CPI

File Format
Name	CPI
Ontology	Electronic File Formats Fonts CPI
Extension(s)	.cpi

For other "CPI" formats, see: Blu-ray Clip info, CPI (ColorLab), Marco Pixel Editor, Cartesian Perceptual Compression.

CPI is a file format describing DOS code page fonts.

There is also a compressed "DRFONT" variant.

FreeDOS MODE also supports CPX files in addition to CPI; they are CPI files compressed with UPX as if they were COM files.

Identification

CPI files normally begin with 0xff "FONT   ", or 0xff "FONT.NT".

DRFONT files begin with 0x7f "DRFONT ".

Specifications

• CPI file format, by John Elliott
• The cpi.txt file from PSF Tools (doc/cpi.txt in the source code).
• CPI file format in Ralf Brown's: #01758, #01759, #01760, #01761, #01762, #01763, #01764, #01765

Software

• PSF Tools
  • cpi2psf, psfs2cpi - Read, write
  • cpicomp, cpidcomp - Compress, decompress
  • cpitest - Dump information about the file (not normally installed)