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https://github.com/cc65/cc65.git
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79 lines
4.1 KiB
C
79 lines
4.1 KiB
C
/*****************************************************************************/
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/* */
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/* _pokey.h */
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/* */
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/* Internal include file, do not use directly */
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/* */
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/* */
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/* */
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/* (C) 2000 Freddy Offenga <taf_offenga@yahoo.com> */
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/* */
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/* */
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/* This software is provided 'as-is', without any expressed or implied */
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/* warranty. In no event will the authors be held liable for any damages */
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/* arising from the use of this software. */
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/* */
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/* Permission is granted to anyone to use this software for any purpose, */
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/* including commercial applications, and to alter it and redistribute it */
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/* freely, subject to the following restrictions: */
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/* */
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/* 1. The origin of this software must not be misrepresented; you must not */
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/* claim that you wrote the original software. If you use this software */
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/* in a product, an acknowledgment in the product documentation would be */
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/* appreciated but is not required. */
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/* 2. Altered source versions must be plainly marked as such, and must not */
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/* be misrepresented as being the original software. */
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/* 3. This notice may not be removed or altered from any source */
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/* distribution. */
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/* */
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/*****************************************************************************/
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#ifndef __POKEY_H
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#define __POKEY_H
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/* Define a structure with the pokey register offsets */
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struct __pokey_write {
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unsigned char audf1; /* audio channel #1 frequency */
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unsigned char audc1; /* audio channel #1 control */
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unsigned char audf2; /* audio channel #2 frequency */
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unsigned char audc2; /* audio channel #2 control */
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unsigned char audf3; /* audio channel #3 frequency */
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unsigned char audc3; /* audio channel #3 control */
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unsigned char audf4; /* audio channel #4 frequency */
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unsigned char audc4; /* audio channel #4 control */
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unsigned char audctl; /* audio control */
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unsigned char stimer; /* start pokey timers */
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unsigned char skrest; /* reset serial port status reg. */
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unsigned char potgo; /* start paddle scan sequence */
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unsigned char unuse1; /* unused */
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unsigned char serout; /* serial port data output */
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unsigned char irqen; /* interrupt request enable */
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unsigned char skctl; /* serial port control */
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};
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struct __pokey_read {
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unsigned char pot0; /* paddle 0 value */
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unsigned char pot1; /* paddle 1 value */
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unsigned char pot2; /* paddle 2 value */
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unsigned char pot3; /* paddle 3 value */
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unsigned char pot4; /* paddle 4 value */
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unsigned char pot5; /* paddle 5 value */
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unsigned char pot6; /* paddle 6 value */
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unsigned char pot7; /* paddle 7 value */
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unsigned char allpot; /* eight paddle port status */
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unsigned char kbcode; /* keyboard code */
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unsigned char random; /* random number generator */
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unsigned char unuse2; /* unused */
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unsigned char unuse3; /* unused */
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unsigned char serin; /* serial port input */
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unsigned char irqst; /* interrupt request status */
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unsigned char skstat; /* serial port status */
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};
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/* End of _pokey.h */
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#endif /* #ifndef __POKEY_H */
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