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libretro.c
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#include "libretro.h"
#include <assert.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <stdint.h>
#include <ctype.h>
#include <retro_miscellaneous.h>
#include "Properties.h"
#include "ArchFile.h"
#include "VideoRender.h"
#include "AudioMixer.h"
#include "Casette.h"
#include "PrinterIO.h"
#include "UartIO.h"
#include "MidiIO.h"
#include "Machine.h"
#include "Board.h"
#include "Emulator.h"
#include "FileHistory.h"
#include "Actions.h"
#include "Language.h"
#include "LaunchFile.h"
#include "ArchEvent.h"
#include "ArchSound.h"
#include "ArchNotifications.h"
#include "JoystickPort.h"
#include "InputEvent.h"
#include "R800.h"
#include "Src/Utils/SaveState.h"
#include "ziphelper.c"
#include "libretro_core_options.h"
retro_log_printf_t log_cb;
static retro_video_refresh_t video_cb;
static retro_input_poll_t input_poll_cb;
static retro_input_state_t input_state_cb;
static retro_environment_t environ_cb;
static bool libretro_supports_bitmasks = false;
static Properties* properties;
static Video* video;
static Mixer* mixer;
static uint16_t* image_buffer;
static unsigned image_buffer_base_width;
static unsigned image_buffer_current_width;
static unsigned image_buffer_height;
static unsigned width = 284;
static unsigned height = 240;
static int double_width;
static char msx_type[256];
static char msx_cartmapper[256];
static bool mapper_auto;
bool is_coleco, is_sega, is_spectra, is_auto, auto_rewind_cas;
static unsigned msx_vdp_synctype;
static bool msx_ym2413_enable;
static bool use_overscan = true;
int msx2_dif = 0;
bool use_keyboard_for_coleco;
int patch_coleco_rom = 0;
static int input_analog_deadzone = (int)(0.25f * (float)0x8000);
static void reevaluate_variables_io_sound(bool setToMixer);
void retro_set_video_refresh(retro_video_refresh_t cb) { video_cb = cb; }
void retro_set_input_poll(retro_input_poll_t cb) { input_poll_cb = cb; }
void retro_set_input_state(retro_input_state_t cb) { input_state_cb = cb; }
#ifdef LOG_PERFORMANCE
static struct retro_perf_callback perf_cb;
#define RETRO_PERFORMANCE_INIT(name) static struct retro_perf_counter name = {#name}; if (!name.registered) perf_cb.perf_register(&(name))
#define RETRO_PERFORMANCE_START(name) perf_cb.perf_start(&(name))
#define RETRO_PERFORMANCE_STOP(name) perf_cb.perf_stop(&(name))
#else
#define RETRO_PERFORMANCE_INIT(name)
#define RETRO_PERFORMANCE_START(name)
#define RETRO_PERFORMANCE_STOP(name)
#endif
#define RETRO_DEVICE_MAPPER RETRO_DEVICE_SUBCLASS(RETRO_DEVICE_JOYPAD, 1)
#define EC_KEYBOARD_KEYCOUNT 94
#ifdef _WIN32
#define SLASH '\\'
#else
#define SLASH '/'
#endif
#ifndef PATH_MAX
#define PATH_MAX 4096
#endif
static char base_dir[PATH_MAX];
/* .dsk support */
enum{
MEDIA_TYPE_CART = 0,
MEDIA_TYPE_TAPE,
MEDIA_TYPE_DISK,
MEDIA_TYPE_DISK_BUNDLE,
MEDIA_TYPE_OTHER,
MEDIA_NOT_AVAILABLE
};
void lower_string(char* str)
{
int i;
for (i=0; str[i]; i++)
str[i] = tolower(str[i]);
}
int get_media_type(const char* filename)
{
char workram[PATH_MAX];
const char *extension = NULL;
