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