From: kub <derkub@gmail.com>
Date: Wed, 7 Oct 2020 18:12:23 +0000 (+0200)
Subject: vdp rendering, fix SAT caching for high addresses >64KB
X-Git-Tag: v2.00~678
X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=3618d636d2d7a76c03bb0a92c9d83f7b7348ff0e;p=picodrive.git

vdp rendering, fix SAT caching for high addresses >64KB
---

diff --git a/pico/pico_int.h b/pico/pico_int.h
index 86cfb778..1a2e408d 100644
--- a/pico/pico_int.h
+++ b/pico/pico_int.h
@@ -857,7 +857,7 @@ static __inline void VideoWriteVRAM(u32 a, u16 d)
 {
   PicoMem.vram [(u16)a >> 1] = d;
 
-  if (!((u16)(a^SATaddr) & SATmask))
+  if (((a^SATaddr) & SATmask) == 0)
     UpdateSAT(a, d);
 }
 
diff --git a/pico/videoport.c b/pico/videoport.c
index fec862f7..c9221493 100644
--- a/pico/videoport.c
+++ b/pico/videoport.c
@@ -334,7 +334,7 @@ static NOINLINE void VideoWriteVRAM128(u32 a, u16 d)
   if (!((u16)(b^SATaddr) & SATmask))
     Pico.est.rendstatus |= PDRAW_DIRTY_SPRITES;
 
-  if (!((u16)(a^SATaddr) & SATmask))
+  if (((a^SATaddr) & SATmask) == 0)
     UpdateSAT(a, d);
 }
 
@@ -539,7 +539,7 @@ static void DmaCopy(int len)
   for (; len; len--)
   {
     vr[(u16)a] = vr[(u16)(source++)];
-    if (!((u16)(a^SATaddr) & SATmask))
+    if (((a^SATaddr) & SATmask) == 0)
       UpdateSAT(a, ((u16 *)vr)[(u16)a >> 1]);
     // AutoIncrement
     a = (a+inc) & ~0x20000;
@@ -579,7 +579,7 @@ static NOINLINE void DmaFill(int data)
         // Write upper byte to adjacent address
         // (here we are byteswapped, so address is already 'adjacent')
         vr[(u16)a] = high;
-        if (!((u16)(a^SATaddr) & SATmask))
+        if (((a^SATaddr) & SATmask) == 0)
           UpdateSAT(a, ((u16 *)vr)[(u16)a >> 1]);
 
         // Increment address register