Re: Cat box, and fluke usage..

Kevin Moore wrote:
> I hooked up my fluke 9010 and did a bus check, I'm assuming that would
> be the easiest/fastest way to do a busy check on the board. Results
> came back good.
>
> Now fi I read your email correctly, you want me to use a different
> memory location. That makes sense.
>
> However the memory maps have always confused me a bit.
>
> The game is using AM9016EPC memory, which I'm having a problem finding
> a datasheet for atm.
>
>
>
> HEX R/W D7 D6 D5 D4 D3 D2 D2 D0 function
>
> 17 ---------+-----+------------------------+------------------------
> 18 0000 D D D D D D D D XCOORD
> 19 0001 D D D D D D D D YCOORD
>
> 20 0002 D D D BIT MODE DATA
> 21 ---------+-----+------------------------+------------------------
> 22 0003-033F D D D D D D D D Working RAM
>
> 23 0340-3D3F D D D D D D D D Screen RAM
> 24 3D40-3FFF D D D D D D D D Working RAM
> 25 ---------+-----+------------------------+------------------------
>
> 26 4000-403F R D D D D D D D D EARD* read from non-volatile memory
> 27 ---------+-----+------------------------+------------------------
>
> 28 5000 R D coin AUX (CTRLD* set low)
> 29 5000 R D coin LEFT (CTRLD* set low)
>
> 30 5000 R D coin RIGHT (CTRLD* set low)
> 31 5000 R D SLAM (CTRLD* set low)
>
> 32 5000 R D SPARE (CTRLD* set low)
> 33 5000 R D SPARE (CTRLD* set low)
>
> 34 5000 R D COCKTAIL (CTRLD* set low)
> 35 5000 R D SELF-TEST (CTRLD* set low)
>
> 36 5000 R D D D D HDIR (CTRLD* set high)
> 37 5000 R D D D D VDIR (CTRLD* set high)
> 38 ---------+-----+------------------------+------------------------
>
> 39 5001 R D SHIELD 2
> 40 5001 R D SHIELD 1
> 41 5001 R D FIRE 2
>
> 42 5001 R D FIRE 1
> 43 5001 R D SPARE (CTRLD* set low)
> 44 5001 R D START 2
>
> 45 5001 R D START 1
> 46 5001 R D VBLANK
> 47 ---------+-----+------------------------+------------------------
>
> 48 6000-600F W D D D D base_ram*
> 49 6200-621F W D D D D D D D D COLORAM*
> 50 6400 W INTACK*
>
> 51 6600 W D D D D EARCON
> 52 6800 W D D D D D D D D STARTLG (planet frame)
> 53 6A00 W WDOG*
>
> 54 ---------+-----+------------------------+------------------------
> 55 6C00 W D START LED 1
> 56 6C01 W D START LED 2
>
> 57 6C02 W D TBSWP*
> 58 6C03 W D SPARE
> 59 6C04 W D CTRLD*
>
> 60 6C05 W D COINCNTRR
> 61 6C06 W D COINCNTRL
> 62 6C07 W D PLANET
>
> 63 ---------+-----+------------------------+------------------------
> 64 6E00-6E3F W D D D D D D D D EARWR*
> 65 7000-701F D D D D D D D D IOS2* (Pokey 2)
>
> 66 7800-781F D D D D D D D D IOS1* (Pokey 1)
> 67 8000-EFFF R D D D D D D D D ROM
> 68 -----------------------------------------------------------------
>
>
According to this map 0000h and 0001h are x& ycoord and as such may not
store data, the RAM starts at 0003h through 3fff.

I would run the RAM test from 0003h to 07ffh, then 0800h to 0fffh, then
1000h to 17ffh and so on.

Does the game have aworking self test?

John :-#)#
>
> 2009/11/25 Kevin Moore <talon.k@gmail.com <mailto:talon.k@gmail.com>>
>
> Well I was following the seqeunce given in the manual, which is
> Address lines, then Data lines, then Ram etc..
>
> I'll run the bus sigs now, and see what I get.
>
> Thanks,
>
> Kevin
>
>
> 2009/11/25 John Robertson <jrr@flippers.com
> <mailto:jrr@flippers.com>>
>
> Kevin Moore wrote:
>
> Hi all, in my quest to learn more about using these tools,
> I've actually
> come up with a problem, and could use a little explanation.
>
> I'm working on a liberator board, and was using the atari
> cat box. The first
> two tests in the liberator manual have you check address
> lines. Well those
> checked out good. Next was the Data lines. This is where
> things fell apart,
> and I'm not sure what I'm seeing.
>
> Punch in address 0000, and write AA check the D0-D7 lines
> going to the ls245
> well half the incoming lines are the wrong state, and the
> output of the
> ls245 is non existent. Ie pins 2-9 have no output.
>
> So I hook up my fluke 9010a thinking there may be
> something wrong with the
> catbox, since this is the first time I've used it. Did the
> same basic setup
> wddis grounded, and Φ0 Φ2 shorted together. Do a write to
> 0000 with AA and
> use my logic probe to check. Same results.
>
> Am I to assume Bad memory at location 0000.??
>
>
> Yes.
>
> Did you do the BUS Test first? That will show if any address
> or data lines are misbehaving.
>
> If BUS Test is OK, and you get this problem for RAM @ 0000h,
> then try the next RAM set - say @ 0800h or 1000h (if RAM
> present - check Memory Map). If other RAM all checks OK, or
> ANY RAM checks OK, then the RAM @ 0000h is certainly suspect.
>
> If the RAM is 4-bit, then which bits are locked will tell you
> which RAM to replace.
>
> John :-#)#
>
> --
> John's Jukes Ltd. 2343 Main St., Vancouver, BC, Canada V5T 3C9
> Call (604)872-5757 or Fax 872-2010 (Pinballs, Jukes, VideoGames)
> www.flippers.com <http://www.flippers.com> "Old
> pinballers never die, they just flip out"
>
>
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>
>

-- 
John's Jukes Ltd. 2343 Main St., Vancouver, BC, Canada V5T 3C9 
Call (604)872-5757 or Fax 872-2010 (Pinballs, Jukes, VideoGames)
                 www.flippers.com 
"Old pinballers never die, they just flip out"
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