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core, optimize vcounter handling

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This commit is contained in:
kub 2023-07-17 21:16:38 +02:00
parent 7021622153
commit 46b4c1d322
3 changed files with 13 additions and 13 deletions
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4
pico/pico_int.h
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@ -916,9 +916,9 @@ static __inline void VideoWriteVRAM(u32 a, u16 d)
UpdateSAT(a, d);
}
static __inline u8 PicoVideoGetV(int scanline)
static __inline u8 PicoVideoGetV(int scanline, int maywrap)
{
if (scanline >= Pico.t.vcnt_wrap) scanline -= Pico.t.vcnt_adj;
if (maywrap && scanline >= Pico.t.vcnt_wrap) scanline -= Pico.t.vcnt_adj;
if ((Pico.video.reg[12]&6) == 6) scanline = (scanline<<1) | 1;
return scanline;
}