{"action":"opened","issue":{"url":"https://api.github.com/repos/joncampbell123/dosbox-x/issues/72","labels_url":"https://api.github.com/repos/joncampbell123/dosbox-x/issues/72/labels{/name}","comments_url":"https://api.github.com/repos/joncampbell123/dosbox-x/issues/72/comments","events_url":"https://api.github.com/repos/joncampbell123/dosbox-x/issues/72/events","html_url":"https://github.com/joncampbell123/dosbox-x/issues/72","id":68735471,"number":72,"title":"Windows 95 with machine=svga_s3 screen corruption when bringing up a DOS box","user":{"login":"joncampbell123","id":6245486,"avatar_url":"https://avatars.githubusercontent.com/u/6245486?v=3","gravatar_id":"","url":"https://api.github.com/users/joncampbell123","html_url":"https://github.com/joncampbell123","followers_url":"https://api.github.com/users/joncampbell123/followers","following_url":"https://api.github.com/users/joncampbell123/following{/other_user}","gists_url":"https://api.github.com/users/joncampbell123/gists{/gist_id}","starred_url":"https://api.github.com/users/joncampbell123/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/joncampbell123/subscriptions","organizations_url":"https://api.github.com/users/joncampbell123/orgs","repos_url":"https://api.github.com/users/joncampbell123/repos","events_url":"https://api.github.com/users/joncampbell123/events{/privacy}","received_events_url":"https://api.github.com/users/joncampbell123/received_events","type":"User","site_admin":false},"labels":[{"url":"https://api.github.com/repos/joncampbell123/dosbox-x/labels/bug","name":"bug","color":"fc2929"}],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":0,"created_at":"2015-04-15T16:58:29Z","updated_at":"2015-04-15T16:58:29Z","closed_at":null,"body":"It looks like somehow bringing up a DOS box causes the VGA memory mapping to revert back to the \"chained\" VGA emulation. Things are drawn in an inconsistent manner, where accelerated things are generally drawn OK but system-drawn (non accelerated) things are drawn in 4-pixel slices 12 pixels apart."}}