{"action":"created","issue":{"url":"https://api.github.com/repos/fadden/6502bench/issues/20","repository_url":"https://api.github.com/repos/fadden/6502bench","labels_url":"https://api.github.com/repos/fadden/6502bench/issues/20/labels{/name}","comments_url":"https://api.github.com/repos/fadden/6502bench/issues/20/comments","events_url":"https://api.github.com/repos/fadden/6502bench/issues/20/events","html_url":"https://github.com/fadden/6502bench/issues/20","id":367063946,"node_id":"MDU6SXNzdWUzNjcwNjM5NDY=","number":20,"title":"Decide on a set of mnemonics for undocumented 6502 opcodes","user":{"login":"fadden","id":6185696,"node_id":"MDQ6VXNlcjYxODU2OTY=","avatar_url":"https://avatars0.githubusercontent.com/u/6185696?v=4","gravatar_id":"","url":"https://api.github.com/users/fadden","html_url":"https://github.com/fadden","followers_url":"https://api.github.com/users/fadden/followers","following_url":"https://api.github.com/users/fadden/following{/other_user}","gists_url":"https://api.github.com/users/fadden/gists{/gist_id}","starred_url":"https://api.github.com/users/fadden/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/fadden/subscriptions","organizations_url":"https://api.github.com/users/fadden/orgs","repos_url":"https://api.github.com/users/fadden/repos","events_url":"https://api.github.com/users/fadden/events{/privacy}","received_events_url":"https://api.github.com/users/fadden/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":1,"created_at":"2018-10-05T05:22:18Z","updated_at":"2018-10-05T15:57:19Z","closed_at":null,"author_association":"OWNER","body":"cc65, 64tass, and SourceGen have very similar mnemonics for the undocumented 6502 opcodes, but all three are slightly different.  I'd like to pick one set.  This doesn't matter too much -- SourceGen will remap the mnemonics to whatever the target assembler wants -- but it does affect what you see in the code list on screen.\r\n\r\nBesides, after 40 years, we really ought to settle on something.\r\n\r\n(The Apple II community doesn't do much with these, because the //c, enhanced //e, and IIgs use the 65C02 or 65816, so any code that uses the instructions would be limited to older computers.  Consequently I don't really have an opinion.  Well, I prefer HLT to JAM, but I'll get over it.)\r\n\r\nMy current inclination is to use the set defined by 64tass, since their documentation seems pretty thorough.  If there's a \"standard\" set that some notable group of people have agreed on, a pointer to it would be helpful."},"comment":{"url":"https://api.github.com/repos/fadden/6502bench/issues/comments/427414443","html_url":"https://github.com/fadden/6502bench/issues/20#issuecomment-427414443","issue_url":"https://api.github.com/repos/fadden/6502bench/issues/20","id":427414443,"node_id":"MDEyOklzc3VlQ29tbWVudDQyNzQxNDQ0Mw==","user":{"login":"fadden","id":6185696,"node_id":"MDQ6VXNlcjYxODU2OTY=","avatar_url":"https://avatars0.githubusercontent.com/u/6185696?v=4","gravatar_id":"","url":"https://api.github.com/users/fadden","html_url":"https://github.com/fadden","followers_url":"https://api.github.com/users/fadden/followers","following_url":"https://api.github.com/users/fadden/following{/other_user}","gists_url":"https://api.github.com/users/fadden/gists{/gist_id}","starred_url":"https://api.github.com/users/fadden/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/fadden/subscriptions","organizations_url":"https://api.github.com/users/fadden/orgs","repos_url":"https://api.github.com/users/fadden/repos","events_url":"https://api.github.com/users/fadden/events{/privacy}","received_events_url":"https://api.github.com/users/fadden/received_events","type":"User","site_admin":false},"created_at":"2018-10-05T15:57:19Z","updated_at":"2018-10-05T15:57:19Z","author_association":"OWNER","body":"Scanning through the docs...\r\n\r\n$4B: ALR (UO, cc65), ASR (64tass)\r\n$9B: TAS (UO, cc65), SHS (64tass)\r\n$BB: LAS (UO, cc65), LDS (64tass)\r\n$CB: SBX (UO, 64tass), AXS (cc65)\r\n$E3 (et. al.): ISC (UO, cc65), ISB (64tass)\r\n\r\n64tass does accept the UO versions as aliases, so they can all be used without remapping.  UO acknowledges most of the aliases, except LDS.\r\n\r\nLet's go with the UO version.\r\n"}}
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