krnl386.exe16: Avoid shift overflows in DMA_ioport_in.

[Gerald Pfeifer]

Use 0xFFu isntead 0xFF to indicate we are looking at an unsigned
value/constant.

Gerald
---
 dlls/krnl386.exe16/dma.c | 14 +++++++-------
 1 file changed, 7 insertions(+), 7 deletions(-)

diff --git a/dlls/krnl386.exe16/dma.c b/dlls/krnl386.exe16/dma.c
index a0c4050..d01686c 100644
--- a/dlls/krnl386.exe16/dma.c
+++ b/dlls/krnl386.exe16/dma.c
@@ -360,13 +360,13 @@ BYTE DMA_ioport_in( WORD port )
     case 0x8A: res = (DMA_BaseAddress[7]&(0xFF<<16))>>16; break;
 
     /* High Page Base Address */
-    case 0x487: res = (DMA_BaseAddress[0]&(0xFF<<24))>>24; break;
-    case 0x483: res = (DMA_BaseAddress[1]&(0xFF<<24))>>24; break;
-    case 0x481: res = (DMA_BaseAddress[2]&(0xFF<<24))>>24; break;
-    case 0x482: res = (DMA_BaseAddress[3]&(0xFF<<24))>>24; break;
-    case 0x48B: res = (DMA_BaseAddress[5]&(0xFF<<24))>>24; break;
-    case 0x489: res = (DMA_BaseAddress[6]&(0xFF<<24))>>24; break;
-    case 0x48A: res = (DMA_BaseAddress[7]&(0xFF<<24))>>24; break;
+    case 0x487: res = (DMA_BaseAddress[0]&(0xFFu<<24))>>24; break;
+    case 0x483: res = (DMA_BaseAddress[1]&(0xFFu<<24))>>24; break;
+    case 0x481: res = (DMA_BaseAddress[2]&(0xFFu<<24))>>24; break;
+    case 0x482: res = (DMA_BaseAddress[3]&(0xFFu<<24))>>24; break;
+    case 0x48B: res = (DMA_BaseAddress[5]&(0xFFu<<24))>>24; break;
+    case 0x489: res = (DMA_BaseAddress[6]&(0xFFu<<24))>>24; break;
+    case 0x48A: res = (DMA_BaseAddress[7]&(0xFFu<<24))>>24; break;
 
     case 0x08:
     case 0xD0:
-- 
2.4.6