🚀 GEMINI SHOOTER

📖 About the Game

Gemini Shooter is a classic space shooter created for Atari 8-bit computers in Mad Pascal. The game is inspired by a project described on AtariOnline.pl, where Gemini 3 Pro artificial intelligence was used to create a complete game for Atari.

✨ Main Features

🕹️ Controls

🎯 How to Play

1. Move your ship using joystick in 8 directions
2. Shoot enemies with the fire button
3. Avoid collisions with enemy ships
4. Score points by destroying enemies (10 pts × level)
5. Use megabomb in critical situations
6. Difficulty increases every 100 points

🔧 Technical Details

Specifications

Memory Layout

PMG Base:      $A000
Display List:  $A800
Screen Memory: $BC00

Sprites:
  Player 0: Player ship
  Player 1-2: Enemies
  Missiles: Player bullets

DLI Code Example

procedure DLIHandler; interrupt; assembler;
asm
  ; Get DLI line number
  ldx dliLine
  
  ; Load color for this line
  lda dliColors,x
  sta wsync
  sta colbak
  
  ; Move to next line
  inx
  cpx #24
  bcc @noReset
  ldx #0
@noReset:
  stx dliLine
  
  pla
  tax
  pla
  rti
end;

🛠️ Compilation

Requirements

• FreePascal Compiler (fpc)
• Mad Pascal 1.7.3+
• MADS Assembler 2.1.6+

Compiling Tools

# Compile Mad Pascal
cd MAD_Pascal/Mad-Pascal-1.7.3/src
fpc -Mdelphi -vh -O3 mp.pas

# Compile MADS
cd MAD_Pascal/Mad-Assembler-2.1.6
fpc -Mdelphi -vh -O3 mads.pas

Building the Game

cd GeminiShooter
./build.sh

# Or with custom path configuration:
export MP_PATH=/path/to/Mad-Pascal
export MADS_PATH=/path/to/Mad-Assembler
./build.sh

📚 Sources and Inspirations

The game was created based on:

• "De Re Atari" - Classic Atari programming manual
• "Altirra Hardware Manual" - Detailed hardware documentation
• "Poradnik programisty Atari" by Wojciech Zientara
• Mad Pascal - Examples from github.com/tebe6502/Mad-Pascal
• Gemini 3 Pro Project - AI-created game for Atari, described on AtariOnline.pl

🎯 Credits