libsidplayfp::Sprites Class Reference

#include <sprites.h>

Public Member Functions
	Sprites (uint8_t regs[0x40])
void	reset ()
void	updateMc ()
void	updateMcBase ()
void	checkExp ()
void	checkDisplay ()
void	checkDma (unsigned int rasterY, uint8_t regs[0x40])
void	lineCrunch (uint8_t data, unsigned int lineCycle)
bool	isDma (unsigned int val) const

Detailed Description

Sprites handling.

Member Function Documentation

checkDisplay()

void libsidplayfp::Sprites::checkDisplay ( )

inline

Check if sprite is displayed.

checkDma()

void libsidplayfp::Sprites::checkDma ( unsigned int  rasterY, uint8_t  regs[0x40]  )

inline

Calculate sprite DMA.

@rasterY y raster position @regs the VIC registers

checkExp()

void libsidplayfp::Sprites::checkExp ( )

inline

Calculate sprite expansion.

isDma()

bool libsidplayfp::Sprites::isDma ( unsigned int  val ) const

inline

Check if dma is active for sprites.

Parameters

val	bitmask for selected sprites

lineCrunch()

void libsidplayfp::Sprites::lineCrunch ( uint8_t  data, unsigned int  lineCycle  )

inline

Calculate line crunch.

Parameters

data	the data written to the register
lineCycle	current line cycle

updateMc()

void libsidplayfp::Sprites::updateMc ( )

inline

Update mc values in one pass after the dma has been processed

updateMcBase()

void libsidplayfp::Sprites::updateMcBase ( )

inline

Update mc base value.

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The documentation for this class was generated from the following file:

• sprites.h