EMU Infos
| dumper |
Lorenzo Fongaro
|
| date |
09/05/2020
|
| emulator |
|
| dev |
|
PCB Infos
| name |
1702
|
| description |
Mr. Do's Wild Ride (alt)
|
| year |
1983.09
|
| manufacturer |
Universal
|
Technical references
CPUs
| 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 |
|
ROMs
| 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
|
RAMs
PLDs
| QTY
|
Type
|
position
|
status
|
| 0x |
|
|
|
Others
1x 28x2 edge connector
2x 8 DIP switches banks(SW1.H9 SW2.H8)
Notes
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.
Files
-
PCB component side
-
PCB component side notes
-
PCB component side detail 1
-
PCB component side detail 2
-
PCB component side detail 3
-
PCB component side detail 4
-
PCB component side detail 5
-
ROMs
1702
PCB component side
PCB component side notes
PCB component side detail 1
PCB component side detail 2
PCB component side detail 3
PCB component side detail 4
PCB component side detail 5
