VGA: Further simplify scrolling code.

Introduce memcpy_stride and memset_stride functions.
Simplify the moves and fills using src and dest pointers.
Don't nest for loops - just use one loop for copies.
2 files changed
tree: 8e3acd22988ef6f1b513c12d5b8593eb9c6e1a1a
  1. .gitignore
  2. COPYING
  3. COPYING.LESSER
  4. Makefile
  5. README
  6. TODO
  7. src/
  8. tools/
  9. vgasrc/