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comparison vdp.h @ 1167:e758ddbf0624

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Initial work on emulating top and bottom border area
author Michael Pavone <pavone@retrodev.com>
date Sun, 15 Jan 2017 15:07:24 -0800
parents c83ec07ddbac
children 3772bb926be5
comparison
equal deleted inserted replaced
1166:73e36dac5be7 1167:e758ddbf0624
153 uint8_t *vdpmem; 153 uint8_t *vdpmem;
154 //stores 2-bit palette + 4-bit palette index + priority for current sprite line 154 //stores 2-bit palette + 4-bit palette index + priority for current sprite line
155 uint8_t *linebuf; 155 uint8_t *linebuf;
156 //pointer to current line in framebuffer 156 //pointer to current line in framebuffer
157 uint32_t *output; 157 uint32_t *output;
158 uint32_t *fb;
158 system_header *system; 159 system_header *system;
159 uint16_t cram[CRAM_SIZE]; 160 uint16_t cram[CRAM_SIZE];
160 uint32_t colors[CRAM_SIZE*4]; 161 uint32_t colors[CRAM_SIZE*4];
161 uint32_t debugcolors[1 << (3 + 1 + 1 + 1)];//3 bits for source, 1 bit for priority, 1 bit for shadow, 1 bit for hilight 162 uint32_t debugcolors[1 << (3 + 1 + 1 + 1)];//3 bits for source, 1 bit for priority, 1 bit for shadow, 1 bit for hilight
162 uint16_t vsram[VSRAM_SIZE]; 163 uint16_t vsram[VSRAM_SIZE];
163 uint16_t vscroll_latch[2]; 164 uint16_t vscroll_latch[2];
164 uint32_t output_pitch; 165 uint32_t output_pitch;
165 uint32_t frame; 166 uint32_t frame;
166 uint16_t vcounter; 167 uint16_t vcounter;
168 uint16_t inactive_start;
169 uint16_t border_top;
170 uint16_t border_bot;
167 uint16_t hscroll_a; 171 uint16_t hscroll_a;
168 uint16_t hscroll_b; 172 uint16_t hscroll_b;
173 uint16_t h40_lines;
169 uint8_t hslot; //hcounter/2 174 uint8_t hslot; //hcounter/2
170 uint8_t latched_mode; 175 uint8_t latched_mode;
171 uint8_t sprite_index; 176 uint8_t sprite_index;
172 uint8_t sprite_draws; 177 uint8_t sprite_draws;
173 uint8_t h40_lines;
174 int8_t slot_counter; 178 int8_t slot_counter;
175 int8_t cur_slot; 179 int8_t cur_slot;
176 sprite_draw sprite_draw_list[MAX_DRAWS]; 180 sprite_draw sprite_draw_list[MAX_DRAWS];
177 sprite_info sprite_info_list[MAX_SPRITES_LINE]; 181 sprite_info sprite_info_list[MAX_SPRITES_LINE];
178 uint8_t sat_cache[SAT_CACHE_SIZE]; 182 uint8_t sat_cache[SAT_CACHE_SIZE];