I just downloaded the source, and after much scrounging around I found my old Borland 3.1 compiler.. I built the un.exe, and it does the same thing.. blank screen, and off to nowhere... so I started to add some printf's...

Such as this bit in ken\main.c

craftproc();

printf("main.c craftproc()\n");

initdevices();

printf("main.c initdevices()\n");

cinit();

printf("main.c cinit()\n");

binit();

printf("main.c binit()\n");

and I modified dmr\cov.c

initvid()

{

// if (video==1)

// (gdt_beg+6)->base_l =0;

outbyte (VIDCA,VIDCSTART);

outbyte (VIDCD,0);

outbyte (VIDCA,VIDCEND);

outbyte (VIDCD,14);

outbyte (VIDCA,VIDADDRL);

outbyte (VIDCD,0);

outbyte (VIDCA,VIDADDRH);

outbyte (VIDCD,0);

// clear_screen(vd_attr);

cosilence();

}

so I could see some more.. it seems to initialize ok under virtual PC.. I think the next thing is to dig for some more info on the 1^st task.. My Lyons book is somewhere as I want to create a dummy task that prints "a", and a second one that prints "b", so I can test the scheduler and get "abababababba" or something like that..

Another thing I noticed after trying to build the userland is that crt0.asm is missing.. I'm too much of a newbie to construct that though.. Anyways I'll try to get further this weekend either with my Lyons book, or with v6 on simh.