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HP 71B Ports
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06-14-2016, 07:29 AM
(This post was last modified: 06-14-2016 07:40 AM by J-F Garnier.)
Post: #12
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RE: HP 71B Ports
(06-13-2016 05:56 PM)Christoph Giesselink Wrote: Minor detail, looking inside the Emu71/Win v1.08beta6 source code I found a bug in the UNCNFG opcode implementation. Modules in Port 1-5 cannot be unconfigured because the un-configuration routine check if the DAISYIN line is high; this is rubbish. But also never seen, that this bug occured, because I never seen that a single module in a port was unconfigured by the UNCNFG opcode. The UNCNFG is used in the configuration code (at 10354, 106F2) to re-configure a single device (to move it at a different address). In this case, the root daisy line of that device chain is probably high, but I agree that the UNCNFG should not depend on the daisy line. I don't know any other use of the UNCNFG opcode. J-F |
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| Messages In This Thread |
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HP 71B Ports - Dave Frederickson - 06-10-2016, 12:16 AM
RE: HP 71B Ports - J-F Garnier - 06-11-2016, 07:38 AM
RE: HP 71B Ports - rprosperi - 06-11-2016, 12:40 PM
RE: HP 71B Ports - Sylvain Cote - 06-11-2016, 02:04 PM
RE: HP 71B Ports - Dave Frederickson - 06-11-2016, 02:24 PM
RE: HP 71B Ports - Sylvain Cote - 06-11-2016, 02:43 PM
RE: HP 71B Ports - J-F Garnier - 06-11-2016, 03:16 PM
RE: HP 71B Ports - rprosperi - 06-11-2016, 03:34 PM
RE: HP 71B Ports - J-F Garnier - 06-11-2016, 02:44 PM
RE: HP 71B Ports - Sylvain Cote - 06-11-2016, 02:48 PM
RE: HP 71B Ports - Christoph Giesselink - 06-13-2016, 05:56 PM
RE: HP 71B Ports - J-F Garnier - 06-14-2016 07:29 AM
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