Viewing Issue Advanced Details
|ID||Category [?]||Severity [?]||Reproducibility||Date Submitted||Last Update|
|06868||Graphics||Minor||Always||Feb 6, 2018, 05:55||Apr 8, 2018, 17:09|
|Tester||-Misc Reporters-||View Status||Public||Platform||MAME (Official Binary)|
|Assigned To||Resolution||Open||OS||Windows 10 (64-bit)|
|Version||0.194||Fixed in Version||Build||64-bit|
|Summary||06868: dkong: Video rendering is not cycle accurate or accounting for all bus factors.|
Simply put, the video output for this game, which also effects many different machines' emulated output, alters the way the game is presented on screen at a frame by frame level. A specific and easily visible issue is that the latest version of MAME emulates this scan from right to left instead of from left to right like an actual arcade Donkey Kong does, so the timing information is opposite.
Further details are available as tests were done from MAME recordings, Arcade PCB output sources.
|Steps To Reproduce|
|Affected Sets / Systems||dkong|
|There are no relationship linked to this issue.|
Apr 8, 2018, 17:09
0.196 swaps the orientation to match the default setting for original boards (it's possible to modify an original board to match the previous MAME behaviour http://www.brasington.org/arcade/tech/flip/dk.shtml)
Bus contention is still not emulated, so the screen transitions are still wrong.