{"id":603,"date":"2026-02-26T11:19:11","date_gmt":"2026-02-26T10:19:11","guid":{"rendered":"https:\/\/www.dev-tronic.de\/?p=603"},"modified":"2026-02-26T11:35:09","modified_gmt":"2026-02-26T10:35:09","slug":"6502-eine-256-byte-grossen-block-kopieren","status":"publish","type":"post","link":"https:\/\/www.dev-tronic.de\/?p=603","title":{"rendered":"6502 &#8211; Eine 256\u202fByte gro\u00dfen Block kopieren"},"content":{"rendered":"\n<p>Dieses kleine Programm kopiert 256 Byte von einem Adressbereich in einen anderen Adressbereich. Es wird mit Zero-Page-Pointern gearbeitet.<\/p>\n\n\n\n<p>\/<pre class=\"lang:asm decode:true \">; Kopiert 256 Bytes von $0200 nach $0300, clobbert A,X<br>; Zyklen: ~ (4 + 256*(6..7)) je nach Page-Crossing<br><br>        .org $0801          ; Beispielstart (optional)<br><br>srcPtr  = $fb               ; Zero-Page-Word<br>dstPtr  = $fd<br><br>        lda #$00<br>        sta srcPtr<br>        lda #$02<br>        sta srcPtr+1<br>        lda #$00<br>        sta dstPtr<br>        lda #$03<br>        sta dstPtr+1<br><br>        ldx #$00<br>copyLp: lda (srcPtr),x      ; 6 Zyklen (7 bei Page-Crossing)<br>        sta (dstPtr),x      ; 6 Zyklen (7 bei Page-Crossing)<br>        inx<br>        bne copyLp          ; 2\/3 Zyklen, 256 Iterationen<br>        rts<\/pre><\/p>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Dieses kleine Programm kopiert 256 Byte von einem Adressbereich in einen anderen Adressbereich. Es wird mit Zero-Page-Pointern gearbeitet. \/ ; Kopiert 256 Bytes von $0200 nach $0300, clobbert A,X; Zyklen: ~ (4 + 256*(6..7)) je nach Page-Crossing .org $0801 ; Beispielstart (optional)srcPtr = $fb ; Zero-Page-WorddstPtr = $fd lda #$00 sta srcPtr lda #$02 sta srcPtr+1 lda #$00 sta dstPtr lda #$03 sta dstPtr+1 ldx #$00copyLp: lda (srcPtr),x ; 6 Zyklen (7 bei Page-Crossing) sta (dstPtr),x ; 6 Zyklen (7<\/p>\n","protected":false},"author":10,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[9,35],"tags":[],"class_list":["post-603","post","type-post","status-publish","format-standard","hentry","category-9","category-6502_codeschnipsel"],"_links":{"self":[{"href":"https:\/\/www.dev-tronic.de\/index.php?rest_route=\/wp\/v2\/posts\/603","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=603"}],"version-history":[{"count":5,"href":"https:\/\/www.dev-tronic.de\/index.php?rest_route=\/wp\/v2\/posts\/603\/revisions"}],"predecessor-version":[{"id":610,"href":"https:\/\/www.dev-tronic.de\/index.php?rest_route=\/wp\/v2\/posts\/603\/revisions\/610"}],"wp:attachment":[{"href":"https:\/\/www.dev-tronic.de\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=603"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.dev-tronic.de\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=603"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.dev-tronic.de\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=603"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}