X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?p=pcsx_rearmed.git;a=blobdiff_plain;f=plugins%2Fgpu_neon%2Fpsx_gpu%2Fpsx_gpu_parse.c;h=ffa9b9a0f373b998b052f7da693cbbf4a82f02a5;hp=67da86ea289f759487393a8f62b5c1571b089042;hb=468072a17a20bf584df17f14e329441eebf66776;hpb=2857d72e4ca743bba3cf55e298949e24d97dff02

diff --git a/plugins/gpu_neon/psx_gpu/psx_gpu_parse.c b/plugins/gpu_neon/psx_gpu/psx_gpu_parse.c
index 67da86ea..ffa9b9a0 100644
--- a/plugins/gpu_neon/psx_gpu/psx_gpu_parse.c
+++ b/plugins/gpu_neon/psx_gpu/psx_gpu_parse.c
@@ -435,7 +435,10 @@ u32 gpu_parse(psx_gpu_struct *psx_gpu, u32 *list, u32 size, u32 *last_command)
           num_vertexes++;
 
           if(list_position >= list_end)
-            break;
+          {
+            current_command = (u32)-1;
+            goto breakloop;
+          }
 
           xy = *list_position;
           if((xy & 0xF000F000) == 0x50005000)
@@ -496,7 +499,10 @@ u32 gpu_parse(psx_gpu_struct *psx_gpu, u32 *list, u32 size, u32 *last_command)
           num_vertexes++;
 
           if(list_position >= list_end)
-            break;
+          {
+            current_command = (u32)-1;
+            goto breakloop;
+          }
 
           color = list_position[0];
           if((color & 0xF000F000) == 0x50005000)
@@ -774,9 +780,7 @@ u32 gpu_parse(psx_gpu_struct *psx_gpu, u32 *list, u32 size, u32 *last_command)
   	}
   }
 
-#ifdef PCSX
 breakloop:
-#endif
   if (last_command != NULL)
     *last_command = current_command;
   return list - list_start;
@@ -1193,7 +1197,10 @@ u32 gpu_parse_enhanced(psx_gpu_struct *psx_gpu, u32 *list, u32 size,
           num_vertexes++;
 
           if(list_position >= list_end)
-            break;
+          {
+            current_command = (u32)-1;
+            goto breakloop;
+          }
 
           xy = *list_position;
           if((xy & 0xF000F000) == 0x50005000)
@@ -1259,7 +1266,10 @@ u32 gpu_parse_enhanced(psx_gpu_struct *psx_gpu, u32 *list, u32 size,
           num_vertexes++;
 
           if(list_position >= list_end)
-            break;
+          {
+            current_command = (u32)-1;
+            goto breakloop;
+          }
 
           color = list_position[0];
           if((color & 0xF000F000) == 0x50005000)
@@ -1453,7 +1463,8 @@ u32 gpu_parse_enhanced(psx_gpu_struct *psx_gpu, u32 *list, u32 size,
       {
         s16 viewport_start_x = list[0] & 0x3FF;
         s16 viewport_start_y = (list[0] >> 10) & 0x1FF;
-        u32 d;
+        u32 w;
+        s32 d;
 
         if(viewport_start_x == psx_gpu->viewport_start_x &&
          viewport_start_y == psx_gpu->viewport_start_y)
@@ -1465,11 +1476,12 @@ u32 gpu_parse_enhanced(psx_gpu_struct *psx_gpu, u32 *list, u32 size,
         psx_gpu->saved_viewport_start_x = viewport_start_x;
         psx_gpu->saved_viewport_start_y = viewport_start_y;
 
-        d = (u32)psx_gpu->viewport_end_x - (u32)viewport_start_x + 1;
-        if((u32)psx_gpu->enhancement_x_threshold - d <= 16)
+        w = (u32)psx_gpu->viewport_end_x - (u32)viewport_start_x + 1;
+        d = psx_gpu->enhancement_x_threshold - w;
+        if(-16 <= d && d <= 16)
         {
           update_enhancement_buf_table_from_x(psx_gpu,
-           viewport_start_x, d);
+           viewport_start_x, w);
         }
         select_enhancement_buf(psx_gpu);
 
@@ -1487,7 +1499,8 @@ u32 gpu_parse_enhanced(psx_gpu_struct *psx_gpu, u32 *list, u32 size,
       {
         s16 viewport_end_x = list[0] & 0x3FF;
         s16 viewport_end_y = (list[0] >> 10) & 0x1FF;
-        u32 d;
+        u32 w;
+        s32 d;
 
         if(viewport_end_x == psx_gpu->viewport_end_x &&
          viewport_end_y == psx_gpu->viewport_end_y)
@@ -1500,11 +1513,12 @@ u32 gpu_parse_enhanced(psx_gpu_struct *psx_gpu, u32 *list, u32 size,
         psx_gpu->saved_viewport_end_x = viewport_end_x;
         psx_gpu->saved_viewport_end_y = viewport_end_y;
 
-        d = (u32)viewport_end_x - (u32)psx_gpu->viewport_start_x + 1;
-        if((u32)psx_gpu->enhancement_x_threshold - d <= 16)
+        w = (u32)viewport_end_x - (u32)psx_gpu->viewport_start_x + 1;
+        d = psx_gpu->enhancement_x_threshold - w;
+        if(-16 <= d && d <= 16)
         {
           update_enhancement_buf_table_from_x(psx_gpu,
-           psx_gpu->viewport_start_x, d);
+           psx_gpu->viewport_start_x, w);
         }
         select_enhancement_buf(psx_gpu);