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Merge pull request #253 from retro-wertz/libretro 

Libretro Updates
This commit is contained in:
Zach Bacon 2018-06-14 06:08:12 -04:00 committed by GitHub
parent 037e3771b1 17b681b864
commit 0047fa1a69
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
3 changed files with 155 additions and 81 deletions
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2
src/gba/ereader.cpp
View File

@ -482,7 +482,7 @@ void BIOS_EReader_ScanCard(int swi_num)
}
dotcodepointer++;
if ((dotcodepointer == dotcodeinterleave)) {
if (dotcodepointer == dotcodeinterleave) {
switch (dotcodeinterleave) {
case 0x1C:
j = 0x724;

2
src/libretro/UtilRetro.cpp
View File

@ -29,7 +29,7 @@ int cpuSaveType = 0;
int skipSaveGameBattery = 0;
int skipSaveGameCheats = 0;
int useBios = 0;
int cheatsEnabled = 1;
int cheatsEnabled = 0;
int layerSettings = 0xff00;
int layerEnable = 0xff00;
bool speedup = false;

156
src/libretro/libretro.cpp
View File

@ -40,9 +40,8 @@ static retro_environment_t environ_cb;
static bool enableRtc;
static bool can_dupe;
unsigned device_type = 0;
int emulating = 0;
static int controller_layout[2] = { 0, 0 };
static unsigned controller_layout = 0;
uint8_t libretro_save_buf[0x20000 + 0x2000]; /* Workaround for broken-by-design GBA save semantics. */
@ -65,9 +64,6 @@ int systemFrameSkip = 0;
int systemSaveUpdateCounter = SYSTEM_SAVE_NOT_UPDATED;
int systemSpeed = 0;
//uint64_t startTime = 0;
//uint32_t renderedFrames = 0;
void (*dbgOutput)(const char* s, uint32_t addr);
void (*dbgSignal)(int sig, int number);
@ -164,22 +160,24 @@ void retro_set_input_state(retro_input_state_t cb)
void retro_set_controller_port_device(unsigned port, unsigned device)
{
if (port > 0) return; // GBA Only supports 1 controller
log_cb(RETRO_LOG_INFO, "Controller %d'\n", device);
switch (device) {
case RETRO_DEVICE_JOYPAD:
case RETRO_DEVICE_GBA:
default:
controller_layout[port] = 0;
controller_layout = 0;
break;
case RETRO_DEVICE_GBA_ALT1:
controller_layout[port] = 1;
controller_layout = 1;
break;
case RETRO_DEVICE_GBA_ALT2:
controller_layout[port] = 2;
controller_layout = 2;
break;
case RETRO_DEVICE_NONE:
controller_layout[port] = -1;
controller_layout = -1;
break;
}
}
@ -189,6 +187,7 @@ void retro_set_environment(retro_environment_t cb)
environ_cb = cb;
struct retro_variable variables[] = {
{ "vbam_solarsensor", "Solar Sensor Level; 0|1|2|3|4|5|6|7|8|9|10" },
{ "vbam_usebios", "Use BIOS file (Restart); disabled|enabled" },
{ "vbam_layer_1", "Show layer 1; enabled|disabled" },
{ "vbam_layer_2", "Show layer 2; enabled|disabled" },
@ -205,12 +204,11 @@ void retro_set_environment(retro_environment_t cb)
{ "GBA Joypad", RETRO_DEVICE_GBA },
{ "Alt Joypad YB", RETRO_DEVICE_GBA_ALT1 },
{ "Alt Joypad AB", RETRO_DEVICE_GBA_ALT2 },
{ NULL, 0 },
};
static const struct retro_controller_info ports[] = {{ port_1, 3 },{ NULL,0 }};
cb(RETRO_ENVIRONMENT_SET_VARIABLES, variables);
cb(RETRO_ENVIRONMENT_SET_CONTROLLER_INFO, (void*)ports);
}
@ -446,6 +444,7 @@ static void gba_init(void)
flashSize = 0x10000;
enableRtc = false;
mirroringEnable = false;
#ifdef FRONTEND_SUPPORTS_RGB565
systemColorDepth = 16;
systemRedShift = 11;
@ -476,10 +475,7 @@ static void gba_init(void)
soundInit();
soundSetSampleRate(32000);
if (usebios && biosfile[0])
CPUInit(biosfile, true);
else
CPUInit(0, false);
CPUInit(biosfile, usebios);
CPUReset();
@ -504,7 +500,9 @@ void retro_reset(void)
CPUReset();
}
static const unsigned binds[] = {
#define MAX_BUTTONS 10
static const unsigned binds[3][MAX_BUTTONS] = {
{
RETRO_DEVICE_ID_JOYPAD_A,
RETRO_DEVICE_ID_JOYPAD_B,
RETRO_DEVICE_ID_JOYPAD_SELECT,
@ -515,9 +513,8 @@ static const unsigned binds[] = {
RETRO_DEVICE_ID_JOYPAD_DOWN,
RETRO_DEVICE_ID_JOYPAD_R,
RETRO_DEVICE_ID_JOYPAD_L
};
static const unsigned binds1[] = {
},
{
RETRO_DEVICE_ID_JOYPAD_B,
RETRO_DEVICE_ID_JOYPAD_Y,
RETRO_DEVICE_ID_JOYPAD_SELECT,
@ -528,9 +525,8 @@ static const unsigned binds1[] = {
RETRO_DEVICE_ID_JOYPAD_DOWN,
RETRO_DEVICE_ID_JOYPAD_R,
RETRO_DEVICE_ID_JOYPAD_L
};
static const unsigned binds2[] = {
},
{
RETRO_DEVICE_ID_JOYPAD_B,
RETRO_DEVICE_ID_JOYPAD_A,
RETRO_DEVICE_ID_JOYPAD_SELECT,
@ -541,9 +537,14 @@ static const unsigned binds2[] = {
RETRO_DEVICE_ID_JOYPAD_DOWN,
RETRO_DEVICE_ID_JOYPAD_R,
RETRO_DEVICE_ID_JOYPAD_L
}
};
static void systemUpdateSolarSensor(int level);
