Entex Baseball 3

Chip labeled 
6007
MP1204
MSL ^ 8014

die labeled
MP1204

9 buttons: 
2 switches: Manual/Auto, Pro/Am
4 7-segment LEDs (2 digits use only 2 segments)
44 LEDs
Piezo buzzer


TMS1100 pinout
1  R8   - LED matrix
2  R9   - LED matrix
3  R10  - Piezo
4  VDD
5  K1   - key matrix
6  K2   - key matrix
7  K4   - key matrix
8  K8   - key matrix
9  INIT - diode and cap
10 O7   - N/C
11 O6   - LED segment G / LED matrix
12 O5   - LED segment F / LED matrix
13 O4   - LED segment E / LED matrix
14 O3   - LED segment D / LED matrix
15 O2   - LED segment C / LED matrix
16 O1   - LED segment B / LED matrix
17 O0   - LED segment A / LED matrix
18 OSC1 - connected to OSC2 and 33pF disc cap (to VSS) and 47K resistor (to VDD) - Pro mode adds 150K resistor (to VDD)
19 OSC2 - OSC1
20 VSS
21 R0   - Digit 3 / key matrix
22 R1   - Digit 1 / key matrix
23 R2   - LED matrix / key matrix
24 R3   - LED matrix
25 R4   - LED matrix
26 R5   - LED matrix
27 R6   - LED matrix
28 R7   - LED matrix


button matrix
        K1          K2           K4           K8
R0   Fast Ball  Change Up      Slider       Curve
R1   Knuckler     Steal        Batter    Steal Defense
R2     Auto       Bunt           --         --


LED numbering

             S1  S2
                            Digit Digit Digit Digit
             B1  B2  B3       4     3     2     1

             O1  O2      I1 I2 I3 I4 I5 I6 I7 I8 I9


                                                         
                                26
                                
                    25                      27
                                
                                22
                                
                                
            24                                      28
                  21            16            23
                          15          17
                          
                          
                    14                      18      
                                01                  20
                  13                          19
                                02
                                
                                03
                                
                                04
                                
                              05  06
                              
                            07  08  09
                            
                            10  11  12
                            

LED Matrix

       R0          R1       R2  R3     R4         R5      R6       R7        R8      R9
O0  Digit 3 A   Digit 1 A   I1  B1  S1          LED 19  LED 1   Digit 4 B  LED 14  LED 23
O1  Digit 3 B   Digit 1 B   I2  B2  S2          LED 16  LED 2   Digit 2 B  LED 15  LED 25
O2  Digit 3 C   Digit 1 C   I3  B3  O1          LED 13  LED 3   LED 20     LED 17  LED 24
O3  Digit 3 D   Digit 1 D   I4  I7  O2          LED 6   LED 4   LED 5      LED 18  LED 26
O4  Digit 3 E   Digit 1 E   I5  I8  Digit 4 F   LED 9   LED 8   LED 7      LED 21  LED 28
O5  Digit 3 F   Digit 1 F   I6  I9  Digit 2 F   LED 12  LED 11  LED 10     LED 22  LED 27
O6  Digit 3 G   Digit 1 G   --  --     --         --      --       --        --      --