194 lines
5.3 KiB
Markdown
194 lines
5.3 KiB
Markdown
# 🎮 Tic-Tac-Toe Assembly Game
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A classic Tic-Tac-Toe game implemented in 8086 Assembly language with graphics, sound effects, and mouse support.
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## 🎯 Features
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- **🎨 Graphics Mode**: VGA graphics with colorful display
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- **🖱️ Mouse Support**: Click-to-play interface
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- **🔊 Sound Effects**: PC speaker sound feedback
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- **👥 Two Players**: Human vs Human gameplay
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- **🏆 Win Detection**: Automatic win/draw detection
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- **🎵 Game Over Sounds**: Audio feedback for game completion
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## 📋 Game Components
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The project is organized into modular assembly files:
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| File | Purpose |
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|------|---------|
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| `main.asm` | Main program entry point and control flow |
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| `game.asm` | Core game logic and win detection |
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| `draw.asm` | Graphics rendering (circles, crosses, grid) |
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| `sound.asm` | PC speaker sound effects |
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| `logic.asm` | Mouse handling and timer interrupts |
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| `data.asm` | Game variables and constants |
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## 🛠️ Requirements
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### Software Requirements
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- **DOS-compatible system** or **DOS emulator** (DOSBox recommended)
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- **MASM** (Microsoft Macro Assembler) or compatible assembler
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- **LINK** (Microsoft Linker)
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- **VGA-compatible graphics adapter**
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- **Mouse driver** (for mouse support)
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### Hardware Requirements
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- **8086 or higher processor**
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- **VGA graphics capability**
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- **PC speaker** (for sound effects)
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- **Mouse** (optional but recommended)
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## 🚀 Setup & Installation
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### Option 1: Using DOSBox (Recommended)
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1. **Install DOSBox**:
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- Download from [DOSBox official website](https://www.dosbox.com/)
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- Install following the instructions for your OS
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2. **Setup DOS Development Environment**:
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```bash
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# Mount your project directory
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mount C: E:\git\tictactoe
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C:
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# You'll need MASM and LINK utilities
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# These should be available in your DOS development environment
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```
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3. **Assemble and Link**:
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```bash
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MASM main.asm;
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LINK main.obj;
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```
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### Option 2: Using DOSEMU (Linux)
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1. **Install DOSEMU**:
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```bash
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sudo apt-get install dosemu
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```
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2. **Setup and compile** as described above
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## 🎮 How to Run
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1. **Start the game**:
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```bash
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MAIN.EXE
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```
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2. **Main Menu**:
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- Press `1` - Start Human vs Human game
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- Press `2` - Exit game
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- Press `ESC` - Return to main menu during game
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3. **Gameplay**:
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- Use mouse to click on grid squares
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- Player 1 (X) plays first
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- Players alternate turns
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- First to get 3 in a row wins!
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## 🎯 Game Rules
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- **Objective**: Get three of your marks (X or O) in a row
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- **Winning Conditions**:
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- 3 in a row horizontally
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- 3 in a row vertically
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- 3 in a row diagonally
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- **Draw**: All squares filled with no winner
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## 🎨 Graphics & Sound
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### Graphics Features
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- **VGA Mode 12h**: 640x480 16-color graphics
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- **Colorful Interface**: Different colors for X's and O's
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- **Grid System**: 3x3 clickable game board
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- **Pixel-perfect Drawing**: Custom circle and cross rendering
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### Sound Features
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- **Place Sound**: Feedback when placing X or O
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- **Game Over Sound**: Victory/draw notification
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- **PC Speaker**: Classic retro sound effects
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## 🔧 Technical Details
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### Memory Model
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- **Small Model**: Code and data in separate 64KB segments
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- **Stack**: 256 bytes allocated
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### Interrupts Used
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- **INT 10h**: Video services
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- **INT 21h**: DOS services
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- **INT 33h**: Mouse services
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- **INT 16h**: Keyboard services
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- **INT 1Ch**: Timer interrupt
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### Graphics Implementation
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- **Digital Differential Analyzer**: For smooth circle drawing
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- **Pixel-level control**: Direct VGA memory manipulation
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- **Color mapping**: 16-color palette utilization
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## 📁 File Structure
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```
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tictactoe/
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├── main.asm # Main program entry point
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├── game.asm # Game logic and rules
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├── draw.asm # Graphics and drawing functions
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├── sound.asm # Sound effects
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├── logic.asm # Mouse and timer handling
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├── data.asm # Variables and constants
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├── MAIN.EXE # Compiled executable
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├── MAIN.OBJ # Object file
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├── MAIN.MAP # Memory map
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└── readme.md # This file
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```
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## 🐛 Troubleshooting
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### Common Issues
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1. **"File not found" errors**:
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- Ensure all `.asm` files are in the same directory
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- Check file paths in INCLUDE statements
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2. **Graphics not displaying**:
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- Verify VGA compatibility
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- Check video mode support
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3. **No sound**:
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- Ensure PC speaker is functional
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- Check DOS sound settings
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4. **Mouse not working**:
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- Install mouse driver (`MOUSE.COM` or similar)
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- Verify mouse hardware connection
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### Assembly Errors
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- Ensure MASM version compatibility
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- Check syntax for 8086 instruction set
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- Verify memory model directives
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## 👨💻 Author
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**Elmar Kresse** - 19-INB-1 (2021)
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## 🏆 Acknowledgments
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- Circle drawing algorithm inspired by Digital Differential Analyzer
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- Sound implementation reference: [8086 Assembly Sound Tutorial](http://muruganad.com/8086/8086-assembly-language-program-to-play-sound-using-pc-speaker.html)
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- Classic DOS game development techniques
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## 🎮 Screenshots
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*Game runs in VGA graphics mode with a colorful 3x3 grid interface*
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---
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**Enjoy playing this retro Tic-Tac-Toe game! 🎯** |