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> > > zgv is using 3.8% of RAM (192MB) = 7MB
> > > xv 5.6% Xvesa 0.8% xinit 0.4% (no wm) = 13MB

In BL2 (1280 resolution?).

> > Why are you comparing zgv to xv?  The image viewer
> > in BL3 is xli.

In BL3, with an older zgv (4.2) and svgalib 1.3.1 (which is buggy, and 
crashed so I can't use that vt again without rebooting), 640x480x16 
(because Xvesa can't do 8-bit):

zgv 1.5% MEM = 2.9MB
xli - 1.3% + Xvesa 0.8% + xinit 0.2% = 2.3% MEM = 4.4MB

zgv uses less memory at 8-bit than 16-bit depth.

seejpeg would use slightly less memory than zgv
I don't have viewjpeg handy to test.

There is a precompiled svgalib 1.4.3 that might work more reliably even 
with zgv 4.2.

> > > Steven included seejpeg in BL1 along with libvga.
> >
> > I don't think so.  BL1 had a much smaller viewer
> > (I don't recall its name at the moment).
>
> Sorry, I must have added it myself.  I think yours only worked in 4-bit
> color but maybe that could be changed in libvga.config.
>
> viewjpeg:  svgalib fileviewer
> 1.0 Beta1
> 1995
> views jpeg gif bmp xpm xbm targa ppm
> netpbm can convert other formats to ppm

Did your version view all these formats?

I did not find source code for viewjpeg.
Seejpeg is provided by slackware.  It uses nearly as much RAM as zgv.

Sindi