mirror of https://github.com/bsnes-emu/bsnes.git
commit
6176befecb
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@ -1,4 +1,5 @@
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#include <stdio.h>
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#include <string.h>
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#include <stdbool.h>
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#include <unistd.h>
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#include <time.h>
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@ -81,7 +82,7 @@ static retro_input_poll_t input_poll_cb;
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static retro_input_state_t input_state_cb;
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static unsigned emulated_devices = 1;
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static unsigned pre_init = 1;
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static bool initialized = false;
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static unsigned screen_layout = 0;
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static unsigned audio_out = 0;
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@ -116,6 +117,25 @@ static void fallback_log(enum retro_log_level level, const char *fmt, ...)
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static struct retro_rumble_interface rumble;
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static void extract_basename(char *buf, const char *path, size_t size)
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{
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const char *base = strrchr(path, '/');
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if (!base)
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base = strrchr(path, '\\');
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if (!base)
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base = path;
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if (*base == '\\' || *base == '/')
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base++;
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strncpy(buf, base, size - 1);
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buf[size - 1] = '\0';
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char *ext = strrchr(buf, '.');
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if (ext)
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*ext = '\0';
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}
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static void GB_update_keys_status(GB_gameboy_t *gb, unsigned port)
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{
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@ -201,40 +221,43 @@ static uint32_t rgb_encode(GB_gameboy_t *gb, uint8_t r, uint8_t g, uint8_t b)
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static retro_environment_t environ_cb;
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static const struct retro_variable vars[] = {
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{ "sameboy_dual", "Dual Game Boy Mode (restart); disabled|enabled" },
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{ "sameboy_color_correction_mode", "Color Correction; off|correct curves|emulate hardware|preserve brightness" },
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{ "sameboy_high_pass_filter_mode", "High Pass Filter; off|accurate|remove dc offset" },
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{ "sameboy_model", "Emulated Model; Game Boy Color|Game Boy Advance|Auto|Game Boy" },
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/* variables for single cart mode */
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static const struct retro_variable vars_single[] = {
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{ "sameboy_dual", "Single cart dual mode (reload); disabled|enabled" },
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{ "sameboy_color_correction_mode", "Color correction; off|correct curves|emulate hardware|preserve brightness" },
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{ "sameboy_high_pass_filter_mode", "High-pass filter; off|accurate|remove dc offset" },
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{ "sameboy_model", "Emulated model (reload); Game Boy Color|Game Boy Advance|Auto|Game Boy" },
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{ NULL }
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};
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static const struct retro_variable vars_sameboy_dual[] = {
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{ "sameboy_dual", "Dual Game Boy Mode (restart); disabled|enabled" },
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{ "sameboy_link", "Link Cable Emulation; enabled|disabled" },
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/* variables for single cart dual gameboy mode */
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static const struct retro_variable vars_single_dual[] = {
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{ "sameboy_dual", "Single cart dual mode (reload); disabled|enabled" },
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{ "sameboy_link", "Link cable emulation; enabled|disabled" },
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/*{ "sameboy_ir", "Infrared Sensor Emulation; disabled|enabled" },*/
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{ "sameboy_screen_layout", "Screen Layout; top-down|left-right" },
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{ "sameboy_screen_layout", "Screen layout; top-down|left-right" },
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{ "sameboy_audio_output", "Audio output; Game Boy #1|Game Boy #2" },
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{ "sameboy_model_1", "Emulated Model for Game Boy #1; Game Boy Color|Game Boy Advance|Auto|Game Boy" },
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{ "sameboy_model_2", "Emulated Model for Game Boy #2; Game Boy Color|Game Boy Advance|Auto|Game Boy" },
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{ "sameboy_color_correction_mode_1", "Color Correction for Game Boy #1; off|correct curves|emulate hardware|preserve brightness" },
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{ "sameboy_color_correction_mode_2", "Color Correction for Game Boy #2; off|correct curves|emulate hardware|preserve brightness" },
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{ "sameboy_high_pass_filter_mode_1", "High Pass Filter for Game Boy #1; off|accurate|remove dc offset" },
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{ "sameboy_high_pass_filter_mode_2", "High Pass Filter for Game Boy #2; off|accurate|remove dc offset" },
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{ "sameboy_model_1", "Emulated model for Game Boy #1 (reload); Game Boy Color|Game Boy Advance|Auto|Game Boy" },
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{ "sameboy_model_2", "Emulated model for Game Boy #2 (reload); Game Boy Color|Game Boy Advance|Auto|Game Boy" },
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{ "sameboy_color_correction_mode_1", "Color correction for Game Boy #1; off|correct curves|emulate hardware|preserve brightness" },
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{ "sameboy_color_correction_mode_2", "Color correction for Game Boy #2; off|correct curves|emulate hardware|preserve brightness" },
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{ "sameboy_high_pass_filter_mode_1", "High-pass filter for Game Boy #1; off|accurate|remove dc offset" },
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{ "sameboy_high_pass_filter_mode_2", "High-pass filter for Game Boy #2; off|accurate|remove dc offset" },
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{ NULL }
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};
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static const struct retro_variable vars_link_dual[] = {
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{ "sameboy_link", "Link Cable Emulation; enabled|disabled" },
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/* variables for dual cart dual gameboy mode */
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static const struct retro_variable vars_dual[] = {
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{ "sameboy_link", "Link cable emulation; enabled|disabled" },
