Mercurial > repos > blastem
annotate m68k_core.h @ 953:08346262990b
Remove the int number argument to vdp_int_ack since it is no longer used
author | Michael Pavone <pavone@retrodev.com> |
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date | Tue, 12 Apr 2016 21:38:24 -0700 |
parents | 252dfd29831d |
children | 902c53d9c16f |
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Added copyright notice to source files and added GPL license text in COPYING
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1 /* |
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2 Copyright 2013 Michael Pavone |
539
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Generate save_context and load_context functions at runtime
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3 This file is part of BlastEm. |
467
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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 */ |
569
9b7fcf748be0
Rename x86_68k_options and m68k_to_x86.h to m68k_options and m68k_core.h respectively
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6 #ifndef M68K_CORE_H_ |
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7 #define M68K_CORE_H_ |
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8 #include <stdint.h> |
197
7c227a8ec53d
Add instruction address logging to translator and support for reading an address log to the disassembler
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9 #include <stdio.h> |
557
acec5464fa1e
Rename x86_backend.h and x86_backend.c to backend.h and backend.c respectively
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10 #include "backend.h" |
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Tweaks to make blastem compatible with m68k-tester
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11 //#include "68kinst.h" |
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12 struct m68kinst; |
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13 |
776
cbf97d335444
Full support for Sega mapper when it comes to data. Code in remapped sections may not work reliably. SSF2 now works.
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726
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14 #define NUM_MEM_AREAS 8 |
86
3d3966c254b2
RTE doesn't crash the emulator anymore
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15 #define NATIVE_MAP_CHUNKS (64*1024) |
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16 #define NATIVE_CHUNK_SIZE ((16 * 1024 * 1024 / NATIVE_MAP_CHUNKS)/2) |
193
c66e4636f991
Implement support for self-modifying code
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17 #define MAX_NATIVE_SIZE 255 |
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18 |
837 | 19 #define M68K_OPT_BROKEN_READ_MODIFY 1 |
20 | |
540
4ca826862174
Generate m68k_start_context at runtime so it can use the generated load_context and save_context
Michael Pavone <pavone@retrodev.com>
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21 typedef void (*start_fun)(uint8_t * addr, void * context); |
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Generate m68k_start_context at runtime so it can use the generated load_context and save_context
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22 |
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23 typedef struct { |
558
dc9f178085a0
Use a typedef code_ptr in place of uint8_t * in 68K core to better support host instruction sets with different instruction word sizes. Make x86_68k_options contain a cpu_options so that gen_mem_fun can eventually be shared with the Z80 core.
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24 cpu_options gen; |
dc9f178085a0
Use a typedef code_ptr in place of uint8_t * in 68K core to better support host instruction sets with different instruction word sizes. Make x86_68k_options contain a cpu_options so that gen_mem_fun can eventually be shared with the Z80 core.
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25 |
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26 int8_t dregs[8]; |
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M68K to x86 translation works for a limited subset of instructions and addressing modes
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27 int8_t aregs[8]; |
539
c2716b502a81
Generate save_context and load_context functions at runtime
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28 int8_t flag_regs[5]; |
197
7c227a8ec53d
Add instruction address logging to translator and support for reading an address log to the disassembler
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29 FILE *address_log; |
558
dc9f178085a0
Use a typedef code_ptr in place of uint8_t * in 68K core to better support host instruction sets with different instruction word sizes. Make x86_68k_options contain a cpu_options so that gen_mem_fun can eventually be shared with the Z80 core.
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30 code_ptr read_16; |
dc9f178085a0
Use a typedef code_ptr in place of uint8_t * in 68K core to better support host instruction sets with different instruction word sizes. Make x86_68k_options contain a cpu_options so that gen_mem_fun can eventually be shared with the Z80 core.
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31 code_ptr write_16; |
dc9f178085a0
Use a typedef code_ptr in place of uint8_t * in 68K core to better support host instruction sets with different instruction word sizes. Make x86_68k_options contain a cpu_options so that gen_mem_fun can eventually be shared with the Z80 core.
