;Library routines

 include "settings.inc"
 include "ti83plus.inc"
 include "equates.inc" 
 SEGMENT Main
 GLOBALS ON

 EXTERN ExitApp

 Var hookBlock,2

EnableAppChangeHook:
       xor a
       ld de,9BB0h
       jr writeHook
EnableCatalog1Hook:
       ld a,1
       ld de,9BB4h
       jr writeHook
EnableCatalog2Hook:
       ld a,2
       ld de,9BC4h
       jr writeHook
EnableCursorHook:
       ld a,3
       ld de,9B7Ch
       jr writeHook
EnablecxRedispHook:
       ld a,4
       ld de,9BBCh
       jr writeHook
EnableFontHook:
       ld a,5
       ld de,9B9Ch
       jr writeHook
EnableGetCSCHook:
       ld a,6
       ld de,9B88h
       jr writeHook
EnableGraphHook:
       ld a,7
       ld de,9B94h
       jr writeHook
EnableGraphicsHook:
       ld a,8
       ld de,9BA4h
       jr writeHook
EnableHelpHook:
       ld a,9
       ld de,9BB8h
       jr writeHook
EnableHomescreenHook:
       ld a,10
       ld de,9B8Ch
       jr writeHook
EnableLibraryHook:
       ld a,11
       ld de,9B80h
       jr writeHook
EnableLinkActivityHook:
       ld a,12
       ld de,9B78h
       jr writeHook
EnableLocalizeHook:
       ld a,13
       ld de,9BCCh
       jr writeHook
EnableMenuHook:
       ld a,14
       ld de,9BC0h
       jr writeHook
EnableParserHook:
       ld a,15
       ld de,9BACh
       jr writeHook
EnableRawKeyHook:
       ld a,16
       ld de,9B84h
       jr writeHook
EnableRegraphHook:
       ld a,17
       ld de,9BA0h
       jr writeHook
EnableSilentLinkHook:
       ld a,18
       ld de,9BD0h
       jr writeHook
EnableTokenHook:
       ld a,19
       ld de,9BC8h
       jr writeHook
EnableTraceHook:
       ld a,20
       ld de,9BA8h
       jr writeHook
EnableUSBActivityHook:
       ld a,21
       ld de,9BD4h
       jr writeHook
EnableWindowHook:
       ld a,22
       ld de,9B90h
       jr writeHook
EnableYEquHook:
       ld a,23
       ld de,9B98h
writeHook:
       ;write BC bytes from HL into myself, using type A and hook address DE
       ld (hookBlock),de
       ret