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Commodore 64 core for the MEGA65 based on the MiSTer FPGA C64 core

Results 47 C64MEGA65 issues
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Demo "Old Men in Used Cars" by "Fossil" stops working with V5.1RC2 : When inserting disk n°2, the first picture gets loaded and the music plays, but the visual effects...

V6 or later
regression

For the time being, `CORE-R5.xpr` and `CORE-R6.xpr` should be identical. Yet, `CORE-R6.xpr` does not close timing (see screenshots), while `CORE-R5.xpr? does. ![grafik](https://github.com/MJoergen/C64MEGA65/assets/6825267/61d198d1-814f-479e-8e2c-610afb14719b) ![grafik](https://github.com/MJoergen/C64MEGA65/assets/6825267/951f002b-1116-4bd0-929d-995af34eb30e) ![grafik](https://github.com/MJoergen/C64MEGA65/assets/6825267/40e7a321-05e2-4bf5-be67-230134c7c907) With this commit https://github.com/MJoergen/C64MEGA65/commit/81749eaba8db80b3f628f8959b207e29a0255589, we achieve...

bug
V6 or later

There is a thread on Discord, initiated by AmokPhaze101 aka @paich64 about if and how and why we should support the simulated REU in parallel to using hardware cartridges; click...

enhancement
V6 or later

This enhancement idea is inspired by a Discord conversation that starts here: https://discord.com/channels/719326990221574164/794775503818588200/1232420616154517647 It is about a folder with "a lot of files" in it. First the user claims/thinks that...

enhancement
V6 or later

Reported by @dansanderson here https://github.com/MEGA65/mega65-core/issues/778#issuecomment-1909362620 "Q-Bert: player select works, then screen goes black Same behavior on R3, might be a bad cart." Since it also does not work on R3,...

bug
V6 or later

## R5/R6 cartridge challenges / CORE 0 update The release version of CORE #0 that will be shipped with the 2024 models will still have challenges when it comes to...

documentation
5.1 (R4/R5 Surge)

* Create a "Advanced Compatibilty Settings" submenu * Move "CIA: Use 8521 (C64C)" to it * Add settings for the VIC-II as tagged with `@TODO sy2002` in `fpga_sid_iec.vhd`, particularly 656x/NMOS,...

enhancement
V6 or later

C64 core regression tests include running the C64 Emulator Test Suite V2.15. - V5.0 test suite results reports TRAP1 to TRAP16(included) are OK - V5.0 test suite results reports TRAP17...

V6 or later
regression

I guess I found a graphics glitch in C64MEGA65 V5. Playing the REU version of David Murrays "Attack of the PETSCII Robots", sooner or later the vertical sliding doors evolve...

bug
V6 or later

If anyhow possible, I would love to have a built-in ML Monitor. Somewhere in the Freezer menu or under a key combination. Preferably a Monitor like in the Super Snapshot...

enhancement
V6 or later