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Merge branch 'master' of git://github.com/libretro/snes9x into libretro

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This commit is contained in:
Brandon Wright 2013-12-17 05:06:32 -06:00
commit d5cd9ae78c
6 changed files with 601 additions and 55 deletions
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6
libretro/Makefile
View File

@ -28,9 +28,9 @@ else ifeq ($(platform), ios)
fpic := -fPIC
SHARED := -dynamiclib
CC = clang -arch armv7 -isysroot $(IOSSDK)
CXX = clang++ -arch armv7 -isysroot $(IOSSDK)
CXXFLAGS += -DIOS
CC = clang -arch armv7 -isysroot $(IOSSDK) -miphoneos-version-min=5.0
CXX = clang++ -arch armv7 -isysroot $(IOSSDK) -miphoneos-version-min=5.0
CXXFLAGS += -DIOS -miphoneos-version-min=5.0
CXXFLAGS += -DARM
else ifeq ($(platform), qnx)
TARGET := $(TARGET_NAME)_libretro_qnx.so

2
libretro/jni/Android.mk
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@ -17,7 +17,7 @@ endif
LOCAL_MODULE := libretro
LOCAL_SRC_FILES = ../../apu/apu.cpp ../../apu/bapu/dsp/sdsp.cpp ../../apu/bapu/dsp/SPC_DSP.cpp ../../apu/bapu/smp/smp.cpp ../../apu/bapu/smp/smp_state.cpp ../../bsx.cpp ../../c4.cpp ../../c4emu.cpp ../../cheats.cpp ../../cheats2.cpp ../../clip.cpp ../../conffile.cpp ../../controls.cpp ../../cpu.cpp ../../cpuexec.cpp ../../cpuops.cpp ../../crosshairs.cpp ../../dma.cpp ../../dsp.cpp ../../dsp1.cpp ../../dsp2.cpp ../../dsp3.cpp ../../dsp4.cpp ../../fxinst.cpp ../../fxemu.cpp ../../gfx.cpp ../../globals.cpp ../../logger.cpp ../../memmap.cpp ../../movie.cpp ../../obc1.cpp ../../ppu.cpp ../../stream.cpp ../../sa1.cpp ../../sa1cpu.cpp ../../screenshot.cpp ../../sdd1.cpp ../../sdd1emu.cpp ../../seta.cpp ../../seta010.cpp ../../seta011.cpp ../../seta018.cpp ../../snapshot.cpp ../../snes9x.cpp ../../spc7110.cpp ../../srtc.cpp ../../tile.cpp ../libretro.cpp
LOCAL_CXXFLAGS = -DANDROID
LOCAL_CXXFLAGS = -DANDROID -DARM -D__LIBRETRO__ -DHAVE_STRINGS_H -DHAVE_STDINT_H -DRIGHTSHIFT_IS_SAR
LOCAL_C_INCLUDES = ../../ ../../apu/bapu/
include $(BUILD_SHARED_LIBRARY)

153
libretro/libretro.cpp
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@ -21,6 +21,7 @@
#include <sys/types.h>
#include <fcntl.h>
static retro_log_printf_t log_cb = NULL;
static retro_video_refresh_t s9x_video_cb = NULL;
static retro_audio_sample_t s9x_audio_cb = NULL;
static retro_audio_sample_batch_t s9x_audio_batch_cb = NULL;
@ -58,6 +59,67 @@ static bool rom_loaded = false;
void retro_set_environment(retro_environment_t cb)
{
environ_cb = cb;
struct retro_variable variables[] = {
// These variable names and possible values constitute an ABI with ZMZ (ZSNES Libretro player).
// Changing "Show layer 1" is fine, but don't change "layer_1"/etc or the possible values ("Yes|No").
// Adding more variables and rearranging them is safe.
{ "s9x_layer_1", "Show layer 1; Yes|No" },
{ "s9x_layer_2", "Show layer 2; Yes|No" },
{ "s9x_layer_3", "Show layer 3; Yes|No" },
{ "s9x_layer_4", "Show layer 4; Yes|No" },
{ "s9x_layer_5", "Show sprite layer; Yes|No" },
{ "s9x_gfx_clip", "Enable graphic clip windows; Yes|No" },
{ "s9x_gfx_transp", "Enable transparency effects; Yes|No" },
{ "s9x_sndchan_1", "Enable sound channel 1; Yes|No" },
{ "s9x_sndchan_2", "Enable sound channel 2; Yes|No" },
{ "s9x_sndchan_3", "Enable sound channel 3; Yes|No" },
{ "s9x_sndchan_4", "Enable sound channel 4; Yes|No" },
{ "s9x_sndchan_5", "Enable sound channel 5; Yes|No" },
{ "s9x_sndchan_6", "Enable sound channel 6; Yes|No" },
{ "s9x_sndchan_7", "Enable sound channel 7; Yes|No" },
{ "s9x_sndchan_8", "Enable sound channel 8; Yes|No" },
{ NULL, NULL },
};
environ_cb(RETRO_ENVIRONMENT_SET_VARIABLES, variables);
}
static void update_variables(void)
{
char key[14];
struct retro_variable var;
var.key=key;
int disabled_channels=0;
strcpy(key, "s9x_sndchan_x");
for (int i=0;i<8;i++)
{
key[strlen("s9x_sndchan_")]='1'+i;
var.value=NULL;
if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value && var.value[0]=='N') disabled_channels|=1<<i;
}
S9xSetSoundControl(disabled_channels^0xFF);
int disabled_layers=0;
strcpy(key, "s9x_layer_x");
for (int i=0;i<5;i++)
{
key[strlen("s9x_layer_")]='1'+i;
var.value=NULL;
if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value && var.value[0]=='N') disabled_layers|=1<<i;
}
Settings.BG_Forced=disabled_layers;
//for some reason, Transparency seems to control both the fixed color and the windowing registers?
