{"action":"created","issue":{"url":"https://api.github.com/repos/olikraus/u8g2/issues/542","repository_url":"https://api.github.com/repos/olikraus/u8g2","labels_url":"https://api.github.com/repos/olikraus/u8g2/issues/542/labels{/name}","comments_url":"https://api.github.com/repos/olikraus/u8g2/issues/542/comments","events_url":"https://api.github.com/repos/olikraus/u8g2/issues/542/events","html_url":"https://github.com/olikraus/u8g2/issues/542","id":305968151,"number":542,"title":"Bitmap cropped when using two displays","user":{"login":"kaichan","id":7477113,"avatar_url":"https://avatars3.githubusercontent.com/u/7477113?v=4","gravatar_id":"","url":"https://api.github.com/users/kaichan","html_url":"https://github.com/kaichan","followers_url":"https://api.github.com/users/kaichan/followers","following_url":"https://api.github.com/users/kaichan/following{/other_user}","gists_url":"https://api.github.com/users/kaichan/gists{/gist_id}","starred_url":"https://api.github.com/users/kaichan/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/kaichan/subscriptions","organizations_url":"https://api.github.com/users/kaichan/orgs","repos_url":"https://api.github.com/users/kaichan/repos","events_url":"https://api.github.com/users/kaichan/events{/privacy}","received_events_url":"https://api.github.com/users/kaichan/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":1,"created_at":"2018-03-16T15:18:17Z","updated_at":"2018-03-16T16:55:19Z","closed_at":null,"author_association":"NONE","body":"Thanks for maintaining this great library.\r\nI tried to use two SSD1306 displays to display bitmaps.\r\n\r\n```\r\nU8G2_SSD1306_64X48_ER_1_4W_SW_SPI u8g2b(U8G2_R0, 10 , 9 ,  12, 11, 13);\r\nU8G2_SSD1306_64X48_ER_1_4W_SW_SPI u8g2(U8G2_R0, 3 , 5 , 6, 7,  8);  \r\n```\r\n\r\nit works but with a tiny problem which there are 8 lines of pixels missing at the bottom of the 2nd display.\r\ndrawXBMP() is being used.\r\n\r\nAny suggestion is welcomed.\r\n![20180316_230530](https://user-images.githubusercontent.com/7477113/37528632-16f72300-2970-11e8-9960-3345658b2b10.jpg)\r\n"},"comment":{"url":"https://api.github.com/repos/olikraus/u8g2/issues/comments/373777225","html_url":"https://github.com/olikraus/u8g2/issues/542#issuecomment-373777225","issue_url":"https://api.github.com/repos/olikraus/u8g2/issues/542","id":373777225,"user":{"login":"olikraus","id":1084992,"avatar_url":"https://avatars2.githubusercontent.com/u/1084992?v=4","gravatar_id":"","url":"https://api.github.com/users/olikraus","html_url":"https://github.com/olikraus","followers_url":"https://api.github.com/users/olikraus/followers","following_url":"https://api.github.com/users/olikraus/following{/other_user}","gists_url":"https://api.github.com/users/olikraus/gists{/gist_id}","starred_url":"https://api.github.com/users/olikraus/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/olikraus/subscriptions","organizations_url":"https://api.github.com/users/olikraus/orgs","repos_url":"https://api.github.com/users/olikraus/repos","events_url":"https://api.github.com/users/olikraus/events{/privacy}","received_events_url":"https://api.github.com/users/olikraus/received_events","type":"User","site_admin":false},"created_at":"2018-03-16T16:55:19Z","updated_at":"2018-03-16T16:55:19Z","author_association":"OWNER","body":"difficult without knowing your code. Can you post the part of your code which generates these pictures?\r\n\r\nMy assumption is: You use a ```_1_``` constructor together with the pricture loop, but something went wrong in the while condition. Maybe during copy&paste you missed to exchange all  u8g2 to u8g2b"}}
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