Player Docs: Begin "Start Mode" Documentation (#2301)

* set up start mode

* note unused modes

* fix bss

src/boot/z_std_dma.c

@@ -27,7 +27,7 @@
 #endif
 
 #pragma increment_block_number "gc-eu:128 gc-eu-mq:128 gc-jp:128 gc-jp-ce:128 gc-jp-mq:128 gc-us:128 gc-us-mq:128" \
-                               "ntsc-1.2:92 pal-1.0:90 pal-1.1:90"
+                               "ntsc-1.2:88 pal-1.0:86 pal-1.1:86"
 
 StackEntry sDmaMgrStackInfo;
 OSMesgQueue sDmaMgrMsgQueue;