Stella 2.8

For many years, the Atari 2600 reigned supreme as the most popular game console on the market.
Years later, Ataris stranglehold on the market would dissipate as the Nintendo Entertainment System redefined 8-bit gaming, but die-hard fans and collectors still continue to support the Atari.
One would think that the weak Atari 2600 should be simple to emulate, because of its primitive architecture.
It is very difficult to write a efficient and working emulator because the Atari programmers used many devious tricks to make such an early machine to function.

Enhancements
- Added CRT simulation effects as described in the AtariAge posting
- CRT emulation for Stella. For now, this requires OpenGL 2.0 or
- greater with support for GLSL (GL Shading Language). This code
- will be expanded on and optimized in future releases.
- Adding editing of extended RAM in the debugger RAM UI. The RAM
- spreadsheet now shows the entire address space of RAM in the
- system, in 128 byte increments. The first bank shown is zero-page,
- with the others following in consecutive order. The UI takes care
- of read vs. write port differences, so you dont have to worry
- about the offsets. For now, all SuperChip based ROMs (EFSC, F4SC,
- F6SC, F8SC) as well as 3E, CV, E7 and FASC are supported.
- All ROMs which include SC extended RAM will now have memory erased if
- you attempt to read from the write port. Related to this,
- entering/exiting the debugger will no longer erase the extended RAM.
- Patching of ROM for bankswitch types 0840, SB, UA and X07 is now
- implemented, but hasnt been extensively tested.
- Visual improvements to the CPU register UI in the debugger; the
- SP/A/X/Y registers now have separate decimal and binary views.
- Tweaked paddle control so that all positions are reachable in game
- 4 of Activision Casino in both NTSC and PAL versions.
- SuperCharger/AR ROMs now start with a random value in the CPU
- accumulator. This should fix issues with Dragonstomper always
- starting in exactly the same state.
- Auto-detection for 3F bankswitching improved; several ROMs
- previously detected as F8 now work correctly.
- Updated internal ROM properties database to ROM-Hunter version 5
- (thanks go to RomHunter for his tireless research in this area).
- Added -exitlauncher commandline argument and associated UI item,
- to specify what happens when you exit a ROM. Normally, exiting a
- ROM brings up the ROM launcher, but this can be disabled for those
- using an external frontend (in which case exiting a ROM also exits
- from Stella).
- Re-added -fastscbios commandline argument, and added an associated
- UI item. When enabled, the SuperCharger load bars are now completely
- removed (and not just sped up as in previous releases).
- The -listrominfo commandline argument now shows all ROM
- information built in to the internal database, taking into account
- any information in personal stella.pro files.