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786b3a7fe8
Added a new file _vic.h for the VIC (1) used in the VIC20. Added the VIC chip to vic20.h. git-svn-id: svn://svn.cc65.org/cc65/trunk@1492 b7a2c559-68d2-44c3-8de9-860c34a00d81
68 lines
3.5 KiB
C
68 lines
3.5 KiB
C
/*****************************************************************************/
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/* */
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/* _vic.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) 2002 Ullrich von Bassewitz */
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/* Wacholderweg 14 */
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/* D-70597 Stuttgart */
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/* EMail: uz@musoftware.de */
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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 __VIC_H
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#define __VIC_H
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/* Define a structure with the vic register offsets */
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struct __vic {
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unsigned char leftborder;
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unsigned char upperborder;
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unsigned char charsperline; /* Characters per line */
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unsigned char linecount; /* Number of lines */
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unsigned char rasterline; /* Current raster line */
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unsigned char addr; /* Address of chargen and video ram */
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unsigned char strobe_x; /* Light pen, X position */
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unsigned char strobe_y; /* Light pen, Y position */
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unsigned char analog_x; /* Analog input X */
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unsigned char analog_y; /* Analog input Y */
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unsigned char voice1; /* Sound generator #1 */
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unsigned char voice2; /* Sound generator #2 */
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unsigned char voice3; /* Sound generator #3 */
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unsigned char noise; /* Noise generator */
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unsigned char volume_color; /* Bits 0..3: volume, 4..7: color */
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unsigned char bg_border_color;/* Background and border color */
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};
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/* End of _vic.h */
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#endif
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