Atarimax Product Discussion Forums

EXE Loader Base Address question
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Author:  Atarileaf [ Sat Jan 20, 2018 4:47 pm ]
Post subject:  EXE Loader Base Address question

I've been using the USB Programmer to success most of the time. Some files however don't work. You get a blank screen at boot up or crash at a boot up screen. In two instances - Mr. Do and HERO - I found I needed to change the EXE Loader Base Address to 0x0400 to get the game to load and with the homebrew of Bosconian I had to change it to 0x0300.

Is there any way to know before you program an 8meg cart which games need these address changes? Previewing them is of no help because each of these games worked fine in Altirra with the default 0x0100 but would not load on real hardware with the default address. Any hints or tips about this? Are there many game roms out there that need their default address changed to work on a real 800XL? Constantly reprogramming the cart is a bit of a pain as you try to figure out what the magic word is with each game.

Author:  _The Doctor__ [ Fri Feb 02, 2018 10:44 am ]
Post subject:  Re: EXE Loader Base Address question

Altira should not do that, it's suppose to emulate a real Atari...

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