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  1. dongshandle

    Simple Assembly code got system error,any hints?

    My simplest "hello world" assembly code can compile and link. But everytime I tried to run it, just got system error "The program tried to execute an invalid instruction". First, I thought it's because 386 up CPUs run under Protected Mode in default and I need to use DPMI...
  2. dongshandle

    Anybody knows how to call DPMI services in VC6.0?

    I am writing a Win32 console application to call a DOS interrupt handler. When I wrote inline assembly code to call "int 31h" with the interrupt number in BX and 0300 in AX, a General Protection Fault came out and the system crashed. Can anybody tell how to fix that?

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