Z80 Sudoku Challenge – Memory Map

Program code: $8000 upward.

Sudoku board (in-place): $A000–$A050 (81 bytes).

Working region (proposed): $A100–$A1FF for temporary masks and solver metadata.

Stack: grows downward from default system stack (assumed high RAM, e.g. near $FFFE).

Notes

Exact boundaries to be finalised once recursion depth and frame size are calculated.