jkh@MEEPMEEP.PCS.COM (Jordan K. Hubbard) (05/22/91)
I, like many others, got the fastblit program from ab20.larc.nasa.gov and addedit without thinking to my startup-sequence. After a couple of months, I was cleaning up and decided to take it out since I never actually proved whether it helped one way or another. This begs the question, however, as to what exactly this program is supposed to do and how it goes about doing it. Q? Jordan
jld8755@helios.TAMU.EDU (Jonathan Davis) (05/23/91)
jkh@MEEPMEEP.PCS.COM (Jordan K. Hubbard) writes: >I, like many others, got the fastblit program from ab20.larc.nasa.gov >and addedit without thinking to my startup-sequence. After a couple >of months, I was cleaning up and decided to take it out since I never >actually proved whether it helped one way or another. This begs the >question, however, as to what exactly this program is supposed to do >and how it goes about doing it. >Q? > Jordan As near as I can tell, all the fastblit program does (aside from turn itself on and off, and print its text) is set the BLITTER_NASTY bit in bltcon(0 or 1, can't think of which off the top of my head.) In other words, it gives the blitter priority over the processor when they contend for memory access. Dunno really how helpful/harmful that'd be. I don't use it, myself. Hope that helped somewhat, Jon Davis