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libretro.c
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#include "libretro.h"
#include <assert.h>
#include <stdio.h>
#include <stdlib.h>
#include <stddef.h>
#include <string.h>
#include <stdint.h>
#include <ctype.h>
#include <compat/strl.h>
#include <compat/posix_string.h>
#include <streams/file_stream_transforms.h>
#include <file/file_path.h>
#ifdef PSP
#include <pspgu.h>
#endif
#include "MSX.h"
#include "EMULib.h"
#include "Sound.h"
#include "FDIDisk.h"
static bool video_mode_dynamic=false;
static unsigned frame_number=0;
static unsigned fps;
static uint16_t* image_buffer;
static unsigned image_buffer_width;
static unsigned image_buffer_height;
static uint16_t XPal[80];
static uint16_t BPal[256];
static uint16_t XPal0;
static bool PaletteFrozen=false;
#ifndef PATH_MAX
#define PATH_MAX 4096
#endif
#ifdef _WIN32
#define SLASH '\\'
#else
#define SLASH '/'
#endif
static char base_dir[PATH_MAX];
static char temp_buffer[PATH_MAX];
static char DSKName_buffer[PATH_MAX];
static char FntName_buffer[PATH_MAX];
static char AutoType_buffer[1024];
char *autotype=0;
#define BOOT_FRAME_COUNT 400 // a guesstimate when diskless boot is done
#define FLUSH_NEVER 0
#define FLUSH_IMMEDIATE 1
#define FLUSH_ON_CLOSE 2
#define FLUSH_TO_SRAM 3
static int disk_flush=FLUSH_NEVER;
static bool phantom_disk = false;
/* .dsk swap support */
struct retro_disk_control_callback dskcb;
unsigned disk_index = 0;
unsigned num_disk_images = 0;
char disk_paths[MAXDISKS][PATH_MAX];
bool disk_inserted = false;
extern int MCFCount;
int current_cheat;
#define SRAM_HEADER 0xA5
static bool sram_save_phase=false;
int sram_size = 0;
uint8_t *sram_content = NULL;
uint8_t *sram_disk_ptr = NULL;
extern uint8_t *RAMData;
extern uint8_t *VRAM;
extern int RAMPages;
extern int VRAMPages;
extern uint8_t RTC[4][13];
extern int VPeriod;
extern uint8_t DiskROMLoaded;
bool require_disk_rom = false;
#define SND_RATE 48000
// in screen mode 6 & 7 (512px wide), Wide.h doubles WIDTH
#define BORDER 8
#define WIDTH (256+(BORDER<<1))
#define HEIGHT (212+(BORDER<<1))
#define MAX_HEIGHT (256+BORDER)
#define MAX_SCANLINE (PALVideo?255:242)
#ifdef PSP
#define PIXEL(R,G,B) (uint16_t)(((31*(B)/255)<<11)|((63*(G)/255)<<5)|(31*(R)/255))
#elif defined(PS2)
#define PIXEL(R,G,B) (uint16_t)(((31*(B)/255)<<10)|((31*(G)/255)<<5)|(31*(R)/255))
#else
#define PIXEL(R,G,B) (uint16_t)(((31*(R)/255)<<11)|((63*(G)/255)<<5)|(31*(B)/255))
#endif
int fmsx_log_level = RETRO_LOG_WARN;
retro_log_printf_t log_cb = NULL;
static retro_video_refresh_t video_cb = NULL;
static retro_input_poll_t input_poll_cb = NULL;
static retro_input_state_t input_state_cb = NULL;
static retro_environment_t environ_cb = NULL;
static retro_audio_sample_batch_t audio_batch_cb = NULL;
#define HIRES_OFF 0
#define HIRES_INTERLACED 1
#define HIRES_PROGRESSIVE 2
static int hires_mode = HIRES_OFF;
static bool overscan = false;
#define HiResMode (InterlaceON&&hires_mode!=HIRES_OFF)
#define InterlacedMode (hires_mode==HIRES_INTERLACED)
#define OverscanMode (overscan)
#define OddPage (frame_number&1)
#define XBuf image_buffer
#define WBuf image_buffer
int LastScanline;
#include "CommonMux.h"
static bool libretro_supports_bitmasks = false;
static retro_perf_tick_t max_frame_ticks = 0;
static unsigned port0_device;
typedef struct
{
int retro;
int fmsx;
char *name;
}keymap_t;
keymap_t keymap[] = // only need to map the 88 basic keys; not SHIFTed ones
{
{ RETROK_LEFT, KBD_LEFT , "left"},
{ RETROK_UP, KBD_UP , "up"},
{ RETROK_RIGHT, KBD_RIGHT , "right"},
{ RETROK_DOWN, KBD_DOWN , "down"},