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/*{ "sameboy_ir", "Infrared Sensor Emulation; disabled|enabled" },*/
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{ "sameboy_screen_layout", "Screen Layout; top-down|left-right" },
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{ "sameboy_screen_layout", "Screen layout; top-down|left-right" },
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{ "sameboy_audio_output", "Audio output; Game Boy #1|Game Boy #2" },
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{ "sameboy_model_1", "Emulated Model for Game Boy #1; Game Boy Color|Game Boy Advance|Auto|Game Boy" },
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{ "sameboy_model_2", "Emulated Model for Game Boy #2; Game Boy Color|Game Boy Advance|Auto|Game Boy" },
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{ "sameboy_color_correction_mode_1", "Color Correction for Game Boy #1; off|correct curves|emulate hardware|preserve brightness" },
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{ "sameboy_color_correction_mode_2", "Color Correction for Game Boy #2; off|correct curves|emulate hardware|preserve brightness" },
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{ "sameboy_high_pass_filter_mode_1", "High Pass Filter for Game Boy #1; off|accurate|remove dc offset" },
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{ "sameboy_high_pass_filter_mode_2", "High Pass Filter for Game Boy #2; off|accurate|remove dc offset" },
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{ "sameboy_model_1", "Emulated model for Game Boy #1 (reload); Game Boy Color|Game Boy Advance|Auto|Game Boy" },
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{ "sameboy_model_2", "Emulated model for Game Boy #2 (reload); Game Boy Color|Game Boy Advance|Auto|Game Boy" },
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{ "sameboy_color_correction_mode_1", "Color correction for Game Boy #1; off|correct curves|emulate hardware|preserve brightness" },
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{ "sameboy_color_correction_mode_2", "Color correction for Game Boy #2; off|correct curves|emulate hardware|preserve brightness" },
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{ "sameboy_high_pass_filter_mode_1", "High-pass filter for Game Boy #1; off|accurate|remove dc offset" },
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{ "sameboy_high_pass_filter_mode_2", "High-pass filter for Game Boy #2; off|accurate|remove dc offset" },
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{ NULL }
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};
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@ -418,10 +441,6 @@ static void check_variables(bool link)
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else
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new_model = MODEL_AUTO;
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if (GB_is_inited(&gameboy[0]) && new_model != model[0]) {
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model[0] = new_model;
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init_for_current_model();
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}
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model[0] = new_model;
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}
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}
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@ -492,11 +511,7 @@ static void check_variables(bool link)
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new_model = MODEL_AGB;
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else
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new_model = MODEL_AUTO;
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if (GB_is_inited(&gameboy[0]) && new_model != model[0]) {
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model[0] = new_model;
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init_for_current_model();
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}
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model[0] = new_model;
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}
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@ -513,11 +528,7 @@ static void check_variables(bool link)
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new_model = MODEL_AGB;
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else
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new_model = MODEL_AUTO;
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if (GB_is_inited(&gameboy[1]) && new_model != model[1]) {
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model[1] = new_model;
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init_for_current_model();
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}
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model[1] = new_model;
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}
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@ -715,9 +726,10 @@ void retro_reset(void)
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void retro_run(void)
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{
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bool updated = false;
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if (pre_init)
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if (!initialized)
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geometry_updated = false;
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if (geometry_updated) {
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@ -727,8 +739,6 @@ void retro_run(void)
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environ_cb(RETRO_ENVIRONMENT_SET_GEOMETRY, &info.geometry);
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}
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pre_init = 0;
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if (!frame_buf)
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return;
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@ -769,17 +779,19 @@ void retro_run(void)
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video_cb(frame_buf_copy, VIDEO_WIDTH * emulated_devices, VIDEO_HEIGHT, VIDEO_WIDTH * emulated_devices * sizeof(uint32_t));
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}
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initialized = true;
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}
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bool retro_load_game(const struct retro_game_info *info)
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{
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environ_cb(RETRO_ENVIRONMENT_SET_VARIABLES, (void *)vars);
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environ_cb(RETRO_ENVIRONMENT_SET_VARIABLES, (void *)vars_single);
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check_variables(false);
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if (sameboy_dual)
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{
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emulated_devices = 2;
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mode = MODE_SINGLE_GAME_DUAL;
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environ_cb(RETRO_ENVIRONMENT_SET_VARIABLES, (void *)vars_sameboy_dual);
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environ_cb(RETRO_ENVIRONMENT_SET_VARIABLES, (void *)vars_single_dual);
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check_variables(true);
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}
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else
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@ -821,11 +833,36 @@ bool retro_load_game(const struct retro_game_info *info)
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log_cb(RETRO_LOG_INFO, "Rumble environment not supported\n");
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check_variables(emulated_devices == 2 ? true : false);
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/* hack: use upstream's file based I/O for Game Boy 2 battery in single cart mode */
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if (mode == MODE_SINGLE_GAME_DUAL)
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{
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char path[PATH_MAX];
