Setup uvision 5 simulatorstarting from RAM

Hello, I'm trying to start the simulator of Keil v5 with PC in RAM.

I've locate all my code in RAM at the address 0x20000000, no flash or rom available.

Basically same as https://community.arm.com/developer/tools-software/tools/f/keil-forum/34203/how-to-setup-keil-uvision5-target-to-run-code-from-ram-not-flash that was not resolved.

Someone can help?

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