Mercurial > repos > blastem
annotate jag_video.h @ 2229:f699f9d500b4
Fix build
author | Michael Pavone <pavone@retrodev.com> |
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date | Mon, 05 Sep 2022 23:48:17 -0700 |
parents | faa3a4617f62 |
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1 #ifndef JAG_VIDEO_H_ |
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2 #define JAG_VIDEO_H_ |
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3 |
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4 enum { |
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5 VID_HCOUNT, |
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6 VID_VCOUNT, |
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7 VID_HLPEN, |
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8 VID_VLPEN, |
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9 VID_REG_C, |
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10 VID_REG_E, |
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11 VID_OBJ0, |
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12 VID_OBJ1, |
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13 VID_OBJ2, |
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14 VID_OBJ3, |
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15 VID_REG_18, |
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16 VID_REG_1A, |
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17 VID_REG_1C, |
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18 VID_REG_1E, |
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19 VID_OBJLIST1, |
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20 VID_OBJLIST2, |
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21 VID_REG_24, |
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22 VID_OBJFLAG, |
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23 VID_VMODE, |
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24 VID_BORDER_RG, |
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25 VID_BORDER_B, |
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26 VID_HPERIOD, |
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27 VID_HBLANK_BEGIN, |
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28 VID_HBLANK_END, |
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29 VID_HSYNC, |
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30 VID_HVSYNC, |
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31 VID_HDISP_BEGIN1, |
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32 VID_HDISP_BEGIN2, |
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33 VID_HDISP_END, |
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34 VID_VPERIOD, |
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35 VID_VBLANK_BEGIN, |
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36 VID_VBLANK_END, |
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37 VID_VSYNC, |
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38 VID_VDISP_BEGIN, |
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39 VID_VDISP_END, |
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40 VID_VEQUAL_BEGIN, |
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41 VID_VEQUAL_END, |
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42 VID_VINT, |
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43 VID_PIT0, |
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44 VID_PIT1, |
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45 VID_HEQUAL_END, |
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46 VID_REG_56, |
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47 VID_BGCOLOR, |
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48 JAG_VIDEO_REGS |
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49 }; |
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50 #define LINEBUFFER_WORDS 720 |
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51 |
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52 typedef struct { |
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53 uint64_t im_data; |
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54 uint64_t prefetch; |
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55 uint32_t cycles; |
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56 uint32_t obj_start; |
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57 uint32_t link; |
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58 uint32_t data_address; |
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59 uint32_t cur_address; |
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60 uint32_t increment; |
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61 uint32_t line_pitch; |
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62 uint32_t lb_offset; |
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63 int16_t xpos; |
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64 uint16_t ypos; |
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65 uint16_t height; |
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66 int16_t hscale; |
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67 int16_t vscale; |
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68 int16_t hremainder; |
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69 int16_t remainder; |
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70 uint8_t bpp; |
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71 uint8_t line_phrases; |
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72 uint8_t state; |
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73 uint8_t type; |
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74 uint8_t im_bits; |
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75 uint8_t pal_offset; |
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76 uint8_t has_prefetch; |
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77 uint8_t hflip; |
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78 uint8_t addpixels; |
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79 uint8_t transparent; |
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80 uint8_t leftclip; |
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81 } object_processor; |
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82 |
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83 typedef struct { |
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84 void *system; |
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85 uint32_t *output; |
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86 uint32_t output_pitch; |
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87 uint16_t regs[JAG_VIDEO_REGS]; |
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88 |
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89 uint16_t clut[256]; |
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90 uint16_t line_buffer_a[LINEBUFFER_WORDS]; |
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91 uint16_t line_buffer_b[LINEBUFFER_WORDS]; |
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92 uint16_t *write_line_buffer; |
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93 |
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94 uint32_t cycles; |
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95 uint32_t op_cycles; |
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96 uint8_t pclock_div; |
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97 uint8_t pclock_counter; |
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98 uint8_t mode; |
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99 uint8_t cpu_int_pending; |
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100 |
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101 object_processor op; |
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102 |
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103 } jag_video; |
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104 |
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105 |
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106 jag_video *jag_video_init(void); |
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107 void jag_video_run(jag_video *context, uint32_t target_cycle); |
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108 void jag_video_reg_write(jag_video *context, uint32_t address, uint16_t value); |
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109 uint32_t jag_next_vid_interrupt(jag_video *context); |
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110 |
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111 #endif //JAG_VIDEO_H_ |