Konami Gradius saga not synced by VBLANK

Door DarkSchneider

Paladin (965)

afbeelding van DarkSchneider

05-08-2019, 11:17

Testing some games with the Turbo option, I noticed that Konami's Gradius saga runs too fast. Seems like they "synced" the games adding NOPs for the Z80A and go straight.
Tested some other Konami games like Galious or Usas and they run at correct speed with turbo.

I am curious about it, has someone some info about it and how they implemented all this?

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Van Parn

Paladin (832)

afbeelding van Parn

05-08-2019, 16:30

Check FRS' page for TurboFixes:

FRS' MSX Page - Patches

You can also ask him directly about his findings, he is known around here as sd_snatcher.