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comparison vdp.h @ 998:bf63cbf1d7bb

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Implement SAT cache. Causes some graphical corruption in Overdrive due to an unrelated bug.
author Michael Pavone <pavone@retrodev.com>
date Sat, 30 Apr 2016 15:31:48 -0700
parents 928442068afe
children e34334e6c682
comparison
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997:560da2e455c2 998:bf63cbf1d7bb
19 #define MAX_DRAWS_H32 32 19 #define MAX_DRAWS_H32 32
20 #define MAX_SPRITES_LINE 20 20 #define MAX_SPRITES_LINE 20
21 #define MAX_SPRITES_LINE_H32 16 21 #define MAX_SPRITES_LINE_H32 16
22 #define MAX_SPRITES_FRAME 80 22 #define MAX_SPRITES_FRAME 80
23 #define MAX_SPRITES_FRAME_H32 64 23 #define MAX_SPRITES_FRAME_H32 64
24 #define SAT_CACHE_SIZE (MAX_SPRITES_FRAME * 4)
24 25
25 #define FBUF_SHADOW 0x0001 26 #define FBUF_SHADOW 0x0001
26 #define FBUF_HILIGHT 0x0010 27 #define FBUF_HILIGHT 0x0010
27 #define DBG_SHADOW 0x10 28 #define DBG_SHADOW 0x10
28 #define DBG_HILIGHT 0x20 29 #define DBG_HILIGHT 0x20
156 uint8_t sprite_draws; 157 uint8_t sprite_draws;
157 int8_t slot_counter; 158 int8_t slot_counter;
158 int8_t cur_slot; 159 int8_t cur_slot;
159 sprite_draw sprite_draw_list[MAX_DRAWS]; 160 sprite_draw sprite_draw_list[MAX_DRAWS];
160 sprite_info sprite_info_list[MAX_SPRITES_LINE]; 161 sprite_info sprite_info_list[MAX_SPRITES_LINE];
162 uint8_t sat_cache[SAT_CACHE_SIZE];
161 uint16_t col_1; 163 uint16_t col_1;
162 uint16_t col_2; 164 uint16_t col_2;
163 uint16_t hv_latch; 165 uint16_t hv_latch;
164 uint16_t prefetch; 166 uint16_t prefetch;
165 uint8_t v_offset; 167 uint8_t v_offset;