rpi4-osdev/part12-wgt/wmiscb.c
2021-03-09 22:37:23 +00:00

20 lines
409 B
C

#include "wgt.h"
#include "include/mem.h"
extern short bx,by,tx,ty;
void wfreeblock (block ptr)
{
free (ptr);
}
short wgetblockwidth (block ptr)
{
return *(short *)ptr; /* Width is first 2 bytes of data */
}
short wgetblockheight (block ptr)
{
ptr += 2; /* Skip width */
return *(short *)ptr; /* Height is second 2 bytes of data */
}