Mercurial > repos > blastem

annotate m68k_internal.h @ 581:9f40aa5243c2

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Combine implementations of lea and pea. Update bit instructions to use the op_ family of functions to simplify their implementation a bit.
author Michael Pavone <pavone@retrodev.com>
date Wed, 05 Mar 2014 19:26:53 -0800
parents a6f2db4df70d
children c05fcbfe1b1a
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
570
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1 /*
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
2 Copyright 2014 Michael Pavone
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
3 This file is part of BlastEm.
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
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.
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
5 */
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
6 #ifndef M68K_INTERNAL_H_
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
7 #define M68K_INTERNAL_H_
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
8
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
9 #include "68kinst.h"
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
10
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
11 //functions implemented in host CPU specfic file
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
12 void translate_out_of_bounds(code_info *code);
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
13 void check_code_prologue(code_info *code);
574
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts
Michael Pavone <pavone@retrodev.com>
parents: 570
diff changeset
14 void areg_to_native(m68k_options *opts, uint8_t reg, uint8_t native_reg);
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts
Michael Pavone <pavone@retrodev.com>
parents: 570
diff changeset
15 void dreg_to_native(m68k_options *opts, uint8_t reg, uint8_t native_reg);
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts
Michael Pavone <pavone@retrodev.com>
parents: 570
diff changeset
16 void areg_to_native_sx(m68k_options *opts, uint8_t reg, uint8_t native_reg);
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts
Michael Pavone <pavone@retrodev.com>
parents: 570
diff changeset
17 void dreg_to_native_sx(m68k_options *opts, uint8_t reg, uint8_t native_reg);
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts
Michael Pavone <pavone@retrodev.com>
parents: 570
diff changeset
18 void native_to_areg(m68k_options *opts, uint8_t native_reg, uint8_t reg);
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts
Michael Pavone <pavone@retrodev.com>
parents: 570
diff changeset
19 void native_to_dreg(m68k_options *opts, uint8_t native_reg, uint8_t reg);
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts
Michael Pavone <pavone@retrodev.com>
parents: 570
diff changeset
20 void ldi_areg(m68k_options *opts, int32_t value, uint8_t reg);
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts
Michael Pavone <pavone@retrodev.com>
parents: 570
diff changeset
21 void ldi_native(m68k_options *opts, int32_t value, uint8_t reg);
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts
Michael Pavone <pavone@retrodev.com>
parents: 570
diff changeset
22 void addi_areg(m68k_options *opts, int32_t val, uint8_t reg);
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts
Michael Pavone <pavone@retrodev.com>
parents: 570
diff changeset
23 void subi_areg(m68k_options *opts, int32_t val, uint8_t reg);
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts
Michael Pavone <pavone@retrodev.com>
parents: 570
diff changeset
24 void add_areg_native(m68k_options *opts, uint8_t reg, uint8_t native_reg);
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts
Michael Pavone <pavone@retrodev.com>
parents: 570
diff changeset
25 void add_dreg_native(m68k_options *opts, uint8_t reg, uint8_t native_reg);
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts
Michael Pavone <pavone@retrodev.com>
parents: 570
diff changeset
26 void calc_areg_displace(m68k_options *opts, m68k_op_info *op, uint8_t native_reg);
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts
Michael Pavone <pavone@retrodev.com>
parents: 570
diff changeset
27 void calc_index_disp8(m68k_options *opts, m68k_op_info *op, uint8_t native_reg);
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts
Michael Pavone <pavone@retrodev.com>
parents: 570
diff changeset
28 void calc_areg_index_disp8(m68k_options *opts, m68k_op_info *op, uint8_t native_reg);
570
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
29
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
30 //functions implemented in m68k_core.c
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
31 int8_t native_reg(m68k_op_info * op, m68k_options * opts);
574
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts
Michael Pavone <pavone@retrodev.com>
parents: 570
diff changeset
32 size_t dreg_offset(uint8_t reg);
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts
Michael Pavone <pavone@retrodev.com>
parents: 570
diff changeset
33 size_t areg_offset(uint8_t reg);
570
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
34 size_t reg_offset(m68k_op_info *op);
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
35 void print_regs_exit(m68k_context * context);
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
36 void m68k_read_size(m68k_options *opts, uint8_t size);
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
37 void m68k_write_size(m68k_options *opts, uint8_t size);
574
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts
Michael Pavone <pavone@retrodev.com>
parents: 570
diff changeset
38 void push_const(m68k_options *opts, int32_t value);
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts
Michael Pavone <pavone@retrodev.com>
parents: 570
diff changeset
39 void jump_m68k_abs(m68k_options * opts, uint32_t address);
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts
Michael Pavone <pavone@retrodev.com>
parents: 570
diff changeset
40 void swap_ssp_usp(m68k_options * opts);
570
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
41 code_ptr get_native_address(native_map_slot * native_code_map, uint32_t address);
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
42 void map_native_address(m68k_context * context, uint32_t address, code_ptr native_addr, uint8_t size, uint8_t native_size);
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
43 uint8_t get_native_inst_size(m68k_options * opts, uint32_t address);
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
44 uint8_t m68k_is_terminal(m68kinst * inst);
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
45 void m68k_handle_deferred(m68k_context * context);
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
46 code_ptr get_native_address_trans(m68k_context * context, uint32_t address);
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
47
574
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts
Michael Pavone <pavone@retrodev.com>
parents: 570
diff changeset
48 //individual instructions
581
9f40aa5243c2 Combine implementations of lea and pea. Update bit instructions to use the op_ family of functions to simplify their implementation a bit.
