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- Subject: Re: [hatari-devel] Dynamic Bus Sizing and I/O Register Access
- From: Andreas Grabher <andreas_g86@xxxxxxxxxx>
- Date: Fri, 12 Jan 2024 19:58:00 +0100
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> Am 12.01.2024 um 19:41 schrieb Thomas Huth <th.huth@xxxxxxxxx>:
>
> Yes, right. This basically depends on what your I/O hardware (like the
> "glue" on the ST) is doing with the accesses on the bus.
>
> Do you know what's supposed to happen if the bootloader write a 32-bit word
> to 0x02010000 ? For example, if it wrote 0x12345678 to that address, which
> byte is supposed to end up in the brightness register?
>
> Thomas
In this example on real hardware (68030) it would write 0x78.
Andreas