RaySollium99/picodrive
1
0
Fork 0
mirror of https://github.com/RaySollium99/picodrive.git synced 2025-09-05 15:27:46 -04:00
Code Issues Projects Releases Packages Wiki Activity Actions

sms, fix some minor vdp bugs

Browse source
This commit is contained in:
kub 2021-10-25 19:40:02 +02:00
parent 0be9a92e77
commit fd396e58d8
1 changed files with 17 additions and 13 deletions
Download patch file Download diff file Expand all files Collapse all files

30
pico/mode4.c
View file

@ -428,17 +428,18 @@ static void DrawSpritesTMS(int scanline)
if (sat[MEM_LE2(i+3)] & 0x80) if (sat[MEM_LE2(i+3)] & 0x80)
x -= 32; x -= 32;
c = sat[MEM_LE2(i+3)] & 0x0f; c = sat[MEM_LE2(i+3)] & 0x0f;
// c may be 0 (transparent): sprite invisible
if (x > 0) { if (x > 0) {
pack = PicoMem.vramb[MEM_LE2(sprites_addr[s])]; pack = PicoMem.vramb[MEM_LE2(sprites_addr[s])];
if (zoomed) TileDoubleSprTMS(x, pack, c); if (zoomed && c) TileDoubleSprTMS(x, pack, c);
else TileNormSprTMS(x, pack, c); else if (c) TileNormSprTMS(x, pack, c);
if (!m) m = CollisionDetect(mb, x, pack, zoomed); if (!m) m = CollisionDetect(mb, x, pack, zoomed);
} }
if((pv->reg[1] & 0x2) && (x+=w) > 0) { if((pv->reg[1] & 0x2) && (x+=w) > 0) {
pack = PicoMem.vramb[MEM_LE2(sprites_addr[s]+0x10)]; pack = PicoMem.vramb[MEM_LE2(sprites_addr[s]+0x10)];
if (zoomed) TileDoubleSprTMS(x, pack, c); if (zoomed && c) TileDoubleSprTMS(x, pack, c);
else TileNormSprTMS(x, pack, c); else if (c) TileNormSprTMS(x, pack, c);
if (!m) m = CollisionDetect(mb, x, pack, zoomed); if (!m) m = CollisionDetect(mb, x, pack, zoomed);
} }
} }
if (m) if (m)
@ -615,6 +616,7 @@ void PicoFrameStartSMS(void)
void PicoLineSMS(int line) void PicoLineSMS(int line)
{ {
int skip = skip_next_line; int skip = skip_next_line;
unsigned bgcolor;
// GG LCD, render only visible part of screen // GG LCD, render only visible part of screen
if ((Pico.m.hardware & 0x3) == 0x3 && (line < 24 || line >= 24+144)) if ((Pico.m.hardware & 0x3) == 0x3 && (line < 24 || line >= 24+144))
@ -629,7 +631,8 @@ void PicoLineSMS(int line)
} }
// Draw screen: // Draw screen:
BackFill(Pico.video.reg[7] & 0x0f, 0, &Pico.est); bgcolor = (Pico.video.reg[7] & 0x0f) | ((Pico.video.reg[0] & 0x04) << 2);
BackFill(bgcolor, 0, &Pico.est); // bgcolor is from 2nd palette in mode 4
if (Pico.video.reg[1] & 0x40) { if (Pico.video.reg[1] & 0x40) {
if (Pico.video.reg[0] & 0x04) DrawDisplayM4(line); if (Pico.video.reg[0] & 0x04) DrawDisplayM4(line);
else if (Pico.video.reg[0] & 0x02) DrawDisplayM2(line); else if (Pico.video.reg[0] & 0x02) DrawDisplayM2(line);
@ -649,8 +652,13 @@ norender:
/* Fixed palette for TMS9918 modes */ /* Fixed palette for TMS9918 modes */
static u16 tmspal[32] = { static u16 tmspal[32] = {
#if 1 // SMS palette
0x0000, 0x0000, 0x00a0, 0x00f0, 0x0500, 0x0f00, 0x0005, 0x0ff0, 0x0000, 0x0000, 0x00a0, 0x00f0, 0x0500, 0x0f00, 0x0005, 0x0ff0,
0x000a, 0x000f, 0x0055, 0x00ff, 0x0050, 0x0f0f, 0x0555, 0x0fff, 0x000a, 0x000f, 0x0055, 0x00ff, 0x0050, 0x0f0f, 0x0555, 0x0fff,
#else // TMS palette
0x0000, 0x0000, 0x04c2, 0x07d5, 0x0e55, 0x0f77, 0x045d, 0x0fe4,
0x055f, 0x077f, 0x05cd, 0x08ce, 0x03b2, 0x0b5c, 0x0ccc, 0x0fff,
#endif
}; };
void PicoDoHighPal555SMS(void) void PicoDoHighPal555SMS(void)
@ -668,15 +676,11 @@ void PicoDoHighPal555SMS(void)
if (FinalizeLineSMS == FinalizeLineRGB555SMS) if (FinalizeLineSMS == FinalizeLineRGB555SMS)
spal = (void *)PicoMem.cram; spal = (void *)PicoMem.cram;
// fixed palette in TMS modes
if (!(Pico.video.reg[0] & 0x4)) {
spal = (u32 *)tmspal;
cnt = 1;
}
/* SMS 6 bit cram data was already converted to MD/GG format by vdp write, /* SMS 6 bit cram data was already converted to MD/GG format by vdp write,
* hence GG/SMS/TMS can all be handled the same here */ * hence GG/SMS/TMS can all be handled the same here */
for (j = cnt; j > 0; j--) { for (j = cnt; j > 0; j--) {
if (!(Pico.video.reg[0] & 0x4))
spal = (u32 *)tmspal; // fixed palette in TMS modes
for (i = 0x20/2; i > 0; i--, spal++, dpal++) { for (i = 0x20/2; i > 0; i--, spal++, dpal++) {
t = *spal; t = *spal;
#if defined(USE_BGR555) #if defined(USE_BGR555)