{ RETROK_LSHIFT, KBD_SHIFT , "shift"},
{ RETROK_RSHIFT, KBD_SHIFT , "shift"},
{ RETROK_LCTRL, KBD_CONTROL , "ctrl"},
{ RETROK_RCTRL, KBD_CONTROL , "ctrl"},
{ RETROK_LALT, KBD_GRAPH , "graph"},
{ RETROK_BACKSPACE, KBD_BS , "backspace"},
{ RETROK_TAB, KBD_TAB , "tab"},
{ RETROK_ESCAPE, KBD_ESCAPE , "escape"},
{ RETROK_SPACE, KBD_SPACE , "space"},
{ RETROK_CAPSLOCK, KBD_CAPSLOCK , "capslock"},
{ RETROK_END, KBD_SELECT , "select"},
{ RETROK_HOME, KBD_HOME , "home"},
{ RETROK_RETURN, KBD_ENTER , "enter"},
{ RETROK_DELETE, KBD_DELETE , "del"},
{ RETROK_INSERT, KBD_INSERT , "insert"},
{ RETROK_PAGEDOWN, KBD_COUNTRY , "country"},
{ RETROK_PAGEUP, KBD_DEAD , "dead"},
{ RETROK_PAUSE, KBD_STOP , "stop"},
{ RETROK_F1, KBD_F1 , "f1"},
{ RETROK_F2, KBD_F2 , "f2"},
{ RETROK_F3, KBD_F3 , "f3"},
{ RETROK_F4, KBD_F4 , "f4"},
{ RETROK_F5, KBD_F5 , "f5"},
{ RETROK_KP0, KBD_NUMPAD0 , "keypad0"},
{ RETROK_KP1, KBD_NUMPAD1 , "keypad1"},
{ RETROK_KP2, KBD_NUMPAD2 , "keypad2"},
{ RETROK_KP3, KBD_NUMPAD3 , "keypad3"},
{ RETROK_KP4, KBD_NUMPAD4 , "keypad4"},
{ RETROK_KP5, KBD_NUMPAD5 , "keypad5"},
{ RETROK_KP6, KBD_NUMPAD6 , "keypad6"},
{ RETROK_KP7, KBD_NUMPAD7 , "keypad7"},
{ RETROK_KP8, KBD_NUMPAD8 , "keypad8"},
{ RETROK_KP9, KBD_NUMPAD9 , "keypad9"},
{ RETROK_KP_MULTIPLY,KBD_NUMMUL , "kp_multiply"},
{ RETROK_KP_PLUS, KBD_NUMPLUS , "kp_plus"},
{ RETROK_KP_DIVIDE, KBD_NUMDIV , "kp_divide"},
{ RETROK_KP_MINUS, KBD_NUMMINUS , "kp_minus"},
{ RETROK_KP_ENTER, KBD_NUMCOMMA , "kp_comma"},
{ RETROK_KP_PERIOD, KBD_NUMDOT , "kp_period"}, // KP_PERIOD seem unreachable from RA host keyboard under Linux (KEY_KPDOT == 83)?
{ RETROK_BACKQUOTE, '`' , "backquote"},
{ RETROK_MINUS, '-' , "minus"},
{ RETROK_EQUALS, '=' , "equals"},
{ RETROK_LEFTBRACKET,'[' , "leftbracket"},
{ RETROK_RIGHTBRACKET,']' , "rightbracket"},
{ RETROK_BACKSLASH, '\\' , "backslash"},
{ RETROK_SEMICOLON, ';' , "semicolon"},
{ RETROK_QUOTE, '\'' , "quote"},
{ RETROK_COMMA, ',' , "comma"},
{ RETROK_PERIOD, '.' , "period"},
{ RETROK_SLASH, '/' , "slash"},
{ RETROK_0, '0' , "0"},
{ RETROK_1, '1' , "1"},
{ RETROK_2, '2' , "2"},
{ RETROK_3, '3' , "3"},
{ RETROK_4, '4' , "4"},
{ RETROK_5, '5' , "5"},
{ RETROK_6, '6' , "6"},
{ RETROK_7, '7' , "7"},
{ RETROK_8, '8' , "8"},
{ RETROK_9, '9' , "9"},
{ RETROK_a, 'a' , "a"},
{ RETROK_b, 'b' , "b"},
{ RETROK_c, 'c' , "c"},
{ RETROK_d, 'd' , "d"},
{ RETROK_e, 'e' , "e"},
{ RETROK_f, 'f' , "f"},
{ RETROK_g, 'g' , "g"},
{ RETROK_h, 'h' , "h"},
{ RETROK_i, 'i' , "i"},
{ RETROK_j, 'j' , "j"},
{ RETROK_k, 'k' , "k"},
{ RETROK_l, 'l' , "l"},
{ RETROK_m, 'm' , "m"},
{ RETROK_n, 'n' , "n"},
{ RETROK_o, 'o' , "o"},
{ RETROK_p, 'p' , "p"},
{ RETROK_q, 'q' , "q"},
{ RETROK_r, 'r' , "r"},
{ RETROK_s, 's' , "s"},
{ RETROK_t, 't' , "t"},
{ RETROK_u, 'u' , "u"},
{ RETROK_v, 'v' , "v"},
{ RETROK_w, 'w' , "w"},
{ RETROK_x, 'x' , "x"},
{ RETROK_y, 'y' , "y"},
{ RETROK_z, 'z' , "z"}
};
int joystate;
#define JOY_SET(K, port) joystate |= K << (8 * port)
keymap_t keybemu0_map[] = // Joystick + emulated keyboard
{
// first 6: joystick
{ RETRO_DEVICE_ID_JOYPAD_UP, JST_UP },
{ RETRO_DEVICE_ID_JOYPAD_DOWN, JST_DOWN },
{ RETRO_DEVICE_ID_JOYPAD_LEFT, JST_LEFT },
{ RETRO_DEVICE_ID_JOYPAD_RIGHT, JST_RIGHT },
{ RETRO_DEVICE_ID_JOYPAD_A, JST_FIREA },
{ RETRO_DEVICE_ID_JOYPAD_B, JST_FIREB },
// rest: keyboard
{ RETRO_DEVICE_ID_JOYPAD_X, KBD_F3 },
{ RETRO_DEVICE_ID_JOYPAD_Y, KBD_SPACE },
{ RETRO_DEVICE_ID_JOYPAD_START, KBD_F1 },
{ RETRO_DEVICE_ID_JOYPAD_SELECT, KBD_F2 },
{ RETRO_DEVICE_ID_JOYPAD_L, KBD_F4 },
{ RETRO_DEVICE_ID_JOYPAD_R, KBD_F5 },
{ RETRO_DEVICE_ID_JOYPAD_L2, KBD_GRAPH },
