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Enemy sprite rendering routine call

by Metalion on 30-12-2020, 11:41
Score: 160.66 %, Type: Forum topic , Comments: 5 comments
be to try My advice would be to try both and see which one works better. Set a flag variable: 0 to Set a flag variable: 0 to render 1 to update sprites Set a frame variable Sprites update in the ISR: If flag=1 do other ISR hooked tasks then ret If flag=0 execute the whole ISR hooked tasks, set ...

Fast 16-bit signed comparison

by Metalion on 05-12-2020, 19:20
Score: 160.09 %, Type: Forum topic , Comments: 23 comments
and 'hl' and I want to be able to output according to that matrix : hl<=0 hl>0 de<=0 0 hl de>0 de max(hl,de) I've coded this, but it's messy ('hl' contains the output): ld a,h ; 5 cp d ; 5 jp z,.same ; 11 | same sign jp c,.hl_max ; 11 | de < 0 and hl >= 0 ...
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