mirror of
https://github.com/cc65/cc65.git
synced 2024-11-04 17:04:58 +00:00
99 lines
5.7 KiB
C
99 lines
5.7 KiB
C
/*****************************************************************************/
|
|
/* */
|
|
/* _antic.h */
|
|
/* */
|
|
/* Internal include file, do not use directly */
|
|
/* */
|
|
/* */
|
|
/* */
|
|
/* (C) 2000 Freddy Offenga <taf_offenga@yahoo.com> */
|
|
/* 24-Jan-2011: Christian Krueger: Added defines for Antic instruction set */
|
|
/* */
|
|
/* */
|
|
/* 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 */
|
|
};
|
|
|
|
|
|
/* antic instruction set */
|
|
|
|
/* absolute instructions (non mode lines) */
|
|
#define DL_JMP (unsigned char) 1
|
|
#define DL_JVB (unsigned char) 65
|
|
|
|
#define DL_BLK1 (unsigned char) 0
|
|
#define DL_BLK2 (unsigned char) 16
|
|
#define DL_BLK3 (unsigned char) 32
|
|
#define DL_BLK4 (unsigned char) 48
|
|
#define DL_BLK5 (unsigned char) 64
|
|
#define DL_BLK6 (unsigned char) 80
|
|
#define DL_BLK7 (unsigned char) 96
|
|
#define DL_BLK8 (unsigned char) 112
|
|
|
|
/* absolute instructions (mode lines) */
|
|
#define DL_CHR40x8x1 (unsigned char) 2 /* monochrome, 40 character & 8 scanlines per mode line (GR. 0) */
|
|
#define DL_CHR40x10x1 (unsigned char) 3 /* monochrome, 40 character & 10 scanlines per mode line */
|
|
#define DL_CHR40x8x4 (unsigned char) 4 /* colour, 40 character & 8 scanlines per mode line (GR. 12) */
|
|
#define DL_CHR40x16x4 (unsigned char) 5 /* colour, 40 character & 16 scanlines per mode line (GR. 13) */
|
|
#define DL_CHR20x8x2 (unsigned char) 6 /* colour (duochrome per character), 20 character & 8 scanlines per mode line (GR. 1) */
|
|
#define DL_CHR20x16x2 (unsigned char) 7 /* colour (duochrome per character), 20 character & 16 scanlines per mode line (GR. 2) */
|
|
|
|
#define DL_MAP40x8x4 (unsigned char) 8 /* colour, 40 pixel & 8 scanlines per mode line (GR. 3) */
|
|
#define DL_MAP80x4x2 (unsigned char) 9 /* 'duochrome', 80 pixel & 4 scanlines per mode line (GR.4) */
|
|
#define DL_MAP80x4x4 (unsigned char) 10 /* colour, 80 pixel & 4 scanlines per mode line (GR.5) */
|
|
#define DL_MAP160x2x2 (unsigned char) 11 /* 'duochrome', 160 pixel & 2 scanlines per mode line (GR.6) */
|
|
#define DL_MAP160x1x2 (unsigned char) 12 /* 'duochrome', 160 pixel & 1 scanline per mode line (GR.14) */
|
|
#define DL_MAP160x2x4 (unsigned char) 13 /* 4 colours, 160 pixel & 2 scanlines per mode line (GR.7) */
|
|
#define DL_MAP160x1x4 (unsigned char) 14 /* 4 colours, 160 pixel & 1 scanline per mode line (GR.15) */
|
|
#define DL_MAP320x1x1 (unsigned char) 15 /* monochrome, 320 pixel & 1 scanline per mode line (GR.8) */
|
|
|
|
/* modifiers on mode lines */
|
|
#define DL_HSCROL(x) (unsigned char)((x) | 16)
|
|
#define DL_VSCROL(x) (unsigned char)((x) | 32)
|
|
#define DL_LMS(x) (unsigned char)((x) | 64)
|
|
|
|
/* general modifier */
|
|
#define DL_DLI(x) (unsigned char)((x) | 128)
|
|
|
|
/* End of _antic.h */
|
|
#endif /* #ifndef __ANTIC_H */
|