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sms, fix core timing

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This commit is contained in:
kub 2021-10-17 22:46:12 +02:00
parent d2e3f475ff
commit c644ce99cd
1 changed files with 3 additions and 3 deletions
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6
pico/sms.c
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@ -404,7 +404,7 @@ void PicoFrameMS(void)
struct PicoVideo *pv = &Pico.video; struct PicoVideo *pv = &Pico.video;
int is_pal = Pico.m.pal; int is_pal = Pico.m.pal;
int lines = is_pal ? 313 : 262; int lines = is_pal ? 313 : 262;
int cycles_line = is_pal ? 58020 : 58293; /* (226.6 : 227.7) * 256 */ int cycles_line = 228;
int cycles_done = 0, cycles_aim = 0; int cycles_done = 0, cycles_aim = 0;
int skip = PicoIn.skipFrame; int skip = PicoIn.skipFrame;
int lines_vis = 192; int lines_vis = 192;
@ -454,8 +454,8 @@ void PicoFrameMS(void)
} }
cycles_aim += cycles_line; cycles_aim += cycles_line;
Pico.t.z80c_aim = cycles_aim >> 8; Pico.t.z80c_aim = cycles_aim;
cycles_done += z80_run((cycles_aim - cycles_done) >> 8) << 8; cycles_done += z80_run(cycles_aim - cycles_done);
} }
if (PicoIn.sndOut) if (PicoIn.sndOut)