Mr. Do's Wild Ride

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Revision as of 22:00, 9 May 2020

EMU Infos
dumper Lorenzo Fongaro
date 09/05/2020
PCB Infos
name 1702
description Mr. Do's Wild Ride (alt)
year 1983.09
manufacturer Universal


Technical references


QTY Type clock position function
1x CF37201N F5 4-bit Microcontroller - main (internal ROM not dumped) - THIS IS A WILD GUESS! see notes
2x LH0080A Z80A-CPU-D A1 S1 8-bit Microprocessor - main
1x LH0080A Z80A-CPU-D L7 8-bit Microprocessor - sound
1x HD465050SP S5.6 CRT Controller (CRTC) - Video
2x TMS1025 - D8 F8 Input/Output Expander
4x SN76489AN N9 NP9 P9 R9 Digital Complex Sound Generator - sound
1x LM324N - N10 Quad Operational Amplifier - sound
1x oscillator 9.828MHz XL1
1x oscillator 4.000MHz XL2


QTY Type position status
8x TMS2764 1,2,3,4,6,7,8,9 dumped
2x I27128 0,5 dumped
1x N82S147N 1b,9c not dumped yet


QTY Type position
5x MB8128-15 D1 E1 F1 H1 N7
1x MB8128-10 DE4
16x MN4164P B6 C6 D6 DE6 E6 F6 H6 J6
B7 C7 D7 DE7 E7 F7 H7 J7


QTY Type position status


1x 28x2 edge connector
2x 8 DIP switches banks(SW1.H9 SW2.H8)


PCB is marked: "UNIVERSAL 8339A" on component side

No proof at all that custom CF37201N is really a TMS 1000 family chip, even if there are some suspect that it is; mainly due to being manufactured by TI and having 2 support chips (TMS1025N2L) which are spedifically ment for TMS 1000 family.



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