var.key="s9x_gfx_clip";
var.value=NULL;
Settings.DisableGraphicWindows=(environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value && var.value[0]=='N');
var.key="s9x_gfx_transp";
var.value=NULL;
Settings.Transparency=!(environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value && var.value[0]=='N');
}
static void S9xAudioCallback(void*)
@ -128,11 +190,11 @@ void retro_set_controller_port_device(unsigned port, unsigned device)
switch (device)
{
case RETRO_DEVICE_JOYPAD:
S9xSetController(port, CTL_JOYPAD, 0, 0, 0, 0);
S9xSetController(port, CTL_JOYPAD, port*4, 0, 0, 0);
snes_devices[port] = RETRO_DEVICE_JOYPAD;
break;
case RETRO_DEVICE_JOYPAD_MULTITAP:
S9xSetController(port, CTL_MP5, 1, 2, 3, 4);
S9xSetController(port, CTL_MP5, port*4+0, port*4+1, port*4+2, port*4+3);
snes_devices[port] = RETRO_DEVICE_JOYPAD_MULTITAP;
break;
case RETRO_DEVICE_MOUSE:
@ -152,28 +214,53 @@ void retro_set_controller_port_device(unsigned port, unsigned device)
snes_devices[port] = RETRO_DEVICE_LIGHTGUN_JUSTIFIERS;
break;
default:
fprintf(stderr, "[libretro]: Invalid device!\n");
if (log_cb)
log_cb(RETRO_LOG_ERROR, "[libretro]: Invalid device.\n");
}
}
void retro_cheat_reset()
{}
{
S9xDeleteCheats();
S9xApplyCheats();
}
void retro_cheat_set(unsigned, bool, const char*)
{}
void retro_cheat_set(unsigned index, bool enabled, const char *code)
{
uint32 address;
uint8 val;
bool8 sram;
uint8 bytes[3];//used only by GoldFinger, ignored for now
if (S9xGameGenieToRaw(code, address, val)!=NULL &&
S9xProActionReplayToRaw(code, address, val)!=NULL &&
S9xGoldFingerToRaw(code, address, sram, val, bytes)!=NULL)
{ // bad code, ignore
return;
}
if (index>Cheat.num_cheats) return; // cheat added in weird order, ignore
if (index==Cheat.num_cheats) Cheat.num_cheats++;
Cheat.c[index].address = address;
Cheat.c[index].byte = val;
Cheat.c[index].enabled = enabled;
Cheat.c[index].saved = FALSE; // it'll be saved next time cheats run anyways
Settings.ApplyCheats=true;
S9xApplyCheats();
}
bool retro_load_game(const struct retro_game_info *game)
{
if(game->data == NULL && game->size == NULL && game->path != NULL)
if(game->data == NULL && game->size == 0 && game->path != NULL)
rom_loaded = Memory.LoadROM(game->path);
else
rom_loaded = Memory.LoadROMMem((const uint8_t*)game->data ,game->size);
if (!rom_loaded)
{
fprintf(stderr, "[libretro]: Rom loading failed...\n");
}
if (!rom_loaded && log_cb)
log_cb(RETRO_LOG_ERROR, "[libretro]: Rom loading failed...\n");
return rom_loaded;
}
@ -194,10 +281,8 @@ bool retro_load_game_special(unsigned game_type,
rom_loaded = Memory.LoadROMMem((const uint8_t*)info[1].data,info[1].size);
}
if (!rom_loaded)
{
fprintf(stderr, "[libretro]: BSX Rom loading failed...\n");
}
if (!rom_loaded && log_cb)
log_cb(RETRO_LOG_ERROR, "[libretro]: BSX ROM loading failed...\n");
break;
@ -205,12 +290,10 @@ bool retro_load_game_special(unsigned game_type,
if(num_info == 2)
rom_loaded = Memory.LoadMultiCartMem((const uint8_t*)info[0].data, info[0].size,
(const uint8_t*)info[1].data, info[1].size, NULL, NULL);
(const uint8_t*)info[1].data, info[1].size, NULL, 0);
if (!rom_loaded)
{
fprintf(stderr, "[libretro]: Multirom loading failed...\n");
}
if (!rom_loaded && log_cb)
log_cb(RETRO_LOG_ERROR, "[libretro]: Multirom loading failed...\n");
break;
@ -220,10 +303,8 @@ bool retro_load_game_special(unsigned game_type,
rom_loaded = Memory.LoadMultiCartMem((const uint8_t*)info[1].data, info[1].size,
(const uint8_t*)info[2].data, info[2].size, (const uint8_t*)info[0].data, info[0].size);
if (!rom_loaded)
{
fprintf(stderr, "[libretro]: Sufami Turbo Rom loading failed...\n");
}
if (!rom_loaded && log_cb)
log_cb(RETRO_LOG_ERROR, "[libretro]: Sufami Turbo ROM loading failed...\n");
break;
@ -240,12 +321,17 @@ static void map_buttons();
void retro_init()
{
