68 lines
4.3 KiB
Markdown
68 lines
4.3 KiB
Markdown
# C64 BASIC Collection
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Ten small, polished programs for the Commodore 64, written entirely in stock
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Commodore BASIC V2. The collection mixes arcade action, puzzles, simulations,
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creative tools, sound, and visual effects. No cartridge, BASIC extension, or
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machine-language payload is required.
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## Programs
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| Program | Type | Controls | Description | Run locally |
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| --- | --- | --- | --- | --- |
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| [Meteor Dodge](meteor-dodge/meteor-dodge.bas) | Arcade | `A`, `D`, `Q` | Dodge falling meteors and build your score. | [Run program](http://localhost:8134/?program=meteor-dodge%2Fmeteor-dodge.prg) |
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| [Code Breaker](code-breaker/code-breaker.bas) | Logic | `0`-`9`, `Q` | Deduce a four-digit secret in ten guesses. | [Run program](http://localhost:8134/?program=code-breaker%2Fcode-breaker.prg) |
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| [Submarine Hunt](submarine-hunt/submarine-hunt.bas) | Strategy | Row, Column, `Q` | Find three hidden submarines with limited sonar shots. | [Run program](http://localhost:8134/?program=submarine-hunt%2Fsubmarine-hunt.prg) |
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| [Lunar Lander](lunar-lander/lunar-lander.bas) | Simulation | `0`-`9`, `Q` | Choose engine burns and touch down gently. | [Run program](http://localhost:8134/?program=lunar-lander%2Flunar-lander.prg) |
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| [Memory Matrix](memory-matrix/memory-matrix.bas) | Memory | `1`, `2`, `3`, `4`, `Q` | Repeat a growing sequence of flashing quadrants. | [Run program](http://localhost:8134/?program=memory-matrix%2Fmemory-matrix.prg) |
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| [Robot Maze](robot-maze/robot-maze.bas) | Puzzle | `W`, `A`, `S`, `D`, `Q` | Navigate a freshly generated maze to its exit. | [Run program](http://localhost:8134/?program=robot-maze%2Frobot-maze.prg) |
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| [Music Box](music-box/music-box.bas) | Music | `A`-`K`, `1`, `2`, `3`, `Q` | Play the SID chip as a small computer keyboard. | [Run program](http://localhost:8134/?program=music-box%2Fmusic-box.prg) |
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| [Pixel Painter](pixel-painter/pixel-painter.bas) | Creative | Cursor keys, Space, `C`, `Q` | Draw character-cell pictures on the screen. | [Run program](http://localhost:8134/?program=pixel-painter%2Fpixel-painter.prg) |
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| [Stock Trader](stock-trader/stock-trader.bas) | Simulation | `B`, `S`, `W`, `Q` | Trade a volatile stock over twenty market days. | [Run program](http://localhost:8134/?program=stock-trader%2Fstock-trader.prg) |
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| [Starfield](starfield/starfield.bas) | Demo | `1`, `2`, `3`, `Q` | Watch and control a layered animated starfield. | [Run program](http://localhost:8134/?program=starfield%2Fstarfield.prg) |
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## Running the programs
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Start the local browser app with Docker Compose:
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```text
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docker compose up --build -d
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```
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Open [http://localhost:8134](http://localhost:8134), or click a **Run program**
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link in the table. The app runs the VICE x64sc core through WebAssembly and
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downloads the selected PRG through its own backend, avoiding browser CORS
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restrictions. Click inside the emulator to enable keyboard input and sound.
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Direct keyboard input is enabled by default, mouse locking is disabled, and
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moving the pointer anywhere over the emulator reveals its control bar.
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Docker Compose mounts this repository read-only at `/programs`, and the app
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serves PRG files from that local mount. There is no runtime dependency on the
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Git server and no browser CORS boundary. Add a program to `programs.json` and
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place its PRG in the referenced path; it appears after clicking **Refresh list**
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without rebuilding the image. The default host port is configured as `8134` in
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`.env`.
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Each directory contains an editable, line-numbered `.bas` listing and a matching
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tokenized `.prg` file. The PRGs use the normal C64 BASIC load address, `$0801`.
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On a Commodore 64, transfer a PRG to disk or another supported medium, then use:
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```text
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LOAD"METEOR-DODGE.PRG",8
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RUN
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```
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Substitute the filename and device number as needed. In VICE or another C64
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emulator, drag a PRG into the emulator window or use its autostart command.
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## Source format
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The `.bas` files are plain ASCII for comfortable reading and editing on a modern
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computer. They use uppercase BASIC V2 keywords and avoid embedded control-code
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glyphs. Their corresponding `.prg` files contain the tokenized PETSCII program
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that the C64 loads directly.
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All programs are self-contained and designed for an ordinary PAL or NTSC
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Commodore 64. Randomized programs seed BASIC's random-number generator from the
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machine clock, so every session is different.
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