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/ Apple II Magazines (PO) / Nibble Volume 11, No. 10 (1990-10)(MindCraft Publishing)(Side A)[a].zip / Nibble Volume 11, No. 10 (1990-10)(MindCraft Publishing)(Side A)[a].po / TE.ASM.txt < prev next >

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Text File | 1996-12-24 | 20KB | 562 lines

**************************************** * * * TE.ASM Source Listing (Data Fork) * * by Sandy Mossberg * * * * APW Assembler/Linker * * Requires APW Tools and Interfaces, * * version 1.1 * * * * Copyright (C) 1990 * * by MindCraft Publ. Corp. * * Concord, MA 01742 * * * **************************************** mcopy te.mac keep te.dfork ScreenMode gequ $80 ;640x200 super hi-res mode ***************************************************************** * MainLoop start * * Main program loop: * ***************************************************************** using GlobalData phk ;equate program bank plb ; with data bank jsr StartUp ;startup tool sets jsr InitDesktop ;initialize desktop jsr InitApplic ;initialize application jsr EventLoop ;scan for events jsr ShutApplic ;free program memory jsr ShutDown ;shutdown tool sets Quit _QuitGS QuitParm ;quit to calling application ;................................................................ ; ; MainLoop data: ; QuitParm anop ;Quit parmlist (GS/OS class 1) dc i2'0' ;pCount = 0 (input) end ***************************************************************** * StartUp start * * Startup tool sets: * ***************************************************************** using GlobalData ; Startup first 2 tool sets: _TLStartUp ;----start Tool Locator pha ;space for result _MMStartUp ;----start Memory Manager jsr FatalErr PullWord MasterID ;save master ID ; Startup other tool sets: PushLong #0 ;space for result PushWord MasterID ;master ID PushWord #2 ;ref is resource PushLong #$07FE0001 ;ref to orig StartStop record _StartUpTools ;----call StartUpTools jsr FatalErr PullLong SSRecFinal ;ref to final StartStop record _InitCursor ;convert cursor: wait -> arrow rts end ***************************************************************** * ShutDown start * * Shutdown tools sets: * ***************************************************************** using GlobalData PushWord #1 ;reference is handle PushLong SSRecFinal ;ref to final StartStop record _ShutDownTools ;----call ShutDownTools PushWord MasterID ;master ID _MMShutDown _TLShutDown rts end ***************************************************************** * FatalErr start * * Check for error and handle fatal error: * ***************************************************************** bcs FE01 ;error detected rts ;no error on carry clear FE01 pha ;error code in A reg PushLong #0 ;use default failure message _SysFailMgr ;die a horrible death end ***************************************************************** * InitDesktop start * * Initialize desktop: * ***************************************************************** PushLong #0 ;space for result PushWord #2 ;reference is resource PushLong #1 ;reference to menu bar PushLong #0 ;system menu bar _NewMenuBar2 ;create menu bar _SetSysBar ;set system bar (handle on stack) PushLong #0 ;use system menu bar _SetMenuBar ;set current menu bar PushLong #0 ;entire desktop _RefreshDesktop ;refresh desktop PushWord #1 ;ID of NDA menu _FixAppleMenu ;setup NDA menu pha ;space for result _FixMenuBar ;set standard size of menu bar pla ;discard menu height _DrawMenuBar ;display current menu bar rts end ***************************************************************** * InitApplic start * * Initialize application specific data: * ***************************************************************** using GlobalData stz QuitFlag ;clear quit flag stz WindFlag ;clear window flag rts end ***************************************************************** * EventLoop start * * Handle events: * ***************************************************************** using GlobalData jsr ChangeMenus ;dim/undim menu title/items anop ;scan events with TaskMaster pha ;space for result PushWord #$FFFF ;handle all events PushLong #TaskRecord ;ptr to extended task record _TaskMaster ;get the event pla ;get result anop ;handle event asl a ;create index into 2-byte tax ; entries of task table jsr (TaskTable,x) ;call event handler anop ;check for quit signal lda QuitFlag bpl EventLoop ;Quit not chosen rts ;................................................................ ; ; EventLoop data: ; TaskTable anop ;GetNextEvent event handlers: dc i2'DoRTS' ; 0 = nullEvt dc i2'DoRTS' ; 1 = mouseDownEvt dc i2'DoRTS' ; 2 = mouseUpEvt dc i2'DoRTS' ; 3 = keyDownEvt dc i2'DoRTS' ; 4 = undefined dc i2'DoRTS' ; 5 = autoKeyEvt dc i2'DoRTS' ; 6 = updateEvt dc i2'DoRTS' ; 7 = undefined dc i2'DoRTS' ; 8 = activateEvt dc i2'DoRTS' ; 9 = switchEvt dc i2'DoRTS' ;10 = deskAccEvt dc i2'DoRTS' ;11 = driverEvt dc i2'DoRTS' ;12 = app1Evt dc i2'DoRTS' ;13 = app2Evt dc i2'DoRTS' ;14 = app3Evt dc i2'DoRTS' ;15 = app4Evt anop ;TaskMaster event handlers: dc i2'DoRTS' ;16 = wInDesktop dc i2'DoMenu' ;17 = wInMenuBar dc i2'DoRTS' ;18 = wClickCalled dc i2'DoRTS' ;19 = wInContent dc i2'DoRTS' ;20 = wInDrag dc i2'DoRTS' ;21 = wInGrow dc i2'DoClose' ;22 = wInGoAway dc i2'DoRTS' ;23 = wInZoom dc i2'DoRTS' ;24 = wInInfo dc i2'DoMenu' ;25 = wInSpecial dc i2'DoRTS' ;26 = wInDeskItem dc i2'DoRTS' ;27 = wInFrame dc i2'DoRTS' ;28 = wInactMenu dc i2'DoRTS' ;29 = wClosedNDA dc i2'DoRTS' ;30 = wCalledSysEdit dc i2'DoRTS' ;31 = wTrackZoom dc i2'DoRTS' ;32 = wHitFrame dc i2'DoRTS' ;33 = wInControl dc i2'DoRTS' ;34 = wInControlMenu end ***************************************************************** * DoMenu start * * Handle menu events (menu items must be numbered sequentially): * ***************************************************************** using GlobalData sec lda TaskData ;get menu item ID sbc #250 ;convert N250 into 0th item asl a ;create index into 2-byte tax ; entries of menu item table jsr (ItemTable,x) ;call menu item handler PushWord #0 ;TRUE=hilite, FALSE=unhilite PushWord TaskData+2 ;menu ID _HiliteMenu ;unhighlight menu rts ;................................................................ ; ; DoMenu data: ; ItemTable anop ;menu item handlers dc i2'DoRTS' ;250 = Undo dc i2'DoRTS' ;251 = Cut dc i2'DoRTS' ;252 = Copy dc i2'DoRTS' ;253 = Paste dc i2'DoRTS' ;254 = Clear dc i2'DoClose' ;255 = Close dc i2'DoAbout' ;256 = About... dc i2'DoQuit' ;257 = Quit dc i2'DoNew' ;258 = New dc i2'DoOpen' ;259 = Open dc i2'DoRTS' ;260 = Save... dc i2'DoRTS' ;261 = Page Setup... dc i2'DoRTS' ;262 = Print... end ***************************************************************** * ShutApplic start * * Deallocate memory before shutting down tool sets: * ***************************************************************** using GlobalData rts end ***************************************************************** * DoRTS start * * Ignore an event: * ***************************************************************** rts end ***************************************************************** * DoQuit start * * Turn on quit flag to terminate this application: * ***************************************************************** using GlobalData lda #$8000 sta QuitFlag ;set quit flag rts end ***************************************************************** * DoClose start * * Close front window: * ***************************************************************** using GlobalData PushLong #0 ;space for result _FrontWindow ;get ptr to front window PullLong FrontWinPtr ;save ptr lda FrontWinPtr ;check for open window ora FrontWinPtr+2 beq Done ;no window open PushLong FrontWinPtr ;ptr to front window _CloseNDAbyWinPtr ;close NDA window bcc Done ;NDA window closed anop ;application window in front PushLong #0 ;get menu item ID in wRefCon PushLong FrontWinPtr _GetWRefCon plx ;ID in lo pla ;discard hi phx ;enable menu item _EnableMItem PushLong FrontWinPtr ;ptr to front window _CloseWindow ;close application window Done rts end ***************************************************************** * DoAbout start * * Handle About item in Apple menu (display title and credits): * ***************************************************************** pha ;space for result PushWord #5 ;ref is resource, P-string PushLong #0 ;no substitution array PushLong #$07FE0001 ;reference to alert string _AlertWindow ;display alert window pla ;discard button ID (OK) rts end ***************************************************************** * DoNew start * * Open new TextEdit window: * ***************************************************************** using GlobalData PushLong #0 ;space for result PushLong #0 ;ptr to replacement title PushLong TaskData ;repl refCon (New item ID) PushLong #DrawNew ;ptr to repl content