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char file[PATH_MAX];
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extract_basename(file, retro_game_path, sizeof(file));
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snprintf (path, sizeof(path), "%s%c%s.srm.2", retro_save_directory, slash, file);
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log_cb(RETRO_LOG_INFO, "Loading battery for Game Boy 2 from: %s\n", path);
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GB_load_battery(&gameboy[1], path);
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}
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return true;
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}
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void retro_unload_game(void)
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{
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/* hack: use upstream's file based I/O for Game Boy 2 battery in single cart mode */
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if (mode == MODE_SINGLE_GAME_DUAL)
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{
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char path[PATH_MAX];
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char file[PATH_MAX];
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extract_basename(file, retro_game_path, sizeof(file));
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snprintf (path, sizeof(path), "%s%c%s.srm.2", retro_save_directory, slash, file);
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log_cb(RETRO_LOG_INFO, "Saving battery for Game Boy 2 to: %s\n", path);
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GB_save_battery(&gameboy[1], path);
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}
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for (int i = 0; i < emulated_devices; i++)
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GB_free(&gameboy[i]);
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}
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@ -846,7 +883,7 @@ bool retro_load_game_special(unsigned type, const struct retro_game_info *info,
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else
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return false; /* all other types are unhandled for now */
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environ_cb(RETRO_ENVIRONMENT_SET_VARIABLES, (void *)vars_link_dual);
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environ_cb(RETRO_ENVIRONMENT_SET_VARIABLES, (void *)vars_dual);
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check_variables(true);
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frame_buf = (uint32_t*)malloc(emulated_devices * VIDEO_PIXELS * sizeof(uint32_t));
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@ -897,18 +934,21 @@ size_t retro_serialize_size(void)
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bool retro_serialize(void *data, size_t size)
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{
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if (pre_init == 1)
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if (!initialized)
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return false;
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void* save_data[2];
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size_t state_size[2];
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size_t offset = 0;
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for (int i = 0; i < emulated_devices; i++)
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{
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state_size[i] = GB_get_save_state_size(&gameboy[i]);
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save_data[i] = (uint8_t*)malloc(state_size[i]);
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GB_save_state_to_buffer(&gameboy[i], (uint8_t*) save_data[i]);
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memcpy(data + (state_size[i] * i), save_data[i], state_size[i]);
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memcpy(data + offset, save_data[i], state_size[i]);
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offset += state_size[i];
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free(save_data[i]);
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}
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@ -973,7 +1013,7 @@ void *retro_get_memory_data(unsigned type)
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}
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}
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break;
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case MODE_DUAL_GAME: /* todo: hook up other memory types */
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case MODE_DUAL_GAME:
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{
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switch (type)
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{
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@ -989,6 +1029,18 @@ void *retro_get_memory_data(unsigned type)
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else
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data = NULL;
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break;
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case RETRO_MEMORY_GAMEBOY_1_RTC:
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if(gameboy[0].cartridge_type->has_battery)
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data = &gameboy[0].rtc_real;
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else
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data = NULL;
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break;
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case RETRO_MEMORY_GAMEBOY_2_RTC:
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if(gameboy[1].cartridge_type->has_battery)
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data = &gameboy[1].rtc_real;
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else
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data = NULL;
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break;
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default:
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break;
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}
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@ -1033,7 +1085,7 @@ size_t retro_get_memory_size(unsigned type)
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}
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}
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break;
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case MODE_DUAL_GAME: /* todo: hook up other memory types */
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case MODE_DUAL_GAME:
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{
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switch (type)
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{
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@ -1049,8 +1101,16 @@ size_t retro_get_memory_size(unsigned type)
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else
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size = 0;
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break;
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case RETRO_MEMORY_GAMEBOY_1_RTC:
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if(gameboy[0].cartridge_type->has_battery)
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size = sizeof (gameboy[0].rtc_real);
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break;
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case RETRO_MEMORY_GAMEBOY_2_RTC:
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if(gameboy[1].cartridge_type->has_battery)
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size = sizeof (gameboy[1].rtc_real);
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break;
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default:
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break;;
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break;
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}
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}
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break;
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