PDP-8-E-Simulator/Utilities/Opcode.m

105 lines
1.7 KiB
Objective-C

/*
* PDP-8/E Simulator
*
* Copyright © 1994-2015 Bernhard Baehr
*
* Opcode.m - Class representing a PDP-8 opcode
*
* This file is part of PDP-8/E Simulator.
*
* PDP-8/E Simulator is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#import <Cocoa/Cocoa.h>
#import "Opcode.h"
@implementation Opcode
+ (Opcode *) opcodeWithAddress:(int)addr
{
return [[[self alloc] initWithAddress:addr] autorelease];
}
+ (Opcode *) opcodeWithAddress:(int)addr value:(int)value
{
return [[[self alloc] initWithAddress:addr value:value] autorelease];
}
- (id) copyWithZone:(NSZone *)zone
{
Opcode *new = [[Opcode alloc] initWithAddress:address];
new->word0 = word0;
new->word1 = word1;
return new;
}
- (Opcode *) initWithAddress:(int)addr
{
self = [super init];
address = addr;
word0 = word1 = -1;
return self;
}
- (Opcode *) initWithAddress:(int)addr value:(int)value
{
self = [super init];
address = addr;
word0 = value;
word1 = -1;
return self;
}
- (int) address
{
return address;
}
- (int) word0
{
return word0;
}
- (void) setWord0:(int)w0
{
word0 = w0;
}
- (int) word1
{
return word1;
}
- (void) setWord1:(int)w1
{
word1 = w1;
}
@end