74 lines
2.4 KiB
Objective-C
74 lines
2.4 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 RBF_CHANGED_NOTIFICATION @"pc8eReaderBufferChangedNotification"
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#define PBF_CHANGED_NOTIFICATION @"pc8ePunchBufferChangedChangedNotification"
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@class NSCondition, KeepInMenuWindow, RegisterFormCell, PaperTapeController;
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@interface PC8E : PDP8Plugin <NSCoding>
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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_PC8E_REGISTERS_DIRECTLY
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to make the registers available. */
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unsigned short RBF;
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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 PBF; // private: not accessed by IOTs
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int input; // int: can be EOF == -1
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IBOutlet KeepInMenuWindow *window;
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IBOutlet RegisterFormCell *rbfCell;
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IBOutlet RegisterFormCell *pbfCell;
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IBOutlet PaperTapeController *reader;
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IBOutlet PaperTapeController *punch;
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NSConditionLock *inputLock;
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NSConditionLock *outputLock;
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}
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- (void) canContinueInput;
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- (void) canContinueOutput;
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- (unsigned short) getRBF;
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- (void) setRBF:(unsigned short)rbf;
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- (unsigned short) getPBF;
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- (void) setPBF:(unsigned short)pbf;
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@end
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#if ! USE_PC8E_REGISTERS_DIRECTLY
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#define RBF __dont_use_RBF__
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#define PBF __dont_use_PBF__
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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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