Timer Class Reference

#include <timer.h>

Inheritance diagram for Timer:

List of all members.

Public Member Functions
void	setControlRegister (uint8_t cr)
void	syncWithCpu ()
void	wakeUpAfterSyncWithCpu ()
void	reset ()
void	latchLo (uint8_t data)
void	latchHi (uint8_t data)
void	setPbToggle (bool state)
int_least32_t	getState () const
uint_least16_t	getTimer () const
bool	getPb (uint8_t reg) const
Protected Member Functions
	Timer (const char *name, EventContext *context, MOS6526 *parent)
Protected Attributes
MOS6526 *const	parent
int_least32_t	state
Static Protected Attributes
static const int_least32_t	CIAT_CR_START = 0x01
static const int_least32_t	CIAT_STEP = 0x04
static const int_least32_t	CIAT_CR_ONESHOT = 0x08
static const int_least32_t	CIAT_CR_FLOAD = 0x10
static const int_least32_t	CIAT_PHI2IN = 0x20
static const int_least32_t	CIAT_CR_MASK = CIAT_CR_START | CIAT_CR_ONESHOT | CIAT_CR_FLOAD | CIAT_PHI2IN
static const int_least32_t	CIAT_COUNT2 = 0x100
static const int_least32_t	CIAT_COUNT3 = 0x200
static const int_least32_t	CIAT_ONESHOT0 = 0x08 << 8
static const int_least32_t	CIAT_ONESHOT = 0x08 << 16
static const int_least32_t	CIAT_LOAD1 = 0x10 << 8
static const int_least32_t	CIAT_LOAD = 0x10 << 16
static const int_least32_t	CIAT_OUT = 0x80000000

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Detailed Description

This is the base class for the MOS6526 timers.

Author:

Ken Händel

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Constructor & Destructor Documentation

Timer::Timer	(	const char *	name,
		EventContext *	context,
		MOS6526 *	parent
	)		[inline, protected]

Create a new timer.

Parameters:

name	component name
context	event context
parent	the MOS6526 which this Timer belongs to

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Member Function Documentation

bool Timer::getPb

(

uint8_t

reg

)

const [inline]

Get PB6/PB7 Flipflop state.

Parameters:

reg	value of the control register

Returns:

PB6/PB7 flipflop state

int_least32_t Timer::getState

(

)

const [inline]

Get current state value.

Returns:

current state value

uint_least16_t Timer::getTimer

(

)

const [inline]

Get current timer value.

Returns:

current timer value

void Timer::latchHi

(

uint8_t

data

)

Set high byte of Timer start value (Latch).

Parameters:

data	high byte of latch

void Timer::latchLo

(

uint8_t

data

)

Set low byte of Timer start value (Latch).

Parameters:

data	low byte of latch

void Timer::reset

(

)

Reset timer.

void Timer::setControlRegister

(

uint8_t

cr

)

Set CRA/CRB control register.

Parameters:

cr	control register value

void Timer::setPbToggle

(

bool

state

)

[inline]

Set PB6/PB7 Flipflop state.

Parameters:

state

PB6/PB7 flipflop state

void Timer::syncWithCpu

(

)

Perform cycle skipping manually.

Clocks the CIA up to the state it should be in, and stops all events.

void Timer::wakeUpAfterSyncWithCpu

(

)

Counterpart of syncWithCpu(), starts the event ticking if it is needed. No clock() call or anything such is permissible here!

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Member Data Documentation

MOS6526* const Timer::parent [protected]

Pointer to the MOS6526 which this Timer belongs to.

int_least32_t Timer::state [protected]

CRA/CRB control register / state.

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

• timer.h
• timer.cpp