cMapMemHW Class Reference

#include <nagra2.h>

Inheritance diagram for cMapMemHW:

List of all members.

Public Member Functions
	cMapMemHW (void)
virtual unsigned char	Get (unsigned short ea)
virtual void	Set (unsigned short ea, unsigned char val)
int	AddCycles (unsigned int num)

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Detailed Description

Definition at line 245 of file nagra2.h.

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Constructor & Destructor Documentation

cMapMemHW::cMapMemHW

(

void

)

Definition at line 249 of file nagra2.c.

References HW_NUM, i, L_SYS_EMU, MAX_TIMERS, cMapMem::offset, PRINTF, and cMapMem::size.

:cMapMem(HW_OFFSET,HW_REGS)
{
  for(int i=0; i<MAX_TIMERS; i++) timer[i].SetNumber(HW_NUM(i));
  PRINTF(L_SYS_EMU,"mapmemhw: new HW map off=%04x size=%04x",offset,size);
}

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Member Function Documentation

int cMapMemHW::AddCycles

(

unsigned int

num

)

Definition at line 256 of file nagra2.c.

References cN2CRC::AddCycles(), i, MAX_TIMERS, and cN2Timer::Number().

Referenced by cN2Prov0501::TimerHandler(), and cN2Prov0101::TimerHandler().

{
  crc.AddCycles(num);
  int mask=0;
  for(int i=0; i<MAX_TIMERS; i++)
    if(timer[i].AddCycles(num)) mask|=1<<timer[i].Number();
  return mask;
}

unsigned char cMapMemHW::Get

(

unsigned short

ea

)

[virtual]

Reimplemented from cMapMem.

Definition at line 265 of file nagra2.c.

References cN2CRC::Ctrl(), cN2Timer::Ctrl(), cN2Timer::Cycles(), cN2CRC::Data(), cN2Timer::Latch(), cMapMem::mem, cMapMem::offset, cMapMem::size, and TIMER_NUM.

{
  if(ea<offset || ea>=offset+size) return 0;
  ea-=offset;
  switch(ea) {
    case HW_SECURITY:
      return (mem[ea]&0x70)|0x0F;
    case HW_TIMER0_CONTROL:
    case HW_TIMER1_CONTROL:
    case HW_TIMER2_CONTROL:
      return timer[TIMER_NUM(ea)].Ctrl();
    case HW_TIMER0_DATA:
    case HW_TIMER1_DATA:
    case HW_TIMER2_DATA:
      return timer[TIMER_NUM(ea)].Cycles();
    case HW_TIMER0_LATCH:
    case HW_TIMER1_LATCH:
    case HW_TIMER2_LATCH:
      return timer[TIMER_NUM(ea)].Latch();
    case HW_CRC_CONTROL:
      return crc.Ctrl();
    case HW_CRC_DATA:
      return crc.Data();
    default:
      return mem[ea];
    }
}

void cMapMemHW::Set	(	unsigned short	ea,
		unsigned char	val
	)		[virtual]

Reimplemented from cMapMem.

Definition at line 293 of file nagra2.c.

References cN2CRC::Ctrl(), cN2Timer::Ctrl(), cN2CRC::Data(), cN2Timer::Latch(), cMapMem::mem, cMapMem::offset, cMapMem::size, and TIMER_NUM.

{
  if(ea<offset || ea>=offset+size) return;
  ea-=offset;
  switch(ea) {
    case HW_TIMER0_CONTROL:
    case HW_TIMER1_CONTROL:
    case HW_TIMER2_CONTROL:
      timer[TIMER_NUM(ea)].Ctrl(val);
      break;
    case HW_TIMER0_LATCH:
    case HW_TIMER1_LATCH:
    case HW_TIMER2_LATCH:
      timer[TIMER_NUM(ea)].Latch(val);
      break;
    case HW_CRC_CONTROL:
      crc.Ctrl(val);
      break;
    case HW_CRC_DATA:
      crc.Data(val);
      break;
    default:
      mem[ea]=val;
      break;
    }
}

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

• sc/PLUGINS/src/sc-src/systems/nagra/nagra2.h
• sc/PLUGINS/src/sc-src/systems/nagra/nagra2.c