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ppmtospu — Convert a PPM file to an Atari Spectrum 512 image. More information: <https://netpbm.sourceforge.net

Submitted by: @import:tldr-pages·Mar 2, 2026·

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Problem

How to use the ppmtospu command: Convert a PPM file to an Atari Spectrum 512 image. More information: <https://netpbm.sourceforge.net/doc/ppmtospu.html>.

Solution

ppmtospu — Convert a PPM file to an Atari Spectrum 512 image. More information: <https://netpbm.sourceforge.net/doc/ppmtospu.html>.

Convert a PPM file to an Atari Spectrum 512 image:

ppmtospu {{path/to/input.ppm}} > {{path/to/output.spu}}

Use a dithering matrix of the specified size (0 means no dithering):

ppmtospu -d{{0|2|4}} {{path/to/input.ppm}} > {{path/to/output.spu}}

Code Snippets

Convert a PPM file to an Atari Spectrum 512 image

ppmtospu {{path/to/input.ppm}} > {{path/to/output.spu}}

Use a dithering matrix of the specified size (0 means no dithering)

ppmtospu -d{{0|2|4}} {{path/to/input.ppm}} > {{path/to/output.spu}}

Context

tldr-pages: common/ppmtospu

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