Phantom Slayer for the Pimoroni PicoSystem 1.1.2

A retro-style 3D arcade game written in C++.

The original Phantom Slayer was created Ken Kalish for Med Systems. It was written in 6809 machine code for the Tandy Color Computer and was compatible with the Dragon 32 micro.

For more details on the game see this page.

Requirements

• Pimoroni PicoSystem.

The Code

Build the game from thse source code, or copy bin/phantom-slayer-1.1.2.uf2 to your PicoSystem. Please check the SHA 256 first:

a5875c8a103ff329cf6d739773c2cba91849eb2442588fef9715362aa2a30efb

Build the Code

This code requires the installation of the Pico SDK and the PicoSystem SDK.

• Use Visual Studio Code with the CMake and CMakeTools extensions:
  1. Click No active kit to select your compiler, GCC 10.3.1 arm-none-eabi:
     
  2. Click Build:
     
• From the command line:
  1. cd <YOUR_GIT_DIRECTORY>/pico-system-phantoms
  2. cmake -S . -B build/
  3. cmake --build build --clean-first

The Game

See this blog post for full details.

Read the original game instructions.

To Do

• Better sound!

Credits

This games is based on a 1982 original created by Ken Kalish of Med Systems for the Tandy Color Computer. The design is Ken’s; the code is mine, and I’ve taken only a few liberties with certain gameplay and visual details.

Release Notes

• 1.1.2 3 November 2022
  • Fix some timing issues introduced by the latest Picosystem SDK.
  • Fix a graphics state issue introduced by the latest SDK.
  • Improve RNG seeding.
  • Refactor some code.
• 1.1.1 29 November 2021
  • Bug fixes:
    • Phantoms' health could become huge -- fixed.
    • Dead phantoms could move -- fixed.
    • Refactor Phantom generation, movement.
• 1.1.0 19 November 2021
  • Initial release.