Posté le 12/09/2022 07:07
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Citer : Posté le 12/09/2022 07:13 | #
I never noticed this sentence in the past. The fx-9750GII and fx-7400GII do not support add-ins; they don't have any storage memory access in the OS (although the Flash memory is there). This is marketing problem. But you can flash an fx-9860GII OS on the former and it still works. I believe the second (Graph 25) has too little storage and even though there have been successful attempts at turning them into fx-9750GIIs you don't have enough room for an OS that supports add-ins.
Long story short, this isn't a problem.
The problems you will have when programming with the fx-9860G SDK are the SH3/SH4 CPU differences and maybe some ABI things. The fx-9860G SDK was designed for SH3 machines, and some fxlib functions no longer works on SH4, specifically IsKeyDown() and IsKeyUp(). This topic provides some workaround code more or less based on a custom keyboard driver to use instead. Note that GetKeyWait() never worked to begin with, you need to use the syscall directly. ABI-wise the code isn't compatible with GCC unless you use GCC with -mrenesas.