C64: Difference between revisions
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* [http://www.6502.org/documents/datasheets/mos/ Datasheets] |
* [http://www.6502.org/documents/datasheets/mos/ Datasheets] |
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===TODO=== |
===TODO=== |
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* Check VIC-II Vss is 5v |
* <strike>Check VIC-II Vss is 5v</strike> (pin 40 is 5v) |
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* you're looking for the RESET line to be grounded for half a second during powerup. Pin 3 of userport. |
* <strike>you're looking for the RESET line to be grounded for half a second during powerup. Pin 3 of userport.<strike> RST line goes high after half a sec (and stays high) |
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==Dead Monitor(s)== |
==Dead Monitor(s)== |
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Revision as of 13:11, 21 November 2019
- http://www.linusakesson.net/scene/lunatico/misc.php
- http://www.linusakesson.net/programming/poems-for-bugs/index.php
- http://www.aaronbell.com/secret-colours-of-the-commodore-64/
- https://www.metafilter.com/114704/Demoscene-The-Art-of-the-Algorithms
- https://digitalerr0r.net/2011/04/30/commodore-64-programming-6-raster-interrupts/
- https://csdb.dk/forums/?roomid=11
- Black PSU - 5.1v/10.3v - 5.13v/10.40v
- White PSU - 5.15v/10.2v - 5.19v10.43v
- Remove ICs
- Heatsinks
- #11 "Zero Insertion Farce?" — Installing ZIF Sockets on a C64 Motherboard
- Sells Nordic Replays, C64 Reloaded Motherboards, SuperPLA
- EEPROMs as ROMs
- Using the USB Logic Analyzer with sigrok PulseView
- C64 Video Cables
- https://github.com/fdivitto/FabGL
Dead Drive
- https://www.lemon64.com/forum/viewtopic.php?t=64021
- https://www.youtube.com/watch?v=CDj6JEqPkzA
- C15 Capacitor
Dead C64
- Black Screen Guide
- Another Black Screen Guide
- https://www.youtube.com/watch?v=Mn1keRFXX7I
- Test Fuse
- Test for 5 volts on chips
- check +12V on pin 13 of the VIC
- 5 volts on userport
- https://github.com/jamarju/c64_test_tools
- Commodore 64: how to repair it, step by step
- Replacement PLA, local (more expensive), Alternative, cheaper from the store
- Replacement Capacitors
- #01 "A Change of Heart" — Commodore 64 Black Screen Repair
- aphexteknol
- the 250425 board should in fact boot to the familiar blue BASIC screen just fine without U1 and/or U2. (However, with U1 gone, e.g. the keyboard obviously won't work and with U2 gone, e.g. the serial port won't work).
TODO
Check VIC-II Vss is 5v(pin 40 is 5v)you're looking for the RESET line to be grounded for half a second during powerup. Pin 3 of userport.RST line goes high after half a sec (and stays high)
Dead Monitor(s)
- https://www.lemon64.com/forum/viewtopic.php?t=28565&%3Bstart=30
- https://gona.mactar.hu/Commodore/monitor/Commodore_monitors_by_model_number.html
- "found that CP2 has disintegrated! It`s a paper capacitor next to the power switch that has exploded, so that needs replacing.", "the x2 cap is a common failure"
Power Switch
- https://www.youtube.com/watch?v=g2lrrXp-Zn8
- http://www.retro-commodore.eu/2014/04/12/c1084-power-switch-replacement/
- https://randommayhemstuff.blogspot.com/2016/11/finally-swapped-power-switch-on.html 1084
- https://www.wagneronline.com.au/pcb-mount/switches/electronic-components/swp583-2978/347/pd/ PCB MOUNT PUSH SWITCH $11.50
- http://www.telespares.com.au/index.php?main_page=product_info&products_id=312936 (Much cheaper, not sure if the same)
- https://www.thefuturewas8bit.com/1084switch.html (OUT OF STOCK)
- https://au.element14.com/c-k-components/ne18-2a-ee-sn-p-6amp/switch-pushbutton/dp/2435346 - Maybe this is the same
- https://www.lemon64.com/forum/viewtopic.php?p=667259&sid=d8a1ae892e1436641358a9501da82ad1
Games
https://www.youtube.com/channel/UCnhr67lnXf3ZtcKLrr9-hSA/videos