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annotate mame_z80/z80.h @ 1507:2455662378ed mame_interp

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Added MAME Z80 core, re-enabled 68K tracing in Musashi core, disabled a bunch of code gen stuff when using interpreters from MAME
author Michael Pavone <pavone@retrodev.com>
date Sat, 30 Dec 2017 18:27:06 -0800
parents
children 2e57910fd641
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1507
2455662378ed Added MAME Z80 core, re-enabled 68K tracing in Musashi core, disabled a bunch of code gen stuff when using interpreters from MAME
Michael Pavone <pavone@retrodev.com>
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1 // license:BSD-3-Clause
2455662378ed Added MAME Z80 core, re-enabled 68K tracing in Musashi core, disabled a bunch of code gen stuff when using interpreters from MAME
Michael Pavone <pavone@retrodev.com>
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2 // copyright-holders:Juergen Buchmueller
2455662378ed Added MAME Z80 core, re-enabled 68K tracing in Musashi core, disabled a bunch of code gen stuff when using interpreters from MAME
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3 #pragma once
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4
2455662378ed Added MAME Z80 core, re-enabled 68K tracing in Musashi core, disabled a bunch of code gen stuff when using interpreters from MAME
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5 #ifndef __Z80_H__
2455662378ed Added MAME Z80 core, re-enabled 68K tracing in Musashi core, disabled a bunch of code gen stuff when using interpreters from MAME
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6 #define __Z80_H__
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7
2455662378ed Added MAME Z80 core, re-enabled 68K tracing in Musashi core, disabled a bunch of code gen stuff when using interpreters from MAME
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8 #include "../backend.h"
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9
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10 typedef struct
2455662378ed Added MAME Z80 core, re-enabled 68K tracing in Musashi core, disabled a bunch of code gen stuff when using interpreters from MAME
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11 {
2455662378ed Added MAME Z80 core, re-enabled 68K tracing in Musashi core, disabled a bunch of code gen stuff when using interpreters from MAME
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12 cpu_options gen;
2455662378ed Added MAME Z80 core, re-enabled 68K tracing in Musashi core, disabled a bunch of code gen stuff when using interpreters from MAME
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13 memmap_chunk const *iomap;
2455662378ed Added MAME Z80 core, re-enabled 68K tracing in Musashi core, disabled a bunch of code gen stuff when using interpreters from MAME
Michael Pavone <pavone@retrodev.com>
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14 uint32_t io_chunks;
2455662378ed Added MAME Z80 core, re-enabled 68K tracing in Musashi core, disabled a bunch of code gen stuff when using interpreters from MAME
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15 uint32_t io_address_mask;
2455662378ed Added MAME Z80 core, re-enabled 68K tracing in Musashi core, disabled a bunch of code gen stuff when using interpreters from MAME
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16 } z80_options;
2455662378ed Added MAME Z80 core, re-enabled 68K tracing in Musashi core, disabled a bunch of code gen stuff when using interpreters from MAME
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17
2455662378ed Added MAME Z80 core, re-enabled 68K tracing in Musashi core, disabled a bunch of code gen stuff when using interpreters from MAME
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18 #define LSB_FIRST
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19
2455662378ed Added MAME Z80 core, re-enabled 68K tracing in Musashi core, disabled a bunch of code gen stuff when using interpreters from MAME
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20 typedef union
2455662378ed Added MAME Z80 core, re-enabled 68K tracing in Musashi core, disabled a bunch of code gen stuff when using interpreters from MAME
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21 {
2455662378ed Added MAME Z80 core, re-enabled 68K tracing in Musashi core, disabled a bunch of code gen stuff when using interpreters from MAME
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22 #ifdef LSB_FIRST
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23 struct { uint8_t l,h,h2,h3; } b;
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24 struct { uint16_t l,h; } w;
2455662378ed Added MAME Z80 core, re-enabled 68K tracing in Musashi core, disabled a bunch of code gen stuff when using interpreters from MAME
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25 struct { int8_t l,h,h2,h3; } sb;
2455662378ed Added MAME Z80 core, re-enabled 68K tracing in Musashi core, disabled a bunch of code gen stuff when using interpreters from MAME
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26 struct { int16_t l,h; } sw;
2455662378ed Added MAME Z80 core, re-enabled 68K tracing in Musashi core, disabled a bunch of code gen stuff when using interpreters from MAME
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27 #else
2455662378ed Added MAME Z80 core, re-enabled 68K tracing in Musashi core, disabled a bunch of code gen stuff when using interpreters from MAME
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28 struct { uint8_t h3,h2,h,l; } b;
2455662378ed Added MAME Z80 core, re-enabled 68K tracing in Musashi core, disabled a bunch of code gen stuff when using interpreters from MAME
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29 struct { int8_t h3,h2,h,l; } sb;
2455662378ed Added MAME Z80 core, re-enabled 68K tracing in Musashi core, disabled a bunch of code gen stuff when using interpreters from MAME
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30 struct { uint16_t h,l; } w;
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31 struct { int16_t h,l; } sw;
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32 #endif
2455662378ed Added MAME Z80 core, re-enabled 68K tracing in Musashi core, disabled a bunch of code gen stuff when using interpreters from MAME
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33 uint32_t d;
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34 int32_t sd;
2455662378ed Added MAME Z80 core, re-enabled 68K tracing in Musashi core, disabled a bunch of code gen stuff when using interpreters from MAME
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35 } PAIR;
2455662378ed Added MAME Z80 core, re-enabled 68K tracing in Musashi core, disabled a bunch of code gen stuff when using interpreters from MAME
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36
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37 #define ZNUM_MEM_AREAS 4
2455662378ed Added MAME Z80 core, re-enabled 68K tracing in Musashi core, disabled a bunch of code gen stuff when using interpreters from MAME
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38 typedef struct z80_device z80_device;
2455662378ed Added MAME Z80 core, re-enabled 68K tracing in Musashi core, disabled a bunch of code gen stuff when using interpreters from MAME
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39 //typedefs for compatibility with existing BlastEm code
2455662378ed Added MAME Z80 core, re-enabled 68K tracing in Musashi core, disabled a bunch of code gen stuff when using interpreters from MAME