{ RETRO_DEVICE_ID_JOYPAD_R2, KBD_CONTROL },
{ RETRO_DEVICE_ID_JOYPAD_L3, KBD_ENTER },
{ RETRO_DEVICE_ID_JOYPAD_R3, KBD_ESCAPE },
};
keymap_t keybemu1_map[] = // Emulated keyboard with a fixed mapping
{
{ RETRO_DEVICE_ID_JOYPAD_UP, KBD_UP },
{ RETRO_DEVICE_ID_JOYPAD_DOWN, KBD_DOWN },
{ RETRO_DEVICE_ID_JOYPAD_LEFT, KBD_LEFT },
{ RETRO_DEVICE_ID_JOYPAD_RIGHT, KBD_RIGHT },
{ RETRO_DEVICE_ID_JOYPAD_B, KBD_ENTER },
{ RETRO_DEVICE_ID_JOYPAD_A, KBD_SPACE },
{ RETRO_DEVICE_ID_JOYPAD_X, 'n' },
{ RETRO_DEVICE_ID_JOYPAD_Y, 'm' },
{ RETRO_DEVICE_ID_JOYPAD_SELECT, KBD_F4 },
{ RETRO_DEVICE_ID_JOYPAD_START, KBD_F1 },
{ RETRO_DEVICE_ID_JOYPAD_L, KBD_F2 },
{ RETRO_DEVICE_ID_JOYPAD_R, KBD_F3 },
{ RETRO_DEVICE_ID_JOYPAD_L2, KBD_GRAPH },
{ RETRO_DEVICE_ID_JOYPAD_R2, KBD_CONTROL },
{ RETRO_DEVICE_ID_JOYPAD_L3, KBD_F5 },
{ RETRO_DEVICE_ID_JOYPAD_R3, KBD_ESCAPE },
};
keymap_t keybemu2_map[] = // Custom keyboard; all keyboard keys are possible
{
{ RETRO_DEVICE_ID_JOYPAD_UP, KBD_UP },
{ RETRO_DEVICE_ID_JOYPAD_DOWN, KBD_DOWN },
{ RETRO_DEVICE_ID_JOYPAD_LEFT, KBD_LEFT },
{ RETRO_DEVICE_ID_JOYPAD_RIGHT, KBD_RIGHT },
{ RETRO_DEVICE_ID_JOYPAD_B, KBD_ENTER },
{ RETRO_DEVICE_ID_JOYPAD_A, KBD_SPACE },
{ RETRO_DEVICE_ID_JOYPAD_X, 'n' },
{ RETRO_DEVICE_ID_JOYPAD_Y, 'm' },
{ RETRO_DEVICE_ID_JOYPAD_SELECT, KBD_F4 },
{ RETRO_DEVICE_ID_JOYPAD_START, KBD_F1 },
{ RETRO_DEVICE_ID_JOYPAD_L, KBD_F2 },
{ RETRO_DEVICE_ID_JOYPAD_R, KBD_F3 },
{ RETRO_DEVICE_ID_JOYPAD_L2, KBD_GRAPH },
{ RETRO_DEVICE_ID_JOYPAD_R2, KBD_CONTROL },
{ RETRO_DEVICE_ID_JOYPAD_L3, KBD_F5 },
{ RETRO_DEVICE_ID_JOYPAD_R3, KBD_ESCAPE },
};
keymap_t joymap[] = // MSX joystick
{
{ RETRO_DEVICE_ID_JOYPAD_UP, JST_UP },
{ RETRO_DEVICE_ID_JOYPAD_DOWN, JST_DOWN },
{ RETRO_DEVICE_ID_JOYPAD_LEFT, JST_LEFT },
{ RETRO_DEVICE_ID_JOYPAD_RIGHT, JST_RIGHT },
{ RETRO_DEVICE_ID_JOYPAD_A, JST_FIREA },
{ RETRO_DEVICE_ID_JOYPAD_B, JST_FIREB },
};
static int custom_keyboard_name_to_fmsx(const char *name)
{
int i;
for(i = 0; i < sizeof(keymap) / sizeof(keymap_t); i++)
if(!strcmp(name, keymap[i].name))
return keymap[i].fmsx;
return 0;
}
static char *custom_keyboard_fmsx_to_name(int fmsx)
{
int i;
for(i=0; i<sizeof(keymap)/sizeof(keymap_t);i++)
if(fmsx==keymap[i].fmsx)
return keymap[i].name;
return "";
}
static void set_input_descriptors(void)
{
struct retro_input_descriptor descriptors_keyb_emu0[] = {
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "Stick Left" },
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "Stick Up" },
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "Stick Down" },
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "Stick Right" },
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "Fire B" },
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "Fire A" },
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X, "F3" },
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y, "Space" },
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT, "F2" },
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "F1" },
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L, "F4" },
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R, "F5" },
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2, "Graph" },
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2, "Ctrl" },
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L3, "Enter" },
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R3, "Escape" },
{ 0 },
};
struct retro_input_descriptor descriptors_keyb_emu1[] = {
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "Arrow Left" },
