Space invADERS issue

mohawk640

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Donor 4 years: 2015, 2017-2019
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What have you done so far? I'd first check to see if the CPU is working. Are the address lines changing states and do you see the lines on the display if you remove the ROMs?

blinddog
 
Last edited:
Ill plug the rom and turn it on and see what happens
 
I changed the cpu and it fix the problem now I need to redo the button with the swicths now .
 
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