{"id":298,"date":"2021-05-15T19:55:59","date_gmt":"2021-05-15T17:55:59","guid":{"rendered":"https:\/\/www.dev-tronic.de\/?p=298"},"modified":"2021-08-25T08:39:15","modified_gmt":"2021-08-25T06:39:15","slug":"byte-reverse","status":"publish","type":"post","link":"https:\/\/www.dev-tronic.de\/?p=298","title":{"rendered":"Z80 &#8211; Byte reverse"},"content":{"rendered":"\n<p>Ein Byte im Register A schnell &#8222;links machen&#8220;, also umdrehen, geht so:<\/p>\n\n\n\n<div class=\"wp-block-urvanov-syntax-highlighter-code-block\"><pre class=\"lang:z80 decode:true \">           ld l,a    ; a = 76543210\n           rlca\n           rlca      ; a = 54321076\n           xor l\n           and 0xAA\n           xor l     ; a = 56341270\n           ld l,a\n           rlca\n           rlca\n           rlca      ; a = 41270563\n           rrc l     ; l = 05634127\n           xor l\n           and 0x66\n           xor l     ; a = 01234567<\/pre><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Ein Byte im Register A schnell &#8222;links machen&#8220;, also umdrehen, geht so:<\/p>\n","protected":false},"author":10,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[20],"tags":[25,23,11],"class_list":["post-298","post","type-post","status-publish","format-standard","hentry","category-z80codeschnipsel","tag-8-bit","tag-rechnen","tag-z80"],"_links":{"self":[{"href":"https:\/\/www.dev-tronic.de\/index.php?rest_route=\/wp\/v2\/posts\/298","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.dev-tronic.de\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.dev-tronic.de\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.dev-tronic.de\/index.php?rest_route=\/wp\/v2\/users\/10"}],"replies":[{"embeddable":true,"href":"https:\/\/www.dev-tronic.de\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=298"}],"version-history":[{"count":3,"href":"https:\/\/www.dev-tronic.de\/index.php?rest_route=\/wp\/v2\/posts\/298\/revisions"}],"predecessor-version":[{"id":343,"href":"https:\/\/www.dev-tronic.de\/index.php?rest_route=\/wp\/v2\/posts\/298\/revisions\/343"}],"wp:attachment":[{"href":"https:\/\/www.dev-tronic.de\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=298"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.dev-tronic.de\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=298"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.dev-tronic.de\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=298"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}