Rename test files to represent better the new opcodes they correspond to.

src/opcodes/sources.asm

@@ -298,11 +298,11 @@ SECT_DATA(suconst)
 
 SECT_TEXT(suloadvl)
 
-EXPORT MANGLE_FUNC(su_op_load_val,0)
+EXPORT MANGLE_FUNC(su_op_loadval,0)
 %ifdef INCLUDE_STEREO_LOAD_VAL
-    jnc     su_op_load_val_mono
-    call    su_load_val_mono
-su_load_val_mono:
+    jnc     su_op_loadval_mono
+    call    su_loadval_mono
+su_loadval_mono:
 %endif
     fld     dword [edx+su_load_val_ports.value] ; v
     fsub    dword [c_0_5]                       ; v-.5

src/opcodes/sources.inc

@@ -159,12 +159,12 @@ endstruc
     %if LOAD_VAL_ID == -1
         %assign LOAD_VAL_ID CUR_ID
         %assign CUR_ID CUR_ID + 2
-        %xdefine OPCODES OPCODES MANGLE_FUNC(su_op_load_val,0),
+        %xdefine OPCODES OPCODES MANGLE_FUNC(su_op_loadval,0),
         %xdefine NUMPARAMS NUMPARAMS 1,
     %endif
 %endmacro
 
-%macro  SU_LOAD_VAL 2
+%macro  SU_LOADVAL 2
     db  %2
     USE_LOAD_VAL
     %xdefine CMDS CMDS LOAD_VAL_ID+%1,