struct retro_log_callback log;
if (environ_cb)
{
if (!environ_cb(RETRO_ENVIRONMENT_GET_OVERSCAN, &use_overscan))
use_overscan = false;
}
environ_cb(RETRO_ENVIRONMENT_GET_LOG_INTERFACE, &log);
if (log.log)
log_cb = log.log;
memset(&Settings, 0, sizeof(Settings));
Settings.MouseMaster = TRUE;
Settings.SuperScopeMaster = TRUE;
@ -278,7 +364,9 @@ void retro_init()
{
Memory.Deinit();
S9xDeinitAPU();
fprintf(stderr, "[libretro]: Failed to init Memory or APU.\n");
if (log_cb)
log_cb(RETRO_LOG_ERROR, "[libretro]: Failed to init Memory or APU.\n");
exit(1);
}
@ -438,13 +526,13 @@ static void report_buttons()
{
case RETRO_DEVICE_JOYPAD:
for (int i = BTN_FIRST; i <= BTN_LAST; i++)
S9xReportButton(MAKE_BUTTON(port + 1, i), s9x_input_state_cb(port, RETRO_DEVICE_JOYPAD, 0, i));
S9xReportButton(MAKE_BUTTON(port*4 + 1, i), s9x_input_state_cb(port, RETRO_DEVICE_JOYPAD, 0, i));
break;
case RETRO_DEVICE_JOYPAD_MULTITAP:
for (int j = 0; j < 4; j++)
for (int i = BTN_FIRST; i <= BTN_LAST; i++)
S9xReportButton(MAKE_BUTTON(j + 2, i), s9x_input_state_cb(port, RETRO_DEVICE_JOYPAD_MULTITAP, j, i));
S9xReportButton(MAKE_BUTTON(port*4 + j + 1, i), s9x_input_state_cb(port, RETRO_DEVICE_JOYPAD_MULTITAP, j, i));
break;
case RETRO_DEVICE_MOUSE:
@ -475,7 +563,8 @@ static void report_buttons()
break;
default:
fprintf(stderr, "[libretro]: Unknown device...\n");
if (log_cb)
log_cb(RETRO_LOG_ERROR, "[libretro]: Unknown device...\n");
}
}
@ -483,6 +572,10 @@ static void report_buttons()
void retro_run()
{
bool updated = false;
if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE_UPDATE, &updated) && updated)
update_variables();
s9x_poller_cb();
report_buttons();
S9xMainLoop();
@ -494,6 +587,8 @@ void retro_deinit()
Memory.Deinit();
S9xGraphicsDeinit();
S9xUnmapAllControls();
free(GFX.Screen);
}

477
libretro/libretro.h Normal file → Executable file
View File

@ -1,7 +1,29 @@
/* Copyright (C) 2010-2013 The RetroArch team
*
* ---------------------------------------------------------------------------------------
* The following license statement only applies to this libretro API header (libretro.h).
* ---------------------------------------------------------------------------------------
*
* Permission is hereby granted, free of charge,
* to any person obtaining a copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation the rights to
* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software,
* and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
* INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#ifndef LIBRETRO_H__
#define LIBRETRO_H__
#include "snes9x.h"
#include <stdint.h>
#include <stddef.h>
#include <limits.h>
@ -19,7 +41,7 @@ extern "C" {
#endif
// Used for checking API/ABI mismatches that can break libretro implementations.
// It is not incremented for compatible changes.
// It is not incremented for compatible changes to the API.
#define RETRO_API_VERSION 1
// Libretro's fundamental device abstractions.
@ -50,6 +72,31 @@ extern "C" {
// Only use ANALOG type when polling for analog values of the axes.
#define RETRO_DEVICE_ANALOG 5
// Abstracts the concept of a pointing mechanism, e.g. touch.
// This allows libretro to query in absolute coordinates where on the screen a mouse (or something similar) is being placed.
// For a touch centric device, coordinates reported are the coordinates of the press.
//
// Coordinates in X and Y are reported as:
// [-0x7fff, 0x7fff]: -0x7fff corresponds to the far left/top of the screen,
// and 0x7fff corresponds to the far right/bottom of the screen.
// The "screen" is here defined as area that is passed to the frontend and later displayed on the monitor.
// The frontend is free to scale/resize this screen as it sees fit, however,
// (X, Y) = (-0x7fff, -0x7fff) will correspond to the top-left pixel of the game image, etc.
