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vdp rendering, fix fast-forward graphics

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This commit is contained in:
kub 2020-10-07 20:08:22 +02:00
parent 7165b73c26
commit 3031ff347a
2 changed files with 5 additions and 1 deletions
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5
pico/draw.c
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@ -1794,6 +1794,7 @@ PICO_INTERNAL void PicoFrameStart(void)
int offs = 8, lines = 224;
int dirty = ((Pico.est.rendstatus & PDRAW_SONIC_MODE) || Pico.m.dirtyPal);
int sprep = Pico.est.rendstatus & (PDRAW_SPRITES_MOVED|PDRAW_DIRTY_SPRITES);
int skipped = Pico.est.rendstatus & PDRAW_SKIP_FRAME;
// prepare to do this frame
Pico.est.rendstatus = 0;
@ -1813,7 +1814,9 @@ PICO_INTERNAL void PicoFrameStart(void)
lines, (Pico.video.reg[12] & 1) ? 0 : 1);
rendstatus_old = Pico.est.rendstatus;
}
if (sprep)
if (PicoIn.skipFrame) // preserve this until something is rendered at last
Pico.est.rendstatus |= PDRAW_SKIP_FRAME;
if (sprep | skipped)
Pico.est.rendstatus |= PDRAW_PARSE_SPRITES;
Pico.est.HighCol = HighColBase + offs * HighColIncrement;

1
pico/pico.h
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@ -208,6 +208,7 @@ void PicoDoHighPal555(int sh, int line, struct PicoEState *est);
#define PDRAW_SHHI_DONE (1<<7) // layer sh/hi already processed
#define PDRAW_32_COLS (1<<8) // 32 column mode
#define PDRAW_BORDER_32 (1<<9) // center H32 in buffer (32 px border)
#define PDRAW_SKIP_FRAME (1<<10) // frame is skipped
extern int rendstatus_old;
extern int rendlines;