Even more optimization, cleanup, bugfix, comments.

[cc65] / include / _antic.h

diff --git a/include/_antic.h b/include/_antic.h
index 110fd2a73945a0cd268ead0e9728dda0cad08cb3..23a72609c0834a6518ab4f987e58c0908aa079db 100644 (file)
--- a/include/_antic.h
+++ b/include/_antic.h
@@ -1,17 +1,38 @@
-/*
- * _antic.h
- *
- * Freddy Offenga, 4/9/2000
- *
- * Internal include file, do not use directly.
- *
- */
+/*****************************************************************************/
+/*                                                                           */
+/*                                _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 */
@@ -32,6 +53,46 @@ struct __antic {
     unsigned char   nmires; /* nmi reset/status */
 };
 
-/* End of _antic.h */
-#endif
 
+/* 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 */