c64cia1 Class Reference

#include <c64cia.h>

Inheritance diagram for c64cia1:

Collaboration diagram for c64cia1:

Public Member Functions
	c64cia1 (c64env *env)
void	poke (uint_least16_t address, uint8_t value)
uint8_t	peek (uint_least16_t address)
void	reset ()
uint_least16_t	getTimerA () const
Public Member Functions inherited from MOS6526
virtual void	reset ()
void	setDayOfTimeRate (unsigned int clock)
virtual void	reset ()=0
virtual void	poke (uint_least16_t address, uint8_t value)=0
virtual uint8_t	peek (uint_least16_t address)=0

Protected Member Functions
void	interrupt (bool state)
void	portB ()
Protected Member Functions inherited from MOS6526
	MOS6526 (EventContext *context)
void	bTick ()
void	trigger ()
void	underflowA ()
void	underflowB ()
void	trigger (uint8_t interruptMask)
void	clear ()
void	serialPort ()
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)
virtual uint8_t	read (uint_least8_t addr)=0
virtual void	write (uint_least8_t addr, uint8_t data)=0

Additional Inherited Members
Static Public Member Functions inherited from MOS6526
static const char *	credits ()
Protected Attributes inherited from MOS6526
uint8_t	regs [0x10]
	These are all CIA registers.
uint8_t &	pra
	Ports.
uint8_t &	prb
uint8_t &	ddra
uint8_t &	ddrb
TimerA	timerA
	Timers A and B.
TimerB	timerB
uint8_t	sdr_out
	Serial Data Registers.
bool	sdr_buffered
int	sdr_count
uint8_t	icr
	Interrupt control register.
uint8_t	idr
	Interrupt data register.
EventContext &	event_context
	Event context.
Tod	tod
	TOD.
bool	triggerScheduled
	Have we already scheduled CIA->CPU interrupt transition?
EventCallback< MOS6526 >	bTickEvent
	Events.
EventCallback< MOS6526 >	triggerEvent
EventCallback< MOS6526 >	spEvent

Detailed Description

CIA 1

Generates IRQs

Located at $DC00-$DCFF

Member Function Documentation

interrupt()

void c64cia1::interrupt ( bool  state )

inlineprotectedvirtual

Signal interrupt.

Parameters

state

interrupt state

Implements MOS6526.

peek()

uint8_t c64cia1::peek ( uint_least16_t  address )

inlinevirtual

Bank read. You probably should override this method, except if the Bank is only used in write context.

Parameters

address

value to read from

Returns

value at address

Implements Bank.

poke()

void c64cia1::poke ( uint_least16_t  address, uint8_t  value  )

inlinevirtual

Bank write.

Override this method if you expect write operations on your bank. Leave unimplemented if it's logically/operationally impossible for writes to ever arrive to bank.

Parameters

address	address to write to
value	value to write

Implements Bank.

portB()

void c64cia1::portB ( )

inlineprotectedvirtual

Reimplemented from MOS6526.

reset()

void c64cia1::reset ( )

inlinevirtual

Reset CIA.

Reimplemented from MOS6526.

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

• c64cia.h