emu6502.h

00001 // emu6502.h - Emu6502 - MOS6502 Emulator
00002 //
00003 ////////////////////////////////////////////////////////////////////////////////
00004 //
00005 // c-simple-emu-cbm (C Portable Version)
00006 // C64/6502 Emulator for Terminal Console
00007 //
00008 // MIT License
00009 //
00010 // Copyright(c) 2020 by David R. Van Wagner
00011 // davevw.com
00012 //
00013 // Permission is hereby granted, free of charge, to any person obtaining a copy
00014 // of this software and associated documentation files (the "Software"), to deal
00015 // in the Software without restriction, including without limitation the rights
00016 // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
00017 // copies of the Software, and to permit persons to whom the Software is
00018 // furnished to do so, subject to the following conditions:
00019 //
00020 // The above copyright notice and this permission notice shall be included in all
00021 // copies or substantial portions of the Software.
00022 //
00023 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
00024 // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
00025 // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.IN NO EVENT SHALL THE
00026 // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
00027 // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
00028 // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
00029 // SOFTWARE.
00030 //
00031 ////////////////////////////////////////////////////////////////////////////////
00032 
00033 #pragma once
00034 
00035 typedef signed char sbyte;
00036 typedef unsigned char byte;
00037 //typedef unsigned char bool;
00038 typedef unsigned short ushort;
00039 #define false 0
00040 #define true 1
00041 
00042 extern byte A;
00043 extern byte X;
00044 extern byte Y;
00045 extern byte S;
00046 extern bool N;
00047 extern bool V;
00048 extern bool B;
00049 extern bool D;
00050 extern bool I;
00051 extern bool Z;
00052 extern bool C;
00053 extern ushort PC;
00054 
00055 extern bool trace;
00056 extern bool step;
00057 
00058 extern void ResetRun(bool (*ExecutePatch)(void));
00059 extern void Execute(ushort addr, bool (*ExecutePatch)(void));
00060 extern void Push(int value);
00061 extern byte Pop(void);
00062 extern void DisassembleLong(ushort addr, bool *p_conditional, byte *p_bytes, ushort *p_addr2, char *dis, int dis_size, char *line, int line_size);
00063 extern void DisassembleShort(ushort addr, bool *p_conditional, byte *p_bytes, ushort *p_addr2, char *dis, int dis_size);
00064 extern byte LO(ushort value);
00065 extern byte HI(ushort value);
00066 
00067 extern void SetMemory(ushort addr, byte value);
00068 extern byte GetMemory(ushort addr);
00069 extern bool ExecutePatch(void);