6502 emulator for Commodore 64 ROMs, serial terminal edition for MBED. Recommend terminal echo on, line edit on, caps lock, 115200bps, implicit carriage return on newline, currently non-buffered so don't paste lots of stuff
More details at:
[https://github.com/davervw] [https://techwithdave.davevw.com/2020/03/simple-emu-c64.html]
emu6502.h
- Committer:
- davervw
- Date:
- 2020-04-15
- Revision:
- 8:519febdce8db
- Parent:
- 7:f49fa56672d8
File content as of revision 8:519febdce8db:
// emu6502.h - Emu6502 - MOS6502 Emulator // //////////////////////////////////////////////////////////////////////////////// // // c-simple-emu-cbm (C Portable Version) // C64/6502 Emulator for Terminal Console // // MIT License // // Copyright(c) 2020 by David R. Van Wagner // davevw.com // // Permission is hereby granted, free of charge, to any person obtaining a copy // of this software and associated documentation files (the "Software"), to deal // in the Software without restriction, including without limitation the rights // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell // copies of the Software, and to permit persons to whom the Software is // furnished to do so, subject to the following conditions: // // The above copyright notice and this permission notice shall be included in all // copies or substantial portions of the Software. // // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.IN NO EVENT SHALL THE // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE // SOFTWARE. // //////////////////////////////////////////////////////////////////////////////// #pragma once typedef signed char sbyte; typedef unsigned char byte; //typedef unsigned char bool; typedef unsigned short ushort; #define false 0 #define true 1 extern byte A; extern byte X; extern byte Y; extern byte S; extern bool N; extern bool V; extern bool B; extern bool D; extern bool I; extern bool Z; extern bool C; extern ushort PC; extern bool trace; extern bool step; extern void ResetRun(bool (*ExecutePatch)(void)); extern void Execute(ushort addr, bool (*ExecutePatch)(void)); extern void Push(int value); extern byte Pop(void); extern void DisassembleLong(ushort addr, bool *p_conditional, byte *p_bytes, ushort *p_addr2, char *dis, int dis_size, char *line, int line_size); extern void DisassembleShort(ushort addr, bool *p_conditional, byte *p_bytes, ushort *p_addr2, char *dis, int dis_size); extern byte LO(ushort value); extern byte HI(ushort value); extern void SetMemory(ushort addr, byte value); extern byte GetMemory(ushort addr); extern bool ExecutePatch(void);