Thanks for the answer,actualy i code a shmup engine on PCE, and i have up to 650 collision tests per frame (this represents an average of 35.000 cycles in my case)and finaly it's not bad at all .
In a shmup it's more CPU intensive to have enemies than bullets, for exemple it's more easy to have 100 bullets than 50 enemies for obvious reasons .
I must admit that your conversion is really impressive, close to the arcade, with a lot on screen, and seems to have only few slowdowns,and was not too much butchered(sorry,it's may be not the appropriated word,i meant not a lot of compromise) on the classic A500 .
Last edited by touko; 11 May 2021 at 11:09.
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