//
// To check if the pointer coordinates are valid (e.g. a touch display actually being touched),
// PRESSED returns 1 or 0.
// If using a mouse, PRESSED will usually correspond to the left mouse button.
// PRESSED will only return 1 if the pointer is inside the game screen.
//
// For multi-touch, the index variable can be used to successively query more presses.
// If index = 0 returns true for _PRESSED, coordinates can be extracted
// with _X, _Y for index = 0. One can then query _PRESSED, _X, _Y with index = 1, and so on.
// Eventually _PRESSED will return false for an index. No further presses are registered at this point.
#define RETRO_DEVICE_POINTER 6
// FIXME: Document this.
#define RETRO_DEVICE_SENSOR_ACCELEROMETER 7
// These device types are specializations of the base types above.
// They should only be used in retro_set_controller_type() to inform libretro implementations
// about use of a very specific device type.
@ -101,6 +148,16 @@ extern "C" {
#define RETRO_DEVICE_ID_LIGHTGUN_PAUSE 5
#define RETRO_DEVICE_ID_LIGHTGUN_START 6
// Id values for POINTER.
#define RETRO_DEVICE_ID_POINTER_X 0
#define RETRO_DEVICE_ID_POINTER_Y 1
#define RETRO_DEVICE_ID_POINTER_PRESSED 2
// Id values for SENSOR types.
#define RETRO_DEVICE_ID_SENSOR_ACCELEROMETER_X 0
#define RETRO_DEVICE_ID_SENSOR_ACCELEROMETER_Y 1
#define RETRO_DEVICE_ID_SENSOR_ACCELEROMETER_Z 2
// Returned from retro_get_region().
#define RETRO_REGION_NTSC 0
#define RETRO_REGION_PAL 1
@ -285,9 +342,32 @@ enum retro_key
RETROK_EURO = 321,
RETROK_UNDO = 322,
RETROK_LAST
RETROK_LAST,
RETROK_DUMMY = INT_MAX // Ensure sizeof(enum) == sizeof(int)
};
enum retro_mod
{
RETROKMOD_NONE = 0x0000,
RETROKMOD_SHIFT = 0x01,
RETROKMOD_CTRL = 0x02,
RETROKMOD_ALT = 0x04,
RETROKMOD_META = 0x08,
RETROKMOD_NUMLOCK = 0x10,
RETROKMOD_CAPSLOCK = 0x20,
RETROKMOD_SCROLLOCK = 0x40,
RETROKMOD_DUMMY = INT_MAX // Ensure sizeof(enum) == sizeof(int)
};
// If set, this call is not part of the public libretro API yet. It can change or be removed at any time.
#define RETRO_ENVIRONMENT_EXPERIMENTAL 0x10000
// Environment callback to be used internally in frontend.
#define RETRO_ENVIRONMENT_PRIVATE 0x20000
// Environment commands.
#define RETRO_ENVIRONMENT_SET_ROTATION 1 // const unsigned * --
// Sets screen rotation of graphics.
@ -302,18 +382,7 @@ enum retro_key
// Boolean value whether or not frontend supports frame duping,
// passing NULL to video frame callback.
//
#define RETRO_ENVIRONMENT_GET_VARIABLE 4 // struct retro_variable * --
// Interface to aquire user-defined information from environment
// that cannot feasibly be supported in a multi-system way.
// Mostly used for obscure,
// specific features that the user can tap into when neseccary.
//
#define RETRO_ENVIRONMENT_SET_VARIABLES 5 // const struct retro_variable * --
// Allows an implementation to signal the environment
// which variables it might want to check for later using GET_VARIABLE.
// 'data' points to an array of retro_variable structs terminated by a { NULL, NULL } element.
// retro_variable::value should contain a human readable description of the key.
//
// Environ 4, 5 are no longer supported (GET_VARIABLE / SET_VARIABLES), and reserved to avoid possible ABI clash.
#define RETRO_ENVIRONMENT_SET_MESSAGE 6 // const struct retro_message * --
// Sets a message to be displayed in implementation-specific manner for a certain amount of 'frames'.
// Should not be used for trivial messages, which should simply be logged to stderr.
@ -366,7 +435,385 @@ enum retro_key
// It is up to the frontend to present this in a usable way.
// The array is terminated by retro_input_descriptor::description being set to NULL.
// This function can be called at any time, but it is recommended to call it as early as possible.
#define RETRO_ENVIRONMENT_SET_KEYBOARD_CALLBACK 12
// const struct retro_keyboard_callback * --
// Sets a callback function used to notify core about keyboard events.
//
#define RETRO_ENVIRONMENT_SET_DISK_CONTROL_INTERFACE 13
// const struct retro_disk_control_callback * --
// Sets an interface which frontend can use to eject and insert disk images.
// This is used for games which consist of multiple images and must be manually
// swapped out by the user (e.g. PSX).
#define RETRO_ENVIRONMENT_SET_HW_RENDER 14
// struct retro_hw_render_callback * --
// Sets an interface to let a libretro core render with hardware acceleration.
// Should be called in retro_load_game().
// If successful, libretro cores will be able to render to a frontend-provided framebuffer.
