1 // SPDX-License-Identifier: MIT
3 #define PIGFX_RTG_BASE 0x70000000
4 #define PIGFX_REG_SIZE 0x00010000
5 #define PIGFX_RTG_SIZE 0x02000000
6 #define PIGFX_SCRATCH_SIZE 0x00800000
7 #define PIGFX_SCRATCH_AREA 0x72010000
8 #define PIGFX_UPPER 0x72810000
12 #include "rtg_enums.h"
14 void rtg_write(uint32_t address, uint32_t value, uint8_t mode);
15 unsigned int rtg_read(uint32_t address, uint8_t mode);
16 void rtg_set_clut_entry(uint8_t index, uint32_t xrgb);
17 void rtg_init_display();
18 void rtg_shutdown_display();
19 void rtg_enable_mouse_cursor();
21 unsigned int rtg_get_fb();
22 void rtg_set_mouse_cursor_pos(int16_t x, int16_t y);
23 void rtg_set_cursor_clut_entry(uint8_t r, uint8_t g, uint8_t b, uint8_t idx);
24 void rtg_set_mouse_cursor_image(uint8_t *src, uint8_t w, uint8_t h);
26 void rtg_show_fps(uint8_t enable);
27 void rtg_palette_debug(uint8_t enable);
29 int init_rtg_data(struct emulator_config *cfg);
32 void rtg_fillrect(uint16_t x, uint16_t y, uint16_t w, uint16_t h, uint32_t color, uint16_t pitch, uint16_t format, uint8_t mask);
33 void rtg_fillrect_solid(uint16_t x, uint16_t y, uint16_t w, uint16_t h, uint32_t color, uint16_t pitch, uint16_t format);
34 void rtg_invertrect(uint16_t x, uint16_t y, uint16_t w, uint16_t h, uint16_t pitch, uint16_t format, uint8_t mask);
35 void rtg_blitrect(uint16_t x, uint16_t y, uint16_t dx, uint16_t dy, uint16_t w, uint16_t h, uint16_t pitch, uint16_t format, uint8_t mask);
36 void rtg_blitrect_solid(uint16_t x, uint16_t y, uint16_t dx, uint16_t dy, uint16_t w, uint16_t h, uint16_t pitch, uint16_t format);
37 void rtg_blitrect_nomask_complete(uint16_t sx, uint16_t sy, uint16_t dx, uint16_t dy, uint16_t w, uint16_t h, uint16_t srcpitch, uint16_t dstpitch, uint32_t src_addr, uint32_t dst_addr, uint16_t format, uint8_t minterm);
38 void rtg_blittemplate(uint16_t x, uint16_t y, uint16_t w, uint16_t h, uint32_t src_addr, uint32_t fgcol, uint32_t bgcol, uint16_t pitch, uint16_t t_pitch, uint16_t format, uint16_t offset_x, uint8_t mask, uint8_t draw_mode);
39 void rtg_blitpattern(uint16_t x, uint16_t y, uint16_t w, uint16_t h, uint32_t src_addr, uint32_t fgcol, uint32_t bgcol, uint16_t pitch, uint16_t format, uint16_t offset_x, uint16_t offset_y, uint8_t mask, uint8_t draw_mode, uint8_t loop_rows);
40 void rtg_drawline_solid(int16_t x1_, int16_t y1_, int16_t x2_, int16_t y2_, uint16_t len, uint32_t fgcol, uint16_t pitch, uint16_t format);
41 void rtg_drawline (int16_t x1_, int16_t y1_, int16_t x2_, int16_t y2_, uint16_t len, uint16_t pattern, uint16_t pattern_offset, uint32_t fgcol, uint32_t bgcol, uint16_t pitch, uint16_t format, uint8_t mask, uint8_t draw_mode);
43 void rtg_p2c (int16_t sx, int16_t sy, int16_t dx, int16_t dy, int16_t w, int16_t h, uint8_t draw_mode, uint8_t planes, uint8_t mask, uint8_t layer_mask, uint16_t src_line_pitch, uint8_t *bmp_data_src);
44 void rtg_p2d (int16_t sx, int16_t sy, int16_t dx, int16_t dy, int16_t w, int16_t h, uint8_t draw_mode, uint8_t planes, uint8_t mask, uint8_t layer_mask, uint16_t src_line_pitch, uint8_t *bmp_data_src);