static unsigned has_frame;
static uint8_t sensorDarkness = 0xE8;
static uint8_t sensorDarknessLevel = 0; // so we can adjust sensor from gamepad
static void update_variables(void)
{
@ -575,6 +576,15 @@ static void update_variables(void)
bool newval = (strcmp(var.value, "enabled") == 0);
usebios = newval;
}
var.key = "vbam_solarsensor";
var.value = NULL;
if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
{
sensorDarknessLevel = atoi(var.value);
systemUpdateSolarSensor(sensorDarknessLevel);
}
}
#ifdef FINAL_VERSION
@ -586,11 +596,37 @@ static void update_variables(void)
void retro_run(void)
{
bool updated = false;
static bool buttonpressed = false;
if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE_UPDATE, &updated) && updated)
update_variables();
poll_cb();
// Update solar sensor level by gamepad buttons, default L2/R2
if (buttonpressed)
{
buttonpressed = input_cb(0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2) ||
input_cb(0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2);
}
else
{
if (input_cb(0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2))
{
sensorDarknessLevel++;
if (sensorDarknessLevel > 10)
sensorDarknessLevel = 10;
systemUpdateSolarSensor(sensorDarknessLevel);
buttonpressed = true;
}
else if (input_cb(0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2))
{
if (sensorDarknessLevel)
sensorDarknessLevel--;
systemUpdateSolarSensor(sensorDarknessLevel);
buttonpressed = true;
}
} // end of solar sensor update
has_frame = 0;
do {
@ -615,6 +651,7 @@ bool retro_unserialize(const void* data, size_t size)
void retro_cheat_reset(void)
{
cheatsEnabled = 1;
cheatsDeleteAll(false);
}
@ -724,6 +761,8 @@ bool retro_load_game(const struct retro_game_info *game)
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R, "R" },
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT, "Select" },
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" },
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2, "Solar Sensor (Darker)" },
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2, "Solar Sensor (Lighter)" },
{ 0 },
};
@ -766,9 +805,10 @@ bool retro_load_game(const struct retro_game_info *game)
bool retro_load_game_special(
unsigned game_type,
const struct retro_game_info *info, size_t num_info
)
{ return false; }
const struct retro_game_info *info, size_t num_info)
{
return false;
}
extern unsigned g_audio_frames;
static unsigned g_video_frames;
@ -791,8 +831,15 @@ void systemOnWriteDataToSoundBuffer(const uint16_t* finalWave, int length)
{
}
void systemOnSoundShutdown() {}
bool systemCanChangeSoundQuality() { return true; }
void systemOnSoundShutdown()
{
}
bool systemCanChangeSoundQuality()
{
return true;
}
#ifdef FRONTEND_SUPPORTS_RGB565
#define BPP 2
@ -853,27 +900,55 @@ uint32_t systemReadJoypad(int which)
if (which == -1)
which = 0;
unsigned ControllerLayout = controller_layout;
uint32_t J = 0;
for (unsigned i = 0; i < 10; i++) {
if (controller_layout[0] == 1)
J |= input_cb(which, RETRO_DEVICE_JOYPAD, 0, binds1[i]) << i;
else if (controller_layout[0] == 2)
J |= input_cb(which, RETRO_DEVICE_JOYPAD, 0, binds2[i]) << i;
else if (controller_layout[0] == -1)
break;
else
J |= input_cb(which, RETRO_DEVICE_JOYPAD, 0, binds[i]) << i;
}
for (unsigned i = 0; i < MAX_BUTTONS; i++)
J |= input_cb(which, RETRO_DEVICE_JOYPAD, 0, binds[ControllerLayout][i]) << i;
// Do not allow opposing directions
if ((J & 0x30) == 0x30)
J &= ~(0x30);
else if ((J & 0xC0) == 0xC0)
J &= ~(0xC0);
return J;
}
bool systemReadJoypads() { return true; }
static void systemUpdateSolarSensor(int v)
{
int value = 0;
switch (v)
{
case 1: value = 0x06; break;
case 2: value = 0x0E; break;
case 3: value = 0x18; break;
case 4: value = 0x20; break;
case 5: value = 0x28; break;
case 6: value = 0x38; break;
case 7: value = 0x48; break;
case 8: value = 0x60; break;
case 9: value = 0x78; break;
case 10: value = 0x98; break;
default: break;
}
void systemUpdateMotionSensor() {}
sensorDarkness = 0xE8 - value;
}
uint8_t systemGetSensorDarkness() { return 0; }
bool systemReadJoypads()
{
return true;
}
void systemUpdateMotionSensor()
{
}
uint8_t systemGetSensorDarkness()
{
return sensorDarkness;
}
void systemCartridgeRumble(bool)
{
@ -900,6 +975,5 @@ uint32_t systemGetClock()
SoundDriver* systemSoundInit()
{
soundShutdown();
return new SoundRetro();
}