1

Hello,

I use chdman.exe to store my optical disc dump. Data is compressed at its most and it's a convenient format to use with most emulators. I can use chdman.exe ton rebuild a BIN/CUE set and burn my dump to an optical disc.

Sample of my CUE file index:

FILE "BC Racers (USA).bin" BINARY
  TRACK 01 MODE1/2352
    INDEX 01 00:00:00
  TRACK 02 AUDIO
    PREGAP 00:02:00
    INDEX 01 08:31:32
  TRACK 03 AUDIO
    INDEX 00 10:43:40
    INDEX 01 10:45:40
  TRACK 04 AUDIO
    INDEX 00 11:29:01
    INDEX 01 11:31:01

I see Redump's .dat files use the BIN/CUE format too. But it doesn't looks like as usual. In the XML .dat file, games definitions are looking for different .bin files.

<game name="BC Racers (USA)">
        <category>Games</category>
        <description>BC Racers (USA)</description>
        <rom name="BC Racers (USA).cue" size="1356" crc="53959ce3" md5="851c8e55c19580505e6c50196d20399d" sha1="fb8392dd223721905cb6210e5e11f4b5d156fcf8"/>
        <rom name="BC Racers (USA) (Track 01).bin" size="90215664" crc="58713826" md5="7c621bc9c9e26089fb415b1a157e3ad7" sha1="127c3dc4d0bcb69d1528ce760604d8ec9820028c"/>
        <rom name="BC Racers (USA) (Track 02).bin" size="24009216" crc="08ad95f3" md5="10280244ee99ab4102a961313d7d3fd6" sha1="83ec5edf6bb33a68d6a3c88ec0a552500fd1a117"/>
        <rom name="BC Racers (USA) (Track 03).bin" size="8022672" crc="aa3ed156" md5="262588d3b43ca78731b423eb711b3591" sha1="87840132e34eb943d9b644b46ed1b56ac4ffc9db"/>
        <rom name="BC Racers (USA) (Track 04).bin" size="42423024" crc="9e7326c0" md5="0d99446de2813b8e3984fb4242be8815" sha1="b2fbd88344949e653faeddaaebc76b59d3ee010d"/>
    </game>

In my sample,  I understand my .bin file contains 4 tracks but to be compliant I need 4 .bin files.

How can I split my merged bin file (rebuilt with chdman.exe) into separated bin files for each tracks ? I would like to check/compare my dumps with ClrMamePro and Redump's .dat files.

2

I was lucky this night^^

I found the binmerge.exe tool here : https://github.com/putnam/binmerge
Its --split (or -s) option can split a .bin file like it's required with Redump's .dat files.

Here is my batch script to convert a directory with many .chd files :

@ECHO OFF
CLS  

SET sourcepath="D:\chdman\chd"
SET workpath=%TEMP%
SET destpath="D:\chdman\split"

COPY chdman.exe %sourcepath% /Y

FOR /R "%sourcepath%" %%R IN (*.chd) DO ( 

ECHO. 
ECHO ### Converting chd to %%~nR.bin ###
MKDIR "%destpath%\%%~nR"
%sourcepath%\chdman.exe extractcd -i "%sourcepath%\%%~nR.chd" -o "%destpath%\%%~nR\tmp.cue" -ob "%destpath%\%%~nR\tmp.bin" -f
binmerge.exe --split "%destpath%\%%~nR\tmp.cue" "%%~nR"

DEL "%destpath%\%%~nR\tmp.bin" /F
DEL "%destpath%\%%~nR\tmp.cue" /F
)

DEL %sourcepath%\chdman.exe /F

PAUSE
EXIT