46 #define PATTERN_LOOPX \
47 if (sptr) { cur_byte = sptr[tmpl_x]; } \
48 else { cur_byte = m68k_read_memory_8(src_addr + tmpl_x); } \
49 if (invert) { cur_byte ^= 0xFF; } \
52 #define PATTERN_LOOPY \
55 if ((ys + offset_y + 1) % loop_rows == 0) { \
56 if (sptr) sptr = sptr_base; \
57 src_addr = src_addr_base; \
59 tmpl_x = (offset_x / 8) % 2; \
63 #define TEMPLATE_LOOPX \
64 if (sptr) { cur_byte = sptr[tmpl_x]; } \
65 else { cur_byte = m68k_read_memory_8(src_addr + tmpl_x); } \
66 if (invert) { cur_byte ^= 0xFF; } \
69 #define TEMPLATE_LOOPY \
70 if (sptr) sptr += t_pitch; \
71 src_addr += t_pitch; \
73 tmpl_x = offset_x / 8; \
76 #define INVERT_RTG_PIXELS(dest, format) \
79 if (cur_byte & 0x80) (dest)[0] ^= mask; \
80 if (cur_byte & 0x40) (dest)[1] ^= mask; \
81 if (cur_byte & 0x20) (dest)[2] ^= mask; \
82 if (cur_byte & 0x10) (dest)[3] ^= mask; \
83 if (cur_byte & 0x08) (dest)[4] ^= mask; \
84 if (cur_byte & 0x04) (dest)[5] ^= mask; \
85 if (cur_byte & 0x02) (dest)[6] ^= mask; \
86 if (cur_byte & 0x01) (dest)[7] ^= mask; \
89 if (cur_byte & 0x80) ((uint16_t *)dest)[0] = ~((uint16_t *)dest)[0]; \
90 if (cur_byte & 0x40) ((uint16_t *)dest)[1] = ~((uint16_t *)dest)[1]; \
91 if (cur_byte & 0x20) ((uint16_t *)dest)[2] = ~((uint16_t *)dest)[2]; \
92 if (cur_byte & 0x10) ((uint16_t *)dest)[3] = ~((uint16_t *)dest)[3]; \
93 if (cur_byte & 0x08) ((uint16_t *)dest)[4] = ~((uint16_t *)dest)[4]; \
94 if (cur_byte & 0x04) ((uint16_t *)dest)[5] = ~((uint16_t *)dest)[5]; \
95 if (cur_byte & 0x02) ((uint16_t *)dest)[6] = ~((uint16_t *)dest)[6]; \
96 if (cur_byte & 0x01) ((uint16_t *)dest)[7] = ~((uint16_t *)dest)[7]; \
99 if (cur_byte & 0x80) ((uint32_t *)dest)[0] = ~((uint32_t *)dest)[0]; \
100 if (cur_byte & 0x40) ((uint32_t *)dest)[1] = ~((uint32_t *)dest)[1]; \
101 if (cur_byte & 0x20) ((uint32_t *)dest)[2] = ~((uint32_t *)dest)[2]; \
102 if (cur_byte & 0x10) ((uint32_t *)dest)[3] = ~((uint32_t *)dest)[3]; \
103 if (cur_byte & 0x08) ((uint32_t *)dest)[4] = ~((uint32_t *)dest)[4]; \
104 if (cur_byte & 0x04) ((uint32_t *)dest)[5] = ~((uint32_t *)dest)[5]; \
105 if (cur_byte & 0x02) ((uint32_t *)dest)[6] = ~((uint32_t *)dest)[6]; \
106 if (cur_byte & 0x01) ((uint32_t *)dest)[7] = ~((uint32_t *)dest)[7]; \
110 #define SET_RTG_PIXELS_MASK(dest, src, format) \
111 if (cur_byte & 0x80) (dest)[0] = src ^ ((dest)[0] & ~mask); \
112 if (cur_byte & 0x40) (dest)[1] = src ^ ((dest)[1] & ~mask); \
113 if (cur_byte & 0x20) (dest)[2] = src ^ ((dest)[2] & ~mask); \
114 if (cur_byte & 0x10) (dest)[3] = src ^ ((dest)[3] & ~mask); \
115 if (cur_byte & 0x08) (dest)[4] = src ^ ((dest)[4] & ~mask); \
116 if (cur_byte & 0x04) (dest)[5] = src ^ ((dest)[5] & ~mask); \
117 if (cur_byte & 0x02) (dest)[6] = src ^ ((dest)[6] & ~mask); \
118 if (cur_byte & 0x01) (dest)[7] = src ^ ((dest)[7] & ~mask); \
120 #define SET_RTG_PIXELS2_COND_MASK(dest, src, src2, format) \
121 (dest)[0] = (cur_byte & 0x80) ? src : src2 ^ ((dest)[0] & ~mask); \
122 (dest)[1] = (cur_byte & 0x40) ? src : src2 ^ ((dest)[1] & ~mask); \
