empathicqubit/AppleWin
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Some change to better structure the code.

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Signed-off-by: Andrea Odetti <mariofutire@gmail.com>
This commit is contained in:
Andrea Odetti 2020-12-11 19:38:47 +00:00
parent 40b838aeb9
commit 7f441060f2
1 changed files with 37 additions and 30 deletions
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67
source/frontends/retro/libretro.cpp
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@ -35,9 +35,6 @@
namespace
{
bool use_audio_cb;
float last_aspect;
float last_sample_rate;
std::string retro_base_directory;
retro_video_refresh_t video_cb;
@ -45,11 +42,10 @@ namespace
retro_audio_sample_batch_t audio_batch_cb;
retro_input_poll_t input_poll_cb;
retro_input_state_t input_state_cb;
retro_rumble_interface rumble;
retro_environment_t environ_cb;
Speed speed(true);
Speed speed(true); // fixed speed
void initialiseEmulator()
{
@ -63,7 +59,6 @@ namespace
g_nAppMode = MODE_RUNNING;
LogFileOutput("Initialisation\n");
ImageInitialize();
g_bFullSpeed = false;
LoadConfiguration();
@ -103,11 +98,39 @@ namespace
CpuDestroy();
GetCardMgr().GetDisk2CardMgr().Destroy();
ImageDestroy();
LogDone();
RiffFinishWriteFile();
}
void runOneFrame()
{
if (g_nAppMode == MODE_RUNNING)
{
const size_t cyclesToExecute = speed.getCyclesTillNext(16);
const bool bVideoUpdate = true;
const UINT dwClksPerFrame = NTSC_GetCyclesPerFrame();
const DWORD executedCycles = CpuExecute(cyclesToExecute, bVideoUpdate);
g_dwCyclesThisFrame = (g_dwCyclesThisFrame + executedCycles) % dwClksPerFrame;
GetCardMgr().GetDisk2CardMgr().UpdateDriveState(executedCycles);
MB_PeriodicUpdate(executedCycles);
SpkrUpdate(executedCycles);
}
}
void processInputEvents()
{
input_poll_cb();
const int16_t is_down = input_state_cb(0, RETRO_DEVICE_KEYBOARD, 0, RETROK_a);
if (is_down)
{
log_cb(RETRO_LOG_INFO, "RA2: %s. A is down\n", __FUNCTION__);
}
}
}
int MessageBox(HWND, const char * text, const char * caption, UINT type)
@ -185,17 +208,15 @@ void retro_get_system_info(retro_system_info *info)
void retro_get_system_av_info(retro_system_av_info *info)
{
log_cb(RETRO_LOG_INFO, "RA2: %s\n", __FUNCTION__);
float aspect = 0.0f;
float sampling_rate = 30000.0f;
info->geometry.base_width = GetFrameBufferWidth();
info->geometry.base_height = GetFrameBufferHeight();
info->geometry.max_width = GetFrameBufferWidth();
info->geometry.max_height = GetFrameBufferHeight();
info->geometry.aspect_ratio = aspect;
info->geometry.aspect_ratio = 0;
last_aspect = aspect;
last_sample_rate = sampling_rate;
info->timing.fps = 60;
info->timing.sample_rate = 0;
}
void retro_set_environment(retro_environment_t cb)
@ -210,7 +231,7 @@ void retro_set_environment(retro_environment_t cb)
static const retro_controller_description controllers[] =
{
{ "Nintendo DS", RETRO_DEVICE_SUBCLASS(RETRO_DEVICE_JOYPAD, 0) },
{ "Apple Keyboard", RETRO_DEVICE_SUBCLASS(RETRO_DEVICE_KEYBOARD, 0) },
};
static const retro_controller_info ports[] =
@ -254,24 +275,10 @@ void retro_set_video_refresh(retro_video_refresh_t cb)
void retro_run(void)
{
if (g_nAppMode == MODE_RUNNING)
{
const size_t cyclesToExecute = speed.getCyclesTillNext(16);
const bool bVideoUpdate = true;
const UINT dwClksPerFrame = NTSC_GetCyclesPerFrame();
const DWORD executedCycles = CpuExecute(cyclesToExecute, bVideoUpdate);
g_dwCyclesThisFrame = (g_dwCyclesThisFrame + executedCycles) % dwClksPerFrame;
GetCardMgr().GetDisk2CardMgr().UpdateDriveState(executedCycles);
MB_PeriodicUpdate(executedCycles);
SpkrUpdate(executedCycles);
}
// log_cb(RETRO_LOG_INFO, "RA2: %s\n", __FUNCTION__);
const size_t pitch = GetFrameBufferWidth() * 4;
input_poll_cb();
processInputEvents();
runOneFrame();
const size_t pitch = GetFrameBufferWidth() * 4;
video_cb(g_pFramebufferbits, GetFrameBufferWidth(), GetFrameBufferHeight(), pitch);
}