drawing PushLong #0 ;ptr to repl window defProc PushWord #2 ;ref is resource PushLong #$1001 ;ref to window template PushWord #$800E ;type 1 (stnd) window template _NewWindow2 jsr LocalError ;check nonfatal error PullLong NewWindPtr ;ptr to window GrafPort bcs Done ;error PushWord TaskData ;dim New item in File menu _DisableMItem Done rts end ***************************************************************** * DoOpen start * * Open preset TextEdit window: * ***************************************************************** using GlobalData PushLong #0 ;space for result PushLong #0 ;ptr to replacement title PushLong TaskData ;repl refCon (Open item ID) PushLong #DrawOpen ;ptr to repl content drawing PushLong #0 ;ptr to repl window defProc PushWord #2 ;ref is resource PushLong #$1101 ;ref to window template PushWord #$800E ;type 1 (stnd) window template _NewWindow2 jsr LocalError ;check nonfatal error PullLong OpenWindPtr ;ptr to window GrafPort bcs Done ;error PushWord TaskData ;dim New item in File menu _DisableMItem Done rts end ***************************************************************** * DrawNew start * * Draw content region of New window (called by TaskMaster): * ***************************************************************** using GlobalData PushLong NewWindPtr ;ptr to New window _DrawControls rtl end ***************************************************************** * DrawOpen start * * Draw content region of Open window (called by TaskMaster): * ***************************************************************** using GlobalData PushLong OpenWindPtr ;ptr to New window _DrawControls rtl end ***************************************************************** * ChangeMenus start * * Enable or disable menu titles and items during null events: * ***************************************************************** using GlobalData PushLong #0 ;space for result _FrontWindow ;get ptr to front window PullLong FrontWinPtr ;save ptr ldx #$8000 ;assume open window lda FrontWinPtr ;check for open window ora FrontWinPtr+2 bne CheckFlag ;open window found ldx #0 ;no open window CheckFlag cpx WindFlag bne ChangeFlag ;flag changed rts ;flag unchanged so exit ChangeFlag stx WindFlag ;set new flag lda WindFlag ;check for open window bpl NoWind ;no window open anop ;window open so enable specials PushWord #250 ;Undo _EnableMItem PushWord #251 ;Cut _EnableMItem PushWord #252 ;Copy _EnableMItem PushWord #253 ;Paste _EnableMItem PushWord #254 ;Clear _EnableMItem PushWord #255 ;Close _EnableMItem PushWord #$FF7F ;flags: enable menu PushWord #3 ;Edit menu number _SetMenuFlag ;enable Edit menu title bra Done NoWind anop ;no window open so dim specials PushWord #255 ;Close _DisableMItem PushWord #$80 ;flags: diaable menu PushWord #3 ;Edit menu number _SetMenuFlag ;dim Edit menu title and items Done _DrawMenuBar ;display current menu bar rts end **************************************************************** * LocalError start * * Handle nonfatal errors: entry A = error code * **************************************************************** using GlobalData bcc Done ;no error tax ;save error code pha ;space for result PushWord #0 ;type of substitution string PushLong #0 ;ptr to substitution string phx ;error code _ErrorWindow ;display error window pla ;discard button number sec ;return with error signal Done rts end ***************************************************************** * GlobalData data * * Global program data: * ***************************************************************** MasterID ds 2 ;our master memory ID SSRecFinal ds 4 ;ptr to final StartStop record FrontWinPtr ds 4 ;ptr to front window in Close item NewWindPtr ds 4 ;ptr to New window GrafPort OpenWindPtr ds 4 ;ptr to Open window GrafPort QuitFlag ds 2 ;quit=MI, no quit=PL WindFlag ds 2 ;open window=MI, no window=PL TaskRecord anop ;new extended task record What ds 2 ;event code Message ds 4 ;event message When ds 4 ;ticks since startup Where ds 4 ;global position of mouse Modifiers ds 2 ;state of modifier keys TaskData ds 4 ;extended event data TaskMask dc i4'$1FFFFF' ;bit flag (handle all events) LastClkTick ds 4 ;tick value at last click ClickCount ds 2 ;type of last click TaskData2 ds 4 ;additional data TaskData3 ds 4 ;additional data TaskData4 ds 4 ;additional data LastClickY ds 2 ;vertical axis of last click LastClickX ds 2 ;horizontal axis of last click end