> Thank you for your responses, and I know different games switch dynamically its > resolutions for certain modes and effects and MAME has to support the lowest multiply > of every possible resolution the system uses but what I am asking here is: Is there > anyway (no matter if its a source edit) that I can force MAME to only pick the > 256x224 resolution on the SNES driver? its because the games I play I know certainly > doesn't change this resolution as other do... > > I was trying to limit the resolution selecting routine but got lost on the source > since I couldn't understand the ppu code...
well you got your answer
no, there is no easy way
MAME isn't the type of emulator to offer easy options to break things on purpose.
You might know the games don't use those resolutions, the emulated machine has no way of knowing.