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Added an improved definition of the __vic2 structure using anon
structs/unions. For compatibility reasons the new definition is active only in cc65 mode. git-svn-id: svn://svn.cc65.org/cc65/trunk@5619 b7a2c559-68d2-44c3-8de9-860c34a00d81
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uz
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202
include/_vic2.h
202
include/_vic2.h
@ -1,15 +1,15 @@
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/*****************************************************************************/
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/* */
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/* _vic2.h */
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/* _vic2.h */
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/* */
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/* Internal include file, do not use directly */
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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) 1998-2000 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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/* (C) 1998-2012, Ullrich von Bassewitz */
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/* Roemerstrasse 52 */
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/* D-70794 Filderstadt */
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/* EMail: uz@cc65.org */
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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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@ -38,60 +38,150 @@
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/* Define a structure with the vic register offsets */
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/* Define a structure with the vic register offsets. In cc65 mode, there
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* are aliases for the field accessible as arrays.
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*/
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#if __CC65_STD__ == __CC65_STD_CC65__
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struct __vic2 {
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unsigned char spr0_x; /* Sprite 0, X coordinate */
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unsigned char spr0_y; /* Sprite 0, Y coordinate */
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unsigned char spr1_x; /* Sprite 1, X coordinate */
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unsigned char spr1_y; /* Sprite 1, Y coordinate */
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unsigned char spr2_x; /* Sprite 2, X coordinate */
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unsigned char spr2_y; /* Sprite 2, Y coordinate */
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unsigned char spr3_x; /* Sprite 3, X coordinate */
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unsigned char spr3_y; /* Sprite 3, Y coordinate */
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unsigned char spr4_x; /* Sprite 4, X coordinate */
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unsigned char spr4_y; /* Sprite 4, Y coordinate */
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unsigned char spr5_x; /* Sprite 5, X coordinate */
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unsigned char spr5_y; /* Sprite 5, Y coordinate */
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unsigned char spr6_x; /* Sprite 6, X coordinate */
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unsigned char spr6_y; /* Sprite 6, Y coordinate */
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unsigned char spr7_x; /* Sprite 7, X coordinate */
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unsigned char spr7_y; /* Sprite 7, Y coordinate */
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unsigned char spr_hi_x; /* High bits of X coordinate */
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unsigned char ctrl1; /* Control register 1 */
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unsigned char rasterline; /* Current raster line */
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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 spr_ena; /* Enable sprites */
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unsigned char ctrl2; /* Control register 2 */
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unsigned char spr_exp_y; /* Expand sprites in Y dir */
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unsigned char addr; /* Address of chargen and video ram */
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unsigned char irr; /* Interrupt request register */
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unsigned char imr; /* Interrupt mask register */
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unsigned char spr_bg_prio; /* Priority to background */
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unsigned char spr_mcolor; /* Sprite multicolor bits */
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unsigned char spr_exp_x; /* Expand sprites in X dir */
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unsigned char spr_coll; /* Sprite/sprite collision reg */
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unsigned char spr_bg_coll; /* Sprite/background collision reg */
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unsigned char bordercolor; /* Border color */
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unsigned char bgcolor0; /* Background color 0 */
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unsigned char bgcolor1; /* Background color 1 */
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unsigned char bgcolor2; /* Background color 2 */
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unsigned char bgcolor3; /* Background color 3 */
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unsigned char spr_mcolor0; /* Color 0 for multicolor sprites */
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unsigned char spr_mcolor1; /* Color 1 for multicolor sprites */
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unsigned char spr0_color; /* Color sprite 0 */
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unsigned char spr1_color; /* Color sprite 1 */
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unsigned char spr2_color; /* Color sprite 2 */
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unsigned char spr3_color; /* Color sprite 3 */
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unsigned char spr4_color; /* Color sprite 4 */
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unsigned char spr5_color; /* Color sprite 5 */
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unsigned char spr6_color; /* Color sprite 6 */
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unsigned char spr7_color; /* Color sprite 7 */
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union {
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struct {
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unsigned char spr0_x; /* Sprite 0, X coordinate */
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unsigned char spr0_y; /* Sprite 0, Y coordinate */
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unsigned char spr1_x; /* Sprite 1, X coordinate */
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unsigned char spr1_y; /* Sprite 1, Y coordinate */
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unsigned char spr2_x; /* Sprite 2, X coordinate */
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unsigned char spr2_y; /* Sprite 2, Y coordinate */
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unsigned char spr3_x; /* Sprite 3, X coordinate */
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unsigned char spr3_y; /* Sprite 3, Y coordinate */
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unsigned char spr4_x; /* Sprite 4, X coordinate */
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unsigned char spr4_y; /* Sprite 4, Y coordinate */
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unsigned char spr5_x; /* Sprite 5, X coordinate */
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unsigned char spr5_y; /* Sprite 5, Y coordinate */
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unsigned char spr6_x; /* Sprite 6, X coordinate */
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unsigned char spr6_y; /* Sprite 6, Y coordinate */
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unsigned char spr7_x; /* Sprite 7, X coordinate */
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unsigned char spr7_y; /* Sprite 7, Y coordinate */
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};
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struct {
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unsigned char x; /* X coordinate */
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unsigned char y; /* Y coordinate */
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} spr_pos[8];
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};
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unsigned char spr_hi_x; /* High bits of X coordinate */
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unsigned char ctrl1; /* Control register 1 */
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unsigned char rasterline; /* Current raster line */
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union {
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struct {
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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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};
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struct {
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unsigned char x; /* Light pen, X position */
