History of my CASIO hacking

• 21/03/1992 - first CASIO calculator fx82L - not programable => no hacking

• 14/04/1994 - got fx7700 GB

• Dec 1995 - found EMS for 7700GB

• 1996 -published EMS on Tom Wheeley's page, section Black Arts

• Nov 1996 - installed turbo SX2 on fx7700GB (by my friend, HW guru Petr)

• Dec 1996 - got cfx9850G

• May 1997 - found XMS for fx9700 and cfx9800, based on EMS for 9700 found by Ronald Hecht

• 15/10/1997 - got ROM from cfx9850G (read by Petr)

• Dec 1997 - simple version of CAS interpreter (expressions+some commands), work for school

• May 1998 - full version of CAS interpreter + editor CEDIT

• June 1998 - first WWW page about hacking+download at http://pages.whowhere.com/computers/martin.poupe

• 21/6/1998 - started analysing code of 9850's ROM

• 1/2/1999 - page moved to http://prg.rkk.cz/~mpoupe

• Oct 1999 - ROM successfully hacked to get assembler support

• 16/11/1999 - read 32KB ROM from CPU of 9850G

• Sep 2000 - written first true assembler & linker for cfx9850G (Casm 0.99 alpha)

• Oct 2000 - got afx 2.0

• 18/12/2000 - my afx 2.0 was stolen, I will not buy a new one

• Jan 2001 - Casm update (0.991 alpha)

• Feb 2001 - Hacking stopped

• Apr 2002 - Hacking started again

• 16/6/2002 - writting this