/* * test source file for assembling to Microsoft 16-bit .OBJ * build with (16-bit Microsoft C): * nasm -f obj objtest.asm * cl /AL objtest.obj objlink.c * other compilers should work too, provided they handle large * model in the same way as MS C */ #include char text[] = "hello, world\n"; extern void function(char *); extern int bsssym, commvar; extern void *selfptr; extern void *selfptr2; int main(void) { printf("these should be identical: %p, %p\n", (long)selfptr, (long)&selfptr); printf("these should be equivalent but different: %p, %p\n", (long)selfptr2, (long)&selfptr2); printf("you should see \"hello, world\" twice:\n"); bsssym = 0xF00D; commvar = 0xD00F; function(text); printf("this should be 0xF00E: 0x%X\n", bsssym); printf("this should be 0xD00E: 0x%X\n", commvar); return 0; }