strcpy(workram, filename);
lower_string(workram);
extension = workram + strlen(workram) - 3;
if(strcmp(extension, "dsk") == 0){
if (is_auto)
strcpy(msx_type, "MSX2+");
return MEDIA_TYPE_DISK;
}
else if(strcmp(extension, "m3u") == 0){
if (is_auto)
strcpy(msx_type, "MSX2+");
return MEDIA_TYPE_DISK_BUNDLE;
}
else if(strcmp(extension, "cas") == 0){
if (is_auto)
strcpy(msx_type, "MSX2+");
return MEDIA_TYPE_TAPE;
}
else if(strcmp(extension, "rom") == 0){
if (is_auto)
strcpy(msx_type, "MSX2+");
return MEDIA_TYPE_CART;
}
else if(strcmp(extension, "mx1") == 0){
if (is_auto)
strcpy(msx_type, "MSX2+");
return MEDIA_TYPE_CART;
}
else if(strcmp(extension, "mx2") == 0){
if (is_auto)
strcpy(msx_type, "MSX2+");
return MEDIA_TYPE_CART;
}
else if(strcmp(extension, "col") == 0){
if (is_auto){
is_coleco = true;
strcpy(msx_type, "COL - ColecoVision");
}
return MEDIA_TYPE_CART;
}
else if(strcmp(extension, ".sg") == 0){
if (is_auto){
is_sega = true;
strcpy(msx_type, "SEGA - SG-1000");
}
return MEDIA_TYPE_CART;
}
else if(strcmp(extension, ".sc") == 0){
if (is_auto){
is_sega = true;
strcpy(msx_type, "SEGA - SC-3000");
}
return MEDIA_TYPE_CART;
}
else if(strcmp(extension, ".sf") == 0){
if (is_auto){
is_sega = true;
strcpy(msx_type, "SEGA - SF-7000");
}
return MEDIA_TYPE_CART;
}
else if(strcmp(extension, "sf7") == 0){
if (is_auto){
is_sega = true;
strcpy(msx_type, "SEGA - SF-7000");
}
return MEDIA_TYPE_CART;
}
else if(strcmp(extension, ".mv") == 0){
if (is_auto){
is_sega = true;
strcpy(msx_type, "Othello Multivision");
}
return MEDIA_TYPE_CART;
}
else if(strcmp(extension, "omv") == 0){
if (is_auto){
is_sega = true;
strcpy(msx_type, "Othello Multivision");
}
return MEDIA_TYPE_CART;
}
return MEDIA_TYPE_OTHER;
}
/* end .dsk support */
/* .dsk swap support */
struct retro_disk_control_callback dskcb;
unsigned disk_index = 0;
unsigned disk_images = 0;
char disk_paths[10][PATH_MAX];
bool disk_inserted = false;
bool set_eject_state(bool ejected)
{
disk_inserted = !ejected;
return true;
}
bool get_eject_state(void)
{
return !disk_inserted;
}
unsigned get_image_index(void)
{
return disk_index;
}
bool set_image_index(unsigned index)
{
disk_index = index;
if(disk_index == disk_images)
{
//retroarch is trying to set "no disk in tray"
return true;
}
emulatorSuspend();
insertDiskette(properties, 0 /*drive*/, disk_paths[disk_index] /*fname*/, NULL /*inZipFile*/, -1 /*forceAutostart, -1 is force no autostart*/);
emulatorResume();
return true;
}
unsigned get_num_images(void)
{
return disk_images;
}
bool add_image_index(void)
{
if (disk_images >= 10)
return false;
disk_images++;
return true;
}
bool replace_image_index(unsigned index,
const struct retro_game_info *info)
{
if(get_media_type(info->path) != MEDIA_TYPE_DISK)
return false; /* can't swap a cart or tape into a disk slot */
strcpy(disk_paths[index], info->path);
return true;
}
void attach_disk_swap_interface(void)
{
/* these functions are unused */
dskcb.set_eject_state = set_eject_state;
dskcb.get_eject_state = get_eject_state;
dskcb.set_image_index = set_image_index;
dskcb.get_image_index = get_image_index;
