#include <sys/movedata.h> void dosmemput(const void *buffer, int length, int offset);
This function transfers data from the program's virtual address space to MS-DOS's conventional memory space. The offset is a physical address, which can be computed from a real-mode segment/offset pair as follows:
offset = segment * 16 + offset;
The length is the number of bytes to transfer, and buffer is
a pointer to somewhere in your virtual address space (such as memory
obtained from malloc
) where the data will come from.
None.
not ANSI, not POSIX
unsigned short save_screen[25][80]; dosmemput(save_screen, 80*2*25, 0xb8000);
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