digs.invaders
Class I8080

java.lang.Object
  digs.invaders.I8080

public final class I8080
extends java.lang.Object

Interpreting I8080 CPU emulator.

Field Summary

int	A
int	A1
int	B
int	B1
int	C
int	C1
int	cycles_left
int	D
int	D1
boolean	debugDisabled
int	debugFrom
int	debugLevel
int	debugMemLoc
int	debugMemVal
boolean	debugSelectMemEqVal
boolean	debugSelectStart
int	debugSkipped
int	debugUntil
int	DT
int	E
int	E1
int	error
int	ET
int	F
int	F1
int	H
int	H1
int	HT
int	I
int	I_Vector
boolean	IFF0
boolean	IFF1
int	ignoreBreakpoint
int	IM
boolean	IRQ
int	L
int	L1
java.lang.String	logFile
int	LT
boolean	NMI
int	PC
int	R
int	SP
int	SPT
boolean	state_HALT

Constructor Summary

I8080()
Default constructor debugging disabled Use this constructor for use in applets

Method Summary

void	exec(int num_cycles)
int	getCyclesLeft()
int	getDebug()
long	getInstruction() returns the currently excecuted instruction
boolean	init(CpuBoard ram, int debug) Initialize
void	interrupt(int type, boolean irq)
void	reset() Reset CPU - Only resets the registers
void	setDebug(int debugLevel) Sets the required debuglevel (if enabled):
void	setProperty(int property, int value)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

A

public int A

F

public int F

B

public int B

C

public int C

D

public int D

E

public int E

H

public int H

L

public int L

I

public int I

R

public int R

A1

public int A1

F1

public int F1

B1

public int B1

C1

public int C1

D1

public int D1

E1

public int E1

H1

public int H1

L1

public int L1

PC

public int PC

SP

public int SP

state_HALT

public boolean state_HALT

IM

public int IM

IFF0

public boolean IFF0

IFF1

public boolean IFF1

I_Vector

public int I_Vector

IRQ

public boolean IRQ

NMI

public boolean NMI

cycles_left

public int cycles_left

logFile

public java.lang.String logFile

debugLevel

public int debugLevel

debugFrom

public int debugFrom

debugSkipped

public int debugSkipped

debugUntil

public int debugUntil

debugMemLoc

public int debugMemLoc

debugMemVal

public int debugMemVal

ignoreBreakpoint

public int ignoreBreakpoint

debugDisabled

public boolean debugDisabled

debugSelectMemEqVal

public boolean debugSelectMemEqVal

debugSelectStart

public boolean debugSelectStart

error

public int error

HT

public int HT

LT

public int LT

DT

public int DT

ET

public int ET

SPT

public int SPT

Constructor Detail

I8080

public I8080()

Default constructor debugging disabled Use this constructor for use in applets

Method Detail

init

public boolean init(CpuBoard ram,
                    int debug)

Initialize

getInstruction

public final long getInstruction()

returns the currently excecuted instruction

interrupt

public final void interrupt(int type,
                            boolean irq)

reset

public final void reset()

Reset CPU - Only resets the registers

exec

public final void exec(int num_cycles)

setDebug

public final void setDebug(int debugLevel)

Sets the required debuglevel (if enabled):

getDebug

public final int getDebug()

setProperty

public final void setProperty(int property,
                              int value)

getCyclesLeft

public int getCyclesLeft()