diff options
Diffstat (limited to 'source/dsp4.h')
-rw-r--r-- | source/dsp4.h | 109 |
1 files changed, 52 insertions, 57 deletions
diff --git a/source/dsp4.h b/source/dsp4.h index 760891c..53ff365 100644 --- a/source/dsp4.h +++ b/source/dsp4.h @@ -3,85 +3,80 @@ #ifndef _DSP4_H_ #define _DSP4_H_ -// debug -int32_t block; // current block number -extern int32_t c; - // op control -int8_t DSP4_Logic; // controls op flow +int8_t DSP4_Logic; // controls op flow // projection format -const int16_t PLANE_START = 0x7fff; // starting distance +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 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_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_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_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_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_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_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 +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 +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 +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_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 +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 +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 +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 - +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 |