refactor comment max line width to 80 and moved select item code into its own file

Menu/menu_select_item.asm

@@ -0,0 +1,156 @@
+; =============================================================================
+;  Item Selection Code
+; =============================================================================
+
+Menu_ItemIndex:
+  db $03 ; slingshot
+  db $02 ; boomerang
+  db $0E ; hookshot 
+  db $01 ; bombs
+  db $11 ; deku mask 
+  db $0B ; bottle1
+  db $05 ; firerod (nimbus)
+  db $06 ; icerod 
+  db $09 ; lamp 
+  db $04 ; hammer 
+  db $0F ; bombos / goron 
+  db $4B ; bottle2
+  db $12 ; somaria
+  db $0D ; byrna
+  db $0C ; book 
+  db $07 ; feather 
+  db $10 ; bunny hood
+  db $8B ; bottle3
+  db $08 ; ocarina 
+  db $14 ; mirror
+  db $0B ; shovel
+  db $0A ; powder 
+  db $13 ; stone mask
+  db $CB ; bottle4
+
+; -----------------------------------------------------------------------------
+
+Menu_AddressIndex:
+  db $7EF340 ; bow
+  db $7EF341 ; boom
+  db $7EF342 ; hookshot 
+  db $7EF343 ; bombs
+  db $7EF348 ; deku mask 
+  db $7EF35C ; bottle1
+  db $7EF345 ; firerod (nimbus)
+  db $7EF346 ; icerod 
+  db $7EF34A ; lamp 
+  db $7EF34B ; hammer 
+  db $7EF347 ; bombos / goron 
+  db $7EF35D ; bottle2
+  db $7EF350 ; somaria
+  db $7EF351 ; byrna
+  db $7EF34E ; book 
+  db $7EF34D ; feather 
+  db $7EF349 ; bunny hood
+  db $7EF35E ; bottle3
+  db $7EF34C ; ocarina 
+  db $7EF353 ; mirror
+  db $7EF34F ; shovel
+  db $7EF344 ; powder 
+  db $7EF352 ; stone mask
+  db $7EF35F ; bottle4
+
+; -----------------------------------------------------------------------------
+
+Menu_ItemCursorPositions:
+  dw menu_offset(6,1) ; bow
+  dw menu_offset(6,4) ; boom
+  dw menu_offset(6,7) ; hookshot
+  dw menu_offset(6,10) ; bombs
+  dw menu_offset(6,13) ; deku mask
+  dw menu_offset(6,16) ; bottle1
+  dw menu_offset(9,1) ; firerod
+  dw menu_offset(9,4) ; icerod
+  dw menu_offset(9,7) ; lamp
+  dw menu_offset(9,10) ; hammer 
+  dw menu_offset(9,13) ; goron
+  dw menu_offset(9,16) ; bottle2
+  dw menu_offset(12,1) ; somaria
+  dw menu_offset(12,4) ; byrna
+  dw menu_offset(12,7) ; book 
+  dw menu_offset(12,10) ; feather 
+  dw menu_offset(12,13) ; bunny hood
+  dw menu_offset(12,16) ; bottle3
+  dw menu_offset(15,1) ; flute
+  dw menu_offset(15,4) ; mirror
+  dw menu_offset(15,7) ; shovel 
+  dw menu_offset(15,10) ; powder 
+  dw menu_offset(15,13) ; stone mask 
+  dw menu_offset(15,16) ; bottle
+
+; -----------------------------------------------------------------------------
+
+Menu_FindNextItem:
+  LDY.w $0202 : INY 
+  CPY.b #$19 : BCC .no_reset 
+  LDY.b #$01 
+.no_reset 
+  STY.w $0202
+  LDX.w Menu_AddressIndex-1, Y
+  LDA.l $7EF300, X
+  BEQ Menu_FindNextItem
+  RTS
+
+; -----------------------------------------------------------------------------
+
+Menu_FindPrevItem:
+  LDY.w $0202 : DEY : BNE .no_reset 
+  LDY.b #$18
+.no_reset 
+  STY.w $0202
+  LDX.w Menu_AddressIndex-1, Y
+  LDA.l $7EF300, X
+  BEQ Menu_FindPrevItem
+  RTS
+; -----------------------------------------------------------------------------
+
+Menu_FindNextDownItem:
+  LDA.w $0202 : CLC : ADC.b #$06 
+  CMP.b #$19 : BCC .no_reset
+  SBC.b #$18
+.no_reset 
+  TAY : STY.w $0202
+  LDX.w Menu_AddressIndex-1, Y 
+  LDA.l $7EF300, X
+  BEQ Menu_FindNextUpItem
+  RTS 
+
+; -----------------------------------------------------------------------------
+
+Menu_FindNextUpItem:
+  LDA.w $0202 : SEC : SBC.b #$06 
+  BPL .no_reset : BNE .no_reset
+  CLC : ADC.b #$18 
+.no_reset 
+  TAY : STY.w $0202
+  LDX.w Menu_AddressIndex-1, Y 
+  LDA.l $7EF300, X
+  BEQ Menu_FindNextDownItem
+  RTS 
+
+; -----------------------------------------------------------------------------
+
+Menu_DeleteCursor:
+  REP #$30
+  LDX.w Menu_ItemCursorPositions-2, Y
+
+  LDA.w #$20F5
+  STA.w $1108, X
+  STA.w $1148, X
+  STA.w $114E, X 
+  STA.w $110E, X 
+  STA.w $11C8, X 
+  STA.w $1188, X
+  STA.w $118E, X 
+  STA.w $11CE, X 
+  SEP #$30
+  STZ $0207
+  RTS 
+
+; -----------------------------------------------------------------------------