Re: cLinux on Nintendo Gameboy

From: Dave Huseby (dave_at_husebyhome.com)
Date: 12/02/03 

Date: Tue, 02 Dec 2003 07:29:21 GMT

Marcio Montenegro wrote:
> Game Boy Advanced has a 32 bit ARM7TDMI processor (RISC) with a CPU
> speed of about 16.67 MHz. It has also got its own graphics processor
> to support the main cpu . The game boy advanced includes a Z80
> processor which is used to run games for the old gameboy and gameboy
> color.
> You can run eCos on Game Boy Advanced or Game Boy Advanced SP.
> See http://www.charmedlabs.com
>
> Regards,
>
> Marcio

The GBA doesn't have a Z80 processor anywhere inside. The ARM7TDMI
processor can execute both 32-bit ARM instructions and 16-bit thumb
instructions. The games for the older game boys use the 16-bit thumb
mode for execution.

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