Difference between revisions of "VICKY"
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Modes are enabled and disabled via the Vicky Master Control Register at $AF0000 via the control bits: | Modes are enabled and disabled via the Vicky Master Control Register at $AF0000 via the control bits: | ||
| − | Mstr_Ctrl_Text_Mode_En = $01 | + | Mstr_Ctrl_Text_Mode_En = $01 Enable the Text Mode |
| − | Mstr_Ctrl_Text_Overlay = $02 | + | Mstr_Ctrl_Text_Overlay = $02 Enable the Overlay of the text mode on top of Graphic Mode (the Background Color is ignored) |
| − | Mstr_Ctrl_Graph_Mode_En = $04 | + | Mstr_Ctrl_Graph_Mode_En = $04 Enable the Graphic Mode |
| − | Mstr_Ctrl_Bitmap_En = $08 | + | Mstr_Ctrl_Bitmap_En = $08 Enable the Bitmap Module In Vicky |
| − | Mstr_Ctrl_TileMap_En = $10 | + | Mstr_Ctrl_TileMap_En = $10 Enable the Tile Module in Vicky |
| − | Mstr_Ctrl_Sprite_En = $20 | + | Mstr_Ctrl_Sprite_En = $20 Enable the Sprite Module in Vicky |
| − | Mstr_Ctrl_GAMMA_En = $40 | + | Mstr_Ctrl_GAMMA_En = $40 Enable the GAMMA correction - The Analog and DVI have different color values, the GAMMA is great to correct the difference |
| − | Mstr_Ctrl_Disable_Vid = $80 | + | Mstr_Ctrl_Disable_Vid = $80 This will disable the Scanning of the Video hence giving 100% bandwith to the CPU |
Revision as of 00:03, 11 April 2019
VICKY - the graphics engine
"Vicky" is the name of the graphics engine of the C256 Foenix. It supports:
- 640x480@60FPS Max Resolution @ 256 Colors (1 Byte Per pixel) - 32 Sprites with a resolution of 32x32 pixel - 4 layers of tiles with a resolution of 16x16 for each tile - Text Mode
Modes
Modes are enabled and disabled via the Vicky Master Control Register at $AF0000 via the control bits:
Mstr_Ctrl_Text_Mode_En = $01 Enable the Text Mode Mstr_Ctrl_Text_Overlay = $02 Enable the Overlay of the text mode on top of Graphic Mode (the Background Color is ignored) Mstr_Ctrl_Graph_Mode_En = $04 Enable the Graphic Mode Mstr_Ctrl_Bitmap_En = $08 Enable the Bitmap Module In Vicky Mstr_Ctrl_TileMap_En = $10 Enable the Tile Module in Vicky Mstr_Ctrl_Sprite_En = $20 Enable the Sprite Module in Vicky Mstr_Ctrl_GAMMA_En = $40 Enable the GAMMA correction - The Analog and DVI have different color values, the GAMMA is great to correct the difference Mstr_Ctrl_Disable_Vid = $80 This will disable the Scanning of the Video hence giving 100% bandwith to the CPU
