Hacking [EZFLASH4] Trained ROMs don't work or what am i doing wrong?

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Hi all
after some years of not playing i bought myself a GBA micro (to complete my hardware) and an EZ-Flash IV.

but there is something different on the micro, trained games do not work:
1. gfx errors in the trainer
2. crashes before real game

i tested this with my gba sp and there the games work...

is there a solution to this problem?
 

Shadow#1

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Hi all
after some years of not playing i bought myself a GBA micro (to complete my hardware) and an EZ-Flash IV.

but there is something different on the micro, trained games do not work:
1. gfx errors in the trainer
2. crashes before real game

i tested this with my gba sp and there the games work...

is there a solution to this problem?
How do u trim gba roms?
 
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How do u trim gba roms?
is trimmed one of the roms i tried this with, but that didn't make a difference.
i used gbata for trimming.
i also tested ezgba.

to be clear:
i have a ez-flash with microsd and a game on it, which i load into ram (not nor, maybe should've mentioned that before)
works on gba sp, but fails on gba micro

(and the untrained rom works on both devices, but that is not the point here)
 
Last edited by mrgone,

Shadow#1

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is trimmed one of the roms i tried this with, but that didn't make a difference.
i used gbata for trimming.
i also tested ezgba.

to be clear:
i have a ez-flash with microsd and a game on it, which i load into ram (not nor, maybe should've mentioned that before)
works on gba sp, but fails on gba micro

(and the untrained rom works on both devices, but that is not the point here)
Don't use trainers
 

FAST6191

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Very odd.
When you say trainers do you mean the scene stuff and likes of http://gba.dellicious.de/gbatrainer/ or GBAATM/GABSharky type things?

There are not any hardware differences that should play into this. It is also not like the rechargeable battery problem (the 1.2V of the average rechargeable battery vs 1.5 of others troubles writing the NOR)

If trimming does not play into it (at lot of trainers stuck things at the end of the game and trimming can make it tricky).

My thoughts then wander to whether it is making good contact or not. Back when people were having issues with micro to mini adapters and such like it was seen smaller games worked more readily as there was less chance of a copying error and if it is the end of a 16 meg ROM you trained (one which would trim to far less and unlike the trainer, which was basically a self contained program at the end of the ROM, run its CPU code from even earlier in the game).
In that case clean the contacts and stick a bit of paper folded a few times behind the pins.
 

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