Mercurial > repos > blastem
annotate m68k_internal.h @ 1526:9bea1a199f15 nuklear_ui
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author | Michael Pavone <pavone@retrodev.com> |
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date | Wed, 07 Feb 2018 19:21:44 -0800 |
parents | df6af7187b36 |
children | e01adbe1a75b |
rev | line source |
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Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
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1 /* |
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2 Copyright 2014 Michael Pavone |
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3 This file is part of BlastEm. |
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4 BlastEm is free software distributed under the terms of the GNU General Public License version 3 or greater. See COPYING for full license text. |
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5 */ |
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6 #ifndef M68K_INTERNAL_H_ |
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7 #define M68K_INTERNAL_H_ |
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8 |
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9 #include "68kinst.h" |
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10 |
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11 //functions implemented in host CPU specfic file |
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12 void translate_out_of_bounds(m68k_options *opts, uint32_t address); |
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13 void areg_to_native(m68k_options *opts, uint8_t reg, uint8_t native_reg); |
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14 void dreg_to_native(m68k_options *opts, uint8_t reg, uint8_t native_reg); |
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15 void areg_to_native_sx(m68k_options *opts, uint8_t reg, uint8_t native_reg); |
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16 void dreg_to_native_sx(m68k_options *opts, uint8_t reg, uint8_t native_reg); |
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17 void native_to_areg(m68k_options *opts, uint8_t native_reg, uint8_t reg); |
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18 void native_to_dreg(m68k_options *opts, uint8_t native_reg, uint8_t reg); |
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19 void ldi_areg(m68k_options *opts, int32_t value, uint8_t reg); |
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20 void ldi_native(m68k_options *opts, int32_t value, uint8_t reg); |
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Move translate_m68k_movem to m68k_core.c
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21 void addi_native(m68k_options *opts, int32_t value, uint8_t reg); |
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22 void subi_native(m68k_options *opts, int32_t value, uint8_t reg); |
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23 void push_native(m68k_options *opts, uint8_t reg); |
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24 void pop_native(m68k_options *opts, uint8_t reg); |
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25 void sign_extend16_native(m68k_options *opts, uint8_t reg); |
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26 void addi_areg(m68k_options *opts, int32_t val, uint8_t reg); |
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27 void subi_areg(m68k_options *opts, int32_t val, uint8_t reg); |
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28 void add_areg_native(m68k_options *opts, uint8_t reg, uint8_t native_reg); |
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29 void add_dreg_native(m68k_options *opts, uint8_t reg, uint8_t native_reg); |
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30 void calc_areg_displace(m68k_options *opts, m68k_op_info *op, uint8_t native_reg); |
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31 void calc_index_disp8(m68k_options *opts, m68k_op_info *op, uint8_t native_reg); |
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32 void calc_areg_index_disp8(m68k_options *opts, m68k_op_info *op, uint8_t native_reg); |
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33 void nop_fill_or_jmp_next(code_info *code, code_ptr old_end, code_ptr next_inst); |
687
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Moved translate_m68k_rte and translate_m68k_reset to m68k_core.c
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34 void check_user_mode_swap_ssp_usp(m68k_options *opts); |
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Half assed, prefetch based open bus value emulation. Gets BlastEm up to 119/122 in VDP FIFO Testing
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35 void m68k_set_last_prefetch(m68k_options *opts, uint32_t address); |
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Initial stab at implementing address error exceptions. Need to fill in the value of IR, undefined bits of last stack frame word and properly deal with address errors that occur during exception processing.
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36 void translate_m68k_odd(m68k_options *opts, m68kinst *inst); |
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37 void m68k_trap_if_not_supervisor(m68k_options *opts, m68kinst *inst); |
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Fix interaction between 68K debugger and instruction retranslation due to self modifying code or bank switching
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38 void m68k_breakpoint_patch(m68k_context *context, uint32_t address, m68k_debug_handler bp_handler, code_ptr native_addr); |
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Fix to M68K interrupt latency for most instructions. Still needs some work for RAW_IMPL instructions besides move
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39 void m68k_check_cycles_int_latch(m68k_options *opts); |
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Fix to M68K interrupt latency for most instructions. Still needs some work for RAW_IMPL instructions besides move
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40 uint8_t translate_m68k_op(m68kinst * inst, host_ea * ea, m68k_options * opts, uint8_t dst); |
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41 |
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42 //functions implemented in m68k_core.c |
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43 int8_t native_reg(m68k_op_info * op, m68k_options * opts); |
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44 size_t dreg_offset(uint8_t reg); |
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45 size_t areg_offset(uint8_t reg); |
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46 size_t reg_offset(m68k_op_info *op); |
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47 void m68k_read_size(m68k_options *opts, uint8_t size); |
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Fix order of writes for move.l with a predec destination
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48 void m68k_write_size(m68k_options *opts, uint8_t size, uint8_t lowfirst); |
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Moved m68k_save_result to m68k_core.c
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49 void m68k_save_result(m68kinst * inst, m68k_options * opts); |
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50 void jump_m68k_abs(m68k_options * opts, uint32_t address); |
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51 void swap_ssp_usp(m68k_options * opts); |
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52 code_ptr get_native_address(m68k_options *opts, uint32_t address); |
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53 uint8_t m68k_is_terminal(m68kinst * inst); |