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32 code_ptr read_8; |
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Use a typedef code_ptr in place of uint8_t * in 68K core to better support host instruction sets with different instruction word sizes. Make x86_68k_options contain a cpu_options so that gen_mem_fun can eventually be shared with the Z80 core.
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33 code_ptr write_8; |
dc9f178085a0
Use a typedef code_ptr in place of uint8_t * in 68K core to better support host instruction sets with different instruction word sizes. Make x86_68k_options contain a cpu_options so that gen_mem_fun can eventually be shared with the Z80 core.
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34 code_ptr read_32; |
dc9f178085a0
Use a typedef code_ptr in place of uint8_t * in 68K core to better support host instruction sets with different instruction word sizes. Make x86_68k_options contain a cpu_options so that gen_mem_fun can eventually be shared with the Z80 core.
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35 code_ptr write_32_lowfirst; |
dc9f178085a0
Use a typedef code_ptr in place of uint8_t * in 68K core to better support host instruction sets with different instruction word sizes. Make x86_68k_options contain a cpu_options so that gen_mem_fun can eventually be shared with the Z80 core.
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36 code_ptr write_32_highfirst; |
dc9f178085a0
Use a typedef code_ptr in place of uint8_t * in 68K core to better support host instruction sets with different instruction word sizes. Make x86_68k_options contain a cpu_options so that gen_mem_fun can eventually be shared with the Z80 core.
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37 code_ptr do_sync; |
dc9f178085a0
Use a typedef code_ptr in place of uint8_t * in 68K core to better support host instruction sets with different instruction word sizes. Make x86_68k_options contain a cpu_options so that gen_mem_fun can eventually be shared with the Z80 core.
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38 code_ptr trap; |
726
7367b14ac01c
Don't attempt to translate or map code at odd addresses. This fixes a bug that shows up when playing College Footbal USA 96
Michael Pavone <pavone@retrodev.com>
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39 code_ptr odd_address; |
540
4ca826862174
Generate m68k_start_context at runtime so it can use the generated load_context and save_context
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40 start_fun start_context; |
558
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Use a typedef code_ptr in place of uint8_t * in 68K core to better support host instruction sets with different instruction word sizes. Make x86_68k_options contain a cpu_options so that gen_mem_fun can eventually be shared with the Z80 core.
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41 code_ptr retrans_stub; |
dc9f178085a0
Use a typedef code_ptr in place of uint8_t * in 68K core to better support host instruction sets with different instruction word sizes. Make x86_68k_options contain a cpu_options so that gen_mem_fun can eventually be shared with the Z80 core.
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42 code_ptr native_addr; |
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Use a typedef code_ptr in place of uint8_t * in 68K core to better support host instruction sets with different instruction word sizes. Make x86_68k_options contain a cpu_options so that gen_mem_fun can eventually be shared with the Z80 core.
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43 code_ptr native_addr_and_sync; |
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Use a typedef code_ptr in place of uint8_t * in 68K core to better support host instruction sets with different instruction word sizes. Make x86_68k_options contain a cpu_options so that gen_mem_fun can eventually be shared with the Z80 core.
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44 code_ptr get_sr; |
dc9f178085a0
Use a typedef code_ptr in place of uint8_t * in 68K core to better support host instruction sets with different instruction word sizes. Make x86_68k_options contain a cpu_options so that gen_mem_fun can eventually be shared with the Z80 core.
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45 code_ptr set_sr; |
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Use a typedef code_ptr in place of uint8_t * in 68K core to better support host instruction sets with different instruction word sizes. Make x86_68k_options contain a cpu_options so that gen_mem_fun can eventually be shared with the Z80 core.
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46 code_ptr set_ccr; |
569
9b7fcf748be0
Rename x86_68k_options and m68k_to_x86.h to m68k_options and m68k_core.h respectively
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47 } m68k_options; |
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48 |
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49 typedef struct { |
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50 uint8_t flags[5]; |
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51 uint8_t status; |
317
e5e8b48ad157
Initial stab at horizontal interrupts and improving accuracy of vertical interrupts. Also added the VINT pending flag to status port.
