314 lines
6.4 KiB
ArmAsm
314 lines
6.4 KiB
ArmAsm
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;Input routines
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include "offsets.i"
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include "defs.i"
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include "errordefs.i"
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include "macros.i"
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include "macros2.i"
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ifd CREATOR
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incdir "/AMOS1.3"
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else
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incdir "/AMOS"
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endc
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; include "equ.s" ;PhxAss is buggy...
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EcNumber equ 188
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Bnk_BitData equ 0
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Bnk_BitChip equ 1
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Bnk_BitBob equ 2
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Bnk_BitIcon equ 3
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section text,code
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xref DataBase
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xref NoScr
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xref InternalErr
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xref InternalErr2
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xref ProgInt
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xref GetCurWin
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xref GetSomeWinFlags
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xref SetSomeWinFlags
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xdef GetCurInput
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xdef ConvRawKey
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xdef DoEvent
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xdef GetKey
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xdef GetMouse
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xdef GetMenu
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GetCurInput: ;Get current input port to D0
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pstart2
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dmove.l CurIwindow,d0
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beq .nowin
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move.l d0,a0
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move.l wd_UserPort(a0),d0
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ret2
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.nowin dmove.l CurIscreen,d0
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beq NoScr
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move.l d0,a0
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move.l sc_UserData(a0),a0
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move.l se_BaseWin(a0),a0
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move.l wd_UserPort(a0),d0
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ret2
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ConvRawKey: ;Convert raw key code to character. D0=code,
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; D1=qualifier. Return 0 if not convertable.
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pstart2
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move.l a2,-(a7)
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sub.l #ie_sizeof+2,a7
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clr.l ie_NextEvent(a7)
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move.b #1,ie_Class(a7) ;IECLASS_RAWKEY
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move.w d0,ie_Code(a7)
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move.w d1,ie_Qualifier(a7)
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dmove.l ConsoleDevice,a6
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move.l a7,a0
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lea ie_sizeof+1(a7),a1
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moveq #1,d1
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sub.l a2,a2
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jsr -$30(a6) ;RawKeyConvert()
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add.l #ie_sizeof,a7
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tst.l d0
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bmi .notok
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move.w (a7)+,d0
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bra .done
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.notok moveq #0,d0
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addq.l #2,a7
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.done move.l (a7)+,a2
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ret2
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DoEvent: ;Get an event from port in A0 and do something. Keep
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; repeating until im_Class & D0 or no more messages.
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; Return Z clear if im_Class & D0, set otherwise.
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; im_Class of the last message is returned in D0.
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; Depending on im_Class, a return value may be in D1.
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pstart2
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movem.l d2-d3/a2,-(a7)
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move.l d0,d2
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move.l a0,-(a7)
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cmp.b #NT_MSGPORT,ln_Type(a0)
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beq .lp
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move.l #$44457605,d1
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bsr InternalErr
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.lp move.l (a7),a0
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syscall GetMsg
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tst.l d0
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beq .exit
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move.l d0,a0
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move.l a0,a2
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move.l im_Class(a0),d3
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cmp.l #CLOSEWINDOW,d3
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bne .notcw
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move.l im_IDCMPWindow(a0),a0
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moveq #WEF_CLOSED,d0
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move.l d0,d1
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bsr SetSomeWinFlags
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bra .endlp
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.notcw cmp.l #RAWKEY,d3
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bne .notrk
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move.w im_Code(a0),d0
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cmp.w #$60,d0 ;Ignore key up and shifting-key events
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bcs .keyok
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moveq #0,d3
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bra .endlp
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.keyok move.w im_Qualifier(a0),d1
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dmove.l KeyBufPtr,a0 ;Get pointer to next event to read
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dmove.l KeyBufNext,a1 ;Get pointer to current end of buffer
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sub.w #ke_sizeof,a1 ;Are we out of buffer?
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cmp.l a0,a1
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bne .setke
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moveq #0,d3 ;Yes, discard event
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bra .endlp
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.setke move.b d0,ke_code(a0) ;Save event data in buffer
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move.b d1,ke_qual(a0)
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move.l a0,-(a7)
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bsr ConvRawKey
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move.l (a7)+,a0
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move.b d0,ke_char(a0)
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add.l #ke_sizeof,a0
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dcmp.l KeyBufEnd,a0 ;Update pointer (buffer is circular)
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bne .chkbrk
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dmove.l KeyBuffer,a0
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.chkbrk tmove.l a0,KeyBufPtr
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cmp.b #3,d0 ;Ctrl-C interrupts program
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bne .endlp
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bra ProgInt
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.notrk cmp.l #MOUSEBUTTONS,d3
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bne .notmb
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move.b im_Code+1(a0),d0
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bclr #7,d0
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seq d1 ;D1 == 0 if release, != 0 if press
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and.w #3,d0 ;SELECTDOWN is $68, MENUDOWN $69
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tst.b d1
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bne .mbset
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dmove.b MouseState,d1
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bclr d0,d1
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tmove.b d1,MouseState
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bra .mbdone
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.mbset dmove.b MouseState,d1
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bclr d0,d1
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tmove.b d1,MouseState
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.mbdone bra .endlp
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.notmb cmp.l #MENUPICK,d3
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bne .notmu
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move.w im_Code(a0),d1
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dmove.l MenuBufPtr,a0
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dmove.l MenuBufNext,a1
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sub.w #ue_sizeof,a1
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cmp.l a0,a1
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bne .setmu
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moveq #0,d3
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bra .endlp
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.setmu move.w d1,ue_menupick(a0)
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add.l #ue_sizeof,a0
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dcmp.l MenuBufEnd,a0
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bne .muset
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dmove.l MenuBuffer,a0
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.muset tmove.l a0,MenuBufPtr
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bra .endlp
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.notmu cmp.l #GADGETDOWN,d3
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bne .notgd
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move.l im_IAddress(a0),a1
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move.l gg_UserData(a1),a0
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;Check whether this is really one of our gadgets. (It should be,
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; but this can't hurt...)
