diff options
Diffstat (limited to 'source/dsp4.h')
| -rw-r--r-- | source/dsp4.h | 152 |
1 files changed, 76 insertions, 76 deletions
diff --git a/source/dsp4.h b/source/dsp4.h index 53ff365..65cd3a2 100644 --- a/source/dsp4.h +++ b/source/dsp4.h @@ -3,80 +3,80 @@ #ifndef _DSP4_H_ #define _DSP4_H_ -// op control -int8_t DSP4_Logic; // controls op flow - -// projection format -const int16_t PLANE_START = 0x7fff; // starting distance - -int16_t view_plane; // viewer location -int16_t far_plane; // next milestone into screen -int16_t segments; // # raster segments to draw -int16_t raster; // current raster line - -int16_t project_x; // current x-position -int16_t project_y; // current y-position - -int16_t project_centerx; // x-target of projection -int16_t project_centery; // y-target of projection - -int16_t project_x1; // current x-distance -int16_t project_x1low; // lower 16-bits -int16_t project_y1; // current y-distance -int16_t project_y1low; // lower 16-bits - -int16_t project_x2; // next projected x-distance -int16_t project_y2; // next projected y-distance - -int16_t project_pitchx; // delta center -int16_t project_pitchxlow; // lower 16-bits -int16_t project_pitchy; // delta center -int16_t project_pitchylow; // lower 16-bits - -int16_t project_focalx; // x-point of projection at viewer plane -int16_t project_focaly; // y-point of projection at viewer plane - -int16_t project_ptr; // data structure pointer - -// render window -int16_t center_x; // x-center of viewport -int16_t center_y; // y-center of viewport -int16_t viewport_left; // x-left of viewport -int16_t viewport_right; // x-right of viewport -int16_t viewport_top; // y-top of viewport -int16_t viewport_bottom; // y-bottom of viewport - -// sprite structure -int16_t sprite_x; // projected x-pos of sprite -int16_t sprite_y; // projected y-pos of sprite -int16_t sprite_offset; // data pointer offset -int8_t sprite_type; // vehicle, terrain -bool sprite_size; // sprite size: 8x8 or 16x16 - -// path strips -int16_t path_clipRight[4]; // value to clip to for x>b -int16_t path_clipLeft[4]; // value to clip to for x<a -int16_t path_pos[4]; // x-positions of lanes -int16_t path_ptr[4]; // data structure pointers -int16_t path_raster[4]; // current raster -int16_t path_top[4]; // viewport_top - -int16_t path_y[2]; // current y-position -int16_t path_x[2]; // current focals -int16_t path_plane[2]; // previous plane - -// op09 window sorting -int16_t multi_index1; // index counter -int16_t multi_index2; // index counter -bool op09_mode; // window mode - -// multi-op storage -int16_t multi_focaly[64]; // focal_y values -int16_t multi_farplane[4]; // farthest drawn distance -int16_t multi_raster[4]; // line where track stops - -// OAM -int8_t op06_OAM[32]; // OAM (size,MSB) data -int8_t op06_index; // index into OAM table -int8_t op06_offset; // offset into OAM table +/* op control */ +int8_t DSP4_Logic; /* controls op flow */ + +/* projection format */ +const int16_t PLANE_START = 0x7fff; /* starting distance */ + +int16_t view_plane; /* viewer location */ +int16_t far_plane; /* next milestone into screen */ +int16_t segments; /* # raster segments to draw */ +int16_t raster; /* current raster line */ + +int16_t project_x; /* current x-position */ +int16_t project_y; /* current y-position */ + +int16_t project_centerx; /* x-target of projection */ +int16_t project_centery; /* y-target of projection */ + +int16_t project_x1; /* current x-distance */ +int16_t project_x1low; /* lower 16-bits */ +int16_t project_y1; /* current y-distance */ +int16_t project_y1low; /* lower 16-bits */ + +int16_t project_x2; /* next projected x-distance */ +int16_t project_y2; /* next projected y-distance */ + +int16_t project_pitchx; /* delta center */ +int16_t project_pitchxlow; /* lower 16-bits */ +int16_t project_pitchy; /* delta center */ +int16_t project_pitchylow; /* lower 16-bits */ + +int16_t project_focalx; /* x-point of projection at viewer plane */ +int16_t project_focaly; /* y-point of projection at viewer plane */ + +int16_t project_ptr; /* data structure pointer */ + +/* render window */ +int16_t center_x; /* x-center of viewport */ +int16_t center_y; /* y-center of viewport */ +int16_t viewport_left; /* x-left of viewport */ +int16_t viewport_right; /* x-right of viewport */ +int16_t viewport_top; /* y-top of viewport */ +int16_t viewport_bottom; /* y-bottom of viewport */ + +/* sprite structure */ +int16_t sprite_x; /* projected x-pos of sprite */ +int16_t sprite_y; /* projected y-pos of sprite */ +int16_t sprite_offset; /* data pointer offset */ +int8_t sprite_type; /* vehicle, terrain */ +bool sprite_size; /* sprite size: 8x8 or 16x16 */ + +/* path strips */ +int16_t path_clipRight[4]; /* value to clip to for x>b */ +int16_t path_clipLeft[4]; /* value to clip to for x<a */ +int16_t path_pos[4]; /* x-positions of lanes */ +int16_t path_ptr[4]; /* data structure pointers */ +int16_t path_raster[4]; /* current raster */ +int16_t path_top[4]; /* viewport_top */ + +int16_t path_y[2]; /* current y-position */ +int16_t path_x[2]; /* current focals */ +int16_t path_plane[2]; /* previous plane */ + +/* op09 window sorting */ +int16_t multi_index1; /* index counter */ +int16_t multi_index2; /* index counter */ +bool op09_mode; /* window mode */ + +/* multi-op storage */ +int16_t multi_focaly[64]; /* focal_y values */ +int16_t multi_farplane[4]; /* farthest drawn distance */ +int16_t multi_raster[4]; /* line where track stops */ + +/* OAM */ +int8_t op06_OAM[32]; /* OAM (size,MSB) data */ +int8_t op06_index; /* index into OAM table */ +int8_t op06_offset; /* offset into OAM table */ #endif |