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47 lines
1.4 KiB
C
47 lines
1.4 KiB
C
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// TestMachine6502.h
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// CLK
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//
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// Created by Thomas Harte on 29/06/2015.
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// Copyright © 2015 Thomas Harte. All rights reserved.
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//
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#import <Foundation/Foundation.h>
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typedef NS_ENUM(NSInteger, CSTestMachine6502Register) {
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CSTestMachine6502RegisterLastOperationAddress,
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CSTestMachine6502RegisterProgramCounter,
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CSTestMachine6502RegisterStackPointer,
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CSTestMachine6502RegisterFlags,
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CSTestMachine6502RegisterA,
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CSTestMachine6502RegisterX,
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CSTestMachine6502RegisterY,
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};
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extern const uint8_t CSTestMachine6502JamOpcode;
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@class CSTestMachine6502;
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@protocol CSTestMachine6502JamHandler <NSObject>
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- (void)testMachine:(CSTestMachine6502 *)machine didJamAtAddress:(uint16_t)address;
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@end
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@interface CSTestMachine6502 : NSObject
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- (void)setData:(NSData *)data atAddress:(uint16_t)startAddress;
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- (void)runForNumberOfCycles:(int)cycles;
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- (void)setValue:(uint8_t)value forAddress:(uint16_t)address;
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- (uint8_t)valueForAddress:(uint16_t)address;
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- (void)setValue:(uint16_t)value forRegister:(CSTestMachine6502Register)reg;
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- (uint16_t)valueForRegister:(CSTestMachine6502Register)reg;
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- (void)returnFromSubroutine;
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@property (nonatomic, readonly) BOOL isJammed;
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@property (nonatomic, readonly) uint32_t timestamp;
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@property (nonatomic, weak) id <CSTestMachine6502JamHandler> jamHandler;
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@property (nonatomic, assign) BOOL irqLine;
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@property (nonatomic, assign) BOOL nmiLine;
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@end
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