ppmtoapplevol

Convert a PPM image into an Apple volume label image

$ ppmtoapplevol [path/to/image.ppm] > [path/to/output]

ppmtoapplevol [ppmfile]

ppmfile
    The PPM image file to convert. If no file is specified, ppmtoapplevol reads from standard input.

The ppmtoapplevol command converts a Portable Pixmap (PPM) image to an Apple II Hi-Res Graphics format volume file. This format is specific to the Apple II computer and is not a general-purpose image format. The command takes a PPM image as input and produces a binary file suitable for use on an Apple II emulator or, with appropriate transfer methods, on a real Apple II.

The Apple II HGR format is a low-resolution graphics mode compared to modern image formats. The conversion process involves mapping the colors and dimensions of the PPM image to the constraints of the Apple II's display capabilities. The resulting image will have noticeable pixelation and color limitations due to the Apple II's hardware restrictions. It's important to note that the target image is specifically designed for an Apple II and isn't compatible with modern image viewers. The ppmtoapplevol command is useful for creating graphics for vintage computing projects or emulating the Apple II experience.

The output is specific to the Apple II HGR format and will not display correctly on other systems without appropriate emulators or conversion tools. The output file is a binary file, not a standard image file format.

The output is a binary volume file suitable for loading and displaying on an Apple II. The specifics of the file format are geared towards the Apple II's memory layout and display hardware.

ppmtoapplevol is part of the Netpbm suite, a collection of graphics conversion tools that have been around since the early days of Unix and the Internet. It was developed to allow users to create Apple II-compatible images from more modern image formats like PPM. The command's usefulness is directly tied to the ongoing interest in Apple II emulation and retro computing.

ppm(5), pbmtoascii(1), ppmtogif(1)