Wow nice one, I wonder how these reflect to the original zilog timings C
-----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Edwin Blink Sent: 01 February 2004 20:06 To: sam-users@nvg.ntnu.no Subject: Z80 Timings Hi all I decided to make a simple hardware counter to reveal some of the SAM's Z80 instruction timings sectets. I have just started the project. But want to share the following interesting timings (uncontempted ram) already: IN A,(n) 12 Ts (all ports) IN r,(C) 12 Ts (C=&00-&F7) IN r,(C) 20 Ts (C=&F8-&FF) INI 20 Ts (C=&00-&F7) INI 24 Ts (C=&F8-&FF) INIR (B*24)-4 Ts (C=&00-&F7) INIR (B*24) Ts (C=&F8-&FF) OUT A,(n) 12 Ts (all ports) OUT (C),r 12 Ts (C=&00-&F7) OUT (C),r 20 Ts (C=&F8-&FF) OUTI 20 Ts (all ports) OTIR (B*24)-4 Ts (C=&00-&FF) more to come in a while Edwin
