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saga_video_hsstop [2016/05/23 21:22]
flype [Address]
saga_video_hsstop [2016/05/23 21:30]
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-====== SAGA_VIDEO_HSTRT Register ====== 
- 
-{{:​video.jpg?​64|}} 
- 
-Change the current SAGA Video [[saga_core_video#​chunky_modeline_description|ModeLine]] **HSSTOP** attribute. 
- 
----- 
- 
-===== Name ===== 
- 
-  * ''​SAGA_VIDEO_HSSTOP''​ 
- 
-===== Address ===== 
- 
-  * ''​0xDFF304''​ 
- 
-===== Access ===== 
- 
-  * ''​Write-Only''​ 
- 
-===== Size ===== 
- 
-  * ''​16-bits''​ 
- 
----- 
- 
-===== Description ===== 
- 
-See [[saga_core_video#​chunky_modeline_description|ModeLine]] for more information. 
- 
-^ Property ^ Short ^ Description ^ 
-| ''​HSSTOP''​-''​HSSTRT''​ | Sync Pulse | Amount of time it takes to start another line. | 
-| ''​HTOTAL''​-''​HSSTOP''​ | Back Porch | Amount of black pixels drawn to the left of the screen. | 
- 
----- 
-===== Example ===== 
- 
-The following ASM snippet shows how to fully set a valid [[saga_core_video#​chunky_modeline_description|ModeLine]]. 
- 
-  MAIN: 
-    lea    MyModeLine,​a0 ​  ; Load MyModeLine in A0 
-    move.w (a0)+,​$dff300 ​  ; SAGA_VIDEO_HPIXEL 
-    move.w (a0)+,​$dff302 ​  ; SAGA_VIDEO_HSSTRT 
-    move.w (a0)+,​$dff304 ​  ; SAGA_VIDEO_HSSTOP 
-    move.w (a0)+,​$dff306 ​  ; SAGA_VIDEO_HTOTAL 
-    move.w (a0)+,​$dff308 ​  ; SAGA_VIDEO_VPIXEL 
-    move.w (a0)+,​$dff30A ​  ; SAGA_VIDEO_VSSTRT 
-    move.w (a0)+,​$dff30C ​  ; SAGA_VIDEO_VSSTOP 
-    move.w (a0)+,​$dff30E ​  ; SAGA_VIDEO_VTOTAL 
-    move.w (a0)+,​$dff310 ​  ; SAGA_VIDEO_HVSYNC 
-    rts 
-  ​ 
-  MyModeLine: 
-    dc.w 800,​832,​912,​1024,​600,​604,​608,​625,​1 ; "​800x600@60"​ 38.400000 
- 
----- 
- 
-[[start|Home]] |  
-[[links|Links]] |  
-[[saga_core|SAGA]] |  
-[[saga_core_video|SAGA Video]] |  
-[[saga_core_registers|SAGA Registers]] 
  
  • saga_video_hsstop.txt
  • Last modified: 2016/05/23 21:30
  • (external edit)