Turbo Poker 2 by Micro Mfg.

Etched in copper on board	TP2

.u30	2732a	stickered	(c)
				1993
				MICRO MFG
				TURBO
				POKER
				CHAR,	
				ROM.


.u35		stickered	(c)
				1993
				MICRO MFG
				TP2#01
				U35\IC4
				16228
				022194
		continuity errors when trying to read as a standard eprom
		silkscreened below the chip	CUSTOM I.C.
		Looks like a normal EPROM

Robbie Mame says the chip is a MC68705P3S, programmer got "DEVICE SPECIFIC FAILURE:Cannot syncronize to device"

.u39	27256	stickered	(c)
				1993
				MICRO MFG
				TURBO-2
				U39-014
				US UTBK
				022190

.u38	8255	stickered	MICRO MANUFACTURING, INC
				DATE: 02-24-1994
				SER# LKY-PCB-142728


.U37	MMI PAL12L6-2		Blue dot on it - saved in jedec format

.u44	DS1220AD-150	


.u23	82s131


A 74ls541 @U24 had a red dot on it

18.000 MHz crustal
8080 @ U42
8255 @ U31 and U35
2111 @ U33 and U34
8228 @ U43


27256 @ U39		Measured to U39		Estimated U35 pinouts
						
1  VPP	    VCC	28	2,3,6	2,3,6		1 GND	Pin 10 of U14 7404 28
2  A12	    A14	27				2 VCC	    		A7 27
3  A7	    A13	26	27			3 VCC	    		A6 26
4  A6	    A8	25	26			4 N/C	    		A5 25
5  A5	    A9	24	25			5 pull up to pin 2	A4 24
6  A4	    A11	23	24			6 VCC	    		A3 23
7  A3	    /OE	22	23			7 N/C	    		A2 22
8  A2	    A10	21	22			8 pin 9 of U37 PAL	A1 21
9  A1	    /CE	20	21			9 pin 8 of U37 PAL	A0 20
10 A0	    D7	19	20	19		10 pin 24 of U42 8080	D7 19	
11 D0	    D6	18	12	18		11 pin 7 of U37 PAL	D6 18
12 D1	    D5	17	13	17		12 D0	    		D5 17
13 D2	    D4	16	14	16		13 D1	    		D4 16
14 GND	    D3	15	1	15		14 D2	    		D3 15 



Robbie MAME wanted 555 circuit traced

			 -------
GND --------------------|1     8|-----VCC
		  N/C---|2     7|------------------------------------|---|1K Ohm|--- VCC
Volume Pot -------------|3     6|--------------------|--|100K Ohm|---|
Pin 10 U36 (8255)-------|4     5|---|0.1uF|---GND    |
			 -------                     |-|0.01uF|---- GND
                                                     |-|0.01uF|---- pin 12 U13 (KA2667)
                                                     |-|0.022uF|--- pin 11 U13 (KA2667)
                                                     |-|0.05uF|---- pin 10 U13 (KA2667)


Mame 0.124a
C:\Hardware>c:\hardware\dataio\roms\mame\mame -romident c:\hardware\dataio\roms\tp2\roms\tp2.u23 
tp2.u23             NO MATCH

C:\Hardware>c:\hardware\dataio\roms\mame\mame -romident c:\hardware\dataio\roms\tp2\roms\tp2.u30 
tp2.u30             NO MATCH

C:\Hardware>c:\hardware\dataio\roms\mame\mame -romident c:\hardware\dataio\roms\tp2\roms\tp2.u37 
tp2.u37             NOT A ROM

C:\Hardware>c:\hardware\dataio\roms\mame\mame -romident c:\hardware\dataio\roms\tp2\roms\tp2.u39 
tp2.u39             NO MATCH

C:\Hardware>c:\hardware\dataio\roms\mame\mame -romident c:\hardware\dataio\roms\tp2\roms\tp2.u44 
tp2.u44             NO MATCH