123 (dest)[2] = (cur_byte & 0x20) ? src : src2 ^ ((dest)[2] & ~mask); \
124 (dest)[3] = (cur_byte & 0x10) ? src : src2 ^ ((dest)[3] & ~mask); \
125 (dest)[4] = (cur_byte & 0x08) ? src : src2 ^ ((dest)[4] & ~mask); \
126 (dest)[5] = (cur_byte & 0x04) ? src : src2 ^ ((dest)[5] & ~mask); \
127 (dest)[6] = (cur_byte & 0x02) ? src : src2 ^ ((dest)[6] & ~mask); \
128 (dest)[7] = (cur_byte & 0x01) ? src : src2 ^ ((dest)[7] & ~mask); \
131 #define SET_RTG_PIXELS(dest, src, format) \
134 if (cur_byte & 0x80) (dest)[0] = src; \
135 if (cur_byte & 0x40) (dest)[1] = src; \
136 if (cur_byte & 0x20) (dest)[2] = src; \
137 if (cur_byte & 0x10) (dest)[3] = src; \
138 if (cur_byte & 0x08) (dest)[4] = src; \
139 if (cur_byte & 0x04) (dest)[5] = src; \
140 if (cur_byte & 0x02) (dest)[6] = src; \
141 if (cur_byte & 0x01) (dest)[7] = src; \
143 case RTGFMT_RBG565: \
144 if (cur_byte & 0x80) ((uint16_t *)dest)[0] = src; \
145 if (cur_byte & 0x40) ((uint16_t *)dest)[1] = src; \
146 if (cur_byte & 0x20) ((uint16_t *)dest)[2] = src; \
147 if (cur_byte & 0x10) ((uint16_t *)dest)[3] = src; \
148 if (cur_byte & 0x08) ((uint16_t *)dest)[4] = src; \
149 if (cur_byte & 0x04) ((uint16_t *)dest)[5] = src; \
150 if (cur_byte & 0x02) ((uint16_t *)dest)[6] = src; \
151 if (cur_byte & 0x01) ((uint16_t *)dest)[7] = src; \
154 if (cur_byte & 0x80) ((uint32_t *)dest)[0] = src; \
155 if (cur_byte & 0x40) ((uint32_t *)dest)[1] = src; \
156 if (cur_byte & 0x20) ((uint32_t *)dest)[2] = src; \
157 if (cur_byte & 0x10) ((uint32_t *)dest)[3] = src; \
158 if (cur_byte & 0x08) ((uint32_t *)dest)[4] = src; \
159 if (cur_byte & 0x04) ((uint32_t *)dest)[5] = src; \
160 if (cur_byte & 0x02) ((uint32_t *)dest)[6] = src; \
161 if (cur_byte & 0x01) ((uint32_t *)dest)[7] = src; \
165 #define SET_RTG_PIXELS2_COND(dest, src, src2, format) \
168 (dest)[0] = (cur_byte & 0x80) ? src : src2; \
169 (dest)[1] = (cur_byte & 0x40) ? src : src2; \
170 (dest)[2] = (cur_byte & 0x20) ? src : src2; \
171 (dest)[3] = (cur_byte & 0x10) ? src : src2; \
172 (dest)[4] = (cur_byte & 0x08) ? src : src2; \
173 (dest)[5] = (cur_byte & 0x04) ? src : src2; \
174 (dest)[6] = (cur_byte & 0x02) ? src : src2; \
175 (dest)[7] = (cur_byte & 0x01) ? src : src2; \
177 case RTGFMT_RBG565: \
178 ((uint16_t *)dest)[0] = (cur_byte & 0x80) ? src : src2; \
179 ((uint16_t *)dest)[1] = (cur_byte & 0x40) ? src : src2; \
180 ((uint16_t *)dest)[2] = (cur_byte & 0x20) ? src : src2; \
181 ((uint16_t *)dest)[3] = (cur_byte & 0x10) ? src : src2; \
182 ((uint16_t *)dest)[4] = (cur_byte & 0x08) ? src : src2; \
183 ((uint16_t *)dest)[5] = (cur_byte & 0x04) ? src : src2; \
184 ((uint16_t *)dest)[6] = (cur_byte & 0x02) ? src : src2; \
185 ((uint16_t *)dest)[7] = (cur_byte & 0x01) ? src : src2; \
188 ((uint32_t *)dest)[0] = (cur_byte & 0x80) ? src : src2; \
189 ((uint32_t *)dest)[1] = (cur_byte & 0x40) ? src : src2; \
190 ((uint32_t *)dest)[2] = (cur_byte & 0x20) ? src : src2; \
191 ((uint32_t *)dest)[3] = (cur_byte & 0x10) ? src : src2; \
192 ((uint32_t *)dest)[4] = (cur_byte & 0x08) ? src : src2; \
193 ((uint32_t *)dest)[5] = (cur_byte & 0x04) ? src : src2; \
