'unsigned long' variables don't work in 16-bit mode. They only work with 32-bit mode. In 16-bit mode, I think assigning a long variable more than 16-bits (64k) is broken into high-word and low-word. The low-word is used in the variable and the high-word is deleted.

unsigned long in 16-bit mode takes 2 bytes of RAM when it should be taking 4 bytes. So in another words:

sizeof(unsigned long)  == sizeof(unsigned short)

The following program prints "4" as expected when compiled with -ms or -ml:

--------------------------------------------------------------------
#include <stdio.h>

void main()
{
 printf("%d\n", sizeof(unsigned long));
}
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    Imran Haider wrote in message <9piqdp$247e$1@digitaldaemon.com>...
    'unsigned long' variables don't work in 16-bit mode. They only work with 32-bit mode. In 16-bit mode, I think assigning a long variable more than 16-bits (64k) is broken into high-word and low-word. The low-word is used in the variable and the high-word is deleted.

    unsigned long in 16-bit mode takes 2 bytes of RAM when it should be taking 4 bytes. So in another words:

    sizeof(unsigned long)  == sizeof(unsigned short)