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Gopher2600 v0.13 is released. Gopher2600 is an emulator for the Atari 2600. Whilst the performance is not as efficient as some other emulators it is none-the-less suitable for playing games, on a reasonably modern computer, at the required 60fps. (The development machine for Gopher2600 has been an i3-3225, dating from around 2012.)

Gopher2600 v0.13 changelog:
- Counting of PC access no longer assumed to be in Flash or MAM. Can be in SRAM too
- Counting of data access no longer assumed to be in SRAM
- MAM estimation improved
- ARM7 disassembly window shows cycle profile
- "Immediate Mode" option added (mimicking Stella's mode of operation)
- "Abort on Illegal Memory Access" option. Ends ARM program prematurely. Will log illegal access in all instances.
ARM7 corrections
- bug in LDMIA if base register was part of the load
- format 15 CMP instruction did not set status flags correctly
ARM7 model selectable
- Models supported: LCP2000, STM32F407VGT6
- Memory map only. Other performance characteristics might be different
- Work in progress: change through config file
- Disassembly path detection improved
- Corrected use of read symbols used in disassembly. Write symbols were
used in error in some situations.
MNetwork (E7) fingerprinting accuracy
- CRT ghosting now only applied horizontally
- settings for ghosting in CRT preferences
- Frame size detection less aggressive
- Screen roll sensitivity preference
Multiple gamepads/sticks supported
- All control player zero currently
- Other players will be supported once a suitable mechanism for
allocating controllers has been settled on
TIA/RIOT corrections
- playfield region now longer relatches if PF0/PF1/PF2 is updated
- refined RESPx under HMOVE (TIA revision dependent)
- RIOT timer boundaries
Playmode is pausable
Debugging screen break menu fixed

Download: Gopher2600 v0.13

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