Path: utzoo!attcan!uunet!samsung!munnari.oz.au!bruce!monu1!vax4.cc.monash.edu.au!ins778u
From: ins778u@vax4.cc.monash.edu.au (mr  c.r. hames)
Newsgroups: comp.sys.amiga.tech
Subject: A2620 with 2.0
Message-ID: <3562@monu1.cc.monash.oz>
Date: 8 Jul 90 14:19:26 GMT
Sender: news@monu1.cc.monash.oz
Organization: Monash Uni, Clayton, Vic 3168, Australia
Lines: 40

How do you get Kick2.0 working with A2620 board ?   I have tried to
get the MMU to think it is at $F80000 - $FFFFFF  working from the source 
to SetCPU 1.4 but it never seems to work.  SetCPU 1.5 doesn't seem to come
with source even though the description of the fish disk says it does, I
have got it from two sites and no source was included.
 
      Is there a util I should be using? SetCPU 1.6 out?  If not what could
I be doing wrong.:-
     I load the 512K in to RAM - tried CHIP & 32FAST
     Set up a table like in SetCPU 1.4 except the last four entries
     are modified for the ROM instead of last two.
     Then I do basically the same as SetCPU V1.4 for FASTROM.
 
      for (i = 0; i < 125; i++) MMUTable[i] = PD_ADDR(i<<17)|PD_DT_PAGE;
      MMUTable[124] = PD_ADDR((ULONG)ROM32)|PD_WP|PD_DT_PAGE;
      MMUTable[125] = PD_ADDR(((ULONG)ROM32)+0x20000L)|PD_WP|PD_DT_PAGE;
      MMUTable[126] = PD_ADDR(((ULONG)ROM32)+0x40000L)|PD_WP|PD_DT_PAGE;
      MMUTable[127] = PD_ADDR(((ULONG)ROM32)+0x60000L)|PD_WP|PD_DT_PAGE;
 
 
        myCRP[0] = CRP_LIMIT(127)|0x200|0x2;
        myCRP[1] = (ULONG)MMUTable; /*^ I thought 0x200 should be 0x400 */
                                    /*  But this gives me GURU */ 
        SetCRP(myCRP);
 
        myTC = TC_ENB|TC_PS(0x0c)|TC_IS(wrapbits)|TC_TIA(0x0f-wrapbits)
               |TC_TIB(0x05)|TC_TIC(0)|TC_TID(0);
 
        SetTC(myTC);
 
 
     After this I have tried reset(by offical method & other ways),
     jmp $f80002,keyboard reset etc
 

--
 
Chris Hames:     ins778u@vax4.cc.monash.edu.au(internet)
C/Assembler!:    Freely Avail:  VMK,DirWork,FSDirs......(Fish etc)
                 Commercial:  Classified.