// The size of this framebuffer will be at least as large as max_width/max_height provided in get_av_info().
// If HW rendering is used, pass only RETRO_HW_FRAME_BUFFER_VALID or NULL to retro_video_refresh_t.
#define RETRO_ENVIRONMENT_GET_VARIABLE 15
// struct retro_variable * --
// Interface to acquire user-defined information from environment
// that cannot feasibly be supported in a multi-system way.
// 'key' should be set to a key which has already been set by SET_VARIABLES.
// 'data' will be set to a value or NULL.
//
#define RETRO_ENVIRONMENT_SET_VARIABLES 16
// const struct retro_variable * --
// Allows an implementation to signal the environment
// which variables it might want to check for later using GET_VARIABLE.
// This allows the frontend to present these variables to a user dynamically.
// This should be called as early as possible (ideally in retro_set_environment).
//
// 'data' points to an array of retro_variable structs terminated by a { NULL, NULL } element.
// retro_variable::key should be namespaced to not collide with other implementations' keys. E.g. A core called 'foo' should use keys named as 'foo_option'.
// retro_variable::value should contain a human readable description of the key as well as a '|' delimited list of expected values.
// The number of possible options should be very limited, i.e. it should be feasible to cycle through options without a keyboard.
// First entry should be treated as a default.
//
// Example entry:
// { "foo_option", "Speed hack coprocessor X; false|true" }
//
// Text before first ';' is description. This ';' must be followed by a space, and followed by a list of possible values split up with '|'.
// Only strings are operated on. The possible values will generally be displayed and stored as-is by the frontend.
//
#define RETRO_ENVIRONMENT_GET_VARIABLE_UPDATE 17
// bool * --
// Result is set to true if some variables are updated by
// frontend since last call to RETRO_ENVIRONMENT_GET_VARIABLE.
// Variables should be queried with GET_VARIABLE.
//
#define RETRO_ENVIRONMENT_SET_SUPPORT_NO_GAME 18
// const bool * --
// If true, the libretro implementation supports calls to retro_load_game() with NULL as argument.
// Used by cores which can run without particular game data.
// This should be called within retro_set_environment() only.
//
#define RETRO_ENVIRONMENT_GET_LIBRETRO_PATH 19
// const char ** --
// Retrieves the absolute path from where this libretro implementation was loaded.
// NULL is returned if the libretro was loaded statically (i.e. linked statically to frontend), or if the path cannot be determined.
// Mostly useful in cooperation with SET_SUPPORT_NO_GAME as assets can be loaded without ugly hacks.
//
//
// Environment 20 was an obsolete version of SET_AUDIO_CALLBACK. It was not used by any known core at the time,
// and was removed from the API.
#define RETRO_ENVIRONMENT_SET_AUDIO_CALLBACK 22
// const struct retro_audio_callback * --
// Sets an interface which is used to notify a libretro core about audio being available for writing.
// The callback can be called from any thread, so a core using this must have a thread safe audio implementation.
// It is intended for games where audio and video are completely asynchronous and audio can be generated on the fly.
// This interface is not recommended for use with emulators which have highly synchronous audio.
//
// The callback only notifies about writability; the libretro core still has to call the normal audio callbacks
// to write audio. The audio callbacks must be called from within the notification callback.
// The amount of audio data to write is up to the implementation.
// Generally, the audio callback will be called continously in a loop.
//
// Due to thread safety guarantees and lack of sync between audio and video, a frontend
// can selectively disallow this interface based on internal configuration. A core using
// this interface must also implement the "normal" audio interface.
//
// A libretro core using SET_AUDIO_CALLBACK should also make use of SET_FRAME_TIME_CALLBACK.
#define RETRO_ENVIRONMENT_SET_FRAME_TIME_CALLBACK 21
// const struct retro_frame_time_callback * --
// Lets the core know how much time has passed since last invocation of retro_run().
// The frontend can tamper with the timing to fake fast-forward, slow-motion, frame stepping, etc.
// In this case the delta time will use the reference value in frame_time_callback..
//
#define RETRO_ENVIRONMENT_GET_RUMBLE_INTERFACE 23
// struct retro_rumble_interface * --
// Gets an interface which is used by a libretro core to set state of rumble motors in controllers.
// A strong and weak motor is supported, and they can be controlled indepedently.
//
#define RETRO_ENVIRONMENT_GET_INPUT_DEVICE_CAPABILITIES 24
// uint64_t * --
// Gets a bitmask telling which device type are expected to be handled properly in a call to retro_input_state_t.
// Devices which are not handled or recognized always return 0 in retro_input_state_t.
// Example bitmask: caps = (1 << RETRO_DEVICE_JOYPAD) | (1 << RETRO_DEVICE_ANALOG).
// Should only be called in retro_run().
//
#define RETRO_ENVIRONMENT_GET_SENSOR_INTERFACE (25 | RETRO_ENVIRONMENT_EXPERIMENTAL)
// struct retro_sensor_interface * --
// Gets access to the sensor interface.
// The purpose of this interface is to allow
// setting state related to sensors such as polling rate, enabling/disable it entirely, etc.
// Reading sensor state is done via the normal input_state_callback API.