dskcb.get_num_images = get_num_images;
dskcb.add_image_index = add_image_index;
dskcb.replace_image_index = replace_image_index;
environ_cb(RETRO_ENVIRONMENT_SET_DISK_CONTROL_INTERFACE, &dskcb);
}
/* end .dsk swap support */
static bool read_m3u(const char *file)
{
char line[PATH_MAX];
char name[PATH_MAX];
FILE *f = fopen(file, "r");
if (!f)
return false;
while (fgets(line, sizeof(line), f)
&& disk_images <
sizeof(disk_paths) / sizeof(disk_paths[0]))
{
char *carriage_return = NULL;
char *newline = NULL;
if (line[0] == '#')
continue;
carriage_return = strchr(line, '\r');
if (carriage_return)
*carriage_return = '\0';
newline = strchr(line, '\n');
if (newline)
*newline = '\0';
if (line[0] != '\0')
{
snprintf(name, sizeof(name), "%s%c%s", base_dir, SLASH, line);
strcpy(disk_paths[disk_images], name);
disk_images++;
}
}
fclose(f);
return (disk_images != 0);
}
extern BoardInfo boardInfo;
#define MAX_PADS 2
static unsigned input_devices[MAX_PADS];
extern int eventMap[256];
static unsigned btn_map[EC_KEYCOUNT] =
{
RETROK_UNKNOWN, //EC_NONE 0
// ROW 0
RETROK_F1, //EC_F1 1
RETROK_F2, //EC_F2 2
RETROK_F3, //EC_F3 3
RETROK_F4, //EC_F4 4
RETROK_F5, //EC_F5 5
RETROK_END, //EC_STOP 6
RETROK_HOME, //EC_CLS 7
RETROK_PAGEUP, //EC_SELECT 8
RETROK_INSERT, //EC_INS 9
RETROK_DELETE, //EC_DEL 10
// ROW 1
RETROK_ESCAPE, //EC_ESC 11
RETROK_1, //EC_1 12
RETROK_2, //EC_2 13
RETROK_3, //EC_3 14
RETROK_4, //EC_4 15
RETROK_5, //EC_5 16
RETROK_6, //EC_6 17
RETROK_7, //EC_7 18
RETROK_8, //EC_8 19
RETROK_9, //EC_9 20
RETROK_0, //EC_0 21
RETROK_MINUS, //EC_NEG 22
RETROK_EQUALS, //EC_CIRCFLX 23
RETROK_BACKSLASH, //EC_BKSLASH 24 (YEN)
RETROK_BACKSPACE, //EC_BKSPACE 25
// ROW 2
RETROK_TAB, //EC_TAB 26
RETROK_q, //EC_Q 27
RETROK_w, //EC_W 28
RETROK_e, //EC_E 29
RETROK_r, //EC_R 30
RETROK_t, //EC_T 31
RETROK_y, //EC_Y 32
RETROK_u, //EC_U 33
RETROK_i, //EC_I 34
RETROK_o, //EC_O 35
RETROK_p, //EC_P 36
RETROK_BACKQUOTE, //EC_AT 37
RETROK_LEFTBRACKET, //EC_LBRACK 38
RETROK_RETURN, //EC_RETURN 39
// ROW 3
RETROK_LCTRL, //EC_CTRL 40
RETROK_a, //EC_A 41
RETROK_s, //EC_S 42
RETROK_d, //EC_D 43
RETROK_f, //EC_F 44
RETROK_g, //EC_G 45
RETROK_h, //EC_H 46
RETROK_j, //EC_J 47
RETROK_k, //EC_K 48
RETROK_l, //EC_L 49
RETROK_SEMICOLON, //EC_SEMICOL 50
RETROK_QUOTE, //EC_COLON 51
RETROK_RIGHTBRACKET, //EC_RBRACK 52
// ROW 4
RETROK_LSHIFT, //EC_LSHIFT 53
RETROK_z, //EC_Z 54
RETROK_x, //EC_X 55
RETROK_c, //EC_C 56
RETROK_v, //EC_V 57
RETROK_b, //EC_B 58
RETROK_n, //EC_N 59
RETROK_m, //EC_M 60
RETROK_COMMA, //EC_COMMA 61
RETROK_PERIOD, //EC_PERIOD 62
RETROK_SLASH, //EC_DIV 63
RETROK_UNDERSCORE, //EC_UNDSCRE 64
RETROK_RSHIFT, //EC_RSHIFT 65
// ROW 5
RETROK_CAPSLOCK, //EC_CAPS 66
RETROK_LALT, //EC_GRAPH 67
RETROK_UNKNOWN, //EC_TORIKE 68
RETROK_SPACE, //EC_SPACE 69
RETROK_UNKNOWN, //EC_JIKKOU 70
RETROK_UNKNOWN, //EC_CODE 71
RETROK_PAUSE, //EC_PAUSE 72
// ARROWS
RETROK_LEFT, //EC_LEFT 73
RETROK_UP, //EC_UP 74
RETROK_DOWN, //EC_DOWN 75
RETROK_RIGHT, //EC_RIGHT 76
// NUMERIC KEYBOARD
RETROK_KP7, //EC_NUM7 77
RETROK_KP8, //EC_NUM8 78
RETROK_KP9, //EC_NUM9 79
RETROK_KP_DIVIDE, //EC_NUMDIV 80
RETROK_KP4, //EC_NUM4 81
