mirror of
https://github.com/cc65/cc65.git
synced 2024-07-09 16:29:09 +00:00
38 lines
1.2 KiB
C
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
|
||
|
|
|