Konference: Počítač SHARP MZ-800 a emulátory
| Od: | Michal Hučík |
| Datum: | 25.8.2010 21:48 |
| Předmět: | Re: status - Re: Unikarta-ng - schema a DPS |
nojo, divam se do userguide z80 ... pokud je pri preruseni ocekavana instrukce, tak je vystaveno M1=0, RD=0 a MEMRQ=0 ... Pokud je ocekavan vektor preruseni, tak M1=0, RD=1 a IORQ=0 ... na adresni sbernici je v tu chvili vystaven aktualni PC ... Tedy jakasi sance, ze se tam objevi cislo portu na ktery reaguje unikarta by tu byla ... Dne 25.8.2010 20:47, Jaroslav Nemec (sharpemu tu byla ta zakroucena vec pandora.cz) napsal(a): > > Presne tak, pri Interrupt Request signal IORQ=0 znamena, ze datova > zbernica je otvorena na zapis vektora prerusenia (input zo strany CPU). > > David Luftner (sharpemu tu byla ta zakroucena vec pandora.cz) wrote: >> pri obsluze preruseni IORQ=0 >> M1=0 >> RD=1 >> WR=1 >> --- >> >> __________ Information from ESET NOD32 Antivirus, version of virus >> signature database 5397 (20100825) __________ >> >> The message was checked by ESET NOD32 Antivirus. >> >> http://www.eset.com >> >> >> >> > > > > __________ Information from ESET NOD32 Antivirus, version of virus > signature database 5397 (20100825) __________ > > The message was checked by ESET NOD32 Antivirus. > > http://www.eset.com > > > > ---
Ostatní příspěvky vlákna:
[2010/1 (51)] [2010/2 (48)] [2010/3 (23)] [2010/4 (40)] [2010/5 (50)] [2010/6 (23)] [2010/7 (13)] [2010/8 (54)] [2010/9 (47)] [2010/10 (243)] [2010/11 (92)] [2010/12 (98)]
[1999 (1)]
[2000 (168)]
[2001 (733)]
[2002 (459)]
[2003 (654)]
[2004 (224)]
[2005 (105)]
[2006 (182)]
[2007 (201)]
[2008 (294)]
[2009 (363)]
[2010 (782)]
[2011 (522)]
[2012 (642)]
[2013 (442)]