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gui: added OBJ_GetChildBySelector

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This commit is contained in:
Martin Preuss
2026-05-08 00:28:31 +02:00
parent 6cb0ecd9ba
commit c48423b4c1
1 changed files with 32 additions and 0 deletions
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32
avr/modules/lcd2/gui/base/object.asm
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@@ -356,6 +356,38 @@ OBJ_GetChildAt_ret:
; ---------------------------------------------------------------------------
; @routine OBJ_GetChildBySelector @global
;
; @param Y address of object
; @param R16 selector to look for
; @return CFLAG set, if found, cleared otherwise
; @return r19:r18 resulting object
; @clobbers r17
OBJ_GetChildBySelector:
push yl
push yh
rcall OBJ_GetFirstChild ; R19:R18=obj (none)
OBJ_GetChildBySelector_loop:
brcc OBJ_GetChildBySelector_ret
mov yl, r18
mov yh, r19
ldd r17, Y+OBJECT_OFFS_SELECTOR
cp r17, r16
breq OBJ_GetChildBySelector_secRet
rcall OBJ_GetNext ; R19:R18=obj (none)
rjmp OBJ_GetChildBySelector_loop
OBJ_GetChildBySelector_secRet:
sec
OBJ_GetChildBySelector_ret:
pop yh
pop yl
ret
; @end
; ---------------------------------------------------------------------------
; @routine OBJ_SkipObjects @global
;