/****************************************************************************/ /* 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 */ /****************************************************************************/ /* Support file for 6522 via - 30/10/94 - David Alan Gilbert */ #ifndef VIA_HEADER #define VIA_HEADER typedef struct { unsigned char ora,orb; unsigned char ira,irb; unsigned char ddra,ddrb; unsigned char acr,pcr; unsigned char ifr,ier; int timer1c,timer2c; /* NOTE: Timers descrement at 2MHz and values are */ int timer1l,timer2l; /* fixed up on read/write - latches hold 1MHz values*/ int timer1hasshot; /* True if we have already caused an interrupt for one shot mode */ int timer2hasshot; /* True if we have already caused an interrupt for one shot mode */ } VIAState; void VIAReset(VIAState *ToReset); void via_dumpstate(VIAState *ToDump); #endif