MMU Class Reference

#include <mmu.h>

Inheritance diagram for MMU:

PLA sidmemory

List of all members.

Public Member Functions

 MMU (EventContext *context, Bank *ioBank)
void reset ()
void setRoms (const uint8_t *kernal, const uint8_t *basic, const uint8_t *character)
uint8_t readMemByte (uint_least16_t addr)
uint_least16_t readMemWord (uint_least16_t addr)
void writeMemByte (uint_least16_t addr, uint8_t value)
void writeMemWord (uint_least16_t addr, uint_least16_t value)
void fillRam (uint_least16_t start, uint8_t value, unsigned int size)
void fillRam (uint_least16_t start, const uint8_t *source, unsigned int size)
void installResetHook (uint_least16_t addr)
void installBasicTrap (uint_least16_t addr)
void setBasicSubtune (uint8_t tune)
uint8_t cpuRead (uint_least16_t addr) const
void cpuWrite (uint_least16_t addr, uint8_t data)


Detailed Description

The C64 MMU chip.

Member Function Documentation

uint8_t MMU::cpuRead ( uint_least16_t  addr  )  const [inline]

Access memory as seen by CPU.

Parameters:
addr the address where to read from
Returns:
value at address

void MMU::cpuWrite ( uint_least16_t  addr,
uint8_t  data 
) [inline]

Access memory as seen by CPU.

Parameters:
addr the address where to write
data the value to write

void MMU::fillRam ( uint_least16_t  start,
const uint8_t *  source,
unsigned int  size 
) [inline, virtual]

Copy a buffer into a ram area

Parameters:
start the start of memory location where to write
source the source buffer
size the number of bytes to copy

Implements sidmemory.

void MMU::fillRam ( uint_least16_t  start,
uint8_t  value,
unsigned int  size 
) [inline, virtual]

Fill ram area with a constant value

Parameters:
start the start of memory location where to write
value the value to write
size the number of bytes to fill

Implements sidmemory.

void MMU::installBasicTrap ( uint_least16_t  addr  )  [inline, virtual]

Set BASIC Warm Start address

Parameters:
addr the new addres to point to

Implements sidmemory.

void MMU::installResetHook ( uint_least16_t  addr  )  [inline, virtual]

Change the RESET vector

Parameters:
addr the new addres to point to

Implements sidmemory.

uint8_t MMU::readMemByte ( uint_least16_t  addr  )  [inline, virtual]

Read one byte from memory

Parameters:
addr the memory location from which to read from

Implements sidmemory.

uint_least16_t MMU::readMemWord ( uint_least16_t  addr  )  [inline, virtual]

Read two contiguous bytes from memory

Parameters:
addr the memory location from which to read from

Implements sidmemory.

void MMU::setBasicSubtune ( uint8_t  tune  )  [inline, virtual]

Set the start tune

Parameters:
tune the tune number

Implements sidmemory.

void MMU::writeMemByte ( uint_least16_t  addr,
uint8_t  value 
) [inline, virtual]

Write one byte to memory

Parameters:
addr the memory location where to write
value the value to write

Implements sidmemory.

void MMU::writeMemWord ( uint_least16_t  addr,
uint_least16_t  value 
) [inline, virtual]

Write two contiguous bytes to memory

Parameters:
addr the memory location where to write
value the value to write

Implements sidmemory.


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

Generated on Sun Jul 14 23:12:59 2013 for libsidplayfp by  doxygen 1.5.9