Added Virtual Joystick B

Fixed issues with TileEditor not writing to the tileset address.
Fixed asset loader issues with palettes in F256 mode.
Added second joystick - now A and B are available from menu.
Fixed issue with virtual joystick not accepting multiple buttons/key states.
Fixed issue with CPU window breaking for incorrect IRQ.
Second attempt at fixing BCD subtractions. The carry flag wasn't correct before.

Tile fixes and BCD substraction fix

Added loading of 16x16 and 8x8 sprites in asset loader.
Fixed a bug with sprites not shown when posY >= height - spriteSize or posX >= width - spriteSize.
Fixed issue with WindowX and large tiles. Also fixed the off by 1 issue with small tiles.
When resetting the machine, reset the tilestride...
Fixed SBC (substraction) bug when in decimal mode and the subtrahend is larger than the minuend (difference is negative).

Fixed Scrolling Window

Fixed annoying bug when importing sprites in Asset Window when in F256 mode.
Added dummy SNES controller - it only return $FF for every byte.
Adjusted tile scrolling for small tiles to account for overlap between SSX3 and X0.

F256K2e flat memory emulation

Merged the F256K2e flat memory fork - https://github.com/RetroPM/FoenixIDE
Fixed MemoryWindow issue for old machines, where paging would cause an uncaught exception.

SD Card sub-folders

Fixed trivial bug where the directory list is empty if the SD Card folder has no sub-folders.

Fixed RTC Alert Interrupts and stack overflow issue

PR #62: clandrew - Add --exec-breakpoint command line option for adding a breakpoint on launch.
Fixed the RTC not raising alerts correctly.
Fixed stack overflow issue with 6502 processor.

CPU Window Fixes

PR #61: clandrew - Don't let the user "add watch" on an invisible element
PR #60: clandrew - Fix problem where new breakpoints don't "take effect" until after you pause the debugger
PR #59: clandrew - Show debugger's breakpoint address instead of hardcoded FFFFFFFF

Fixed Gamma Offsets in F256K

Release 0.7.0.7

Fixed typo in CPU Window - Address was mis-spelled.
Fixed Gamma Offset for F256K.

Added missing F256K kernel files

Release 0.7.0.6

Added missing F256K kernel files: wget.bin and fm0*.bin

Added MessageBox for bulk.csv reference error

Updated the readme file to include the F256Ks.
Added a message box when a file referenced in bulk.csv is missing from kernel files.