RETROK_KP5, //EC_NUM5 82
RETROK_KP6, //EC_NUM6 83
RETROK_KP_MULTIPLY, //EC_NUMMUL 84
RETROK_KP1, //EC_NUM1 85
RETROK_KP2, //EC_NUM2 86
RETROK_KP3, //EC_NUM3 87
RETROK_KP_MINUS, //EC_NUMSUB 88
RETROK_KP0, //EC_NUM0 89
RETROK_KP_ENTER, //EC_NUMPER 90
RETROK_KP_PERIOD, //EC_NUMCOM 91
RETROK_KP_PLUS, //EC_NUMADD 92
// SVI SPECIFIC KEYS
RETROK_PRINT, //EC_PRINT 93
RETROK_UNKNOWN,
RETROK_UNKNOWN,
RETROK_UNKNOWN,
RETROK_UNKNOWN,
RETROK_UNKNOWN,
RETROK_UNKNOWN,
RETRO_DEVICE_ID_JOYPAD_UP, //EC_JOY1_UP 100
RETRO_DEVICE_ID_JOYPAD_DOWN, //EC_JOY1_DOWN 101
RETRO_DEVICE_ID_JOYPAD_LEFT, //EC_JOY1_LEFT 102
RETRO_DEVICE_ID_JOYPAD_RIGHT, //EC_JOY1_RIGHT 103
RETRO_DEVICE_ID_JOYPAD_A, //EC_JOY1_BUTTON1 104
RETRO_DEVICE_ID_JOYPAD_B, //EC_JOY1_BUTTON2 105
RETRO_DEVICE_ID_JOYPAD_Y, //EC_JOY1_BUTTON3 106
RETRO_DEVICE_ID_JOYPAD_X, //EC_JOY1_BUTTON4 107
RETRO_DEVICE_ID_JOYPAD_START, //EC_JOY1_BUTTON5 108
RETRO_DEVICE_ID_JOYPAD_SELECT, //EC_JOY1_BUTTON6 109
RETRO_DEVICE_ID_JOYPAD_UP, //EC_JOY2_UP 110
RETRO_DEVICE_ID_JOYPAD_DOWN, //EC_JOY2_DOWN 111
RETRO_DEVICE_ID_JOYPAD_LEFT, //EC_JOY2_LEFT 112
RETRO_DEVICE_ID_JOYPAD_RIGHT, //EC_JOY2_RIGHT 113
RETRO_DEVICE_ID_JOYPAD_A, //EC_JOY2_BUTTON1 114
RETRO_DEVICE_ID_JOYPAD_B, //EC_JOY2_BUTTON2 115
RETRO_DEVICE_ID_JOYPAD_Y, //EC_JOY2_BUTTON3 116
RETRO_DEVICE_ID_JOYPAD_X, //EC_JOY2_BUTTON4 117
RETRO_DEVICE_ID_JOYPAD_START, //EC_JOY2_BUTTON5 118
RETRO_DEVICE_ID_JOYPAD_SELECT, //EC_JOY2_BUTTON6 119
RETROK_UNKNOWN, //EC_COLECO1_0 120
RETROK_UNKNOWN, //EC_COLECO1_1 121
RETROK_UNKNOWN, //EC_COLECO1_2 122
RETROK_UNKNOWN, //EC_COLECO1_3 123
RETROK_UNKNOWN, //EC_COLECO1_4 124
RETROK_UNKNOWN, //EC_COLECO1_5 125
RETROK_UNKNOWN, //EC_COLECO1_6 126
RETROK_UNKNOWN, //EC_COLECO1_7 127
RETROK_UNKNOWN, //EC_COLECO1_8 128
RETROK_UNKNOWN, //EC_COLECO1_9 129
RETROK_UNKNOWN, //EC_COLECO1_STAR 130
RETROK_UNKNOWN, //EC_COLECO1_HASH 131
RETROK_UNKNOWN, //EC_COLECO2_0 140
RETROK_UNKNOWN, //EC_COLECO2_1 141
RETROK_UNKNOWN, //EC_COLECO2_2 142
RETROK_UNKNOWN, //EC_COLECO2_3 143
RETROK_UNKNOWN, //EC_COLECO2_4 144
RETROK_UNKNOWN, //EC_COLECO2_5 145
RETROK_UNKNOWN, //EC_COLECO2_6 146
RETROK_UNKNOWN, //EC_COLECO2_7 147
RETROK_UNKNOWN, //EC_COLECO2_8 148
RETROK_UNKNOWN, //EC_COLECO2_9 149
RETROK_UNKNOWN, //EC_COLECO2_STAR 150
RETROK_UNKNOWN, //EC_COLECO2_HASH 151
};
void retro_get_system_info(struct retro_system_info *info)
{
info->library_name = "blueMSX";
#ifdef GIT_VERSION
info->library_version = "git" GIT_VERSION;
#else
info->library_version = "svn";
#endif
info->need_fullpath = true;
info->block_extract = false;
info->valid_extensions = "rom|ri|mx1|mx2|dsk|col|sg|sc|sf|cas|m3u";
}
void retro_get_system_av_info(struct retro_system_av_info *info)
{
width = use_overscan ? 272 : (272 - 16);
height = use_overscan ? 240 : (240 - 48 + (msx2_dif * 2));
info->geometry.base_width = width ;
info->geometry.base_height = height ;
info->geometry.max_width = FB_MAX_LINE_WIDTH ;
info->geometry.max_height = FB_MAX_LINES ;
info->geometry.aspect_ratio = 0;
info->timing.fps = (retro_get_region() == RETRO_REGION_NTSC) ? 60.0 : 50.0;
info->timing.sample_rate = 44100.0;
}
