Recent content by Waterfuell

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    Save Game Extractor: Backup Saves Via Audio

    Answer myself, command 0xE2 is for get the MPEG ROM according to yabause wiki.
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    Save Game Extractor: Backup Saves Via Audio

    Talking from total ignorance, in yabause with satiator suport there is a not full implemented command. satiator/satiator-yabause, line 118. This command really loads menu.bin or menu.bin is only a file for test purposes??? There is some variables referencing "bios".
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    Saturn CD Block ROM dumped again.

    My research is based on CDB105 and unfinished, so i cant help, the only that i can say about port C is that pin PC6 is config as analog input AN6 in pin 94
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    Saturn CD Block ROM dumped again.

    I was refering that in schematic Ive post must take into account the comm line dosnt appears. The schematic you has post is good too for get an idea how CDB is intercomected.
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    Saturn CD Block ROM dumped again.

    In SS service manual there is a schematic wich helps to get a global idea how CDB is composed. But not show the line wich SH1 uses to send comands to CD drive.
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    Saturn CD Block ROM dumped again.

    So hard to me, I dont know anything about FPGA and neither how the vulnerability works. :(
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    Saturn CD Block ROM dumped again.

    Try to find a way, or some exploitable way. I didnt know that, if have know before I dont have buy the CDB daughterboard, and didnt embarked that crusade. Even so, I will follow researching.
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    Donations? Patreon? Why is the VCR blinking?

    Count with my sword. Im reading this forum since years, one of my fears as been always lost SX (even if the site is not in danger right now). Paypal looks a good option for me.
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    Saturn CD Block ROM dumped again.

    Thanks, I dont have a windows computer only a virtual machine with windows xp, and IDA neither, but im interested in give a look. Do you found something interesting in CDB? What I want to find at this moment is an easy way for dump the rom, maybe if the rom is more accesible, more people will...
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    Save Game Extractor: Backup Saves Via Audio

    Looks like the script is made for python2 and you are using python3. @slinga must confirm.
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    Saturn CD Block ROM dumped again.

    If Im in correct JHDL tried to dump the rom in programing mode. What funtionality do you refer??? Not at all, sorry for no posting more progress. The only Ive discovery at the moment is a kind of prompt on test pins. Its a normal serial conection at 9600bps, you can write with an serial...
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    Saturn CD Block ROM dumped again.

    They are the onchip modules and configuration registers.
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    Saturn CD Block ROM dumped again.

    If I remember correctly, in the yabause source tree there is 3 files, called SH1-pseudo, mpeg.c and ygr.c (or something similar), from this files you can get almost all registers used from SH1. SH1-pseudo looks extracted from coments of the dissasembled ROM code, probably done for JHDL, but in...
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    Saturn CD Block ROM dumped again.

    Sure, IIRC is related with two offset located in IP, one says were is the SH1 code, the other say the legth. I can try to find related code in rom. PS: Ive clean my HD and installed ghidra, the c decompiler is interesting, some problems with arguments and return variables in funtions, the code...
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    Saturn CD Block ROM dumped again.

    Probably I never will put my hands on a satiator, so at the moment replicate what JHDL did six years ago is the only thing that I can do for get the CDB ROM. The code discoveries done by JHDL has no been relased, so study the rom by myself is the only thing that i cand do for understand how CDB...
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