I have some questions about handling the P1 mode of GFX9000 for games:
1. The gfx9000 does not generate an interrupt signal to handle in an ISR (IM2???) . Do I need to test the interrupt on the gfx9000 myself?
2. How big is the VBLANK period (kb's)? I want to update the pnt(s) and sat in that period to avoid page tearing. (update is done writing the pnt/sat from RAM to VRAM)
I am just in a planning phase. I have no real gfx9000 to test.
Thanks in advance.
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