Yay good memory, it splits the screen in 2 halves with 2 colours using a raster interupt to leave the user with .normal control to type etc. On 12 Jan 2011 23:40, "Andrew Scott" <[email protected]> wrote: > > Hehe, you pushed my memory a bit here but from my memory that is setting up > a raster interrupt to change the colors of the screen/border. This is the > sort of thing that all the fast boot loaders used. > > Regards, > Andrew Scott > http://www.andyscott.id.au/ > > > >> -----Original Message----- >> From: Russ Michaels [mailto:[email protected]] >> Sent: Thursday, 13 January 2011 9:59 AM >> To: cf-talk >> Subject: RE: 6502 (was Is Coldfusion losing it biggest asset?) >> >> >> You got it Andrew :-) >> >> Here is a harder one for you, i'm surprised I can even remember this. >> >> Sei >> Lda#$00 >> Sta$0314 >> Lda#$c0 >> Sta$0315 >> Lda#$01 >> Sta$d019 >> Cli >> Rts >> >> $c000 >> Loop1 >> Lda$d012 >> Cmp#$50 >> Bne loop1 >> Lda#$01 >> Sta$d020 >> Sta$d021 >> Loop2 >> Lda$d012 >> Cmp#$f0 >> Bne loop2 >> Lda#$00 >> Sta$d020 >> Sta$d021 >> Rol$d019 >> Jsr$ea31 >> >> > > >
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