79 lines
2.3 KiB
Objective-C
79 lines
2.3 KiB
Objective-C
/*
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* PDP-8/E Simulator
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*
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* Copyright © 1994-2015 Bernhard Baehr
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*
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* OpcodeFormatter.m - Formatter for the Opcode column of the CPU window
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*
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* This file is part of PDP-8/E Simulator.
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*
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* PDP-8/E Simulator is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#import <Cocoa/Cocoa.h>
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#import "OpcodeFormatter.h"
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#import "Opcode.h"
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#import "Assembler.h"
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#import "Disassembler.h"
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@implementation OpcodeFormatter
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+ (OpcodeFormatter *) formatterWithPDP8:(PDP8 *)p8 addressGetter:(id <OpcodeFormatterAddressGetter>)addrGetter
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{
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return [[[OpcodeFormatter alloc] initWithPDP8:p8 addressGetter:addrGetter] autorelease];
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}
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- (OpcodeFormatter *) initWithPDP8:(PDP8 *)p8 addressGetter:(id <OpcodeFormatterAddressGetter>)addrGetter;
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{
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pdp8 = p8;
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addressGetter = addrGetter;
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return self;
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}
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- (NSString *) stringForObjectValue:(Opcode *)opcode
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{
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// with Leopard, the formatter is called once for a Text Cell - don't know why
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if (! [opcode isKindOfClass:[Opcode class]])
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return nil;
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return [[Disassembler sharedDisassembler] disassembleOpcodeForPDP8:pdp8
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atAddress:[opcode address] showOperandsAtPC:TRUE];
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}
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- (NSString *) editingStringForObjectValue:(Opcode *)opcode
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{
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// with Yosemite, after typing invalid input, this method is called with the invalid string, not with an Opcode
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if ([opcode isKindOfClass:[NSString class]])
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return (NSString *) opcode;
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return [[Disassembler sharedDisassembler] disassembleOpcodeForPDP8:pdp8
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atAddress:[opcode address] showOperandsAtPC:FALSE];
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}
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- (BOOL) getObjectValue:(Opcode **)opcode forString:(NSString *)string errorDescription:(NSString **)error
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{
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*opcode = [[Assembler sharedAssembler]
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assemble:string atAddress:[addressGetter getCurrentAddress] error:error];
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return *opcode != nil;
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}
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@end
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