base:horizontal_screen_positioning_hsp
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base:horizontal_screen_positioning_hsp [2015-04-17 04:32] – created - external edit 127.0.0.1 | base:horizontal_screen_positioning_hsp [2024-03-13 02:05] (current) – martin_piper | ||
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====== Horizontal Screen Positioning (HSP) aka Wanker aka DMA-Delay ====== | ====== Horizontal Screen Positioning (HSP) aka Wanker aka DMA-Delay ====== | ||
- | * FIXME: | + | * [[demo world records and world firsts]] mentions VSP+IK - there VSP is " |
+ | * Also discussed in these posts: | ||
+ | * 2008 thread on CSDB called it HSP/DMA Delay: https:// | ||
+ | * VIC Article: 3.14.6. DMA delay : https:// | ||
+ | |||
This code is for PAL machines. To make it work for NTSC you have to do some minor timing modifications for each scan-line. | This code is for PAL machines. To make it work for NTSC you have to do some minor timing modifications for each scan-line. |
base/horizontal_screen_positioning_hsp.txt · Last modified: 2024-03-13 02:05 by martin_piper