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cc65/include/_pokey.h

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/*****************************************************************************/
/* */
/* _pokey.h */
/* */
/* Internal include file, do not use directly */
/* */
/* */
/* */
/* (C) 2000 Freddy Offenga <taf_offenga@yahoo.com> */
/* */
/* */
/* This software is provided 'as-is', without any expressed or implied */
/* warranty. In no event will the authors be held liable for any damages */
/* arising from the use of this software. */
/* */
/* Permission is granted to anyone to use this software for any purpose, */
/* including commercial applications, and to alter it and redistribute it */
/* freely, subject to the following restrictions: */
/* */
/* 1. The origin of this software must not be misrepresented; you must not */
/* claim that you wrote the original software. If you use this software */
/* in a product, an acknowledgment in the product documentation would be */
/* appreciated but is not required. */
/* 2. Altered source versions must be plainly marked as such, and must not */
/* be misrepresented as being the original software. */
/* 3. This notice may not be removed or altered from any source */
/* distribution. */
/* */
/*****************************************************************************/
#ifndef __POKEY_H
#define __POKEY_H
/* Define a structure with the pokey register offsets */
struct __pokey_write {
unsigned char audf1; /* audio channel #1 frequency */
unsigned char audc1; /* audio channel #1 control */
unsigned char audf2; /* audio channel #2 frequency */
unsigned char audc2; /* audio channel #2 control */
unsigned char audf3; /* audio channel #3 frequency */
unsigned char audc3; /* audio channel #3 control */
unsigned char audf4; /* audio channel #4 frequency */
unsigned char audc4; /* audio channel #4 control */
unsigned char audctl; /* audio control */
unsigned char stimer; /* start pokey timers */
unsigned char skrest; /* reset serial port status reg. */
unsigned char potgo; /* start paddle scan sequence */
unsigned char unuse1; /* unused */
unsigned char serout; /* serial port data output */
unsigned char irqen; /* interrupt request enable */
unsigned char skctl; /* serial port control */
};
struct __pokey_read {
unsigned char pot0; /* paddle 0 value */
unsigned char pot1; /* paddle 1 value */
unsigned char pot2; /* paddle 2 value */
unsigned char pot3; /* paddle 3 value */
unsigned char pot4; /* paddle 4 value */
unsigned char pot5; /* paddle 5 value */
unsigned char pot6; /* paddle 6 value */
unsigned char pot7; /* paddle 7 value */
unsigned char allpot; /* eight paddle port status */
unsigned char kbcode; /* keyboard code */
unsigned char random; /* random number generator */
unsigned char unuse2; /* unused */
unsigned char unuse3; /* unused */
unsigned char serin; /* serial port input */
unsigned char irqst; /* interrupt request status */
unsigned char skstat; /* serial port status */
};
/* End of _pokey.h */
#endif /* #ifndef __POKEY_H */