CPU: Fixed a bug in Thumb STRH with register offset
MMU: Fixed accesses to DTCM when it has been mapped within main RAM
MMU: Added ITCM
GPU: Fixed a bug that closed the emulator when a BG was enabled before the VRAM banks were set up
GPU: Fixed a bug where the wrong screen base block would be used in some cases
GPU: Fixed some OBJ priority issues
GPU: Fixed some luma increase/decrease issues
GPU: Added support for extended palettes on text BGs
GUI: Memory viewer and disassembler now accept arbitrary addresses
GUI: Added an edit function to the memory viewer (click on a memory cell, enter a new value and hit "Set")
GUI: Fixed a few bugs in the palette and tile viewer dialogs