Keep track of x/y offset for render-to-tex.

Fixes intro in Valkyrie Profile now that we're wrapping correctly.
Ignore needShaderTexClamp when not texmapping.
Use an extra shader id bit to skip offsetting.

Since the vast majority of the time it will be 0.
Merge pull request #6259 from unknownbrackets/fbtex-offset

Apply byte offset when using rendered textures
Fix block transfer download with bpp mismatch.

Pretty sure this will take care of #6258.
cheat screen: Add shortcut to launch notepad with the current cheat file
Merge pull request #6260 from unknownbrackets/gpu-blocktransfer

Fix block transfer download with bpp mismatch
Fix intra-buffer blit at non-1x resolutions.

Oops.
Fix a debugger crash on shutdown.
Hook Tales of Phantasia X save pictures.

Maybe other games will use the same func even.  This makes save pictures
work correctly the first time.
Merge pull request #6263 from unknownbrackets/gpu-blocktransfer

Fix intra-buffer blit, Tales of Phantasia X save pictures
Remove a few TODOs that aren't relevant anymore.
Report unsupported RGB and a/stencil masks.
Typo.
Correct some depal format reporting.
Skip nop padding between functions.

Fixes graphical artifacts in Final Fantasy Tactics, recognizing memset and
memcpy.