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "Arrow Up" },
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "Arrow Down" },
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "Arrow Right" },
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "Enter" },
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "Space" },
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X, "N" },
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y, "M" },
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT, "F4" },
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "F1" },
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L, "F2" },
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R, "F3" },
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2, "Graph" },
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2, "Ctrl" },
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L3, "F5" },
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R3, "Escape" },
{ 0 },
};
struct retro_input_descriptor descriptors_keyb_emu2[] = {
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, custom_keyboard_fmsx_to_name(keybemu2_map[0].fmsx) },
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, custom_keyboard_fmsx_to_name(keybemu2_map[1].fmsx) },
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, custom_keyboard_fmsx_to_name(keybemu2_map[2].fmsx) },
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, custom_keyboard_fmsx_to_name(keybemu2_map[3].fmsx) },
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, custom_keyboard_fmsx_to_name(keybemu2_map[4].fmsx) },
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, custom_keyboard_fmsx_to_name(keybemu2_map[5].fmsx) },
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X, custom_keyboard_fmsx_to_name(keybemu2_map[6].fmsx) },
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y, custom_keyboard_fmsx_to_name(keybemu2_map[7].fmsx) },
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT, custom_keyboard_fmsx_to_name(keybemu2_map[8].fmsx) },
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, custom_keyboard_fmsx_to_name(keybemu2_map[9].fmsx) },
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L, custom_keyboard_fmsx_to_name(keybemu2_map[10].fmsx) },
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R, custom_keyboard_fmsx_to_name(keybemu2_map[11].fmsx) },
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2, custom_keyboard_fmsx_to_name(keybemu2_map[12].fmsx) },
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2, custom_keyboard_fmsx_to_name(keybemu2_map[13].fmsx) },
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L3, custom_keyboard_fmsx_to_name(keybemu2_map[14].fmsx) },
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R3, custom_keyboard_fmsx_to_name(keybemu2_map[15].fmsx) },
{ 0 },
};
struct retro_input_descriptor descriptors_joystick0[] = {
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "Stick Left" },
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "Stick Up" },
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "Stick Down" },
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "Stick Right" },
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "Fire A" },
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "Fire B" },
{ 0 },
};
struct retro_input_descriptor descriptors_joystick1[] = {
{ 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "Stick Left" },
{ 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "Stick Up" },
{ 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "Stick Down" },
{ 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "Stick Right" },
