Context Navigation

source: xtideuniversalbios/trunk/Assembly_Library/Src/Menu/MenuEvent.asm @ 125

Last change on this file since 125 was 104, checked in by aitotat, 13 years ago

Changes to Assembly Library:

Some more optimizations.
Moved macros.inc from XTIDE Universal BIOS to Assembly Library.

File size: 5.0 KB

Rev	Line
[41]	1	; Project name : Assembly Library
	2	; Description : Functions for initializing menu system.
	3
	4	; Section containing code
	5	SECTION .text
	6
	7	;--------------------------------------------------------------------
	8	; MenuEvent_InitializeMenuinit
	9	; Parameters
	10	; SS:BP: Ptr to MENU
	11	; Returns:
	12	; DS:SI: Ptr to MENU with MENUINIT initialized from user handler
	13	; CF: Set if event processed
	14	; Cleared if event not processed
	15	; Corrupts registers:
	16	; AX, BX, DX
	17	;--------------------------------------------------------------------
	18	ALIGN JUMP_ALIGN
	19	MenuEvent_InitializeMenuinit:
	20	push ss
	21	pop ds
	22	mov si, bp
	23	mov bx, MENUEVENT.InitializeMenuinitFromDSSI
	24	jmp SHORT MenuEvent_SendFromBX
	25
	26
	27	;--------------------------------------------------------------------
	28	; MenuEvent_ExitMenu
	29	; Parameters
	30	; SS:BP: Ptr to MENU
	31	; Returns:
[58]	32	; CF: Set to exit from menu
	33	; Cleared to cancel exit
[41]	34	; Corrupts registers:
	35	; AX, BX, DX
	36	;--------------------------------------------------------------------
	37	ALIGN JUMP_ALIGN
	38	MenuEvent_ExitMenu:
	39	mov bx, MENUEVENT.ExitMenu
	40	jmp SHORT MenuEvent_SendFromBX
	41
	42
	43	;--------------------------------------------------------------------
	44	; MenuEvent_IdleProcessing
	45	; Parameters
	46	; SS:BP: Ptr to MENU
	47	; Returns:
	48	; CF: Set if event processed
	49	; Cleared if event not processed
	50	; Corrupts registers:
	51	; AX, BX, DX
	52	;--------------------------------------------------------------------
	53	ALIGN JUMP_ALIGN
	54	MenuEvent_IdleProcessing:
	55	mov bx, MENUEVENT.IdleProcessing
	56	jmp SHORT MenuEvent_SendFromBX
	57
	58
	59	;--------------------------------------------------------------------
	60	; MenuEvent_RefreshTitle
	61	; MenuEvent_RefreshInformation
	62	; Parameters
[48]	63	; SS:BP: Ptr to MENU
[41]	64	; Cursor will be positioned to beginning of window
	65	; Returns:
	66	; CF: Set if event processed
	67	; Cleared if event not processed
	68	; Corrupts registers:
[48]	69	; AX, CX, BX, DX
[41]	70	;--------------------------------------------------------------------
	71	ALIGN JUMP_ALIGN
	72	MenuEvent_RefreshTitle:
	73	mov bx, MENUEVENT.RefreshTitle
[48]	74	jmp SHORT LoadHighlightedItemToCXandSendMessageFromBX
	75
[41]	76	ALIGN JUMP_ALIGN
	77	MenuEvent_RefreshInformation:
	78	mov bx, MENUEVENT.RefreshInformation
[48]	79	LoadHighlightedItemToCXandSendMessageFromBX:
[52]	80	mov cx, [bp+MENUINIT.wHighlightedItem]
[41]	81	jmp SHORT MenuEvent_SendFromBX
	82
	83
	84	;--------------------------------------------------------------------
	85	; MenuEvent_RefreshItemFromCX
	86	; Parameters
	87	; CX: Index of item to refresh
[48]	88	; SS:BP: Ptr to MENU
[41]	89	; Cursor has been positioned to the beginning of item line
	90	; Returns:
	91	; CF: Set if event processed
	92	; Cleared if event not processed
	93	; Corrupts registers:
	94	; AX, BX, DX
	95	;--------------------------------------------------------------------
	96	ALIGN JUMP_ALIGN
	97	MenuEvent_RefreshItemFromCX:
	98	mov bx, MENUEVENT.RefreshItemFromCX
	99	jmp SHORT MenuEvent_SendFromBX
	100
	101
	102	;--------------------------------------------------------------------
	103	; MenuEvent_HighlightItemFromCX
	104	; Parameters
	105	; CX: Index of item to highlight
[48]	106	; SS:BP: Ptr to MENU
[41]	107	; Returns:
	108	; Nothing
	109	; Corrupts registers:
	110	; AX, BX, DX, SI, DI
	111	;--------------------------------------------------------------------
	112	ALIGN JUMP_ALIGN
	113	MenuEvent_HighlightItemFromCX:
	114	mov dx, cx
[52]	115	xchg dx, [bp+MENUINIT.wHighlightedItem]
[41]	116	push dx
	117
	118	mov bx, MENUEVENT.ItemHighlightedFromCX
	119	call MenuEvent_SendFromBX
	120
	121	pop ax
	122	call MenuText_RefreshItemFromAX
[52]	123	mov ax, [bp+MENUINIT.wHighlightedItem]
[41]	124	jmp MenuText_RefreshItemFromAX
	125
	126
	127	;--------------------------------------------------------------------
	128	; MenuEvent_KeyStrokeInAX
	129	; Parameters
	130	; AL: ASCII character for the key
	131	; AH: Keyboard library scan code for the key
[48]	132	; SS:BP: Ptr to MENU
[41]	133	; Returns:
	134	; CF: Set if event processed
	135	; Cleared if event not processed
	136	; Corrupts registers:
	137	; AX, BX, DX
	138	;--------------------------------------------------------------------
	139	ALIGN JUMP_ALIGN
	140	MenuEvent_KeyStrokeInAX:
	141	mov bx, MENUEVENT.KeyStrokeInAX
	142	jmp SHORT MenuEvent_SendFromBX
	143
	144
	145	;--------------------------------------------------------------------
	146	; MenuEvent_ItemSelectedFromCX
	147	; Parameters
	148	; CX: Index of selected item
[48]	149	; SS:BP: Ptr to MENU
[41]	150	; Returns:
	151	; CF: Set if event processed
	152	; Cleared if event not processed
	153	; Corrupts registers:
	154	; AX, BX, DX
	155	;--------------------------------------------------------------------
	156	ALIGN JUMP_ALIGN
	157	MenuEvent_ItemSelectedFromCX:
	158	mov bx, MENUEVENT.ItemSelectedFromCX
	159	jmp SHORT MenuEvent_SendFromBX
	160
	161
	162	;--------------------------------------------------------------------
	163	; MenuEvent_SendFromBX
	164	; Parameters
	165	; BX: Menu event to send
	166	; SS:BP: Ptr to MENU
	167	; Other registers: Event specific parameters
	168	; Returns:
	169	; AX, DX: Event specific return values
	170	; CF: Set if event processed
	171	; Cleared if event not processed
	172	; Corrupts registers:
	173	; BX
	174	;--------------------------------------------------------------------
	175	ALIGN JUMP_ALIGN
	176	MenuEvent_SendFromBX:
	177	push es
	178	push ds
	179	push di
	180	push si
	181	push cx
	182	call [bp+MENU.fnEventHandler]
	183	pop cx
	184	pop si
	185	pop di
	186	pop ds
	187	pop es
	188	ret

Note: See TracBrowser for help on using the repository browser.

Download in other formats: