#if 0
printf("::: DDScrollBuffer.c: DDScrollBuffer_Blt(): blit from %d, %d [%ld, %ld] [%ld, %ld]\n",
SR.left, SR.top, mScrollX, mScrollY, mDestXOff, mDestYOff);
#if 0
printf("::: DDScrollBuffer.c: DDScrollBuffer_Blt(): blit from %d, %d [%ld, %ld] [%ld, %ld]\n",
SR.left, SR.top, mScrollX, mScrollY, mDestXOff, mDestYOff);