mirror of
https://github.com/libretro/RetroArch
synced 2025-02-05 06:40:07 +00:00
Add support for reading and writing core RAM over the command interfaces.
This commit is contained in:
Alcaro
parent
c63f11f6fd
commit
d845093c7b
122
cheevos.c
122
cheevos.c
@ -605,6 +605,68 @@ static unsigned cheevos_parse_operator(const char **memaddr)
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return op;
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}
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void cheevos_parse_guest_addr(cheevos_var_t *var, unsigned value)
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{
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rarch_system_info_t *system;
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runloop_ctl(RUNLOOP_CTL_SYSTEM_INFO_GET, &system);
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var->bank_id = -1;
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var->value = value;
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if (system->mmaps.num_descriptors != 0)
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{
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const struct retro_memory_descriptor *desc;
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const struct retro_memory_descriptor *end;
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if (cheevos_locals.console_id == CHEEVOS_CONSOLE_GAMEBOY_ADVANCE)
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{
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/* Patch the address to correctly map it to the mmaps */
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if (var->value < 0x8000)
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{
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/* Internal RAM */
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var->value += 0x3000000;
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}
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else
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{
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/* Work RAM */
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var->value += 0x2000000 - 0x8000;
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}
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}
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else if (cheevos_locals.console_id == CHEEVOS_CONSOLE_PC_ENGINE)
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{
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var->value += 0x1f0000;
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}
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desc = system->mmaps.descriptors;
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end = desc + system->mmaps.num_descriptors;
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for (; desc < end; desc++)
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{
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if ((var->value & desc->select) == desc->start)
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{
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var->bank_id = desc - system->mmaps.descriptors;
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var->value = var->value - desc->start + desc->offset;
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break;
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}
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}
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}
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else
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{
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unsigned i;
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for (i = 0; i < sizeof(cheevos_locals.meminfo) / sizeof(cheevos_locals.meminfo[0]); i++)
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{
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if (var->value < cheevos_locals.meminfo[i].size)
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{
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var->bank_id = i;
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break;
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}
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var->value -= cheevos_locals.meminfo[i].size;
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}
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}
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}
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static void cheevos_parse_var(cheevos_var_t *var, const char **memaddr)
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{
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char *end = NULL;
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@ -647,63 +709,7 @@ static void cheevos_parse_var(cheevos_var_t *var, const char **memaddr)
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if ( var->type == CHEEVOS_VAR_TYPE_ADDRESS
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|| var->type == CHEEVOS_VAR_TYPE_DELTA_MEM)
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{
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rarch_system_info_t *system;
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runloop_ctl(RUNLOOP_CTL_SYSTEM_INFO_GET, &system);
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var->bank_id = -1;
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if (system->mmaps.num_descriptors != 0)
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{
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const struct retro_memory_descriptor *desc;
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const struct retro_memory_descriptor *end;
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if (cheevos_locals.console_id == CHEEVOS_CONSOLE_GAMEBOY_ADVANCE)
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{
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/* Patch the address to correctly map it to the mmaps */
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if (var->value < 0x8000)
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{
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/* Internal RAM */
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var->value += 0x3000000;
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}
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else
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{
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/* Work RAM */
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var->value += 0x2000000 - 0x8000;
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}
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}
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else if (cheevos_locals.console_id == CHEEVOS_CONSOLE_PC_ENGINE)
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{
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var->value += 0x1f0000;
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}
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desc = system->mmaps.descriptors;
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end = desc + system->mmaps.num_descriptors;
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for (; desc < end; desc++)
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{
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if ((var->value & desc->select) == desc->start)
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{
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var->bank_id = desc - system->mmaps.descriptors;
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var->value = var->value - desc->start + desc->offset;
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break;
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}
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}
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}
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else
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{
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unsigned i;
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for (i = 0; i < sizeof(cheevos_locals.meminfo) / sizeof(cheevos_locals.meminfo[0]); i++)
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{
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if (var->value < cheevos_locals.meminfo[i].size)
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{
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var->bank_id = i;
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break;
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}
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var->value -= cheevos_locals.meminfo[i].size;
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}
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}
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cheevos_parse_guest_addr(var, var->value);
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#ifdef CHEEVOS_DUMP_ADDRS
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RARCH_LOG("CHEEVOS var %03d:%08X\n", var->bank_id + 1, var->value);
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#endif
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@ -1072,7 +1078,7 @@ static int cheevos_parse(const char *json)
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Test all the achievements (call once per frame).
