From: André Fachat (afachat_at_gmx.de)
Date: 2006-12-21 21:46:14
Would this one
http://www.6502.org/users/andre/petindex/drives/progs/index.html
work for a 1541 as well?
André
-------- Original-Nachricht --------
Datum: Thu, 21 Dec 2006 16:41:22 +0100
Von: Spiro Trikaliotis <ml-cbmhackers@trikaliotis.net>
An: cbm-hackers@ling.gu.se
Betreff: Re: VIC-1541 problem
> Hello,
>
> * On Mon, Dec 18, 2006 at 08:15:28AM +0100 I wrote:
>
> > 10 OPEN 1,8,15
> > 20 POKE 55,0:POKE 56,96:CLR:REM Make ROM for the image
> > 30 AD=24576
> > 40 FOR HI=224 TO 255
> > 45 PRINT HI:REM Output as progress indicator
> > 50 FOR LO=0 TO 255 STEP 32
> > 60 PRINT#1,"M-R"CHR$(LO)CHR$(HI)CHR$(32)
> > 70 FOR VAL=0 TO 31
> > 80 GET#1,A$:POKE AD,ASC(A$+CHR$(0))
> > 90 AD=AD+1
> > 100 NEXT VAL
> > 110 NEXT LO
> > 120 NEXT HI
>
> Just for the records: This program does the following: It reads the ROM
> >from $E000-$FFFF.
>
> > Running this program (with the -03 ROM installed in your floppy #8), you
> > will see a counter going from 224 to 255. After the program stopped,
> > the image of the ROM will be at $6000-$9FFF.
>
> So, the higher ROM will be in $6000-$7FFF. If one wants to get the full
> ROM dump, one should change line 40 to
>
> 40 FOR HI=192 TO 255
>
> Thus, in the original version of the program, to save the ROM, change
> the line
>
> > POKE 43,0:POKE 44,96:POKE 45,0:POKE 46,160:SAVE "ROM-03",8
>
> to read as follows:
>
> POKE 43,0:POKE 44,96:POKE 45,0:POKE 46,128:SAVE "ROM-03",8
>
> If you modified line 40 as given above, you have to use the original
> version of the line.
>
>
> Nevertheless, I was able to extract your ROM out of the file you send
> me. It is exactly an original -03 ROM as found on FUNET - erm,
> zimmers.net. ;)
>
> Regards,
> Spiro.
>
> --
> Spiro R. Trikaliotis http://opencbm.sf.net/
> http://www.trikaliotis.net/ http://www.viceteam.org/
>
> Message was sent through the cbm-hackers mailing list
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