//
#define RETRO_ENVIRONMENT_GET_CAMERA_INTERFACE (26 | RETRO_ENVIRONMENT_EXPERIMENTAL)
// struct retro_camera_callback * --
// Gets an interface to a video camera driver.
// A libretro core can use this interface to get access to a video camera.
// New video frames are delivered in a callback in same thread as retro_run().
//
// GET_CAMERA_INTERFACE should be called in retro_load_game().
//
// Depending on the camera implementation used, camera frames will be delivered as a raw framebuffer,
// or as an OpenGL texture directly.
//
// The core has to tell the frontend here which types of buffers can be handled properly.
// An OpenGL texture can only be handled when using a libretro GL core (SET_HW_RENDER).
// It is recommended to use a libretro GL core when using camera interface.
//
// The camera is not started automatically. The retrieved start/stop functions must be used to explicitly
// start and stop the camera driver.
//
#define RETRO_ENVIRONMENT_GET_LOG_INTERFACE 27
// struct retro_log_callback * --
// Gets an interface for logging. This is useful for logging in a cross-platform way
// as certain platforms cannot use use stderr for logging. It also allows the frontend to
// show logging information in a more suitable way.
// If this interface is not used, libretro cores should log to stderr as desired.
enum retro_log_level
{
RETRO_LOG_DEBUG = 0,
RETRO_LOG_INFO,
RETRO_LOG_WARN,
RETRO_LOG_ERROR,
RETRO_LOG_DUMMY = INT_MAX
};
// Logging function. Takes log level argument as well.
typedef void (*retro_log_printf_t)(enum retro_log_level level, const char *fmt, ...);
struct retro_log_callback
{
retro_log_printf_t log;
};
// FIXME: Document the sensor API and work out behavior.
// It will be marked as experimental until then.
enum retro_sensor_action
{
RETRO_SENSOR_ACCELEROMETER_ENABLE = 0,
RETRO_SENSOR_ACCELEROMETER_DISABLE,
RETRO_SENSOR_DUMMY = INT_MAX
};
typedef bool (*retro_set_sensor_state_t)(unsigned port, enum retro_sensor_action action, unsigned rate);
struct retro_sensor_interface
{
retro_set_sensor_state_t set_sensor_state;
};
////
enum retro_camera_buffer
{
RETRO_CAMERA_BUFFER_OPENGL_TEXTURE = 0,
RETRO_CAMERA_BUFFER_RAW_FRAMEBUFFER,
RETRO_CAMERA_BUFFER_DUMMY = INT_MAX
};
// Starts the camera driver. Can only be called in retro_run().
typedef bool (*retro_camera_start_t)(void);
// Stops the camera driver. Can only be called in retro_run().
typedef void (*retro_camera_stop_t)(void);
// Callback which signals when the camera driver is initialized and/or deinitialized.
// retro_camera_start_t can be called in initialized callback.
typedef void (*retro_camera_lifetime_status_t)(void);
// A callback for raw framebuffer data. buffer points to an XRGB8888 buffer.
// Width, height and pitch are similar to retro_video_refresh_t.
// First pixel is top-left origin.
typedef void (*retro_camera_frame_raw_framebuffer_t)(const uint32_t *buffer, unsigned width, unsigned height, size_t pitch);
// A callback for when OpenGL textures are used.
//
// texture_id is a texture owned by camera driver.
// Its state or content should be considered immutable, except for things like texture filtering and clamping.
//
// texture_target is the texture target for the GL texture.
// These can include e.g. GL_TEXTURE_2D, GL_TEXTURE_RECTANGLE, and possibly more depending on extensions.
//
// affine points to a packed 3x3 column-major matrix used to apply an affine transform to texture coordinates. (affine_matrix * vec3(coord_x, coord_y, 1.0))
// After transform, normalized texture coord (0, 0) should be bottom-left and (1, 1) should be top-right (or (width, height) for RECTANGLE).
//
// GL-specific typedefs are avoided here to avoid relying on gl.h in the API definition.
typedef void (*retro_camera_frame_opengl_texture_t)(unsigned texture_id, unsigned texture_target, const float *affine);
struct retro_camera_callback
{
uint64_t caps; // Set by libretro core. Example bitmask: caps = (1 << RETRO_CAMERA_BUFFER_OPENGL_TEXTURE) | (1 << RETRO_CAMERA_BUFFER_RAW_FRAMEBUFFER).
unsigned width; // Desired resolution for camera. Is only used as a hint.
unsigned height;
retro_camera_start_t start; // Set by frontend.
retro_camera_stop_t stop; // Set by frontend.
retro_camera_frame_raw_framebuffer_t frame_raw_framebuffer; // Set by libretro core if raw framebuffer callbacks will be used.
retro_camera_frame_opengl_texture_t frame_opengl_texture; // Set by libretro core if OpenGL texture callbacks will be used.
// Set by libretro core. Called after camera driver is initialized and ready to be started.
// Can be NULL, in which this callback is not called.
retro_camera_lifetime_status_t initialized;
// Set by libretro core. Called right before camera driver is deinitialized.