void init_input_descriptors(unsigned device){
struct retro_input_descriptor desc_retropad[] = {
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "Joy Left" },
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "Joy Up" },
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "Joy Down" },
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "Joy Right" },
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "1 / Coleco but.1" },
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "2 / Coleco but.2" },
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y, "3 / Coleco 2" },
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X, "4 / Coleco 1" },
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Coleco #" },
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT,"Coleco *" },
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L, "5 / Coleco 4" },
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R, "6 / Coleco 3" },
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2, "Coleco 6" },
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2, "Coleco 5" },
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L3, "Coleco 8" },
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R3, "Coleco 7" },
{ 0, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Coleco SAC but.3(-)/but.4(+)" },
{ 0, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X, "Coleco 9(-)/0(+)" },
{ 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "Joy Left" },
{ 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "Joy Up" },
{ 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "Joy Down" },
{ 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "Joy Right" },
{ 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "1 / Coleco but.1" },
{ 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "2 / Coleco but.2" },
{ 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y, "3 / Coleco 2" },
{ 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X, "4 / Coleco 1" },
{ 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Coleco #" },
{ 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT,"Coleco *" },
{ 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L, "5 / Coleco 4" },
{ 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R, "6 / Coleco 3" },
{ 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2, "Coleco 6" },
{ 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2, "Coleco 5" },
{ 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L3, "Coleco 8" },
{ 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R3, "Coleco 7" },
{ 1, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Coleco SAC but.3(-)/but.4(+)" },
{ 1, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X, "Coleco 8(-)/0(+)" },
{ 0, 0, 0, 0, NULL }
};
struct retro_input_descriptor desc[] = {
{ 0, 0, 0, 0, NULL }
};
/* Todo: RetroPad Keymapper binds */
if (device == RETRO_DEVICE_JOYPAD)
environ_cb(RETRO_ENVIRONMENT_SET_INPUT_DESCRIPTORS, desc_retropad);
else
environ_cb(RETRO_ENVIRONMENT_SET_INPUT_DESCRIPTORS, desc);
}
void retro_init(void)
{
int i;
struct retro_log_callback log;
