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gypplay self-boot (using cdrecord)?

 
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msg

External


Since: Jul 27, 2005
Posts: 2



(Msg. 1) Posted: Wed Jul 27, 2005 7:56 am
Post subject: gypplay self-boot (using cdrecord)?
Archived from groups: alt>games>video>sega-dreamcast (more info?)

Greetings:

Having problems making a self-boot gypplay cd (using Schilly cdrecord):

The archive 'gypplay_liksangedition.zip' contains a 1ST_READ.BIN and
IP.BIN which may not be useable for self-booting; I would appreciate
pointers to the correct versions.

The standard procedure for creating a bootable cd using cdrecord tools
is:

1. burn the cd in multisession with four seconds of audio
2. make and isofs of the program and data and include 1ST_READ.BIN
3. patch the start of the iso image with an IP.BIN (using 'dd' or
or other tools)
4. burn the data session as 'xa1' using the patched iso image.

This procedure works fine to boot linux for example, but so far no go
with gypplay.

A poster in 2001 with a similar problem received no replies:
-----------------------------------------------------------------------------
Newsgroups: alt.games.video.sega-dreamcast
From: Nicholas Clark <sko... DeleteThis @home.com>
Date: Sat, 21 Jul 2001 18:21:35 GMT
Local: Sat,Jul 21 2001 1:21 pm
Subject: Making DC-Mp3 Self-bootable?

Has anybody had any luck using the self-boot toolkit to make DCMp3
self-bootable? I followed the instructions
to the tee, but it didn't boot! I'll write out what I did.

1) copied the DCMp3 contents into the \selfboot\data directory
2) moved 1st_read.bin & ip.bin fron the \selfboot\data to \selfboot
3) ran 'cdrecord -dev=1,0,0 -multi -audio audio/raw speed=2'
4) ran Binhack.exe, using 1st_read.bin and ip.bin
5) moved 1st_read.bin back into \selfboot\data
6) ran 'mkisofs -C 0,11072 -V gyplay -l -o data.iso data
7) ran ipins.exe using ip.bin and data.iso
Cool ran 'cdrecord -dev=1,0,0 -xa1 -speed=2 data.iso'

I got the numbers 1,0,0 by running 'scanbus.bat'
I got the number 11702 by running 'cdrecord -dev=1,0,0 -msinfo'

So, does anybody know what went wrong?
-----------------------------------------------------------------------------

All replies much appreciated

Michael
email msg _at_ cybertheque _dot_ org

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msg

External


Since: Jul 27, 2005
Posts: 2



(Msg. 2) Posted: Wed Jul 27, 2005 12:34 pm
Post subject: Re: gypplay self-boot (using cdrecord)? [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)

Problem resolved: newer versions of cdrecord define mode 'xa' data
size as multiples of 2048 bytes while mode 'xa1' uses multiples of
2056 bytes.

According to the article at
http://curmudgeongamer.com/article.php?story=20040105232756356&mode=print
"the Dreamcast expects a sector size of 2048 bytes". Using mode 'xa'
results in a good burn.

The 1ST_READ.BIN and IP.BIN are correct in the distribution.

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