A small demo coded in a afternoon by Robin (15 years old) with the
help of Cyrille, his sensei and author of JanoEditor.

Writing in C and using only system functions.

Mod by Rnooo (and you can also find an hidden mod on the disk).

Sources are in the archive (and on the ADF) or on his Github :
https://github.com/Robin-70

 PERMSSN    UID  GID    PACKED    SIZE  RATIO METHOD CRC     STAMP          NAME
---------- ----------- ------- ------- ------ ---------- ------------ -------------
[Amiga]                   1330    1834  72.5% -lh5- 44cb Jun 15 11:58 Rouflaquette/ADF.info
[Amiga]                 329177  901120  36.5% -lh5- 7f54 Jan  1  1980 Rouflaquette/ADF/Rouflaquette.adf
[Amiga]                   1330    1834  72.5% -lh5- 99ee Jun 15 11:58 Rouflaquette/Disk.info
[Amiga]                  22795   36212  62.9% -lh5- 86e0 Mar  9  2002 Rouflaquette/Disk/C/SetPatch
[Amiga]                   2604    5240  49.7% -lh5- 9630 Jul  6  1994 Rouflaquette/Disk/libs/mathieeedoubbas.library
[Amiga]                   6027   16584  36.3% -lh5- 4223 Jul  6  1994 Rouflaquette/Disk/libs/mathieeedoubtrans.library
[Amiga]                   4610    8048  57.3% -lh5- 535b Jun  4  1996 Rouflaquette/Disk/libs/ptreplay.library
[Amiga]                     57      82  69.5% -lh5- c4d7 Jun 14 18:27 Rouflaquette/Disk/link
[Amiga]                   3396    6180  55.0% -lh5- 1ff5 Jun 14 18:28 Rouflaquette/Disk/main
[Amiga]                    964    3053  31.6% -lh5- 2129 Jun 14 18:28 Rouflaquette/Disk/main.c
[Amiga]                    390     831  46.9% -lh5- d1e6 Jun 15 11:11 Rouflaquette/Disk/main.info
[Amiga]                     79      96  82.3% -lh5- b941 Jun 14 18:28 Rouflaquette/Disk/main.lnk
[Amiga]                   1011    2584  39.1% -lh5- be80 Jun 14 18:28 Rouflaquette/Disk/main.o
[Amiga]                  74669  123772  60.3% -lh5- 8b08 Mar 20  1997 Rouflaquette/Disk/Mod.bnp
[Amiga]                 139235  229598  60.6% -lh5- 5c2c Mar 20  1997 Rouflaquette/Disk/Mod.daz
[Amiga]                    303     616  49.2% -lh5- 7a9e Sep 16  2009 Rouflaquette/Disk/PT/play.c
[Amiga]                     68     101  67.3% -lh5- 44ae Sep 16  2009 Rouflaquette/Disk/PT/play.h
[Amiga]                    411     732  56.1% -lh5- 0711 Jun 14 18:28 Rouflaquette/Disk/PT/play.o
[Amiga]                   3828   15251  25.1% -lh5- 4293 Jan 15  1997 Rouflaquette/Disk/PT/Ptreplay.Doc
[Amiga]                    220     331  66.5% -lh5- 7015 Jan 15  1997 Rouflaquette/Disk/PT/Ptreplay.H
[Amiga]                    276    1109  24.9% -lh5- de60 Jan 15  1997 Rouflaquette/Disk/PT/PtreplayPragmas.H
[Amiga]                    300     915  32.8% -lh5- aa1f Jan 15  1997 Rouflaquette/Disk/PT/PtreplayProtos.H
[Amiga]                     20      20 100.0% -lh0- 4790 Jun 14 18:35 Rouflaquette/Disk/S/startup-sequence
[Amiga]                     74     106  69.8% -lh5- e411 Apr  4  2000 Rouflaquette/Disk/SCOPTIONS
[Amiga]                    339     529  64.1% -lh5- ee59 Jan  1  1980 Rouflaquette/Rouflaquette.readme
---------- ----------- ------- ------- ------ ---------- ------------ -------------
 Total        25 files  593513 1356778  43.7%            Jun 16 21:26