cEmuRom3Core Class Reference

Inheritance diagram for cEmuRom3Core:

List of all members.

Public Member Functions
	cEmuRom3Core (void)
Protected Member Functions
virtual void	Stepper (void)
virtual void	WriteHandler (unsigned char seg, unsigned short ea, unsigned char &op)
virtual void	ReadHandler (unsigned char seg, unsigned short ea, unsigned char &op)
bool	CoreInitSetup (void)
bool	DoMaps (bool hasExt)

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Detailed Description

Definition at line 188 of file nagra1.c.

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Constructor & Destructor Documentation

cEmuRom3Core::cEmuRom3Core

(

void

)

Definition at line 201 of file nagra1.c.

References c6805::hasReadHandler, and c6805::hasWriteHandler.

{
  hasReadHandler=hasWriteHandler=true;
  special05=false;
}

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Member Function Documentation

bool cEmuRom3Core::CoreInitSetup

(

void

)

[protected]

Definition at line 234 of file nagra1.c.

References c6805::ForceSet(), and c6805::Set().

Referenced by cEmuRom7::InitSetup(), cEmuRom3::InitSetup(), and cEmuRom3::UpdateSetup().

{
  ForceSet(0x0001,1<<3,true);
  Set(0x0002,0x03);
  Set(0x004e,0x4B);
  return true;
}

bool cEmuRom3Core::DoMaps

(

bool

hasExt

)

[protected]

Definition at line 242 of file nagra1.c.

References cEmu::AddEeprom(), cEmu::AddRom(), cEmu::eepromName, cEmu::romExtName, and cEmu::romName.

Referenced by cEmuRom7::InitSetup(), and cEmuRom3::InitSetup().

{
  // Eeprom & ROMext are non-fatal also they are required for some providers
  if(hasExt) AddRom(0x2000,0x2000,romExtName);
  AddEeprom(0xE000,0x1000,0x20,eepromName);
  return AddRom(0x4000,0x4000,romName);
}

void cEmuRom3Core::ReadHandler	(	unsigned char	seg,
		unsigned short	ea,
		unsigned char &	op
	)		[protected, virtual]

Reimplemented from c6805.

Definition at line 212 of file nagra1.c.

References c6805::Get(), and start().

{
  if(special05) {
    special05=false; // prevent loop
    unsigned short start=Get(0x30C0);
    unsigned short end=Get(0x30C1);
    if(((ea>>8)>=start) && ((ea>>8)<=end)) op=0x00; // dataspace
    else op=0x01;                                   // codespace
    special05=true;
    }
  else
    switch(ea) {
      case 0x06:
      case 0x07:
        if(!(Get(0x04)&4)) op=random()&0xFF;
        break;
      }
}

void cEmuRom3Core::Stepper

(

void

)

[protected, virtual]

Implements c6805.

Definition at line 231 of file nagra1.c.

{}

void cEmuRom3Core::WriteHandler	(	unsigned char	seg,
		unsigned short	ea,
		unsigned char &	op
	)		[protected, virtual]

Reimplemented from c6805.

Definition at line 207 of file nagra1.c.

{
  if(ea==0x05) special05=(op&0x40)!=0;
}

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

• sc/PLUGINS/src/sc-src/systems/nagra/nagra1.c