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which included commits to RCS files with non-trunk default branches. git-svn-id: svn://svn.cc65.org/cc65/trunk@3 b7a2c559-68d2-44c3-8de9-860c34a00d81
56 lines
2.0 KiB
C
56 lines
2.0 KiB
C
/*
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* _pokey.h
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*
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* Freddy Offenga, 4/9/2000
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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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#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
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