libsidplayfp::MOS6526 Class Reference

#include <mos6526.h>

Inheritance diagram for libsidplayfp::MOS6526:

Collaboration diagram for libsidplayfp::MOS6526:

Public Member Functions
void	setModel (bool newModel)
virtual void	reset ()
void	setDayOfTimeRate (unsigned int clock)

Static Public Member Functions
static const char *	credits ()

Protected Member Functions
	MOS6526 (EventScheduler &scheduler)
virtual void	interrupt (bool state)=0
virtual void	portA ()
virtual void	portB ()
uint8_t	read (uint_least8_t addr)
void	write (uint_least8_t addr, uint8_t data)

Protected Attributes
EventScheduler &	eventScheduler
	Event context.
uint8_t &	pra
	Ports.
uint8_t &	prb
uint8_t &	ddra
uint8_t &	ddrb
uint8_t	regs [0x10]
	These are all CIA registers.
TimerA	timerA
	Timers A and B.
TimerB	timerB
std::unique_ptr< InterruptSource >	interruptSource
	Interrupt Source.
Tod	tod
	TOD.
SerialPort	serialPort
	Serial Data Registers.
EventCallback< MOS6526 >	bTickEvent
	Events.

Friends
class	InterruptSource6526
class	InterruptSource8521
class	SerialPort
class	TimerA
class	TimerB
class	Tod

Detailed Description

This class is heavily based on the ciacore/ciatimer source code from VICE. The CIA state machine is lifted as-is. Big thanks to VICE project!

Author

alankila

Constructor & Destructor Documentation

MOS6526()

libsidplayfp::MOS6526::MOS6526 ( EventScheduler &  scheduler )

protected

Create a new CIA.

Parameters

context

the event context

Member Function Documentation

credits()

const char * libsidplayfp::MOS6526::credits ( )

static

Get the credits.

Returns

the credits

interrupt()

virtual void libsidplayfp::MOS6526::interrupt ( bool  state )

protectedpure virtual

Signal interrupt.

Parameters

state

interrupt state

Implemented in libsidplayfp::c64cia2, and libsidplayfp::c64cia1.

read()

uint8_t libsidplayfp::MOS6526::read ( uint_least8_t  addr )

protected

Read CIA register.

Parameters

addr	register address to read (lowest 4 bits)

reset()

void libsidplayfp::MOS6526::reset ( )

virtual

Reset CIA.

Reimplemented in libsidplayfp::c64cia1.

setDayOfTimeRate()

void libsidplayfp::MOS6526::setDayOfTimeRate ( unsigned int  clock )

inline

Set day-of-time event occurence of rate.

Parameters

clock

setModel()

void libsidplayfp::MOS6526::setModel

(

bool

newModel

)

Select chip model.

Parameters

newModel

true for new model 8521, false for old 6526

write()

void libsidplayfp::MOS6526::write ( uint_least8_t  addr, uint8_t  data  )

protected

Write CIA register.

Parameters

addr	register address to write (lowest 4 bits)
data	value to write

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

• mos6526.h
• mos6526.cpp