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unsigned char y; /* Light pen, Y position */
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} strobe;
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};
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unsigned char spr_ena; /* Enable sprites */
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unsigned char ctrl2; /* Control register 2 */
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unsigned char spr_exp_y; /* Expand sprites in Y dir */
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unsigned char addr; /* Address of chargen and video ram */
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unsigned char irr; /* Interrupt request register */
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unsigned char imr; /* Interrupt mask register */
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unsigned char spr_bg_prio; /* Priority to background */
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unsigned char spr_mcolor; /* Sprite multicolor bits */
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unsigned char spr_exp_x; /* Expand sprites in X dir */
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unsigned char spr_coll; /* Sprite/sprite collision reg */
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unsigned char spr_bg_coll; /* Sprite/background collision reg */
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unsigned char bordercolor; /* Border color */
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union {
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struct {
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unsigned char bgcolor0; /* Background color 0 */
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unsigned char bgcolor1; /* Background color 1 */
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unsigned char bgcolor2; /* Background color 2 */
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unsigned char bgcolor3; /* Background color 3 */
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};
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unsigned char bgcolor[4]; /* Background colors */
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};
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union {
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struct {
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unsigned char spr_mcolor0; /* Color 0 for multicolor sprites */
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unsigned char spr_mcolor1; /* Color 1 for multicolor sprites */
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};
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/* spr_color is already used ... */
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unsigned char spr_mcolors[2]; /* Color for multicolor sprites */
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};
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union {
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struct {
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unsigned char spr0_color; /* Color sprite 0 */
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unsigned char spr1_color; /* Color sprite 1 */
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unsigned char spr2_color; /* Color sprite 2 */
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unsigned char spr3_color; /* Color sprite 3 */
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unsigned char spr4_color; /* Color sprite 4 */
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unsigned char spr5_color; /* Color sprite 5 */
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unsigned char spr6_color; /* Color sprite 6 */
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unsigned char spr7_color; /* Color sprite 7 */
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};
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unsigned char spr_color[8]; /* Colors for the sprites */
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};
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/* The following ones are only valid in the C128: */
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unsigned char x_kbd; /* Additional keyboard lines */
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unsigned char clock; /* Clock switch bit */
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unsigned char x_kbd; /* Additional keyboard lines */
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unsigned char clock; /* Clock switch bit */
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};
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#else
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struct __vic2 {
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unsigned char spr0_x; /* Sprite 0, X coordinate */
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unsigned char spr0_y; /* Sprite 0, Y coordinate */
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unsigned char spr1_x; /* Sprite 1, X coordinate */
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unsigned char spr1_y; /* Sprite 1, Y coordinate */
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unsigned char spr2_x; /* Sprite 2, X coordinate */
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unsigned char spr2_y; /* Sprite 2, Y coordinate */
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unsigned char spr3_x; /* Sprite 3, X coordinate */
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unsigned char spr3_y; /* Sprite 3, Y coordinate */
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unsigned char spr4_x; /* Sprite 4, X coordinate */
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unsigned char spr4_y; /* Sprite 4, Y coordinate */
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unsigned char spr5_x; /* Sprite 5, X coordinate */
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unsigned char spr5_y; /* Sprite 5, Y coordinate */
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unsigned char spr6_x; /* Sprite 6, X coordinate */
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unsigned char spr6_y; /* Sprite 6, Y coordinate */
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unsigned char spr7_x; /* Sprite 7, X coordinate */
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unsigned char spr7_y; /* Sprite 7, Y coordinate */
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unsigned char spr_hi_x; /* High bits of X coordinate */
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unsigned char ctrl1; /* Control register 1 */
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unsigned char rasterline; /* Current raster line */
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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 spr_ena; /* Enable sprites */
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unsigned char ctrl2; /* Control register 2 */
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unsigned char spr_exp_y; /* Expand sprites in Y dir */
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unsigned char addr; /* Address of chargen and video ram */
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unsigned char irr; /* Interrupt request register */
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unsigned char imr; /* Interrupt mask register */
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unsigned char spr_bg_prio; /* Priority to background */
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unsigned char spr_mcolor; /* Sprite multicolor bits */
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unsigned char spr_exp_x; /* Expand sprites in X dir */
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unsigned char spr_coll; /* Sprite/sprite collision reg */
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unsigned char spr_bg_coll; /* Sprite/background collision reg */
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unsigned char bordercolor; /* Border color */
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unsigned char bgcolor0; /* Background color 0 */
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unsigned char bgcolor1; /* Background color 1 */
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unsigned char bgcolor2; /* Background color 2 */
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unsigned char bgcolor3; /* Background color 3 */
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unsigned char spr_mcolor0; /* Color 0 for multicolor sprites */
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unsigned char spr_mcolor1; /* Color 1 for multicolor sprites */
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unsigned char spr0_color; /* Color sprite 0 */
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unsigned char spr1_color; /* Color sprite 1 */
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unsigned char spr2_color; /* Color sprite 2 */
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unsigned char spr3_color; /* Color sprite 3 */
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unsigned char spr4_color; /* Color sprite 4 */
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unsigned char spr5_color; /* Color sprite 5 */
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unsigned char spr6_color; /* Color sprite 6 */
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unsigned char spr7_color; /* Color sprite 7 */
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/* The following ones are only valid in the C128: */
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unsigned char x_kbd; /* Additional keyboard lines */
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unsigned char clock; /* Clock switch bit */
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};
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#endif
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