Mercurial > repos > blastem
annotate jagcpu.h @ 2279:3b5fef896475
Fix edge case in m68k_invalidate_code_range that caused problems when loading save states
author | Michael Pavone <pavone@retrodev.com> |
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date | Sun, 08 Jan 2023 14:20:43 -0800 |
parents | c48d5191ddc9 |
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1 #ifndef JAGCPU_H_ |
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2 #define JAGCPU_H_ |
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3 |
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4 enum { |
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5 JAG_ADD, |
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6 JAG_ADDC, |
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7 JAG_ADDQ, |
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8 JAG_ADDQT, |
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9 JAG_SUB, |
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10 JAG_SUBC, |
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11 JAG_SUBQ, |
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12 JAG_SUBQT, |
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13 JAG_NEG, |
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14 JAG_AND, |
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15 JAG_OR, |
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16 JAG_XOR, |
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17 JAG_NOT, |
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18 JAG_BTST, |
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19 JAG_BSET, |
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20 JAG_BCLR, |
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21 JAG_MULT, |
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22 JAG_IMULT, |
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23 JAG_IMULTN, |
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24 JAG_RESMAC, |
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25 JAG_IMACN, |
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26 JAG_DIV, |
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27 JAG_ABS, |
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28 JAG_SH, |
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29 JAG_SHLQ, |
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30 JAG_SHRQ, |
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31 JAG_SHA, |
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32 JAG_SHARQ, |
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33 JAG_ROR, |
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34 JAG_RORQ, |
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35 JAG_CMP, |
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36 JAG_CMPQ, |
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37 GPU_SAT8, |
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38 DSP_SUBQMOD = GPU_SAT8, |
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39 GPU_SAT16, |
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40 DSP_SAT16S = GPU_SAT16, |
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41 JAG_MOVE, |
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42 JAG_MOVEQ, |
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43 JAG_MOVETA, |
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44 JAG_MOVEFA, |
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45 JAG_MOVEI, |
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46 JAG_LOADB, |
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47 JAG_LOADW, |
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48 JAG_LOAD, |
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49 GPU_LOADP, |
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50 DSP_SAT32S = GPU_LOADP, |
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51 JAG_LOAD_R14_REL, |
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52 JAG_LOAD_R15_REL, |
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53 JAG_STOREB, |
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54 JAG_STOREW, |
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55 JAG_STORE, |
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56 GPU_STOREP, |
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57 DSP_MIRROR = GPU_STOREP, |
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58 JAG_STORE_R14_REL, |
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59 JAG_STORE_R15_REL, |
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60 JAG_MOVE_PC, |
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61 JAG_JUMP, |
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62 JAG_JR, |
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63 JAG_MMULT, |
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64 JAG_MTOI, |
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65 JAG_NORMI, |
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66 JAG_NOP, |
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67 JAG_LOAD_R14_INDEXED, |
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68 JAG_LOAD_R15_INDEXED, |
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69 JAG_STORE_R14_INDEXED, |
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70 JAG_STORE_R15_INDEXED, |
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71 GPU_SAT24, |
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72 GPU_PACK, |
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73 DSP_ADDQMOD = GPU_PACK, |
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74 GPU_UNPACK //virtual opcode, UNPACK is PACK with a reg1 field set to 1 |
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75 }; |
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76 |
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77 #define JAGCPU_NOREG -1 |
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78 |
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79 |
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80 typedef struct { |
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81 cpu_options gen; |
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82 int8_t regs[32]; |
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83 int8_t result; |
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84 int8_t resultreg; |
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85 int8_t bankptr; |
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86 uint8_t is_gpu; |
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87 } jag_cpu_options; |
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88 |
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89 typedef struct { |
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90 uint32_t read_high; |
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91 } jag_gpu; |
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92 |
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93 typedef struct { |
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94 uint8_t mac_high; |
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95 uint8_t modulo; |
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96 } jag_dsp; |
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97 |
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98 typedef struct { |
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99 uint32_t cycles; |
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100 uint32_t regs[64]; |
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101 uint32_t *main; |
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102 uint32_t *alt; |
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103 uint32_t pc; |
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104 uint32_t result; |
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105 uint32_t flags; |
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106 uint32_t flags_pending; |
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107 uint32_t remainder; |
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108 union { |
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109 jag_gpu gpu; |
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110 jag_dsp dsp; |
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111 }; |
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112 int8_t writeback; |
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113 int8_t resultreg; |
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114 uint8_t is_gpu; |
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115 } jag_cpu; |
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116 |
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117 uint16_t jag_opcode(uint16_t inst, uint8_t is_gpu); |
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118 char * jag_cc(uint16_t inst); |
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119 uint16_t jag_reg2(uint16_t inst); |
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120 uint32_t jag_jr_dest(uint16_t inst, uint32_t address); |
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121 int jag_cpu_disasm(uint16_t **stream, uint32_t address, char *dst, uint8_t is_gpu, uint8_t labels); |
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122 |
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123 #endif |