Michael Pavone <pavone@retrodev.com>
parents: 576
diff changeset
49 void translate_m68k_lea_pea(m68k_options * opts, m68kinst * inst);
574
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts
Michael Pavone <pavone@retrodev.com>
parents: 570
diff changeset
50 void translate_m68k_bsr(m68k_options * opts, m68kinst * inst);
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts
Michael Pavone <pavone@retrodev.com>
parents: 570
diff changeset
51 void translate_m68k_jmp_jsr(m68k_options * opts, m68kinst * inst);
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts
Michael Pavone <pavone@retrodev.com>
parents: 570
diff changeset
52 void translate_m68k_unlk(m68k_options * opts, m68kinst * inst);
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts
Michael Pavone <pavone@retrodev.com>
parents: 570
diff changeset
53 void translate_m68k_link(m68k_options * opts, m68kinst * inst);
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts
Michael Pavone <pavone@retrodev.com>
parents: 570
diff changeset
54 void translate_m68k_rts(m68k_options * opts, m68kinst * inst);
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts
Michael Pavone <pavone@retrodev.com>
parents: 570
diff changeset
55 void translate_m68k_rtr(m68k_options *opts, m68kinst * inst);
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts
Michael Pavone <pavone@retrodev.com>
parents: 570
diff changeset
56 void translate_m68k_trap(m68k_options *opts, m68kinst *inst);
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts
Michael Pavone <pavone@retrodev.com>
parents: 570
diff changeset
57
576
a6f2db4df70d Small refactor to flag handling in 68K core
Michael Pavone <pavone@retrodev.com>
parents: 574
diff changeset
58 //flag update bits
a6f2db4df70d Small refactor to flag handling in 68K core
Michael Pavone <pavone@retrodev.com>
parents: 574
diff changeset
59 #define X0 0x0001
a6f2db4df70d Small refactor to flag handling in 68K core
Michael Pavone <pavone@retrodev.com>
parents: 574
diff changeset
60 #define X1 0x0002
a6f2db4df70d Small refactor to flag handling in 68K core
Michael Pavone <pavone@retrodev.com>
parents: 574
diff changeset
61 #define X 0x0004
a6f2db4df70d Small refactor to flag handling in 68K core
Michael Pavone <pavone@retrodev.com>
parents: 574
diff changeset
62 #define N0 0x0008
a6f2db4df70d Small refactor to flag handling in 68K core
Michael Pavone <pavone@retrodev.com>
parents: 574
diff changeset
63 #define N1 0x0010
a6f2db4df70d Small refactor to flag handling in 68K core
Michael Pavone <pavone@retrodev.com>
parents: 574
diff changeset
64 #define N 0x0020
a6f2db4df70d Small refactor to flag handling in 68K core
Michael Pavone <pavone@retrodev.com>
parents: 574
diff changeset
65 #define Z0 0x0040
a6f2db4df70d Small refactor to flag handling in 68K core
Michael Pavone <pavone@retrodev.com>
parents: 574
diff changeset
66 #define Z1 0x0080
a6f2db4df70d Small refactor to flag handling in 68K core
Michael Pavone <pavone@retrodev.com>
parents: 574
diff changeset
67 #define Z 0x0100
a6f2db4df70d Small refactor to flag handling in 68K core
Michael Pavone <pavone@retrodev.com>
parents: 574
diff changeset
68 #define V0 0x0200
a6f2db4df70d Small refactor to flag handling in 68K core
Michael Pavone <pavone@retrodev.com>
parents: 574
diff changeset
69 #define V1 0x0400
a6f2db4df70d Small refactor to flag handling in 68K core
Michael Pavone <pavone@retrodev.com>
parents: 574
diff changeset
70 #define V 0x0800
a6f2db4df70d Small refactor to flag handling in 68K core
Michael Pavone <pavone@retrodev.com>
parents: 574
diff changeset
71 #define C0 0x1000
a6f2db4df70d Small refactor to flag handling in 68K core
Michael Pavone <pavone@retrodev.com>
parents: 574
diff changeset
72 #define C1 0x2000
a6f2db4df70d Small refactor to flag handling in 68K core
Michael Pavone <pavone@retrodev.com>
parents: 574
diff changeset
73 #define C 0x4000
a6f2db4df70d Small refactor to flag handling in 68K core
Michael Pavone <pavone@retrodev.com>
parents: 574
diff changeset
74
574
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts
Michael Pavone <pavone@retrodev.com>
parents: 570
diff changeset
75 #define BUS 4
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts
Michael Pavone <pavone@retrodev.com>
parents: 570
diff changeset
76 #define PREDEC_PENALTY 2
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts
Michael Pavone <pavone@retrodev.com>
parents: 570
diff changeset
77 extern char disasm_buf[1024];
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts
Michael Pavone <pavone@retrodev.com>
parents: 570
diff changeset
78
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts
Michael Pavone <pavone@retrodev.com>
parents: 570
diff changeset
79 m68k_context * sync_components(m68k_context * context, uint32_t address);
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts
Michael Pavone <pavone@retrodev.com>
parents: 570
diff changeset
80
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts
Michael Pavone <pavone@retrodev.com>
parents: 570
diff changeset
81 void m68k_invalid();
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts
Michael Pavone <pavone@retrodev.com>
parents: 570
diff changeset
82 void bcd_add();
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts
Michael Pavone <pavone@retrodev.com>
parents: 570
diff changeset
83 void bcd_sub();
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts
Michael Pavone <pavone@retrodev.com>
parents: 570
diff changeset
84
570
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
85 #endif //M68K_INTERNAL_H_