{ 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "Fire A" },
{ 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "Fire B" },
{ 0 },
};
struct retro_input_descriptor descriptors[32];
struct retro_input_descriptor *out_ptr = descriptors;
struct retro_input_descriptor *in_ptr;
if (port0_device == RETRO_DEVICE_SUBCLASS(RETRO_DEVICE_JOYPAD, 0))
in_ptr = descriptors_keyb_emu0;
else if (port0_device == RETRO_DEVICE_SUBCLASS(RETRO_DEVICE_JOYPAD, 1))
in_ptr = descriptors_keyb_emu1;
else if (port0_device == RETRO_DEVICE_SUBCLASS(RETRO_DEVICE_JOYPAD, 2))
in_ptr = descriptors_keyb_emu2;
else if (port0_device == RETRO_DEVICE_JOYPAD)
in_ptr = descriptors_joystick0;
else
in_ptr = NULL;
if(in_ptr)
{
while(in_ptr->description)
*(out_ptr++) = *(in_ptr)++;
}
in_ptr = descriptors_joystick1;
while(in_ptr->description)
*(out_ptr++) = *(in_ptr)++;
out_ptr->description = NULL;
environ_cb(RETRO_ENVIRONMENT_SET_INPUT_DESCRIPTORS, descriptors);
}
static char *custom_keyboard_values(char *prefix, char *def)
{
int i;
char values[4096];
values[0]=0;
strcat(values, prefix);
strcat(values, def);
for(i=0; i<sizeof(keymap)/sizeof(keymap_t);i++)
{
if ((i > 0 && !strcmp(keymap[i-1].name, keymap[i].name)) || !strcmp(keymap[i].name, def))
continue;
strcat(values, "|");
strcat(values, keymap[i].name);
}
return strdup(values);
}
static void flush_disk(void)
{
int R,num_patched_images;
bool found=false;
if(!FDD[0].Dirty)
return;
switch(disk_flush)
{
case FLUSH_ON_CLOSE:
case FLUSH_IMMEDIATE:
if ((R=SaveFDI(&FDD[0],DSKName_buffer,FMT_MSXDSK))!=FDI_SAVE_OK && log_cb) { }
FDD[0].Dirty = 0; // set to false anyway to prevent spamming
break;
case FLUSH_TO_SRAM:
if (num_disk_images > 0 && filestream_exists(DSKName_buffer))
{
num_patched_images=sram_content[2];
for(R=0;R<num_patched_images;R++)
{
if(sram_content[3+R] == disk_index)
{
found=true;
break;
}
}
if (!found)
{
sram_content[3+num_patched_images] = disk_index;
sram_content[2]=++num_patched_images;
}
sram_disk_ptr = &sram_content[3 + MAXDISKS + (R * (1 + 720 * 1024)) + 1];
}
// initial save, i.e., non-existent .dsk image, _will_ go to disk
if ((R=SaveFDI(&FDD[0],DSKName_buffer,filestream_exists(DSKName_buffer)?FMT_MEMORY:FMT_MSXDSK))!=FDI_SAVE_OK && log_cb) { }
FDD[0].Dirty = 0;
break;
}
}
static void patch_disk(void)
{
int i;
if (sram_content && num_disk_images > 0)
{
sram_disk_ptr=NULL;
for(i=0;i<sram_content[2];i++)
{
if(sram_content[3+i] == disk_index)
{
sram_disk_ptr = &sram_content[3 + MAXDISKS + (i * (1 + 720 * 1024)) + 1];
break;
}
}
}
if (sram_disk_ptr && sram_disk_ptr[-1] == SRAM_HEADER && DiskData && DiskSize <= sram_size-1)
{
memcpy(DiskData, sram_disk_ptr, DiskSize);
DiskData = NULL;
DiskSize = 0;
}
}
/* .dsk swap support */
static bool set_eject_state(bool ejected)
{
disk_inserted = !ejected;
if (!disk_inserted)
{
flush_disk();
ChangeDisk(0, NULL);
sram_disk_ptr=NULL;
}
return true;
}
static bool get_eject_state(void)
{
return !disk_inserted;
}
static unsigned get_image_index(void)
{
return disk_index;
}
static bool set_image_index(unsigned index)
{
disk_index = index;
if(disk_index >= num_disk_images)
{
ChangeDisk(0,NULL);
sram_disk_ptr=NULL;
return true;
}
strncpy(DSKName_buffer, disk_paths[disk_index], PATH_MAX-1);
DSKName_buffer[PATH_MAX-1] = 0;
DSKName[0]=DSKName_buffer;
if(ChangeDisk(0,DSKName[0]))
{
if (disk_flush==FLUSH_TO_SRAM)
patch_disk();
}
else if (phantom_disk)
ChangeDisk(0,"");
else
return false;
return true;
}
static unsigned get_num_images(void)
{
return num_disk_images;
}
static bool add_image_index(void)
{
if (num_disk_images >= MAXDISKS)
