![]() ![]() See "Emulator Limitations" on page 1-8 for specific information about the known operational differences between the 68LC040 Emulator and a 680x0 microprocessor. ![]() If you choose not to rebuild your application for the PowerPC environment, you should at least make certain that it doesn't violate any of the known restrictions on the emulator. You should read this chapter if you want your application to run on PowerPC processor-based Macintosh computers, either under the 68LC040 Emulator or in the PowerPC native environment. See "The PowerPC Native Environment" beginning on page 1-19 for complete instructions on doing this. For example, if your application directly accesses information stored in low memory (such as system global variables) or in its A5 world, you might need to rewrite parts of your application to remove the dependence on that information. In cases where your application (or other software) relies on features of the 680x0 run-time environment, you'll need to modify your application before recompiling it as a PowerPC application. Although the process-scheduling mechanism used for both native and emulated applications has not changed, the run-time environment for PowerPC applications is significantly different from the run-time environment used for 680x0-based Macintosh applications. This chapter also describes the native PowerPC execution environment. #Playstation emulator mac powerpc softwareThe 68LC040 Emulator and the Mixed Mode Manager also make it possible for parts of the system software to remain as 680x0 code, while other parts of the system software are reimplemented (primarily for reasons of speed) as native PowerPC code. These two new system software services work together to allow existing 680x0 applications, extensions, drivers, and other software to execute without modification on PowerPC processor-based Macintosh computers. It describes the mixed environment provided by the 68LC040 Emulator and the Mixed Mode Manager. This chapter is a general introduction to the system software provided on PowerPC processor-based Macintosh computers. ![]() Inside Macintosh: PowerPC System Software /Ĭhapter 1 - Introduction to PowerPC System Software Introduction to PowerPC System Software (IM: PS) ![]()
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