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*****************************************************************************/
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static const uint8_t *cheevos_get_memory(const cheevos_var_t *var)
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uint8_t *cheevos_get_memory(const cheevos_var_t *var)
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{
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if (var->bank_id >= 0)
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{
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114
command.c
114
command.c
@ -102,6 +102,33 @@ struct command
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bool state[RARCH_BIND_LIST_END];
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};
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enum lastcmd_source_t { cmd_none, cmd_stdin, cmd_network };
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static int lastcmd_source_type;
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#if defined(HAVE_NETWORK_CMD) && defined(HAVE_NETPLAY)
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static int lastcmd_net_fd;
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static struct sockaddr_storage lastcmd_net_source;
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static socklen_t lastcmd_net_source_len;
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#endif
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static bool command_reply(const char * data, size_t len)
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{
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#ifdef HAVE_STDIN_CMD
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if (lastcmd_source_type == cmd_stdin)
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{
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fwrite(data, 1,len, stdout);
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return true;
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}
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#endif
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#if defined(HAVE_NETWORK_CMD) && defined(HAVE_NETPLAY)
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if (lastcmd_source_type == cmd_network)
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{
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sendto(lastcmd_net_fd, data, len, 0, (struct sockaddr*)&lastcmd_net_source, lastcmd_net_source_len);
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return true;
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}
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#endif
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return false;
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}
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struct cmd_map
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{
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const char *str;
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@ -157,8 +184,82 @@ static bool command_set_shader(const char *arg)
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return video_driver_set_shader(type, arg);
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}
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#ifdef HAVE_CHEEVOS
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typedef struct
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{
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unsigned size;
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unsigned type;
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int bank_id;
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unsigned value;
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unsigned previous;
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} cheevos_var_t;
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void cheevos_parse_guest_addr(cheevos_var_t *var, unsigned value);
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uint8_t *cheevos_get_memory(const cheevos_var_t *var);
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#endif
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static bool command_read_ram(const char *arg)
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{
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#ifdef HAVE_CHEEVOS
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cheevos_var_t var;
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const uint8_t * data;
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unsigned nbytes;
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int i;
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char reply[256];
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strcpy(reply, "READ_CORE_RAM ");
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char * reply_at = reply + strlen("READ_CORE_RAM ");
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strcpy(reply_at, arg);
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cheevos_parse_guest_addr(&var, strtoul(reply_at, (char**)&reply_at, 16));
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data = cheevos_get_memory(&var);
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nbytes = strtol(reply_at, NULL, 10);
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*reply_at = '\0';
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for (i=0;i<nbytes;i++)
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{
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sprintf(reply_at+3*i, " %.2X", data[i]);
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}
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reply_at[3*nbytes] = '\n';
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command_reply(reply, reply_at+3*nbytes+1 - reply);
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return true;
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#else
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return false;
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#endif
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}
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static bool command_write_ram(const char *arg)
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{
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#ifdef HAVE_CHEEVOS
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cheevos_var_t var;
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uint8_t * data;
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unsigned nbytes;
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int i;
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char reply[256];
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cheevos_parse_guest_addr(&var, strtoul(arg, (char**)&arg, 16));
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data = cheevos_get_memory(&var);
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while (*arg)
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{
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*data = strtoul(arg, (char**)&arg, 16);
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data++;
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}
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return true;
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#else
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return false;
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#endif
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}
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static const struct cmd_action_map action_map[] = {
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{ "SET_SHADER", command_set_shader, "<shader path>" },
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#ifdef HAVE_CHEEVOS
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{ "READ_CORE_RAM", command_read_ram, "<address> <number of bytes>" },
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{ "WRITE_CORE_RAM", command_write_ram, "<address> <byte1> <byte2> ..." },
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#endif
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};
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static const struct cmd_map map[] = {
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@ -182,7 +283,7 @@ static const struct cmd_map map[] = {
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{ "CHEAT_TOGGLE", RARCH_CHEAT_TOGGLE },
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{ "SCREENSHOT", RARCH_SCREENSHOT },
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{ "MUTE", RARCH_MUTE },
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{ "OSK", RARCH_OSK },
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{ "OSK", RARCH_OSK },
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{ "NETPLAY_FLIP", RARCH_NETPLAY_FLIP },
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{ "SLOWMOTION", RARCH_SLOWMOTION },
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{ "VOLUME_UP", RARCH_VOLUME_UP },
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@ -199,6 +300,7 @@ static const struct cmd_map map[] = {
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{ "MENU_RIGHT", RETRO_DEVICE_ID_JOYPAD_RIGHT },
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{ "MENU_A", RETRO_DEVICE_ID_JOYPAD_A },
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{ "MENU_B", RETRO_DEVICE_ID_JOYPAD_B },
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{ "MENU_B", RETRO_DEVICE_ID_JOYPAD_B },
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};
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static bool command_get_arg(const char *tok,
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@ -449,14 +551,20 @@ static void command_network_poll(command_t *handle)
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for (;;)
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{
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char buf[1024];
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lastcmd_source_type = cmd_network;
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lastcmd_net_fd = handle->net_fd;
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lastcmd_net_source_len = sizeof(lastcmd_net_source);
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ssize_t ret = recvfrom(handle->net_fd, buf,
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sizeof(buf) - 1, 0, NULL, NULL);
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sizeof(buf) - 1, 0, (struct sockaddr*)&lastcmd_net_source, &lastcmd_net_source_len);
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if (ret <= 0)
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break;
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buf[ret] = '\0';
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command_parse_msg(handle, buf);
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lastcmd_source_type = cmd_none;
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}
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}
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#endif
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@ -659,7 +767,9 @@ static void command_stdin_poll(command_t *handle)
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*last_newline++ = '\0';
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msg_len = last_newline - handle->stdin_buf;
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lastcmd_source_type = cmd_stdin;
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command_parse_msg(handle, handle->stdin_buf);
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lastcmd_source_type = cmd_none;
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memmove(handle->stdin_buf, last_newline,
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handle->stdin_buf_ptr - msg_len);
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