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32x, improved auto frame skip, plus new config option for max auto skip

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This commit is contained in:
kub 2019-10-11 00:06:50 +02:00
parent 20d2358ab1
commit e7ee7bc00a
5 changed files with 17 additions and 3 deletions
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4
platform/common/config_file.c
View file

@ -322,6 +322,10 @@ static int custom_read(menu_entry *me, const char *var, const char *val)
currentConfig.gamma = atoi(val);
return 1;
case MA_OPT2_MAX_FRAMESKIP:
currentConfig.max_skip = atoi(val);
return 1;
/* PSP */
case MA_OPT3_SCALE:
if (strcasecmp(var, "Scale factor") != 0) return 0;

11
platform/common/emu.c
View file

@ -596,6 +596,7 @@ void emu_prep_defconfig(void)
defaultConfig.turbo_rate = 15;
defaultConfig.msh2_khz = PICO_MSH2_HZ / 1000;
defaultConfig.ssh2_khz = PICO_SSH2_HZ / 1000;
defaultConfig.max_skip = 4;
// platform specific overrides
pemu_prep_defconfig();
@ -1463,10 +1464,16 @@ void emu_loop(void)
else if (diff < -target_frametime_x3)
{
/* no time left for this frame - skip */
/* limit auto frameskip to 8 */
if (frames_done / 8 <= frames_shown)
/* limit auto frameskip to max_skip */
if (fskip_cnt < currentConfig.max_skip) {
fskip_cnt++;
skip = 1;
}
else {
fskip_cnt = 0;
}
} else
fskip_cnt = 0;
// don't go in debt too much
while (diff < -target_frametime_x3 * 3) {

1
platform/common/emu.h
View file

@ -76,6 +76,7 @@ typedef struct _currentConfig_t {
int msh2_khz;
int ssh2_khz;
int overclock_68k;
int max_skip;
} currentConfig_t;
extern currentConfig_t currentConfig, defaultConfig;

1
platform/common/menu_pico.c
View file

@ -506,6 +506,7 @@ static menu_entry e_menu_adv_options[] =
mee_onoff ("Disable frame limiter", MA_OPT2_NO_FRAME_LIMIT,currentConfig.EmuOpt, EOPT_NO_FRMLIMIT),
mee_onoff ("Enable dynarecs", MA_OPT2_DYNARECS, PicoIn.opt, POPT_EN_DRC),
mee_onoff ("Status line in main menu", MA_OPT2_STATUS_LINE, currentConfig.EmuOpt, EOPT_SHOW_RTC),
mee_range ("Max auto frameskip", MA_OPT2_MAX_FRAMESKIP, currentConfig.max_skip, 1, 10),
mee_onoff ("PWM IRQ optimization", MA_OPT2_PWM_IRQ_OPT, PicoIn.opt, POPT_PWM_IRQ_OPT),
MENU_OPTIONS_ADV
mee_end,

1
platform/common/menu_pico.h
View file

@ -58,6 +58,7 @@ typedef enum
MA_OPT2_NO_SPRITE_LIM,
MA_OPT2_NO_IDLE_LOOPS,
MA_OPT2_OVERCLOCK_M68K,
MA_OPT2_MAX_FRAMESKIP,
MA_OPT2_PWM_IRQ_OPT,
MA_OPT2_DONE,
MA_OPT3_SCALE, /* psp (all OPT3) */