// Can be NULL, in which this callback is not called.
retro_camera_lifetime_status_t deinitialized;
};
enum retro_rumble_effect
{
RETRO_RUMBLE_STRONG = 0,
RETRO_RUMBLE_WEAK = 1,
RETRO_RUMBLE_DUMMY = INT_MAX
};
// Sets rumble state for joypad plugged in port 'port'. Rumble effects are controlled independently,
// and setting e.g. strong rumble does not override weak rumble.
// Strength has a range of [0, 0xffff].
//
// Returns true if rumble state request was honored. Calling this before first retro_run() is likely to return false.
typedef bool (*retro_set_rumble_state_t)(unsigned port, enum retro_rumble_effect effect, uint16_t strength);
struct retro_rumble_interface
{
retro_set_rumble_state_t set_rumble_state;
};
// Notifies libretro that audio data should be written.
typedef void (*retro_audio_callback_t)(void);
// True: Audio driver in frontend is active, and callback is expected to be called regularily.
// False: Audio driver in frontend is paused or inactive. Audio callback will not be called until set_state has been called with true.
// Initial state is false (inactive).
typedef void (*retro_audio_set_state_callback_t)(bool enabled);
struct retro_audio_callback
{
retro_audio_callback_t callback;
retro_audio_set_state_callback_t set_state;
};
// Notifies a libretro core of time spent since last invocation of retro_run() in microseconds.
// It will be called right before retro_run() every frame.
// The frontend can tamper with timing to support cases like fast-forward, slow-motion and framestepping.
// In those scenarios the reference frame time value will be used.
typedef int64_t retro_usec_t;
typedef void (*retro_frame_time_callback_t)(retro_usec_t usec);
struct retro_frame_time_callback
{
retro_frame_time_callback_t callback;
retro_usec_t reference; // Represents the time of one frame. It is computed as 1000000 / fps, but the implementation will resolve the rounding to ensure that framestepping, etc is exact.
};
// Pass this to retro_video_refresh_t if rendering to hardware.
// Passing NULL to retro_video_refresh_t is still a frame dupe as normal.
#define RETRO_HW_FRAME_BUFFER_VALID ((void*)-1)
// Invalidates the current HW context.
// Any GL state is lost, and must not be deinitialized explicitly. If explicit deinitialization is desired by the libretro core,
// it should implement context_destroy callback.
// If called, all GPU resources must be reinitialized.
// Usually called when frontend reinits video driver.
// Also called first time video driver is initialized, allowing libretro core to init resources.
typedef void (*retro_hw_context_reset_t)(void);
// Gets current framebuffer which is to be rendered to. Could change every frame potentially.
typedef uintptr_t (*retro_hw_get_current_framebuffer_t)(void);
// Get a symbol from HW context.
typedef void (*retro_proc_address_t)(void);
typedef retro_proc_address_t (*retro_hw_get_proc_address_t)(const char *sym);
enum retro_hw_context_type
{
RETRO_HW_CONTEXT_NONE = 0,
RETRO_HW_CONTEXT_OPENGL, // OpenGL 2.x. Latest version available before 3.x+. Driver can choose to use latest compatibility context.
RETRO_HW_CONTEXT_OPENGLES2, // GLES 2.0
RETRO_HW_CONTEXT_OPENGL_CORE, // Modern desktop core GL context. Use major/minor fields to set GL version.
RETRO_HW_CONTEXT_OPENGLES3, // GLES 3.0
RETRO_HW_CONTEXT_DUMMY = INT_MAX
};
struct retro_hw_render_callback
{
enum retro_hw_context_type context_type; // Which API to use. Set by libretro core.
retro_hw_context_reset_t context_reset; // Called when a context has been created or when it has been reset.
retro_hw_get_current_framebuffer_t get_current_framebuffer; // Set by frontend.
retro_hw_get_proc_address_t get_proc_address; // Set by frontend.
bool depth; // Set if render buffers should have depth component attached.
bool stencil; // Set if stencil buffers should be attached.
// If depth and stencil are true, a packed 24/8 buffer will be added. Only attaching stencil is invalid and will be ignored.
bool bottom_left_origin; // Use conventional bottom-left origin convention. Is false, standard libretro top-left origin semantics are used.
unsigned version_major; // Major version number for core GL context.
unsigned version_minor; // Minor version number for core GL context.
bool cache_context; // If this is true, the frontend will go very far to avoid resetting context in scenarios like toggling fullscreen, etc.
// The reset callback might still be called in extreme situations such as if the context is lost beyond recovery.
// For optimal stability, set this to false, and allow context to be reset at any time.
retro_hw_context_reset_t context_destroy; // A callback to be called before the context is destroyed. Resources can be deinitialized at this step. This can be set to NULL, in which resources will just be destroyed without any notification.
bool debug_context; // Creates a debug context.
};
// Callback type passed in RETRO_ENVIRONMENT_SET_KEYBOARD_CALLBACK. Called by the frontend in response to keyboard events.
// down is set if the key is being pressed, or false if it is being released.
// keycode is the RETROK value of the char.
// character is the text character of the pressed key. (UTF-32).
