cstaqdb@warwick.ac.uk (Tom Hughes) (05/22/91)
In article <ak7V52w164w@sideways.gen.nz> terros@sideways.gen.nz (Dave Sainty) writes: >I have a problem, and it's a very unusual one! >a year or two ago I replaced the 6502 in my model B with an R65C02. this has >worked perfectly ever since, except that I've now discovered a small problem. >this problem has never showed up before, but I assume it's been there ever >since the conversion.... > > [...stuff deleted...] > >so.... what exactly are these caps doing, and will changing the values fix my >problem? if not, what will? > >Any takers? This can only be a bug in the chip I would think. The carry flag is obviously corrupted by the RTS being immediately after the compare. Fraid I can't help any further. ============================================================================ Tom Hughes, CS1 thughes@uk.ac.warwick.cs Room 112 Compton Hall cstaqdb@uk.ac.warwick.cu Westwood University of Warwick (0203) 523523 X2927 Coventry CV4 8EE ============================================================================