Is there a bcall for the TIOS menu? Would it be possible to get it to use custom tokens?
Or do i have to re-write the menu like Omnicalc does it?

A bcall to an TIOS-style menu. KermM pointed me to this now http://wikiti.brandonw.net/index.php?title=83Plus:OS:Dialog_context

Um yeah I like can't get it working properly....
Menu:
res indicrun,(iy+indicflags)
res apptextsave,(iy+appflags)


ld hl,rawKeyHookPtr
ld de,appBackUpScreen
ld bc,4
ldir
ld a,(flags+34h)
ld (de),a


ld hl,cmdShadow
ld de,appBackUpScreen+5
ld bc,128
ldir


ld hl,structStart
ld de,ramCode
ld bc,structEnd-structStart
ldir
ld hl,dialogCallback
in a,(6)
bcall(_DialogInit)
bcall(_runIndicOff)
bcall(_StartDialog)

; bcall(_CursorOff)
; bcall(_ClrLCDFull)

res appCurWord,(iy+appFlags)

ld hl,appBackUpScreen+5
ld de,cmdShadow
ld bc,128
ldir

ld a,kQuit ; homescreen
ld (cxCurApp),a

ld hl,appBackUpScreen
ld de,rawKeyHookPtr
ld bc,4
ldir
ld a,(hl)
ld (flags+34h),a

xor a
bcall(_GetDialogNumOP1)
ld a,9
bcall(_DispOP1a)
xor a
ret
dialogCallback:
xor a
ret

structStart:
.db 1
.db 1
.db 1
.dw sOptions-structStart
.db 5
.db 1
.db 1
.dw sItem1-structStart
.db 5
.db 1
.db 2
.dw sItem2-structStart
.db 0
sOptions:
.db 7,"VECTORS"
sItem1:
.db 4,"abs("
sItem2:
.db 5,"norm("
structEnd:

When exiting it like exits back into the stat menu (where it was before it got called) but I want it to exit to the homescreen and I can't find any way of getting which option was pushed

is this enough?
_keyHook_statKey:
ld a,(menucurrent)
cp mStat
jr z,{+1@}
cp mPrgmStat
jp z,{+1@}

ld a,kStat
jp ReturnNZ
@:
call Menu
jp ReturnZT´hat gets called if the stat key is pressed, no changing of registers.