return false;
num_disk_images++;
if (sram_content) sram_content[1] = num_disk_images;
return true;
}
static bool replace_image_index(unsigned index, const struct retro_game_info *info)
{
char *dot = strrchr(info->path, '.');
if (!dot || strcasecmp(dot, ".dsk"))
return false; /* can't swap a cart or tape into a disk slot */
strcpy(disk_paths[index], info->path);
return true;
}
static void attach_disk_swap_interface(void)
{
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);
}
static bool read_m3u(const char *file)
{
char line[PATH_MAX];
char name[PATH_MAX];
RFILE *f = rfopen(file, "r");
if (!f)
return false;
while (rfgets(line, sizeof(line), f) && num_disk_images < MAXDISKS)
{
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')
{
#ifdef _WIN32
if (isalpha(line[0]) && line[1] == ':')
#else
if (line[0] == SLASH)
#endif
strncpy(name, line, sizeof(name));
else if (snprintf(name, sizeof(name), "%s%c%s", base_dir, SLASH, line) < 0)
name[sizeof(name)-1] = 0;
strcpy(disk_paths[num_disk_images++], name);
}
}
rfclose(f);
return (num_disk_images != 0);
}
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';
}
/* end .dsk swap support */
static void show_message(const char* msg, unsigned number_of_frames)
{
struct retro_message message;
message.msg = msg;
message.frames = number_of_frames;
environ_cb(RETRO_ENVIRONMENT_SET_MESSAGE, &message);
}
static void update_fps(void)
{
int freq;
if (video_mode_dynamic)
{
Mode&=~MSX_PAL;
if (PALVideo) Mode|=MSX_PAL;
VPeriod = (VIDEO(MSX_PAL)? VPERIOD_PAL:VPERIOD_NTSC)/6;
freq = VIDEO(MSX_PAL) ? 50 : 60;
if (fps != freq)
{
snprintf(temp_buffer, sizeof(temp_buffer), "switched to %dHz", freq);
show_message(temp_buffer, fps);
}
}
fps = VIDEO(MSX_PAL) ? 50 : 60;
}
static void cleanup_sram(void)
{
sram_save_phase=false;
if (sram_content) free(sram_content);
sram_content = NULL;
sram_disk_ptr = NULL;
sram_size = 0;
}
static void set_image_buffer_size(uint8_t screen_mode)
{
image_buffer_height = (LastScanline<HEIGHT || !OverscanMode) ? HEIGHT : (LastScanline+1);
if((screen_mode==6)||(screen_mode==7)||(screen_mode==MAXSCREEN+1))
image_buffer_width = WIDTH<<1;
else
image_buffer_width = WIDTH;
if (frame_number==0)
image_buffer_height = HEIGHT;
else if (HiResMode)
image_buffer_height <<= 1;
}
static void check_variables(void)
{
bool reset_sfx = false;
struct retro_variable var;
int ModeRAM = 0;
int ModeVRAM = 0;
var.key = "fmsx_mode";
var.value = NULL;
Mode = MSX_MSXDOS2;
if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
{
if (strcmp(var.value, "MSX1") == 0)
{
Mode |= MSX_MSX1;
ModeRAM = 4;
ModeVRAM = 2;
}
else if (strcmp(var.value, "MSX2") == 0)
{
Mode |= MSX_MSX2;
ModeRAM = 8;
ModeVRAM = 8;
}
else if (strcmp(var.value, "MSX2+") == 0)
{
Mode |= MSX_MSX2P;
ModeRAM = 16;
ModeVRAM = 8;
}
}
else
{
Mode |= MSX_MSX2P;
ModeRAM = 16;
ModeVRAM = 8;
}
var.key = "fmsx_video_mode";
var.value = NULL;
if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
{
if (strcmp(var.value, "NTSC") == 0)
Mode |= MSX_NTSC;
else if (strcmp(var.value, "PAL") == 0)
Mode |= MSX_PAL;
else if (strcmp(var.value, "Dynamic") == 0)
{
video_mode_dynamic = true;
if (MODEL(MSX_MSX2))
Mode |= MSX_PAL;
else
Mode |= MSX_NTSC;
fps = VIDEO(MSX_PAL) ? 50 : 60;
}
}
else
{
Mode |= MSX_NTSC;
}
var.key = "fmsx_hires";
var.value = NULL;
hires_mode = HIRES_OFF;
if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
{
if (strcmp(var.value, "Interlaced") == 0)
hires_mode = HIRES_INTERLACED;
else if (strcmp(var.value, "Progressive") == 0)
hires_mode = HIRES_PROGRESSIVE;
}
var.key = "fmsx_overscan";
var.value = NULL;