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40 typedef z80_device z80_context;
2455662378ed Added MAME Z80 core, re-enabled 68K tracing in Musashi core, disabled a bunch of code gen stuff when using interpreters from MAME
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41 typedef void (*z80_ctx_fun)(z80_context * context);
2455662378ed Added MAME Z80 core, re-enabled 68K tracing in Musashi core, disabled a bunch of code gen stuff when using interpreters from MAME
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42
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43 struct z80_device
2455662378ed Added MAME Z80 core, re-enabled 68K tracing in Musashi core, disabled a bunch of code gen stuff when using interpreters from MAME
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44 {
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45 z80_options *options;
2455662378ed Added MAME Z80 core, re-enabled 68K tracing in Musashi core, disabled a bunch of code gen stuff when using interpreters from MAME
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46 uint8_t * mem_pointers[ZNUM_MEM_AREAS];
2455662378ed Added MAME Z80 core, re-enabled 68K tracing in Musashi core, disabled a bunch of code gen stuff when using interpreters from MAME
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47 void *system;
2455662378ed Added MAME Z80 core, re-enabled 68K tracing in Musashi core, disabled a bunch of code gen stuff when using interpreters from MAME
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48 z80_ctx_fun next_int_pulse;
2455662378ed Added MAME Z80 core, re-enabled 68K tracing in Musashi core, disabled a bunch of code gen stuff when using interpreters from MAME
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49
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50 PAIR m_prvpc;
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51 PAIR m_pc;
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52 PAIR m_sp;
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53 PAIR m_af;
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54 PAIR m_bc;
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55 PAIR m_de;
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56 PAIR m_hl;
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57 PAIR m_ix;
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58 PAIR m_iy;
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59 PAIR m_wz;
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60 PAIR m_af2;
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61 PAIR m_bc2;
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62 PAIR m_de2;
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63 PAIR m_hl2;
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64 uint8_t m_r;
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65 uint8_t m_r2;
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66 uint8_t m_iff1;
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67 uint8_t m_iff2;
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68 uint8_t m_halt;
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69 uint8_t m_im;
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70 uint8_t m_i;
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71 uint8_t m_nmi_state; /* nmi line state */
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72 uint8_t m_nmi_pending; /* nmi pending */
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73 uint8_t m_irq_state; /* irq line state */
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74 int m_wait_state; // wait line state
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75 int busreq; // bus request line state
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76 int busack; // bus ack line state
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77 int reset;
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78 uint8_t m_after_ei; /* are we in the EI shadow? */
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79 uint8_t m_after_ldair; /* same, but for LD A,I or LD A,R */
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80 uint32_t m_ea;
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81
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82 int m_icount;
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83 uint32_t current_cycle;
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84 uint32_t nmi_start;
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85 uint32_t int_pulse_start;
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86 uint32_t int_pulse_end;
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87 uint16_t bank_reg;
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88 uint8_t m_rtemp;
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89 uint8_t int_is_nmi;
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90 uint8_t im2_vector;
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91 const uint8_t * m_cc_op;
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92 const uint8_t * m_cc_cb;
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93 const uint8_t * m_cc_ed;
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94 const uint8_t * m_cc_xy;
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95 const uint8_t * m_cc_xycb;
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96 const uint8_t * m_cc_ex;
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97 };
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98
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99 #define z80_invalidate_code_range(Z, S, E)
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100 #define z80_handle_code_write(A, Z)
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101
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102 void init_z80_opts(z80_options * options, memmap_chunk const * chunks, uint32_t num_chunks, memmap_chunk const * io_chunks, uint32_t num_io_chunks, uint32_t clock_divider, uint32_t io_address_mask);
2455662378ed Added MAME Z80 core, re-enabled 68K tracing in Musashi core, disabled a bunch of code gen stuff when using interpreters from MAME
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103 z80_context *init_z80_context(z80_options *opts);
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104 void z80_assert_reset(z80_context *z80, uint32_t cycle);
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105 void z80_clear_reset(z80_context *z80, uint32_t cycle);
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106 void z80_assert_busreq(z80_context *z80, uint32_t cycle);
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107 void z80_clear_busreq(z80_context *z80, uint32_t cycle);
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108 void z80_run(z80_context *z80, uint32_t target_cycle);
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109 uint8_t z80_get_busack(z80_context * context, uint32_t cycle);
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110 void z80_adjust_cycles(z80_context * context, uint32_t deduction);
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111 void z80_serialize(z80_context *context, serialize_buffer *buf);
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112 void z80_deserialize(deserialize_buffer *buf, void *vcontext);
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113 void z80_options_free(z80_options *opts);
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114 void z80_assert_nmi(z80_context *context, uint32_t cycle);
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115
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116 #endif /* __Z80_H__ */