From: hp@kbbs.org (Holger Petersen) Subject: Re: Looking for *undocumented* 8085 op-codes Date: Fri, 11 Oct 1996 15:38:41 GMT Tad Ashlock writes: >Does anybody out there have a pointer to where I can find >documentation for the 'undocumented' 8085 op-codes and >status flags? So, just look into paper; old BYTE's or perhaps Dr. Dobb's. My list says the following: Hex 8085 Meaning --------------------- 08 SUB HL-BC 10 Shift right HL 18 Rotate right DE 20 RIM Read Interrupt Mask [legal 8085, but new from 8080] 28 Add HL and Immidiate nnnn into DE 30 SIM Set Interrupt Mask [legal 8085, but new from 8080] 38 Add SP and Immidiate nnnn into DE CB ReSTart on Overflow to 0040h D9 Load [DE] from HL DD Jump on 'Not X5' ED Load Hl from [DE] FD Jump on 'X5' greetings, Holger