// key_modifiers is a set of RETROKMOD values or'ed together.
//
// The pressed/keycode state can be indepedent of the character.
// It is also possible that multiple characters are generated from a single keypress.
// Keycode events should be treated separately from character events.
// However, when possible, the frontend should try to synchronize these.
// If only a character is posted, keycode should be RETROK_UNKNOWN.
// Similarily if only a keycode event is generated with no corresponding character, character should be 0.
typedef void (*retro_keyboard_event_t)(bool down, unsigned keycode, uint32_t character, uint16_t key_modifiers);
struct retro_keyboard_callback
{
retro_keyboard_event_t callback;
};
// Callbacks for RETRO_ENVIRONMENT_SET_DISK_CONTROL_INTERFACE.
// Should be set for implementations which can swap out multiple disk images in runtime.
// If the implementation can do this automatically, it should strive to do so.
// However, there are cases where the user must manually do so.
//
// Overview: To swap a disk image, eject the disk image with set_eject_state(true).
// Set the disk index with set_image_index(index). Insert the disk again with set_eject_state(false).
// If ejected is true, "ejects" the virtual disk tray.
// When ejected, the disk image index can be set.
typedef bool (*retro_set_eject_state_t)(bool ejected);
// Gets current eject state. The initial state is 'not ejected'.
typedef bool (*retro_get_eject_state_t)(void);
// Gets current disk index. First disk is index 0.
// If return value is >= get_num_images(), no disk is currently inserted.
typedef unsigned (*retro_get_image_index_t)(void);
// Sets image index. Can only be called when disk is ejected.
// The implementation supports setting "no disk" by using an index >= get_num_images().
typedef bool (*retro_set_image_index_t)(unsigned index);
// Gets total number of images which are available to use.
typedef unsigned (*retro_get_num_images_t)(void);
//
// Replaces the disk image associated with index.
// Arguments to pass in info have same requirements as retro_load_game().
// Virtual disk tray must be ejected when calling this.
// Replacing a disk image with info = NULL will remove the disk image from the internal list.
// As a result, calls to get_image_index() can change.
//
// E.g. replace_image_index(1, NULL), and previous get_image_index() returned 4 before.
// Index 1 will be removed, and the new index is 3.
struct retro_game_info;
typedef bool (*retro_replace_image_index_t)(unsigned index, const struct retro_game_info *info);
// Adds a new valid index (get_num_images()) to the internal disk list.
// This will increment subsequent return values from get_num_images() by 1.
// This image index cannot be used until a disk image has been set with replace_image_index.
typedef bool (*retro_add_image_index_t)(void);
struct retro_disk_control_callback
{
retro_set_eject_state_t set_eject_state;
retro_get_eject_state_t get_eject_state;
retro_get_image_index_t get_image_index;
retro_set_image_index_t set_image_index;
retro_get_num_images_t get_num_images;
retro_replace_image_index_t replace_image_index;
retro_add_image_index_t add_image_index;
};
enum retro_pixel_format
{

6
memmap.cpp
View File

@ -1519,8 +1519,10 @@ bool8 CMemory::LoadROMMem (const uint8 *source, uint32 sourceSize)
strcpy(ROMFilename,"MemoryROM");
int counter=0;
do
{
if (++counter>5) return FALSE;//if we keep failing, just give up after a while or we'll loop forever.
memset(ROM,0, MAX_ROM_SIZE);
memset(&Multi, 0,sizeof(Multi));
memcpy(ROM,source,sourceSize);
@ -1537,8 +1539,10 @@ bool8 CMemory::LoadROM (const char *filename)
int32 totalFileSize;
int counter=0;
do
{
if (++counter>5) return FALSE;
memset(ROM,0, MAX_ROM_SIZE);
memset(&Multi, 0,sizeof(Multi));
totalFileSize = FileLoader(ROM, filename, MAX_ROM_SIZE);
@ -3375,7 +3379,7 @@ uint16 CMemory::checksum_calc_sum (uint8 *data, uint32 length)
uint16 CMemory::checksum_mirror_sum (uint8 *start, uint32 &length, uint32 mask)
{
// from NSRT
while (!(length & mask))
while (!(length & mask) && mask)
mask >>= 1;
uint16 part1 = checksum_calc_sum(start, mask);

2
port.h
View File

@ -334,7 +334,7 @@ void SetInfoDlgColor(unsigned char, unsigned char, unsigned char);
#define TITLE "Snes9x"
#endif
#if defined(__i386__) || defined(__i486__) || defined(__i586__) || defined(__i686__) || defined(__x86_64__) || defined(__alpha__) || defined(__MIPSEL__) || defined(_M_IX86) || defined(_M_X64) || defined(_XBOX1) || defined(ARM)
#if defined(__i386__) || defined(__i486__) || defined(__i586__) || defined(__i686__) || defined(__x86_64__) || defined(__alpha__) || defined(__MIPSEL__) || defined(_M_IX86) || defined(_M_X64) || defined(_XBOX1) || defined(ARM) || defined(ANDROID)
#define LSB_FIRST
#define FAST_LSB_WORD_ACCESS
#else