avr_op_SUB Class Reference

#include <decoder.h>

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List of all members.

Public Member Functions

 avr_op_SUB (word opcode, AvrDevice *c)
virtual unsigned char GetModifiedR () const
 If this instruction modifies a R0-R31 register then return its number, otherwise -1.
int operator() ()
 Performs instruction.
int Trace ()
 Performs instruction and write out instruction mnemonic for trace.

Protected Attributes

unsigned char R1
unsigned char R2
HWSregstatus

Detailed Description

Definition at line 1969 of file decoder.h.


Constructor & Destructor Documentation

avr_op_SUB::avr_op_SUB ( word  opcode,
AvrDevice c 
)

Definition at line 1696 of file decoder.cpp.


Member Function Documentation

unsigned char avr_op_SUB::GetModifiedR (  )  const [virtual]

If this instruction modifies a R0-R31 register then return its number, otherwise -1.

Reimplemented from DecodedInstruction.

Definition at line 1702 of file decoder.cpp.

References R1.

int avr_op_SUB::operator() (  )  [virtual]

Performs instruction.

Implements DecodedInstruction.

Definition at line 1705 of file decoder.cpp.

References HWSreg_bool::C, DecodedInstruction::core, get_sub_carry(), get_sub_overflow(), AvrDevice::GetCoreReg(), HWSreg_bool::H, HWSreg_bool::N, R1, R2, HWSreg_bool::S, AvrDevice::SetCoreReg(), status, HWSreg_bool::V, and HWSreg_bool::Z.

Referenced by Trace().

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int avr_op_SUB::Trace (  )  [virtual]

Performs instruction and write out instruction mnemonic for trace.

Implements DecodedInstruction.

Definition at line 727 of file decoder_trace.cpp.

References MONSREG, operator()(), R1, R2, and traceOut.

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Member Data Documentation

unsigned char avr_op_SUB::R1 [protected]

Definition at line 1982 of file decoder.h.

Referenced by GetModifiedR(), operator()(), and Trace().

unsigned char avr_op_SUB::R2 [protected]

Definition at line 1983 of file decoder.h.

Referenced by operator()(), and Trace().

HWSreg* avr_op_SUB::status [protected]

Definition at line 1984 of file decoder.h.

Referenced by operator()().


The documentation for this class was generated from the following files:
Generated on Sun Feb 12 16:49:25 2012 for Simulavr by  doxygen 1.6.3