#include <decoder.h>
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 |
HWSreg * | status |
Definition at line 1969 of file decoder.h.
Definition at line 1696 of file decoder.cpp.
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().
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.
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()().