In article <01ed4ff852.old_coaster@old_coaster.yahoo.co.uk>, Tony Moore <[email protected]> wrote: > On 3 Dec 2012, george greenfield <[email protected]> wrote:
> Yes, I think that you're correct. I now seem to remember reading that > the version of 4.02 on the 'virtually free' CD had been altered to > recognise an extended BandWidth. Is that the source of your 4.02 ROM? I'm currently using RO4.02 from the CD. But before that I was using 4.02 from one of my old RPCs to do initial experiments with RPCEmu. So far as I recall, RO4.02 worked OK on RPCEmu with a vidc bandlimit value that I made ten times bigger. My understanding (wrt 4.02, anyway) is that the VIDC rate limit value is simply specified in a file seen by the boot process. This is to block attempts that might fry the old RPC *hardware*. If there is another limit written into the 4.02 romset it is news to me. So far as I recall, when I raised the matter wrt RPMEmu I was told that the bandwidth limit was irrelevant to RPCEmu as there was no RPC 'hardware' that might be damaged. In an equivalent way, I was pleased to learn about and use the higher colour depths for large screenmodes, above what was possible on a standard RPC. The requirements for the relative timing values may be different. They may be 'fussy' for some other reasons. Slainte, Jim -- Electronics http://www.st-and.ac.uk/~www_pa/Scots_Guide/intro/electron.htm Armstrong Audio http://www.audiomisc.co.uk/Armstrong/armstrong.html Audio Misc http://www.audiomisc.co.uk/index.html _______________________________________________ Rpcemu mailing list [email protected] http://www.riscos.info/cgi-bin/mailman/listinfo/rpcemu
