> PS Bernd: Could you try to get in touch with some of the old
> experts to find any who can help me by fixing the kernel /
TURBO C/FAT32:
you mentioned 'linker complains: TGROUP exceeds 64KB' somewhere.
TGROUP is *all* code called near and is a fundamental limit of small
memory modell. If that's the problem, you got a real problem, as the
kernels memory model is a bit complicated, and restructuring it might
require serious work.
AFAIR TGROUP comprises both HMA_CODE (the part that later goes to HMA)
and INIT_CODE (used during initialization).
Since OW optimizes better then TC, this might be the problem, and OW
fits into < 64 KB, and TC requires more. This might end the TC
kernel...
> sys "compileability" on Turbo C and OpenWatcom? Thanks a lot!
that's easy: drop the tiny model and use small model instead; should
work with watcom RTL, or some (easy to write)
void far *dosalloc(long length)
{
union REGS ir;
ir.x.ax = 0x4800;
ir.x.bx = (uint)((length+15)>>4);
intdos(&ir, &ir);
if (ir.x.cflag & CARRY_FLAG)
return 0;
return MK_FP(ir.x.ax,0);
}
this does NOT work for tiny model programs !
Tom
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