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sms mode 4, fix 8 bit renderer code

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This commit is contained in:
kub 2020-07-25 23:58:57 +02:00
parent 2e5cbf5b6a
commit 7980d47767
4 changed files with 35 additions and 14 deletions
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17
pico/mode4.c
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@ -69,6 +69,8 @@ static void draw_sprites(int scanline)
if (pv->reg[0] & 8)
xoff = 0;
if (!(PicoIn.opt & POPT_DIS_32C_BORDER))
xoff += 32;
sat = (unsigned char *)PicoMem.vram + ((pv->reg[5] & 0x7e) << 7);
if (pv->reg[1] & 2) {
@ -177,6 +179,8 @@ static void DrawDisplayM4(int scanline)
if (dx != 8)
cells++; // have hscroll, need to draw 1 cell more
dx += cellskip << 3;
if (!FinalizeLineM4 && !(PicoIn.opt & POPT_DIS_32C_BORDER))
dx += 32;
// low priority tiles
if (!(pv->debug_p & PVD_KILL_B))
@ -190,9 +194,11 @@ static void DrawDisplayM4(int scanline)
if (!(pv->debug_p & PVD_KILL_A))
draw_strip(nametab, dx, cells, tilex | 0x1000 | (ty << 16));
if (pv->reg[0] & 0x20)
// first column masked
((int *)Pico.est.HighCol)[2] = ((int *)Pico.est.HighCol)[3] = 0xe0e0e0e0;
if (pv->reg[0] & 0x20) {
// first column masked, caculate offset to start of line
dx = (dx&~0x1f) / 4;
((u32 *)Pico.est.HighCol)[dx+2] = ((u32 *)Pico.est.HighCol)[dx+3] = 0xe0e0e0e0;
}
}
void PicoFrameStartMode4(void)
@ -219,6 +225,7 @@ void PicoFrameStartMode4(void)
rendlines = lines;
}
Pico.est.HighCol = HighColBase + screen_offset * HighColIncrement;
Pico.est.DrawLineDest = (char *)DrawLineDestBase + screen_offset * DrawLineDestIncrement;
}
@ -243,6 +250,7 @@ void PicoLineMode4(int line)
if (PicoScanEnd != NULL)
skip_next_line = PicoScanEnd(line + screen_offset);
Pico.est.HighCol += HighColIncrement;
Pico.est.DrawLineDest = (char *)Pico.est.DrawLineDest + DrawLineDestIncrement;
}
@ -296,7 +304,8 @@ void PicoDrawSetOutputMode4(pdso_t which)
{
case PDF_8BIT: FinalizeLineM4 = FinalizeLine8bitM4; break;
case PDF_RGB555: FinalizeLineM4 = FinalizeLineRGB555M4; break;
default: FinalizeLineM4 = NULL; break;
default: FinalizeLineM4 = NULL;
PicoDrawSetInternalBuf(Pico.est.Draw2FB, 328); break;
}
}