if (environ_cb(RETRO_ENVIRONMENT_GET_LOG_INTERFACE, &log))
log_cb = log.log;
else
log_cb = NULL;
#ifdef LOG_PERFORMANCE
environ_cb(RETRO_ENVIRONMENT_GET_PERF_INTERFACE, &perf_cb);
#endif
memZipFileSystemCreate(1);
if (environ_cb(RETRO_ENVIRONMENT_GET_INPUT_BITMASKS, NULL))
libretro_supports_bitmasks = true;
}
void retro_deinit(void)
{
#ifdef LOG_PERFORMANCE
perf_cb.perf_log();
#endif
libretro_supports_bitmasks = false;
}
void retro_set_environment(retro_environment_t cb)
{
static const struct retro_controller_description port[] = {
{ "RetroPad", RETRO_DEVICE_JOYPAD },
{ "RetroKeyboard", RETRO_DEVICE_KEYBOARD },
{ "RetroPad Keyboard Map", RETRO_DEVICE_MAPPER },
{ 0 },
};
static const struct retro_controller_info ports[] = {
{ port, 3 },
{ port, 2 },
{ NULL, 0 },
};
bool no_content = true;
environ_cb = cb;
libretro_set_core_options(environ_cb);
cb(RETRO_ENVIRONMENT_SET_CONTROLLER_INFO, (void*)ports);
cb(RETRO_ENVIRONMENT_SET_SUPPORT_NO_GAME, &no_content);
}
void retro_set_controller_port_device(unsigned port, unsigned device)
{
/*there was a buffer overflow when retroarch called this function with a value greater than 1
corrupting the framebuffer pointer and crashing on first render(MAX_PADS == 2 so any index that is not [0,1] is an overflow)*/
if(port < MAX_PADS)
{
switch (device)
{
case RETRO_DEVICE_JOYPAD:
input_devices[port] = RETRO_DEVICE_JOYPAD;
init_input_descriptors(RETRO_DEVICE_JOYPAD);
break;
case RETRO_DEVICE_MAPPER:
input_devices[port] = RETRO_DEVICE_MAPPER;
init_input_descriptors(RETRO_DEVICE_MAPPER);
break;
case RETRO_DEVICE_KEYBOARD:
input_devices[port] = RETRO_DEVICE_KEYBOARD;
init_input_descriptors(RETRO_DEVICE_KEYBOARD);
break;
default:
if (log_cb)
log_cb(RETRO_LOG_ERROR, "%s\n", "[libretro]: Invalid device, setting type to RETRO_DEVICE_JOYPAD ...");
input_devices[port] = RETRO_DEVICE_JOYPAD;
}
}
}
void retro_reset(void)
{
actionEmuResetSoft();
/* Apply mapper override on reset, force mapper detection again */
if (properties->media.carts[0].fileName[0]){
if (!mapper_auto)
insertCartridge(properties, 0, properties->media.carts[0].fileName, properties->media.carts[0].fileNameInZip, mediaDbStringToType(msx_cartmapper), -1);
else
insertCartridge(properties, 0, properties->media.carts[0].fileName, properties->media.carts[0].fileNameInZip, 0, -1);
}
}
static void extract_directory(char *buf, const char *path, size_t size)
{
char *base = NULL;
strncpy(buf, path, size - 1);
buf[size - 1] = '\0';
base = strrchr(buf, '/');
if (!base)
base = strrchr(buf, '\\');
if (base)
*base = '\0';
else
buf[0] = '\0';
}
static void check_variables(bool can_change_machine_type)
{
struct retro_system_av_info av_info;
bool geometry_update = false;
struct retro_variable var;
if (can_change_machine_type)
{
var.key = "bluemsx_msxtype";
var.value = NULL;
is_auto = false;
is_coleco = false;
is_sega = false;
is_spectra = false;
if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
{
if (!strcmp(var.value, "ColecoVision"))
{
is_coleco = true;
strcpy(msx_type, "COL - ColecoVision");
}
else if (!strcmp(var.value, "Coleco (Spectravideo SVI-603)"))
{
is_coleco = true;
