Mercurial > repos > blastem

comparison vdp.h @ 2685:da2e06c42d16

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Add a compile-time flag to use RGB565 instead of ABGR/ARGB
author Michael Pavone <pavone@retrodev.com>
date Sun, 30 Mar 2025 00:06:53 -0700
parents dbff641a33df
children 05915f01046d
comparison
equal deleted inserted replaced
2684:c649bcc18487 2685:da2e06c42d16
8 8
9 #include <stdint.h> 9 #include <stdint.h>
10 #include <stdio.h> 10 #include <stdio.h>
11 #include "system.h" 11 #include "system.h"
12 #include "serialize.h" 12 #include "serialize.h"
13 #include "pixel.h"
13 14
14 #define VDP_REGS 24 15 #define VDP_REGS 24
15 #define CRAM_SIZE 64 16 #define CRAM_SIZE 64
16 #define SHADOW_OFFSET CRAM_SIZE 17 #define SHADOW_OFFSET CRAM_SIZE
17 #define HIGHLIGHT_OFFSET (SHADOW_OFFSET+CRAM_SIZE) 18 #define HIGHLIGHT_OFFSET (SHADOW_OFFSET+CRAM_SIZE)
181 typedef void (*vdp_data_hook)(vdp_context *, uint16_t value); 182 typedef void (*vdp_data_hook)(vdp_context *, uint16_t value);
182 183
183 struct vdp_context { 184 struct vdp_context {
184 system_header *system; 185 system_header *system;
185 //pointer to current line in framebuffer 186 //pointer to current line in framebuffer
186 uint32_t *output; 187 pixel_t *output;
187 //pointer to current framebuffer 188 //pointer to current framebuffer
188 uint32_t *fb; 189 pixel_t *fb;
189 uint8_t *done_composite; 190 uint8_t *done_composite;
190 uint32_t *debug_fbs[NUM_DEBUG_TYPES]; 191 pixel_t *debug_fbs[NUM_DEBUG_TYPES];
191 char *kmod_msg_buffer; 192 char *kmod_msg_buffer;
192 vdp_hook dma_hook; 193 vdp_hook dma_hook;
193 vdp_reg_hook reg_hook; 194 vdp_reg_hook reg_hook;
194 vdp_data_hook data_hook; 195 vdp_data_hook data_hook;
195 uint32_t kmod_buffer_storage; 196 uint32_t kmod_buffer_storage;
201 int32_t fifo_write; 202 int32_t fifo_write;
202 int32_t fifo_read; 203 int32_t fifo_read;
203 uint32_t address; 204 uint32_t address;
204 uint32_t address_latch; 205 uint32_t address_latch;
205 uint32_t serial_address; 206 uint32_t serial_address;
206 uint32_t colors[CRAM_SIZE*4]; 207 pixel_t colors[CRAM_SIZE*4];
207 uint32_t debugcolors[1 << (3 + 1 + 1 + 1)];//3 bits for source, 1 bit for priority, 1 bit for shadow, 1 bit for hilight 208 pixel_t debugcolors[1 << (3 + 1 + 1 + 1)];//3 bits for source, 1 bit for priority, 1 bit for shadow, 1 bit for hilight
208 uint16_t cram[CRAM_SIZE]; 209 uint16_t cram[CRAM_SIZE];
209 uint32_t frame; 210 uint32_t frame;
210 uint32_t vsram_size; 211 uint32_t vsram_size;
211 uint8_t cd; 212 uint8_t cd;
212 uint8_t flags; 213 uint8_t flags;