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comparison vdp.h @ 1931:374a5ae694e8 mame_interp

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Merge from default
author Michael Pavone <pavone@retrodev.com>
date Sat, 18 Apr 2020 11:42:53 -0700
parents 039553703c20
children c3c62dbf1ceb
comparison
equal deleted inserted replaced
1843:13abdc98379e 1931:374a5ae694e8
14 #define VDP_REGS 24 14 #define VDP_REGS 24
15 #define CRAM_SIZE 64 15 #define CRAM_SIZE 64
16 #define SHADOW_OFFSET CRAM_SIZE 16 #define SHADOW_OFFSET CRAM_SIZE
17 #define HIGHLIGHT_OFFSET (SHADOW_OFFSET+CRAM_SIZE) 17 #define HIGHLIGHT_OFFSET (SHADOW_OFFSET+CRAM_SIZE)
18 #define MODE4_OFFSET (HIGHLIGHT_OFFSET+CRAM_SIZE) 18 #define MODE4_OFFSET (HIGHLIGHT_OFFSET+CRAM_SIZE)
19 #define VSRAM_SIZE 40 19 #define MIN_VSRAM_SIZE 40
20 #define MAX_VSRAM_SIZE 64
20 #define VRAM_SIZE (64*1024) 21 #define VRAM_SIZE (64*1024)
21 #define BORDER_LEFT 13 22 #define BORDER_LEFT 13
22 #define BORDER_RIGHT 14 23 #define BORDER_RIGHT 14
23 #define HORIZ_BORDER (BORDER_LEFT+BORDER_RIGHT) 24 #define HORIZ_BORDER (BORDER_LEFT+BORDER_RIGHT)
24 #define LINEBUF_SIZE (320+HORIZ_BORDER) //H40 + full border 25 #define LINEBUF_SIZE (320+HORIZ_BORDER) //H40 + full border
25 #define SCROLL_BUFFER_SIZE 32 26 #define SCROLL_BUFFER_SIZE 32
26 #define BORDER_BOTTOM 13 //TODO: Replace with actual value 27 #define BORDER_BOTTOM 13 //TODO: Replace with actual value
27 #define MAX_DRAWS 40
28 #define MAX_DRAWS_H32 32
29 #define MAX_DRAWS_H32_MODE4 8 28 #define MAX_DRAWS_H32_MODE4 8
30 #define MAX_SPRITES_LINE 20 29 #define MAX_SPRITES_LINE 20
31 #define MAX_SPRITES_LINE_H32 16 30 #define MAX_SPRITES_LINE_H32 16
32 #define MAX_SPRITES_FRAME 80 31 #define MAX_SPRITES_FRAME 80
33 #define MAX_SPRITES_FRAME_H32 64 32 #define MAX_SPRITES_FRAME_H32 64
131 typedef struct { 130 typedef struct {
132 uint16_t address; 131 uint16_t address;
133 int16_t x_pos; 132 int16_t x_pos;
134 uint8_t pal_priority; 133 uint8_t pal_priority;
135 uint8_t h_flip; 134 uint8_t h_flip;
135 uint8_t width;
136 uint8_t height;
136 } sprite_draw; 137 } sprite_draw;
137 138
138 typedef struct { 139 typedef struct {
139 uint8_t size; 140 uint8_t size;
140 uint8_t index; 141 uint8_t index;
171 uint32_t debug_fb_pitch[VDP_NUM_DEBUG_TYPES]; 172 uint32_t debug_fb_pitch[VDP_NUM_DEBUG_TYPES];
172 fifo_entry fifo[FIFO_SIZE]; 173 fifo_entry fifo[FIFO_SIZE];
173 int32_t fifo_write; 174 int32_t fifo_write;
174 int32_t fifo_read; 175 int32_t fifo_read;
175 uint32_t address; 176 uint32_t address;
177 uint32_t address_latch;
176 uint32_t serial_address; 178 uint32_t serial_address;
177 uint32_t colors[CRAM_SIZE*4]; 179 uint32_t colors[CRAM_SIZE*4];
178 uint32_t debugcolors[1 << (3 + 1 + 1 + 1)];//3 bits for source, 1 bit for priority, 1 bit for shadow, 1 bit for hilight 180 uint32_t debugcolors[1 << (3 + 1 + 1 + 1)];//3 bits for source, 1 bit for priority, 1 bit for shadow, 1 bit for hilight
179 uint16_t cram[CRAM_SIZE]; 181 uint16_t cram[CRAM_SIZE];
180 uint32_t frame; 182 uint32_t frame;
183 uint32_t vsram_size;
181 uint8_t cd; 184 uint8_t cd;
185 uint8_t cd_latch;
182 uint8_t flags; 186 uint8_t flags;
183 uint8_t regs[VDP_REGS]; 187 uint8_t regs[VDP_REGS];
184 //cycle count in MCLKs 188 //cycle count in MCLKs
185 uint32_t cycles; 189 uint32_t cycles;
186 uint32_t pending_vint_start; 190 uint32_t pending_vint_start;
187 uint32_t pending_hint_start; 191 uint32_t pending_hint_start;
188 uint16_t vsram[VSRAM_SIZE]; 192 uint32_t top_offset;
193 uint16_t vsram[MAX_VSRAM_SIZE];
189 uint16_t vscroll_latch[2]; 194 uint16_t vscroll_latch[2];
190 uint16_t vcounter; 195 uint16_t vcounter;
191 uint16_t inactive_start; 196 uint16_t inactive_start;
192 uint16_t border_top; 197 uint16_t border_top;
193 uint16_t border_bot; 198 uint16_t border_bot;
