Re: Cloning BOOT13, Pt.2

[Lyrical Nanoha <LyricalNanoha@dosius.net>]

On Tue, 29 Nov 2005, Linards Ticmanis wrote:

> I should add, the code in BOOT13.COM ends with a jump to address $1153; 
> here's what's to be found there:
>
> 0153 A9 A9     LDA #$A9
> 0155 8D 1F 03  STA $031F
> 0158 A9 60     LDA #$60
> 015A 8D 20 03  STA $0320
> 015D 4C 01 03  JMP $0301
>
> Obviously the code that gets loaded to 0301 still needs access to the boot 
> ROM code to do its job, and when it can't find it where it is expected, the 
> second stage of booting won't work.

I wonder how the normal BOOT13 gets around that.

-uso.