194 ((uint32_t *)dest)[6] = (cur_byte & 0x02) ? src : src2; \
195 ((uint32_t *)dest)[7] = (cur_byte & 0x01) ? src : src2; \
201 #define SET_RTG_PIXEL(dest, src, format) \
206 case RTGFMT_RBG565: \
207 *((uint16_t *)dest) = src; \
210 *((uint32_t *)dest) = src; \
214 #define SET_RTG_PIXEL_MASK(dest, src, format) \
217 *(dest) = src ^ (*(dest) & ~mask); \
219 case RTGFMT_RBG565: \
220 *((uint16_t *)dest) = src; \
223 *((uint32_t *)dest) = src; \
227 #define INVERT_RTG_PIXEL(dest, format) \
232 case RTGFMT_RBG565: \
233 *((uint16_t *)dest) = ~*((uint16_t *)dest); \
236 *((uint32_t *)dest) = ~*((uint32_t *)dest); \
240 #define HANDLE_MINTERM_PIXEL(s, d, f) \
244 SET_RTG_PIXEL_MASK(&d, s, f); break; \
245 case MINTERM_ONLYDST: \
246 d = d & ~(s); break; \
247 case MINTERM_NOTSRC: \
248 SET_RTG_PIXEL_MASK(&d, s, f); break; \
249 case MINTERM_ONLYSRC: \
251 SET_RTG_PIXEL_MASK(&d, s, f); break; \
252 case MINTERM_INVERT: \
257 s = ~(d & ~(s)) & mask; \
258 SET_RTG_PIXEL_MASK(&d, s, f); break; \
261 SET_RTG_PIXEL_MASK(&d, s, f); break; \
263 d ^= (s & mask); break; \
264 case MINTERM_DST: /* This one does nothing. */ \
266 case MINTERM_NOTONLYSRC: \
267 d |= (s & mask); break; \
269 SET_RTG_PIXEL_MASK(&d, s, f); break; \
270 case MINTERM_NOTONLYDST: \
271 s = ~(d & s) & mask; \
272 SET_RTG_PIXEL_MASK(&d, s, f); break; \
274 d |= (s & mask); break; \
278 #define DECODE_PLANAR_PIXEL(a) \
280 case 8: if (layer_mask & 0x80 && bmp_data[(plane_size * 7) + cur_byte] & cur_bit) a |= 0x80; \
282 case 7: if (layer_mask & 0x40 && bmp_data[(plane_size * 6) + cur_byte] & cur_bit) a |= 0x40; \
284 case 6: if (layer_mask & 0x20 && bmp_data[(plane_size * 5) + cur_byte] & cur_bit) a |= 0x20; \
286 case 5: if (layer_mask & 0x10 && bmp_data[(plane_size * 4) + cur_byte] & cur_bit) a |= 0x10; \
288 case 4: if (layer_mask & 0x08 && bmp_data[(plane_size * 3) + cur_byte] & cur_bit) a |= 0x08; \
290 case 3: if (layer_mask & 0x04 && bmp_data[(plane_size * 2) + cur_byte] & cur_bit) a |= 0x04; \
292 case 2: if (layer_mask & 0x02 && bmp_data[plane_size + cur_byte] & cur_bit) a |= 0x02; \
294 case 1: if (layer_mask & 0x01 && bmp_data[cur_byte] & cur_bit) a |= 0x01; \
298 #define DECODE_INVERTED_PLANAR_PIXEL(a) \
300 case 8: if (layer_mask & 0x80 && (bmp_data[(plane_size * 7) + cur_byte] ^ 0xFF) & cur_bit) a |= 0x80; \
302 case 7: if (layer_mask & 0x40 && (bmp_data[(plane_size * 6) + cur_byte] ^ 0xFF) & cur_bit) a |= 0x40; \
304 case 6: if (layer_mask & 0x20 && (bmp_data[(plane_size * 5) + cur_byte] ^ 0xFF) & cur_bit) a |= 0x20; \
306 case 5: if (layer_mask & 0x10 && (bmp_data[(plane_size * 4) + cur_byte] ^ 0xFF) & cur_bit) a |= 0x10; \
308 case 4: if (layer_mask & 0x08 && (bmp_data[(plane_size * 3) + cur_byte] ^ 0xFF) & cur_bit) a |= 0x08; \
310 case 3: if (layer_mask & 0x04 && (bmp_data[(plane_size * 2) + cur_byte] ^ 0xFF) & cur_bit) a |= 0x04; \
312 case 2: if (layer_mask & 0x02 && (bmp_data[plane_size + cur_byte] ^ 0xFF) & cur_bit) a |= 0x02; \
314 case 1: if (layer_mask & 0x01 && (bmp_data[cur_byte] ^ 0xFF) & cur_bit) a |= 0x01; \