Milton Bradley Dark Tower

Chip labeled 
MP7332-N2LL
F 8223
4149 PHILIPPINES

die labeled
MP7332

12 buttons: Yes/Buy, Repeat, No/End, Haggle, Bazaar, Clear, Tomb/Ruin, Move, Sanctuary/Citadel, Dark Tower, Frontier, Inventory
2 7-segment LEDs
3 lamps
speaker

TMS1400 pinout

1  R0   keypad col 3 (No)
2  R1   keypad col 2 (Repeat)
3  R2   keypad col 1 (Yes)
4  R3   N/C
5  R4   75494 chip enable (lamps, speaker, LED select)
6  R5   lower lamp
7  R6   middle lamp
8  R7   upper lamp
9  R8   Rotation Sensor
10 R9   motor
11 R10  speaker
12 Vdd  9v battery negative
13 Init diode to Vdd
14 K1   keypad row 1 (Dark Tower)
15 K2   keypad row 4 (Yes)
16 K4   keypad row 3 (Haggle)
17 K8   keypad row 2 (Tomb)
18 O7   LED select (digit 1 or 2)
19 O6   segment B
20 O5   segment A
21 O4   segment F
22 O3   segment E
23 O2   segment D
24 O1   segment C
25 O0   segment G
26 OSC  pin 27 and 56pF cap to batt+ and 43K resistor to batt-
27 OSC  pin 26 and cap and resistor
28 Vss  9v battery positive


keypad matrix

         R2          R1           R0                R8
K2     Yes/No      Repeat       No/End
K4     Haggle      Bazaar       Clear
K8   Tomb/Ruin      Move   Sanctuary/Citadel  Rotation Sensor
K1  Dark Tower    Frontier    Inventory