/****************************************************************************/ /* Beebem - (c) David Alan Gilbert 1994 */ /* ------------------------------------ */ /* This program may be distributed freely within the following restrictions:*/ /* */ /* 1) You may not charge for this program or for any part of it. */ /* 2) This copyright message must be distributed with all copies. */ /* 3) This program must be distributed complete with source code. Binary */ /* only distribution is not permitted. */ /* 4) The author offers no warrenties, or guarentees etc. - you use it at */ /* your own risk. If it messes something up or destroys your computer */ /* thats YOUR problem. */ /* 5) You may use small sections of code from this program in your own */ /* applications - but you must acknowledge its use. If you plan to use */ /* large sections then please ask the author. */ /* */ /* If you do not agree with any of the above then please do not use this */ /* program. */ /* Please report any problems to the author at gilbertd@cs.man.ac.uk */ /****************************************************************************/ /* 6502Core - header - David Alan Gilbert 16/10/94 */ #ifndef CORE6502_HEADER #define CORE6502_HEADER #include "port.h" void DumpRegs(void); typedef enum { sysVia, userVia, } IRQ_Nums; typedef enum { nmi_floppy, nmi_econet, } NMI_Nums; extern unsigned char intStatus; extern unsigned char NMIStatus; extern unsigned int Cycles; extern CycleCountT TotalCycles; #define SetTrigger(after,var) var=TotalCycles+after; #define IncTrigger(after,var) var+=(after); #define ClearTrigger(var) var=CycleCountTMax; /*-------------------------------------------------------------------------*/ /* Initialise 6502core */ void Init6502core(void); /*-------------------------------------------------------------------------*/ /* Execute one 6502 instruction, move program counter on */ void Exec6502Instruction(void); void core_dumpstate(void); #endif