Finish Chapter 14

Implements code chunks, a couple of basic opcodes, constants, and
basic execution of those opcodes.

Signed-off-by: Daniel Henry <iamdanhenry@gmail.com>

Makefile

@@ -0,0 +1,50 @@
+# Compiler and flags
+CC := clang
+CFLAGS := -Wall -Wextra -g -xc -std=c99 -I./include
+LDFLAGS :=
+
+EXEC_NAME := $(notdir $(shell dirname $(realpath $(lastword $(MAKEFILE_LIST)))))
+
+# Directories
+SRC_DIR := src
+OBJ_DIR := obj
+BIN_DIR := bin
+
+# Find all source files recursively
+SRCS := $(shell find $(SRC_DIR) -name '*.c')
+# Generate object file paths by replacing src/ with obj/ and .c with .o
+OBJS := $(SRCS:$(SRC_DIR)/%.c=$(OBJ_DIR)/%.o)
+# Final executable name
+EXEC := $(BIN_DIR)/$(EXEC_NAME)
+
+# First rule is the default rule
+.PHONY: all
+all: $(EXEC)
+
+# Rule to create directories if they don't exist
+$(BIN_DIR) $(OBJ_DIR):
+	mkdir -p $@
+
+# Rule to create object files
+$(OBJ_DIR)/%.o: $(SRC_DIR)/%.c | $(OBJ_DIR)
+	@mkdir -p $(dir $@)
+	$(CC) $(CFLAGS) -c $< -o $@
+
+# Rule to create the executable
+$(EXEC): $(OBJS) | $(BIN_DIR)
+	$(CC) $(OBJS) $(LDFLAGS) -o $@
+
+# Clean rule to remove generated files
+.PHONY: clean
+clean:
+	rm -rf $(OBJ_DIR) $(BIN_DIR)
+
+# Debug rule to print variables
+.PHONY: debug
+debug:
+	@echo "Source files:" $(SRCS)
+	@echo "Object files:" $(OBJS)
+
+.PHONY: compiledb
+bear: clean
+	bear -- make