overscan = environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value && strcmp(var.value, "Yes") == 0;
var.key = "fmsx_mapper_type_mode";
var.value = NULL;
if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
{
if (strcmp(var.value, "Guess") == 0)
Mode |= MSX_GUESSA;
else if (strcmp(var.value, "Generic 8kB") == 0)
SETROMTYPE(0,MAP_GEN8);
else if (strcmp(var.value, "Generic 16kB") == 0)
SETROMTYPE(0,MAP_GEN16);
else if (strcmp(var.value, "Konami5 8kB") == 0)
SETROMTYPE(0,MAP_KONAMI5);
else if (strcmp(var.value, "Konami4 8kB") == 0)
SETROMTYPE(0,MAP_KONAMI4);
else if (strcmp(var.value, "ASCII 8kB") == 0)
SETROMTYPE(0,MAP_ASCII8);
else if (strcmp(var.value, "ASCII 16kB") == 0)
SETROMTYPE(0,MAP_ASCII16);
else if (strcmp(var.value, "GameMaster2") == 0)
SETROMTYPE(0,MAP_GMASTER2);
else if (strcmp(var.value, "FMPAC") == 0)
SETROMTYPE(0,MAP_FMPAC);
else
Mode |= MSX_GUESSA;
}
else
{
Mode |= MSX_GUESSA;
}
var.key = "fmsx_simbdos";
var.value = NULL;
if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value && strcmp(var.value, "Yes") == 0)
Mode |= MSX_PATCHBDOS;
var.key = "fmsx_game_master";
var.value = NULL;
if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value && strcmp(var.value, "Yes") == 0)
Mode |= MSX_GMASTER;
var.key = "fmsx_phantom_disk";
var.value = NULL;
if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value && strcmp(var.value, "Yes") == 0)
phantom_disk=true;
var.key = "fmsx_flush_disk";
var.value = NULL;
if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
{
if (strcmp(var.value, "Never") == 0)
disk_flush=FLUSH_NEVER;
else if (strcmp(var.value, "Immediate") == 0)
disk_flush=FLUSH_IMMEDIATE;
else if (strcmp(var.value, "On close") == 0)
disk_flush=FLUSH_ON_CLOSE;
else if (strcmp(var.value, "To/From SRAM") == 0)
disk_flush=FLUSH_TO_SRAM;
}
var.key = "fmsx_autospace";
var.value = NULL;
if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value && strcmp(var.value, "Yes") == 0)
Mode |= MSX_AUTOSPACE;
var.key = "fmsx_allsprites";
var.value = NULL;
if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value && strcmp(var.value, "Yes") == 0)
Mode |= MSX_ALLSPRITE;
var.key = "fmsx_ram_pages";
var.value = NULL;
if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
{
if (strcmp(var.value, "Auto") == 0)
RAMPages = ModeRAM;
else if (strcmp(var.value, "64KB") == 0)
RAMPages = 4;
else if (strcmp(var.value, "128KB") == 0)
RAMPages = 8;
else if (strcmp(var.value, "256KB") == 0)
RAMPages = 16;
else if (strcmp(var.value, "512KB") == 0)
RAMPages = 32;
else if (strcmp(var.value, "4MB") == 0)
RAMPages = 256;
}
else
{
RAMPages = ModeRAM;
}
var.key = "fmsx_vram_pages";
var.value = NULL;
if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
{
if (strcmp(var.value, "Auto") == 0)
VRAMPages = ModeVRAM;
else if (strcmp(var.value, "32KB") == 0)
VRAMPages = 2;
else if (strcmp(var.value, "64KB") == 0)
VRAMPages = 4;
else if (strcmp(var.value, "128KB") == 0)
VRAMPages = 8;
else if (strcmp(var.value, "192KB") == 0)
VRAMPages = 12;
}
else
VRAMPages = ModeVRAM;
var.key = "fmsx_log_level";
var.value = NULL;
if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
{
if (strcmp(var.value, "Off") == 0)
fmsx_log_level = RETRO_LOG_WARN;
else if (strcmp(var.value, "Info") == 0)
fmsx_log_level = RETRO_LOG_INFO;
else if (strcmp(var.value, "Debug") == 0)
fmsx_log_level = RETRO_LOG_DEBUG;
else if (strcmp(var.value, "Spam") == 0)
fmsx_log_level = -1;
}
else
fmsx_log_level = RETRO_LOG_WARN;
var.key = "fmsx_font";
var.value = NULL;
if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value && strcmp(var.value, "standard") != 0)
{
