].value
+
+    sleep_time = 1/SPEED_HZ - (time.time() - start_time )
+    if sleep_time > 0:
+        time.sleep(sleep_time)
+
+debug()