strcpy(msx_type, "COL - Spectravideo SVI-603 Coleco");
}
else if (strcmp(var.value, "Auto")) // Not auto
{
strcpy(msx_type, var.value);
if (!strncmp(var.value, "SEGA", 4))
is_sega = true;
if (!strncmp(var.value, "SVI", 3))
is_spectra = true;
}
else // Auto
{
is_auto = true;
is_sega = true;
strcpy(msx_type, "SEGA - SC-3000"); // Default machine
}
}
else // Variable not defined
{
is_auto = true;
// Sega machines don't work if not set right from the start
is_sega = true;
strcpy(msx_type, "SEGA - SC-3000");
}
}
var.key = "bluemsx_overscan";
var.value = NULL;
if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
{
bool newval = (!strcmp(var.value, "disabled"));
int msx2_dif_old = msx2_dif;
if (!strcmp(var.value, "MSX2"))
msx2_dif = 10;
else
msx2_dif = 0;
if (msx2_dif_old != msx2_dif)
geometry_update = true;
if (newval != use_overscan)
{
use_overscan = newval;
geometry_update = true;
}
}
var.key = "bluemsx_vdp_synctype";
var.value = NULL;
if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
{
if (!strcmp(var.value, "Auto"))
msx_vdp_synctype = P_VDP_SYNCAUTO;
else if (!strcmp(var.value, "50Hz"))
msx_vdp_synctype = P_VDP_SYNC50HZ;
else if (!strcmp(var.value, "60Hz"))
msx_vdp_synctype = P_VDP_SYNC60HZ;
}
else
msx_vdp_synctype = P_VDP_SYNCAUTO;
var.key = "bluemsx_nospritelimits";
var.value = NULL;
if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
{
if (!strcmp(var.value, "OFF"))
vdpSetNoSpriteLimits(0);
else
vdpSetNoSpriteLimits(1);
}
else
vdpSetNoSpriteLimits(0);
var.key = "bluemsx_ym2413_enable";
var.value = NULL;
if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
{
if (!strcmp(var.value, "disabled"))
msx_ym2413_enable = false;
else if (!strcmp(var.value, "enabled"))
msx_ym2413_enable = true;
}
else
msx_ym2413_enable = true;
var.key = "bluemsx_cartmapper";
var.value = NULL;
if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
{
if (!strcmp(var.value, "Auto"))
mapper_auto = true;
else
{
mapper_auto = false;
strcpy(msx_cartmapper, var.value);
}
}
var.key = "bluemsx_auto_rewind_cas";
var.value = NULL;
if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
{
if (!strcmp(var.value, "OFF"))
auto_rewind_cas = false;
else
auto_rewind_cas = true;
}
else
auto_rewind_cas = true;
var.key = "use_keyboard_for_coleco";
var.value = NULL;
if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
{
if (!strcmp(var.value, "disabled"))
use_keyboard_for_coleco = false;
else if (!strcmp(var.value, "enabled"))
use_keyboard_for_coleco = true;
}
else
use_keyboard_for_coleco = false;
var.key = "patch_coleco_rom";
var.value = NULL;
if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
{
if (!strcmp(var.value, "disabled"))
patch_coleco_rom = 0;
else if (!strcmp(var.value, "enabled"))
patch_coleco_rom = 1;
}
else
patch_coleco_rom = 0;
if (properties != NULL) // Avoid first run (check_variables() is called before propCreate())
{
reevaluate_variables_io_sound(true);
}
if (geometry_update)
{
retro_get_system_av_info(&av_info);
environ_cb(RETRO_ENVIRONMENT_SET_GEOMETRY, &av_info);
}
}
static void reevaluate_variables_io_sound(bool setToMixer)
{
struct retro_variable var;
