spu: fix saving bug

[pcsx_rearmed.git] / plugins / gpu_neon / psx_gpu / psx_gpu_arm_neon.S

diff --git a/plugins/gpu_neon/psx_gpu/psx_gpu_arm_neon.S b/plugins/gpu_neon/psx_gpu/psx_gpu_arm_neon.S
index a2bfa5b..344331d 100644 (file)
--- a/plugins/gpu_neon/psx_gpu/psx_gpu_arm_neon.S
+++ b/plugins/gpu_neon/psx_gpu/psx_gpu_arm_neon.S
@@ -20,6 +20,7 @@
 #define RENDER_STATE_MASK_EVALUATE                        0x20
 #define RENDER_FLAGS_MODULATE_TEXELS                      0x1
 #define RENDER_FLAGS_BLEND                                0x2
+#define RENDER_INTERLACE_ENABLED                          0x1
 
 #include "psx_gpu_offsets.h"
 
@@ -1175,6 +1176,10 @@ function(setup_spans_up_down)
 
   ldrh temp, [ psx_gpu, #psx_gpu_num_spans_offset ]
   add temp, temp, height_minor_b
+
+  cmp temp, #MAX_SPANS
+  beq 5f
+
   strh temp, [ psx_gpu, #psx_gpu_num_spans_offset ]
 
  2:                                                     
@@ -1190,6 +1195,15 @@ function(setup_spans_up_down)
   setup_spans_prologue_b()
   bal 4b
 
+ 5:
+  // FIXME: overflow corner case
+  sub temp, temp, height_minor_b
+  bics height_minor_b, #3
+  add temp, temp, height_minor_b
+  strh temp, [ psx_gpu, #psx_gpu_num_spans_offset ]
+  bne 2b
+  bal 1b
+
 .pool
 
 #undef span_uvrg_offset
@@ -5744,6 +5758,8 @@ function(setup_sprite_untextured)
   ldrh r12, [ psx_gpu, #psx_gpu_render_state_offset ]
   tst r12, #(RENDER_STATE_MASK_EVALUATE | RENDER_FLAGS_MODULATE_TEXELS         \
     | RENDER_FLAGS_BLEND)
+  ldreqb r12, [ psx_gpu, #psx_gpu_render_mode_offset ]
+  tsteq r12, #RENDER_INTERLACE_ENABLED
   beq setup_sprite_untextured_simple
 
   stmdb sp!, { r4 - r11, r14 }