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cc65/include/_antic.h
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git-svn-id: svn://svn.cc65.org/cc65/trunk@3 b7a2c559-68d2-44c3-8de9-860c34a00d81
2000-05-28 13:40:48 +00:00

38 lines
1.2 KiB
C

/*
* _antic.h
*
* Freddy Offenga, 4/9/2000
*
* Internal include file, do not use directly.
*
*/
#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