Hello!

I tried as your instructions

But,"make depend"error...

-------------------------------------------------------------------

../../../../arch/atari/atari/locore.s :Assembler messages:
../../../../arch/atari/atari/locore.s : 880 Error : "instruction/operands
mismatch
" --Staterment 'lea #0xfffc00,%a0' ignored
../../../../arch/atari/atari/locore.s : 881 Warning : Unknown expression :
'(%a0)'
defaulting to 0
../../../../arch/atari/atari/locore.s : 882 Warning : Unknown expression :
'(%a0)'
defaulting to 0
../../../../arch/atari/atari/locore.s : 883 Error : "Unknown
operator" --Statermen
t 'bclr.w #2,0xff8007' ignored
***Error code 1

Stop.

----------------------------------------------------------------------
My mistake?

> Just to try things out, you could try to add to locore.s:
> lea    #0xfffc00,%a0 | Switches card ON
> movb   #3,(%a0) | via RST signal
> movb   #214,(%a0) | on keyboard ACIA
> bclr.w #2,0xff8007 | Blitter clock = BUS clock/2
>
> Just before the lines:
> /*
>          * let the C function initialize everything and enable the MMU
>          */
> jsr     _C_LABEL(start_c)
>

Regards,

Junya Takeuchi ( mail@jtake.net  ) http://jtake.net