194 uint16_t hscroll_a; 199 uint16_t hscroll_a;
200 uint16_t hscroll_a_fine;
195 uint16_t hscroll_b; 201 uint16_t hscroll_b;
202 uint16_t hscroll_b_fine;
196 uint16_t h40_lines; 203 uint16_t h40_lines;
197 uint16_t output_lines; 204 uint16_t output_lines;
198 sprite_draw sprite_draw_list[MAX_DRAWS]; 205 sprite_draw sprite_draw_list[MAX_SPRITES_LINE];
199 sprite_info sprite_info_list[MAX_SPRITES_LINE]; 206 sprite_info sprite_info_list[MAX_SPRITES_LINE];
200 uint8_t sat_cache[SAT_CACHE_SIZE]; 207 uint8_t sat_cache[SAT_CACHE_SIZE];
201 uint16_t col_1; 208 uint16_t col_1;
202 uint16_t col_2; 209 uint16_t col_2;
203 uint16_t hv_latch; 210 uint16_t hv_latch;
210 uint8_t hslot; //hcounter/2 217 uint8_t hslot; //hcounter/2
211 uint8_t sprite_index; 218 uint8_t sprite_index;
212 uint8_t sprite_draws; 219 uint8_t sprite_draws;
213 int8_t slot_counter; 220 int8_t slot_counter;
214 int8_t cur_slot; 221 int8_t cur_slot;
222 uint8_t sprite_x_offset;
215 uint8_t max_sprites_frame; 223 uint8_t max_sprites_frame;
216 uint8_t max_sprites_line; 224 uint8_t max_sprites_line;
217 uint8_t fetch_tmp[2]; 225 uint8_t fetch_tmp[2];
218 uint8_t v_offset; 226 uint8_t v_offset;
219 uint8_t hint_counter; 227 uint8_t hint_counter;
227 uint8_t tmp_buf_a[SCROLL_BUFFER_SIZE]; 235 uint8_t tmp_buf_a[SCROLL_BUFFER_SIZE];
228 uint8_t tmp_buf_b[SCROLL_BUFFER_SIZE]; 236 uint8_t tmp_buf_b[SCROLL_BUFFER_SIZE];
229 uint8_t enabled_debuggers; 237 uint8_t enabled_debuggers;
230 uint8_t debug_fb_indices[VDP_NUM_DEBUG_TYPES]; 238 uint8_t debug_fb_indices[VDP_NUM_DEBUG_TYPES];
231 uint8_t debug_modes[VDP_NUM_DEBUG_TYPES]; 239 uint8_t debug_modes[VDP_NUM_DEBUG_TYPES];
240 uint8_t pushed_frame;
232 uint8_t vdpmem[]; 241 uint8_t vdpmem[];
233 } vdp_context; 242 } vdp_context;
234 243
235 244
236 245
237 vdp_context *init_vdp_context(uint8_t region_pal); 246 vdp_context *init_vdp_context(uint8_t region_pal, uint8_t has_max_vsram);
238 void vdp_free(vdp_context *context); 247 void vdp_free(vdp_context *context);
239 void vdp_run_context_full(vdp_context * context, uint32_t target_cycles); 248 void vdp_run_context_full(vdp_context * context, uint32_t target_cycles);
240 void vdp_run_context(vdp_context * context, uint32_t target_cycles); 249 void vdp_run_context(vdp_context * context, uint32_t target_cycles);
241 //runs from current cycle count to VBLANK for the current mode, returns ending cycle count 250 //runs from current cycle count to VBLANK for the current mode, returns ending cycle count
242 uint32_t vdp_run_to_vblank(vdp_context * context); 251 uint32_t vdp_run_to_vblank(vdp_context * context);
252 uint16_t vdp_control_port_read(vdp_context * context); 261 uint16_t vdp_control_port_read(vdp_context * context);
253 uint16_t vdp_data_port_read(vdp_context * context); 262 uint16_t vdp_data_port_read(vdp_context * context);
254 uint8_t vdp_data_port_read_pbc(vdp_context * context); 263 uint8_t vdp_data_port_read_pbc(vdp_context * context);
255 void vdp_latch_hv(vdp_context *context); 264 void vdp_latch_hv(vdp_context *context);
256 uint16_t vdp_hv_counter_read(vdp_context * context); 265 uint16_t vdp_hv_counter_read(vdp_context * context);
257 uint16_t vdp_test_port_read(vdp_context * context);
258 void vdp_adjust_cycles(vdp_context * context, uint32_t deduction); 266 void vdp_adjust_cycles(vdp_context * context, uint32_t deduction);
259 uint32_t vdp_next_hint(vdp_context * context); 267 uint32_t vdp_next_hint(vdp_context * context);
260 uint32_t vdp_next_vint(vdp_context * context); 268 uint32_t vdp_next_vint(vdp_context * context);
261 uint32_t vdp_next_vint_z80(vdp_context * context); 269 uint32_t vdp_next_vint_z80(vdp_context * context);
262 uint32_t vdp_next_nmi(vdp_context *context); 270 uint32_t vdp_next_nmi(vdp_context *context);