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54 code_ptr get_native_address_trans(m68k_context * context, uint32_t address); |
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Made m68k_retranslate_inst host-cpu generic and moved it to m68k_core.c
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55 void * m68k_retranslate_inst(uint32_t address, m68k_context * context); |
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56 m68k_context *m68k_bp_dispatcher(m68k_context *context, uint32_t address); |
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57 |
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58 //individual instructions |
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59 void translate_m68k_bcc(m68k_options * opts, m68kinst * inst); |
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60 void translate_m68k_scc(m68k_options * opts, m68kinst * inst); |
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61 void translate_m68k_dbcc(m68k_options * opts, m68kinst * inst); |
839 | 62 void translate_m68k_trapv(m68k_options *opts, m68kinst *inst); |
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63 void translate_m68k_move(m68k_options * opts, m68kinst * inst); |
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64 void translate_m68k_movep(m68k_options * opts, m68kinst * inst); |
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65 void translate_m68k_arith(m68k_options *opts, m68kinst * inst, uint32_t flag_mask, host_ea *src_op, host_ea *dst_op); |
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66 void translate_m68k_unary(m68k_options *opts, m68kinst *inst, uint32_t flag_mask, host_ea *dst_op); |
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Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
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67 void translate_m68k_cmp(m68k_options * opts, m68kinst * inst); |
837 | 68 void translate_m68k_tas(m68k_options * opts, m68kinst * inst); |
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69 void translate_m68k_clr(m68k_options * opts, m68kinst * inst); |
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70 void translate_m68k_ext(m68k_options * opts, m68kinst * inst); |
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71 void translate_m68k_abcd_sbcd(m68k_options *opts, m68kinst *inst, host_ea *src_op, host_ea *dst_op); |
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72 void translate_m68k_sl(m68k_options *opts, m68kinst *inst, host_ea *src_op, host_ea *dst_op); |
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73 void translate_m68k_asr(m68k_options *opts, m68kinst *inst, host_ea *src_op, host_ea *dst_op); |
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74 void translate_m68k_lsr(m68k_options *opts, m68kinst *inst, host_ea *src_op, host_ea *dst_op); |
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75 void translate_m68k_bit(m68k_options *opts, m68kinst *inst, host_ea *src_op, host_ea *dst_op); |
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76 void translate_m68k_chk(m68k_options *opts, m68kinst *inst, host_ea *src_op, host_ea *dst_op); |
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Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
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77 void translate_m68k_div(m68k_options *opts, m68kinst *inst, host_ea *src_op, host_ea *dst_op); |
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78 void translate_m68k_exg(m68k_options *opts, m68kinst *inst, host_ea *src_op, host_ea *dst_op); |
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Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
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79 void translate_m68k_mul(m68k_options *opts, m68kinst *inst, host_ea *src_op, host_ea *dst_op); |
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80 void translate_m68k_negx(m68k_options *opts, m68kinst *inst, host_ea *src_op, host_ea *dst_op); |
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81 void translate_m68k_rot(m68k_options *opts, m68kinst *inst, host_ea *src_op, host_ea *dst_op); |
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Combine andi ccr/sr and ori ccr/sr.
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82 void translate_m68k_andi_ori_ccr_sr(m68k_options *opts, m68kinst *inst); |
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83 void translate_m68k_eori_ccr_sr(m68k_options *opts, m68kinst *inst); |
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Michael Pavone <pavone@retrodev.com>
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84 void translate_m68k_move_ccr_sr(m68k_options *opts, m68kinst *inst, host_ea *src_op, host_ea *dst_op); |
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85 void translate_m68k_stop(m68k_options *opts, m68kinst *inst); |
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Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
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86 void translate_m68k_move_from_sr(m68k_options *opts, m68kinst *inst, host_ea *src_op, host_ea *dst_op); |
1082
2ec5e6eaf81d
Add support for specifying a reset handler in the M68K core. Adjust memory map initialization to handle extra field. Improved handling of out of bounds execution.
Michael Pavone <pavone@retrodev.com>
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87 void translate_m68k_reset(m68k_options *opts, m68kinst *inst); |
574
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88 |
576
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Small refactor to flag handling in 68K core
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89 //flag update bits |
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90 #define X0 0x0001 |
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91 #define X1 0x0002 |
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92 #define X 0x0004 |
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93 #define N0 0x0008 |
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94 #define N1 0x0010 |
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95 #define N 0x0020 |
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96 #define Z0 0x0040 |
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97 #define Z1 0x0080 |
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98 #define Z 0x0100 |
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99 #define V0 0x0200 |
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100 #define V1 0x0400 |
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101 #define V 0x0800 |
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102 #define C0 0x1000 |
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103 #define C1 0x2000 |
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104 #define C 0x4000 |
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105 |
574
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106 #define BUS 4 |
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107 #define PREDEC_PENALTY 2 |
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108 extern char disasm_buf[1024]; |
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109 |
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110 m68k_context * sync_components(m68k_context * context, uint32_t address); |
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111 |
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112 void m68k_invalid(); |
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113 void bcd_add(); |
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114 void bcd_sub(); |
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115 |
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116 #endif //M68K_INTERNAL_H_ |