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52 uint16_t int_ack; |
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53 uint32_t dregs[8]; |
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54 uint32_t aregs[9]; |
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55 uint32_t target_cycle; //cycle at which the next synchronization or interrupt occurs |
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56 uint32_t current_cycle; |
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Implement a couple of supervisor instructions
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57 uint32_t sync_cycle; |
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6331ddec228f
Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested).
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58 uint32_t int_cycle; |
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Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested).
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59 uint32_t int_num; |
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60 uint16_t *mem_pointers[NUM_MEM_AREAS]; |
883
9f149f0e98b7
It is now possible to switch back and forth between the menu ROM and the game
Michael Pavone <pavone@retrodev.com>
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874
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61 code_ptr resume_pc; |
18
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62 native_map_slot *native_code_map; |
653
a18e3923481e
Remove some of the hard coded assumptions about the memory map from the CPU cores
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63 m68k_options *options; |
288
a8ee7934a1f8
Add a YM2612 stub implementation with just timers and status registers so that games that depend on it can run.
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64 void *system; |
846
98d7b6073163
Implement interrupt latency. Fixes Sesame Street: Counting Cafe and gives accurate results in my test ROM
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65 uint8_t int_pending; |
872
7022ba865cfd
Initial work for allowing loading a ROM from menu
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66 uint8_t should_return; |
690
fc04781f4d28
Removed hardcoded assumptions in M68K core about which parts of the memory map are RAM
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67 uint8_t ram_code_flags[]; |
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68 } m68k_context; |
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69 |
569
9b7fcf748be0
Rename x86_68k_options and m68k_to_x86.h to m68k_options and m68k_core.h respectively
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70 void translate_m68k(m68k_options * opts, struct m68kinst * inst); |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
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71 void translate_m68k_stream(uint32_t address, m68k_context * context); |
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72 void start_68k_context(m68k_context * context, uint32_t address); |
883
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It is now possible to switch back and forth between the menu ROM and the game
Michael Pavone <pavone@retrodev.com>
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874
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73 void resume_68k(m68k_context *context); |
667
30ccf56842d6
All cycle counters are now based off the master clock. This seems to have messed up Z80 interrupt timing (music in Sonic 2 is too slow for instance), but things are generally working
Michael Pavone <pavone@retrodev.com>
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74 void init_m68k_opts(m68k_options * opts, memmap_chunk * memmap, uint32_t num_chunks, uint32_t clock_divider); |
690
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Removed hardcoded assumptions in M68K core about which parts of the memory map are RAM
Michael Pavone <pavone@retrodev.com>
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667
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75 m68k_context * init_68k_context(m68k_options * opts); |
54
3b79cbcf6846
Get Flavio's color bar demo kind of sort of working
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76 void m68k_reset(m68k_context * context); |
884
252dfd29831d
Selecting a second game from the menu now works
Michael Pavone <pavone@retrodev.com>
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883
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77 void m68k_options_free(m68k_options *opts); |
184
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Fix a bunch of bugs in the CPU core, add a 68K debugger
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78 void insert_breakpoint(m68k_context * context, uint32_t address, uint8_t * bp_handler); |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
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79 void remove_breakpoint(m68k_context * context, uint32_t address); |
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Tweaks to make blastem compatible with m68k-tester
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80 m68k_context * m68k_handle_code_write(uint32_t address, m68k_context * context); |
566
624dd5106060
Add backtrace (bt) command to 68K debugger
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81 uint32_t get_instruction_start(native_map_slot * native_code_map, uint32_t address); |
54
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Get Flavio's color bar demo kind of sort of working
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82 |
569
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Rename x86_68k_options and m68k_to_x86.h to m68k_options and m68k_core.h respectively
Michael Pavone <pavone@retrodev.com>
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83 #endif //M68K_CORE_H_ |
198
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Add support for breaking into the debugger while game is running
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84 |