09 February 2014, 15:45 | #1 |
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Config file backward compatibility
A little tip for anyone having issues using a config saved with WinUAE 2.7.0 with earlier WinUAE versions...
I wanted to use my current config with an earlier version of WinUAE. But since adjusting the config and saving with a newer version, something about it causes older versions to crash. The config works with WinUAE 2.7.0. With WinUAE 2.6.1, loading and starting emulation gives this log output: JIT: Can't handle access 00839A40! JIT: Can't handle access 7BC52DE4! ... that line repeated many times ... JIT: Can't handle access 7BC52DE4! Segmentation fault Loading the config, disabling JIT and starting emulation just reports Segmentation fault Similar result with WinUAE 2.6.0, except there without JIT it reports: ExceptionFilter Trap: 09B96AAC 38E800E2 00000000 Segmentation fault It turns out that the cause of the problem was using the new line mode settings in WinUAE 2.7.0. In the config I have line mode set to Double and interlaced line mode set to Double, fields. For whatever reason earlier versions of WinUAE don't like that; no Line mode radio button is selected when I load the config. After setting line mode to Double I was able to start emulation as normal. |
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