From d66500ebf90660321eae35a29795123694130b2f Mon Sep 17 00:00:00 2001
From: kub <derkub@gmail.com>
Date: Sat, 18 May 2024 11:27:54 +0200
Subject: [PATCH] quickfixes (needs breakup/cleanup later)

---
 pico/memory.c               |  2 +-
 pico/mode4.c                |  4 ++--
 pico/pico.c                 | 14 +++++++-------
 pico/videoport.c            |  2 +-
 platform/common/menu_pico.c |  2 +-
 5 files changed, 12 insertions(+), 12 deletions(-)

diff --git a/pico/memory.c b/pico/memory.c
index eca0ba457..487c5deb5 100644
--- a/pico/memory.c
+++ b/pico/memory.c
@@ -204,7 +204,7 @@ u32 PicoRead16_floating(u32 a)
   // faking open bus
   u32 d = (Pico.m.rotate += 0x41);
   d ^= (d << 5) ^ (d << 8);
-  if ((a & 0xff0000) == 0xa10000) d = 0; // MegaCD pulldowns don't work here curiously
+  if ((a & 0xff0000) == 0xa10000) return d; // MegaCD pulldowns don't work here curiously
   return (PicoIn.AHW & PAHW_MCD) ? 0x00 : d; // pulldown if MegaCD2 attached
 }
 
diff --git a/pico/mode4.c b/pico/mode4.c
index b396af66a..eada9741f 100644
--- a/pico/mode4.c
+++ b/pico/mode4.c
@@ -174,7 +174,7 @@ static void ParseSpritesM4(int scanline)
   if (zoomed) h *= 2;
   sprite_base = (pv->reg[6] & 4) << (13-2-1);
 
-  m = 0;
+  m = pv->status & SR_C;
   memset(sprites_map, 0, sizeof(sprites_map));
   for (i = s = 0; i < 64; i++)
   {
@@ -448,7 +448,7 @@ static void ParseSpritesTMS(int scanline)
   if (zoomed) h *= 2;
   sprite_base = (pv->reg[6] & 0x7) << 11;
 
-  m = 0;
+  m = pv->status & SR_C;
   memset(sprites_map, 0, sizeof(sprites_map));
   /* find sprites on this scanline */
   for (i = s = 0; i < 32; i++)
diff --git a/pico/pico.c b/pico/pico.c
index d913e0822..0e7e1d8fc 100644
--- a/pico/pico.c
+++ b/pico/pico.c
@@ -75,13 +75,6 @@ void PicoPower(void)
   // my MD1 VA6 console has this in IO
   PicoMem.ioports[1] = PicoMem.ioports[2] = PicoMem.ioports[3] = 0xff;
 
-  // powerup default VDP register values from TMSS BIOS
-  Pico.video.reg[0] = Pico.video.reg[1] = 0x04;
-  Pico.video.reg[0xc] = 0x81;
-  Pico.video.reg[0xf] = 0x02;
-  SATaddr = 0x0000;
-  SATmask = ~0x3ff;
-
   Pico.video.hint_irq = (PicoIn.AHW & PAHW_PICO ? 5 : 4);
 
   if (PicoIn.AHW & PAHW_MCD)
@@ -91,6 +84,13 @@ void PicoPower(void)
     PicoPower32x();
 
   PicoReset();
+
+  // powerup default VDP register values from TMSS BIOS
+  Pico.video.reg[0] = Pico.video.reg[1] = 0x04;
+  Pico.video.reg[0xc] = 0x81;
+  Pico.video.reg[0xf] = 0x02;
+  SATaddr = 0x0000;
+  SATmask = ~0x3ff;
 }
 
 PICO_INTERNAL void PicoDetectRegion(void)
diff --git a/pico/videoport.c b/pico/videoport.c
index 0a05348d7..4adf7a7ed 100644
--- a/pico/videoport.c
+++ b/pico/videoport.c
@@ -1180,7 +1180,7 @@ void PicoVideoReset(void)
   Pico.m.dirtyPal = 1;
 
   PicoDrawBgcDMA(NULL, 0, 0, 0, 0);
-  PicoVideoFIFOMode(0, 1);
+  PicoVideoFIFOMode(Pico.video.reg[1]&0x40, Pico.video.reg[12]&1);
 }
 
 void PicoVideoCacheSAT(int load)
diff --git a/platform/common/menu_pico.c b/platform/common/menu_pico.c
index 00f2aa690..a4abd7a6a 100644
--- a/platform/common/menu_pico.c
+++ b/platform/common/menu_pico.c
@@ -1144,7 +1144,7 @@ static void draw_frame_credits(void)
 
 static const char credits[] =
 	"PicoDrive v" VERSION "\n"
-	"(c) notaz, 2006-2013; irixxxx, 2018-2023\n\n"
+	"(c) notaz, 2006-2013; irixxxx, 2018-2024\n\n"
 	"Credits:\n"
 	"fDave: initial code\n"
 #ifdef EMU_C68K