84 lines
2.7 KiB
Objective-C
84 lines
2.7 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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* ASR33.h - ASR 33 Teletype for the PDP-8/E Simulator
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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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#define KBB_CHANGED_NOTIFICATION @"asr33KeyboardBufferChangedNotification"
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#define TTO_CHANGED_NOTIFICATION @"asr33TeletypeOutputChangedNotification"
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#define TTY_ONLINE_CHANGED_NOTIFICATION @"asr33TTYOnlineChangedNotification"
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@class NSCondition, PaperTapeController, ASR33TextView, ASR33WindowController, TypeaheadBuffer;
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@interface ASR33 : PDP8Plugin <NSCoding, InputConsumer>
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{
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@public
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/* The attributes are public, so the C functions implementing the PDP-8 instructions can
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access them directly. No other Cocoa code should use them directly. To ensure this,
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the register names are mapped to dummy names with the #defines below. In the source
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codes files with the instruction C functions, #define USE_ASR33_REGISTERS_DIRECTLY
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to make the registers available. */
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unsigned short KBB;
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unsigned long inflag;
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unsigned long outflag;
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unsigned short output;
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@private
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unsigned short TTO; // private: not accessed by IOTs
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short int input; // int: can be EOF == -1
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unsigned short inAddress;
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unsigned short outAddress;
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unsigned short punchMask;
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IBOutlet PaperTapeController *reader;
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IBOutlet PaperTapeController *punch;
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IBOutlet ASR33TextView *textview;
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IBOutlet ASR33WindowController *windowController;
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IBOutlet TypeaheadBuffer *typeaheadBuffer;
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BOOL online;
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NSConditionLock *inputLock;
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NSConditionLock *outputLock;
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NSCondition *outputOnline;
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BOOL runWithRealtimeSpeed;
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BOOL playSound;
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float soundVolume;
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BOOL isConsoleTTY;
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}
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- (unsigned short) getKBB;
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- (void) setKBB:(unsigned short)kbb;
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- (unsigned short) getTTO;
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- (void) setTTO:(unsigned short)tto;
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- (BOOL) getOnline;
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- (void) setOnline:(BOOL)onlineOffline;
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- (void) canContinueOutput;
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@end
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#if ! USE_ASR33_REGISTERS_DIRECTLY
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#define KBB __dont_use_KBB__
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#define inflag __dont_use_inflag__
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#define outflag __dont_use_outflag__
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#define input __dont_use_input__
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#define output __dont_use_output__
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#endif
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