[May/14/2005]

TX-1  
Tatsumi 1984  

NOTE:
From Phil Bennet:
----------------------
Here is the PROM list: 

Main PCB (TC011) 
Type 28S42 or equivalent: 
IC213 - SN74S516 arithmetic unit control PROM 
IC223 - SN74S516 arithmetic unit control PROM 
IC33 - Road 
IC40 - Road 
IC49 - Road 
IC50 - Road related 

Graphics PCB (TC012) 
Type 28S42 or equivalent: 
IC276 - Object colour table (even pixels) 
IC277 - Object colour table (odd pixels) 
Type 24S10 or equivalent: 
IC25 - Object lookup 
IC85 - Tile colour table (left) 
IC116 - Tile colour table (center) 
IC148 - Tile colour table (right) 
IC57 - Red component (left) 
IC58 - Green component (left) 
IC59 - Blue component (left) 
IC36 - Red component (center) 
IC37 - Green component (center) 
IC38 - Blue component (center) 
IC8 - Red component (right) 
IC9 - Green component (right) 
IC10 - Blue component (right)
------------------------------

Dumped 13/05/2005  

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[ARCADE RACING HISTORY]

TX-1 by Tatsumi

The first driving game to use 3 monitors.

-

[ARCADE RACING HISTORY]

TX-1 V8 by Tatsumi

The sequel to TX-1.

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****************************
* Buggy Boy Sound Hardware *
****************************


According to the single monitor schematics:

                YM-2149 IC 24
                =============

       Port A                     Port B
       ======                     ======

0: Engine sound control       0: Coin Counter 1
1: Engine sound control       1: Coin Counter 2
2: Engine sound control       2: Coin Counter 3 (Unused)
3: Engine sound control       3: Engine sound 4066B
4: Engine sound control       4: Noise EN1
5: Engine sound control       5: Noise EN2
6: Engine sound control       6: Enable YM IC24 on rear right speaker
7: Engine Noise control       7: Enable YM IC19 on rear left speaker

                YM-2149 IC 19
                =============

       Port A                     Port B
       ======                     ======

0: Engine sound control       0: Coin Counter 1
1: Engine sound control       1: Coin Counter 2
2: Engine sound control       2: Coin Counter 3 (Unused)
3: Engine sound control       3: Engine sound 4066B
4: Engine sound control       4: Noise EN1
5: Engine sound control       5: Noise EN2
6: Engine sound control       6: Enable YM IC24 on rear right speaker
7: Engine Noise control       7: Enable YM IC19 on rear left speaker

-

[Jul/23/2000]

Developers note:

Alternative TX1 (Atari 1984) romset.

if anything is missing, or you have questions, email me

-

****************************
* Buggy Boy Sound Hardware *
****************************


According to the single monitor schematics:

                YM-2149 IC 24
                =============

       Port A                     Port B
       ======                     ======

0: Engine sound control       0: Coin Counter 1
1: Engine sound control       1: Coin Counter 2
2: Engine sound control       2: Coin Counter 3 (Unused)
3: Engine sound control       3: Engine sound 4066B
4: Engine sound control       4: Noise EN1
5: Engine sound control       5: Noise EN2
6: Engine sound control       6: Enable YM IC24 on rear right speaker
7: Engine Noise control       7: Enable YM IC19 on rear left speaker

                YM-2149 IC 19
                =============

       Port A                     Port B
       ======                     ======

0: Engine sound control       0: Coin Counter 1
1: Engine sound control       1: Coin Counter 2
2: Engine sound control       2: Coin Counter 3 (Unused)
3: Engine sound control       3: Engine sound 4066B
4: Engine sound control       4: Noise EN1
5: Engine sound control       5: Noise EN2
6: Engine sound control       6: Enable YM IC24 on rear right speaker
7: Engine Noise control       7: Enable YM IC19 on rear left speaker

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