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grumpycoders / pcsx-redux

The PCSX-Redux project is a collection of tools, research, hardware design, and libraries aiming at development and reverse engineering on the PlayStation 1. The core product itself, PCSX-Redux, is yet another fork of the Playstation emulator, PCSX.

Home Page:https://pcsx-redux.consoledev.net

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Accessing `psxRegisters` struct incorrectly causes crash to desktop

alam0rt opened this issue · comments

commented

While writing a lua script, I was incorrectly accessing the registers like so

    local regs = PCSX.getRegisters()
    local offsets = regs.a0

This was causing pcsx-redux to crash to desktop with no warning/error/logging

Fixing the script to use the correct fields

    local regs = PCSX.getRegisters()
    local offsets = regs.GPR.n.a0

fixed the issue, but the problem remains that the applicaton crashed from illegally accessing a struct field that didn't exist.

I'd expect that the application would handle this without crashing.

pcsx-redux-nightly-14035.20230321.9-x64

commented

So, I just tried locally, and I got properly a Lua error saying there's no a0 field in the regs structure... I'm not sure how this is different between what you're doing and me locally.