#407 OT processing optimizations (next/prev vertex index pre-fill)

XProger · Jul 2, 2022 · 32a5459 · 32a5459
1 parent ea021e0
commit 32a5459
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Showing 3 changed files with 117 additions and 181 deletions.
diff --git a/src/platform/32x/asm/rasterize.i b/src/platform/32x/asm/rasterize.i
@@ -11,15 +11,15 @@
 .align 4
 .global _rasterize_asm
 _rasterize_asm:
-        mov     tile, r7
+        mov     tile, r7                // set 4th arg for proc
         mov     flags, type
         shll2   type
         shlr16  type
         extu.b  type, proc
 
         cmp/eq  #FACE_TYPE_F, type      // cmp/eq #imm is 8-bit
         bf/s    .getProc
-        mov     L, R
+        mov     L, R                    // [delay slot]
         extu.b  flags, R
 
 .getProc: // proc = table[type]
@@ -29,13 +29,14 @@ _rasterize_asm:
 
         // pixel = fb + y * 320 = fb + y * 256 + y * 64
         mov.w   @(VERTEX_Y, L), y
+        // FRAME_WIDTH = 320 = 256 + 64
         mov.l   var_fb, pixel
         shll8   y
         add     y, pixel        // pixel += y * 256
         shar    y
         shar    y
         jmp     @proc
-        add     y, pixel        // pixel += y * 64
+        add     y, pixel        // [delay slot] pixel += y * 64
 
 .align 2
 var_fb:
@@ -49,7 +50,7 @@ var_table:
         .long 0xC0000000 + _rasterizeFT_asm - _block_render_start
         .long 0xC0000000 + _rasterizeFT_asm - _block_render_start
         .long 0xC0000000 + _rasterizeGT_asm - _block_render_start
-        .long 0xC0000000 + _rasterizeGT_asm - _block_render_start        
+        .long 0xC0000000 + _rasterizeGT_asm - _block_render_start
 #else
         .long _rasterizeS_asm
         .long _rasterizeF_asm

diff --git a/src/platform/32x/main.cpp b/src/platform/32x/main.cpp
@@ -84,9 +84,14 @@ void updateInput()
     if (mask & SEGA_CTRL_MODE)    keys |= IK_SELECT;
 }
 
-void* osLoadLevel(const char* name)
+const void* osLoadScreen(LevelID id)
 {
-    return (void*)LEVEL1_PKD;
+    return TITLE_SCR;
+}
+
+const void* osLoadLevel(LevelID id)
+{
+    return (void*)LEVEL1_PKD; // TODO
 }
 
 uint16 pageIndex = 0;
@@ -190,7 +195,7 @@ int main()
 
     MARS_SYS_COMM4 = 0;
 
-    gameInit(gLevelInfo[gLevelID].name);
+    gameInit();
 
     int32 lastFrame = (gFrameIndex >> 1) - 1;
     int32 fpsCounter = 0;