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base:using_a_timer_as_an_inverted_raster_x-pos_register_method

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base:using_a_timer_as_an_inverted_raster_x-pos_register_method [2015-04-17 04:34] – external edit 127.0.0.1base:using_a_timer_as_an_inverted_raster_x-pos_register_method [2020-01-21 20:18] (current) – New method. pararaum
Line 95: Line 95:
 http://noname.c64.org/csdb/forums/?roomid=11&topicid=65658 http://noname.c64.org/csdb/forums/?roomid=11&topicid=65658
  
 +===== Stabilizing using a loop (work in progress) =====
 +
 +This idea by Krill is currently a work in progress, see https://csdb.dk/forums/?roomid=11&topicid=140414#140417.
 +
 +<code>
 +initstabilise   lda $d012
 +                ldx #10          ; 2
 +-               dex              ;   (10 * 5) + 4
 +                bpl -            ; 54
 +                nop              ; 2
 +                eor $d012 - $ff,x; 5 = 63
 +                bne initstabilise; 7 = 70
 +
 +                [...]; timer setup
 +</code>
base/using_a_timer_as_an_inverted_raster_x-pos_register_method.txt · Last modified: 2020-01-21 20:18 by pararaum