Detailed Description

VDP2 control.

#include <srl_vdp2.hpp>

Classes
struct	ColorOffset
	data strUcture of a VDP2 color offset to be set in Offset A or Offset B More...

class	NBG0
	NBG0 interface. More...

class	NBG1
	NBG1 interface. More...

class	NBG2
	NBG2 interface. More...

class	NBG3
	NBG3 interface. More...

class	RBG0
	RBG0 interface. More...

class	ScrollScreen
	Functionality available to all Scroll Screen interfaces. More...

class	SpriteLayer
	Interface to control VDP2 settings for the Sprite Layer (data from VDP1 framebuffer), such as Display priority and VDP2 color calculation) More...

class	VRAM
	Manages VDP2 VRAM allocation. More...

Public Types
enum class	ColorCalcMode : uint16_t { UseColorRatiosTop = 0x000 , UseColorRatios2nd = 0x200 , UseColorAddition = 0x100 }
	Basic Options for behavior of VDP2 Half Transparent Color Calculation. More...

enum class	ColorCondition : uint16_t { PriorityLessThan = CC_pr_CN , PriorityEquals = CC_PR_CN , PriorityGreaterThan = CC_PR_cn }
	Sprite Color Calculation Conditions (See SpriteLayer::SetColorCondition() for details) More...

enum class	OffsetChannel { NoOffset , OffsetA , OffsetB }
	Options for using color offsets on Scroll Screens. More...

enum class	Priority : uint16_t { Layer0 = 0 , Layer1 = 1 , Layer2 = 2 , Layer3 = 3 , Layer4 = 4 , Layer5 = 5 , Layer6 = 6 , Layer7 = 7 }
	VDP2 scroll priorities (Higher layers draw on top of lower layers) More...

enum class	RotationMode { OneAxis , TwoAxis , ThreeAxis }
	setting for RBG0,1 rotation constraints More...

enum class	SpriteBank : int16_t { Bank0 = scnSPR0 , Bank1 = scnSPR1 , Bank2 = scnSPR2 , Bank3 = scnSPR3 , Bank4 = scnSPR4 , Bank5 = scnSPR5 , Bank6 = scnSPR6 , Bank7 = scnSPR7 }
	Used to reference the Sprite color calculation ratio and priority registers. More...

enum class	VramBank : uint16_t { A0 = 0 , A1 = 1 , B0 = 2 , B1 = 3 }
	used to specify the 4 VRAM banks that are available for VDP2 allocation More...

Static Public Member Functions
static void	ClearVRAM ()
	Clear all VDP2 VRAM allocations and reset all Scroll Screen VRAM References, as well as all CRAM allocations associated with VDP2 Scroll Screens.

static void	Initialize (const Types::HighColor &backColor)
	Initialize VDP2.

static void	SetBackColor (const Types::HighColor &color)
	Set the back color.

static void	SetColorCalcMode (VDP2::ColorCalcMode mode=VDP2::ColorCalcMode::UseColorRatiosTop, bool extend=false)
	Sets VDP2 Half Transparent Color Calculation Mode (only one mode can be used at once)

static void	SetColorOffsetA (VDP2::ColorOffset &offset)
	Sets RGB color channel offset A.

static void	SetColorOffsetB (VDP2::ColorOffset &offset)
	Sets RGB color channel offset B.

static void	SetPrintPaletteColor (const uint16_t index, const Types::HighColor &color)
	Set color for print.

Static Public Attributes
static uint16_t	ActiveScrolls = NBG3ON\| SPRON
	Bitfield recording all Currently enabled Scroll Screens.

static uint16_t	ColorCalcScrolls = NBG3ON \| SPRON
	Bitfield recording all Scroll Screens with VDP2 Color Calculation enabled.

static uint16_t	OffsetAScrolls = NBG3ON
	Bitfield recording all Scroll Screens using Color Offset A.

static uint16_t	OffsetBScrolls = NBG3ON
	Bitfield recording all Scroll Screens using Color Offset B.

static uint16_t	TransparentScrolls = 0
	Bitfield recording all Scroll Screens That Disable transparent pixels.

Classes