var.key = "bluemsx_sound_io_enable";
var.value = NULL;
if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
{
if (!strcmp(var.value, "disabled"))
properties->sound.mixerChannel[MIXER_CHANNEL_IO].enable = 0;
else if (!strcmp(var.value, "enabled"))
properties->sound.mixerChannel[MIXER_CHANNEL_IO].enable = 1;
}
else
properties->sound.mixerChannel[MIXER_CHANNEL_IO].enable = 0;
if (setToMixer)
mixerEnableChannelType(mixer, MIXER_CHANNEL_IO, properties->sound.mixerChannel[MIXER_CHANNEL_IO].enable);
}
bool retro_load_game(const struct retro_game_info *info)
{
const char *save_dir = NULL;
int i, media_type;
char properties_dir[256], machines_dir[256], mediadb_dir[256];
const char *dir = NULL;
enum retro_pixel_format fmt = RETRO_PIXEL_FORMAT_RGB565;
if (!environ_cb(RETRO_ENVIRONMENT_SET_PIXEL_FORMAT, &fmt))
{
if (log_cb)
log_cb(RETRO_LOG_INFO, "%s\n", "RGB565 is not supported.");
return false;
}
if (!info && log_cb)
log_cb(RETRO_LOG_INFO, "Starting core without content\n");
image_buffer = (uint16_t*)malloc(FB_MAX_LINE_WIDTH*FB_MAX_LINES*sizeof(uint16_t));
image_buffer_base_width = 272;
image_buffer_current_width = image_buffer_base_width;
image_buffer_height = 240;
double_width = 0;
for (i = 0; i < MAX_PADS; i++)
input_devices[i] = RETRO_DEVICE_JOYPAD;
disk_index = 0;
disk_images = 0;
disk_inserted = false;
if (info)
extract_directory(base_dir, info->path, sizeof(base_dir));
check_variables(true); // msx_type from configuration
if (environ_cb(RETRO_ENVIRONMENT_GET_SYSTEM_DIRECTORY, &dir) && dir)
strcpy(properties_dir, dir);
else /* Fallback */
extract_directory(properties_dir, info->path, sizeof(properties_dir));
snprintf(machines_dir, sizeof(machines_dir), "%s%c%s", properties_dir, SLASH, "Machines");
snprintf(mediadb_dir, sizeof(mediadb_dir), "%s%c%s", properties_dir, SLASH, "Databases");
machineSetDirectory(machines_dir);
if(environ_cb(RETRO_ENVIRONMENT_GET_SAVE_DIRECTORY, &save_dir) && save_dir)
boardSetDirectory(save_dir);
#if 0
boardSetDirectory(buffer);
#endif
mediaDbLoad(mediadb_dir);
#if 0
mediaDbCreateRomdb();
mediaDbCreateDiskdb();
mediaDbCreateCasdb();
#endif
properties = propCreate(1, EMU_LANG_ENGLISH, P_KBD_EUROPEAN, P_EMU_SYNCNONE, "");
if (info)
media_type = get_media_type(info->path); // msx_type from file extension
else
media_type = MEDIA_NOT_AVAILABLE;
if (is_coleco)
{
strcpy(properties->joy1.type, "coleco joystick");
properties->joy1.typeId = JOYSTICK_PORT_COLECOJOYSTICK;
properties->joy1.autofire = 0;
strcpy(properties->joy2.type, "coleco joystick");
properties->joy2.typeId = JOYSTICK_PORT_COLECOJOYSTICK;
properties->joy2.autofire = 0;
}
else
{
strcpy(properties->joy1.type, "joystick");
properties->joy1.typeId = JOYSTICK_PORT_JOYSTICK;
properties->joy1.autofire = 0;
strcpy(properties->joy2.type, "joystick");
properties->joy2.typeId = JOYSTICK_PORT_JOYSTICK;
properties->joy2.autofire = 0;
}
properties->emulation.vdpSyncMode = msx_vdp_synctype;
properties->video.monitorType = P_VIDEO_PALNONE;
strcpy(properties->emulation.machineName, msx_type);
properties->sound.chip.enableYM2413 = msx_ym2413_enable;
mixer = mixerCreate();