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cc65/include/_antic.h

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/*****************************************************************************/
/* */
/* _antic.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 __ANTIC_H
#define __ANTIC_H
/* Define a structure with the antic register offsets */
struct __antic {
unsigned char dmactl; /* direct memory access control */
unsigned char chactl; /* character mode control */
unsigned char dlistl; /* display list pointer low-byte */
unsigned char dlisth; /* display list pointer high-byte */
unsigned char hscrol; /* horizontal scroll enable */
unsigned char vscrol; /* vertical scroll enable */
unsigned char unuse0; /* unused */
unsigned char pmbase; /* msb of p/m base address */
unsigned char unuse1; /* unused */
unsigned char chbase; /* character base address */
unsigned char wsync; /* wait for horizontal synchronization */
unsigned char vcount; /* vertical line counter */
unsigned char penh; /* light pen horizontal position */
unsigned char penv; /* light pen vertical position */
unsigned char nmien; /* non-maskable interrupt enable */
unsigned char nmires; /* nmi reset/status */
};
/* End of _antic.h */
#endif /* #ifndef __ANTIC_H */