| カテゴリ | 重要度 | ステータス | 解決状況 | 登録日時 | 最終更新 |
|---|---|---|---|---|---|
 ゲームプレイ | 低 | 指示待ち | 未処理 | 2023-02-18 16:56 | 2023-04-09 06:48 |
| テスター | Augusto | 担当者 | ソース | technos/ddragon.cpp | |
| バージョン | 0.251 | 発生バージョン | 修正バージョン | ||
| 修正コミット | プルリク | ||||
| フラグ | |||||
| セット | ddragon and ddragon2 clones | ||||
| セット詳細 |
 ddragon - 双戯龍 ＜ダブルドラゴン＞ (日本版) | ||||
| 概 要 | ゲーム速度の低下を防ぐためにオーバクロックしているが足りない。 | ||||
| 詳 細 | Hello. OSD cpu overclocking are for debugging and not for gameplay. Please not post wrong post about issues in gameplay using cpu overcloking. Doing it can break the game code internal logic. I only use OSD CPU overclocking values for debugging , but have two exceptions being Double Dragon 1 and 2. I don't know other games that need overclocking. When ddragon1 and 2 were added in MAME the emulation was much more slow than the arcade. In both ddragon and ddragon2 was done changes in MAME previous versions being : 0.122u7 CPU HD6309 clock was changed to 12 MHZ being an overclock to avoid slowdowns in gameplay. 0.196 CPU HD6309 was changed to HD6309E 3 MHZ That means ddragon dev had done changes for avoid the extreme slowdowns because the game was almost unplayable. After of the changes above both ddragon 1 and 2 emulation have good speed, but is as if was tested only in stage 1 because have several areas in the game with much slowdowns mainly when more than 4 sprites are on screen at same time having much delay in inputs buttons doing an unexpected gameplay. The images are some areas with slowdowns. Please load the save states for both ddragon and ddragon2j and use the values below after loaded each save state. In ddragon cpu0 in 140 % and cpu1 in 140 % not happen slowdowns. In ddragon2j cpu0 in 120 % and cpu1 in 140 % not happen slowdowns, but will happen slowdowns in few moments. Run smooth if using cpu0 140 % and cpu1 140 %. I have tested both ddragon and ddragon2j from begin to last stage using the cpu overclocking values above and not happen any problems or bugs. Thanks for reading. Have an nice day. | ||||
| 再現手順 | |||||
| 追加情報 | |||||
| 添付ファイル |  ddragon-1.png (2023-02-18 16:56) | ||||
| ddragon-2.png (2023-02-18 16:56) | |||||
| ddragon2j-1.png (2023-02-18 16:57) | |||||
| ddragon2j-2.png (2023-02-18 16:57) | |||||
| ddragon2j-3.png (2023-02-18 16:57) | |||||
| ddragon2j-4.png (2023-02-18 16:58) | |||||
 sta.7z (2023-02-18 16:58) | |||||