We are developing an OS,But we can't proceed with normal C,we are in need of
basic interrupt routines,is it possible to use ROM BIOS functions,any alternatives please help us.
Libraries in C
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Khumba
RE:Libraries in C
What do you mean, "normal" C? Can you still use C, just not stdio stdlib etc? If your compiler's 16-bit (eg. C--), then you should be able to use interrupts directly, otherwise you'll need DOS.H (which has int86() in my djgpp).
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Chase
RE:Libraries in C
OSes weren't always the huge things that they are now. An os' job could almost be considered to provide a workin libc and task management. You might want to look into port or build libc.
If you really want to use ROM BIOS type stuff from within a PMode OS then you'll have to probably work on a virtual real mode process to do this. It's kinda like what DOS extenders do. You can find source to several free DOS extenders to see how they allow a process to run in PMode but still make BIOS calls.
-Chase
If you really want to use ROM BIOS type stuff from within a PMode OS then you'll have to probably work on a virtual real mode process to do this. It's kinda like what DOS extenders do. You can find source to several free DOS extenders to see how they allow a process to run in PMode but still make BIOS calls.
-Chase