Solitaire C64

A classic Klondike solitaire card game for the Commodore 64, written in c65gm.

Features

Full Klondike Solitaire: Stock, waste, 7 tableaus, and 4 foundation piles
Dual Input Support: Play with joystick or 1351 mouse
Draw Modes: Toggle between draw-1 and draw-3 gameplay
Custom Graphics: Character-based card rendering using extended color mode
Sprite Cursor: Visual pointer for card selection and movement
Smart Shuffling: Hardware-seeded RNG for true randomness

Technical Details

Language: c65gm (C-like language for 6502/C64) Memory Layout: Code at $3000, custom charset at $2000 Graphics: Extended Color Mode (ECM) with custom character set Input: CIA joystick ports + 1351 proportional mouse support

Building

Requires the c65gm compiler and ACME assembler:

./cm.sh

Outputs main.prg ready to load on C64 or emulator.

Project Structure

cardgame.c65 - Main entry point and initialization
gameloop.c65 - Game loop, interaction, and pile detection
cardmoves.c65 - Move validation and execution logic
cardrender.c65 - Card and pile rendering routines
carddeck.c65 - Deck shuffling and dealing
mouse.c65 / joystick.c65 - Input handling
pointer.c65 - Sprite cursor management
cardsprites.c65 - Sprite data for cursor

License

See LICENSE file for details.

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