strncpy(FntName_buffer, var.value, sizeof(FntName_buffer)-1);
FntName_buffer[sizeof(FntName_buffer)-1] = 0;
FNTName=FntName_buffer;
Mode |= MSX_FIXEDFONT;
}
var.key = "fmsx_custom_keyboard_up"; var.value = NULL;
if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value) keybemu2_map[0].fmsx = custom_keyboard_name_to_fmsx(var.value);
var.key = "fmsx_custom_keyboard_down"; var.value = NULL;
if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value) keybemu2_map[1].fmsx = custom_keyboard_name_to_fmsx(var.value);
var.key = "fmsx_custom_keyboard_left"; var.value = NULL;
if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value) keybemu2_map[2].fmsx = custom_keyboard_name_to_fmsx(var.value);
var.key = "fmsx_custom_keyboard_right"; var.value = NULL;
if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value) keybemu2_map[3].fmsx = custom_keyboard_name_to_fmsx(var.value);
var.key = "fmsx_custom_keyboard_b"; var.value = NULL;
if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value) keybemu2_map[4].fmsx = custom_keyboard_name_to_fmsx(var.value);
var.key = "fmsx_custom_keyboard_a"; var.value = NULL;
if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value) keybemu2_map[5].fmsx = custom_keyboard_name_to_fmsx(var.value);
var.key = "fmsx_custom_keyboard_x"; var.value = NULL;
if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value) keybemu2_map[6].fmsx = custom_keyboard_name_to_fmsx(var.value);
var.key = "fmsx_custom_keyboard_y"; var.value = NULL;
if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value) keybemu2_map[7].fmsx = custom_keyboard_name_to_fmsx(var.value);
var.key = "fmsx_custom_keyboard_select"; var.value = NULL;
if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value) keybemu2_map[8].fmsx = custom_keyboard_name_to_fmsx(var.value);
var.key = "fmsx_custom_keyboard_start"; var.value = NULL;
if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value) keybemu2_map[9].fmsx = custom_keyboard_name_to_fmsx(var.value);
var.key = "fmsx_custom_keyboard_l"; var.value = NULL;
if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value) keybemu2_map[10].fmsx = custom_keyboard_name_to_fmsx(var.value);
var.key = "fmsx_custom_keyboard_r"; var.value = NULL;
if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value) keybemu2_map[11].fmsx = custom_keyboard_name_to_fmsx(var.value);
var.key = "fmsx_custom_keyboard_l2"; var.value = NULL;
if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value) keybemu2_map[12].fmsx = custom_keyboard_name_to_fmsx(var.value);
var.key = "fmsx_custom_keyboard_r2"; var.value = NULL;
if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value) keybemu2_map[13].fmsx = custom_keyboard_name_to_fmsx(var.value);
var.key = "fmsx_custom_keyboard_l3"; var.value = NULL;
if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value) keybemu2_map[14].fmsx = custom_keyboard_name_to_fmsx(var.value);
var.key = "fmsx_custom_keyboard_r3"; var.value = NULL;
if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value) keybemu2_map[15].fmsx = custom_keyboard_name_to_fmsx(var.value);
update_fps();
}
static void replace_ext(char *fname, const char *ext)
{
char *end = fname + strlen(fname);
char *cur = end;
while (cur > fname && *cur != '.')
--cur;
if (*cur == '.' && end - cur > strlen(ext))
strcpy(cur+1, ext);
}
static void setup_tape_autotype(void)
{
switch (tape_type)
{
case ASCII_TAPE: // LOAD"CAS:",R
if(MODEL(MSX_MSX2P))
strcpy(AutoType_buffer, "\05l\05o\05a\05d\05""2\05c\05a\05s'\01\05""2,\01\05r\x0d\01");
else
strcpy(AutoType_buffer, "\05l\05o\05a\05d\05'\05c\05a\05s\05:\05',\01\05r\x0d\01");