John Coppens wrote: > > Yes... The logger calls Int16, which works fine, except that in that case > the TSR stops working, because both 'hooks' to 'stimulate' the TSR (Int > 1C and 28) stop working (see below). Note that both 1Ch and 28h are > 'voluntary' interrupts, called only when DOS is idle. So while in the > (BIOS's) Int16, DOS won't be able to call them. The program does use Int16, function AH=0x10. You would need to also hook Int16 so that it "stimulates" your TSR program. > > > And at F000:C016 is a HLT. I suspect this is part of the mechanism dosemu > uses to emulate. > That is correct, the HLT causes the dosemu to callout of DOS back into the dosemu program to process the BIOS call. I would probably take this approach: Modify dosemu, or dosbox so that the BIOS call reads keyboard input from a unix pipe. Then you can simply cat characters into the pipe from a shell and the dos program will receive them. Then you would not need a TSR at all! James - To unsubscribe from this list: send the line "unsubscribe linux-msdos" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