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cmp.l #GADGET_MAGIC,ge_MagicID(a0)
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bne .badgad
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or.l #GEF_GADGETDOWN,ge_Flags(a0)
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moveq #0,d0 ;Return gadget number
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move.w gg_GadgetID(a1),d0
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bra .endlp
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.notgd cmp.l #GADGETUP,d3
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bne .notgu
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move.l im_IAddress(a0),a1
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move.l gg_UserData(a1),a0
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cmp.l #GADGET_MAGIC,ge_MagicID(a0)
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bne .badgad
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and.l #~GEF_GADGETDOWN,ge_Flags(a0)
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moveq #0,d0 ;Return gadget number
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move.w gg_GadgetID(a1),d0
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move.w #~GADGETTYPE,d1
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and.w gg_GadgetType(a1),d1
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cmp.w #BOOLGADGET,d1
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bne .endlp
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move.w #TOGGLESELECT,d1
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and.w gg_Activation(a1),d1
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bne .endlp
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addq.w #1,ge_HitCount(a0)
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bra .endlp
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.badgad moveq #0,d3
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bra .endlp
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.notgu
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.endlp move.l d0,-(a7)
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move.l a2,a1
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syscall ReplyMsg
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move.l (a7)+,d1 ;Message's return value to D1
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cmp.l #CLOSEWINDOW,d3
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beq .done
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.test and.l d2,d3
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beq .lp
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.done move.l d3,d0
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.exit addq.l #4,a7
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movem.l (a7)+,d2-d3/a2
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ret2
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GetKey: ;Read key from buffer, return Z set if no key pressed.
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; Input port in A0.
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pstart2
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cmp.b #NT_MSGPORT,ln_Type(a0)
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beq .portok
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move.l #$6B655F02,d1
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bsr InternalErr
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.portok move.l #RAWKEY,d0
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bsr DoEvent
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dmove.l KeyBufNext,a0
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dcmp.l KeyBufPtr,a0
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beq .nokey
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moveq #0,d0
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move.b ke_code(a0),d0
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tmove.w d0,LastCode
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move.b ke_qual(a0),d0
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tmove.w d0,LastQual
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move.b ke_char(a0),d0
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tmove.b d0,LastChar
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add.l #ke_sizeof,a0
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dcmp.l KeyBufEnd,a0
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bcs .set
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dmove.l KeyBuffer,a0
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.set tmove.l a0,KeyBufNext
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moveq #1,d1
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ret2
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.nokey dclr.w LastCode
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dclr.w LastQual
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dclr.b LastChar
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moveq #0,d0
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ret2
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GetMouse: ;Read MB event, return Z set if none available. Input
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; port in A0.
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pstart2
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cmp.b #NT_MSGPORT,ln_Type(a0)
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beq .portok
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move.l #$6D655F02,d1
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bsr InternalErr
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.portok move.l #MOUSEBUTTONS,d0
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bsr DoEvent
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ret2
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GetMenu: ;Read menu event, return Z set if none available.
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; Input port in A0.
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pstart2
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movem.l d2/a2,-(a7)
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move.l a0,a2
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cmp.b #NT_MSGPORT,ln_Type(a2)
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beq .portok
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move.l #$75655F04,d1
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bsr InternalErr
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.portok move.l #MENUPICK,d0
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move.l a2,a0
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bsr DoEvent
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dmove.l MenuBufNext,a0
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dcmp.l MenuBufPtr,a0
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beq .nomenu
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move.w ue_menupick(a0),d2
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add.l #ue_sizeof,a0
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dcmp.l MenuBufEnd,a0
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bcs .set
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dmove.l MenuBuffer,a0
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.set tmove.l a0,MenuBufNext
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cmp.w #MENUNULL,d2
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beq .portok
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bsr GetCurWin
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tst.l d0
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bne .okwin
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move.l #$75655F16,d1
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bsr InternalErr
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.okwin move.l d0,a0
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move.l wd_UserData(a0),a0
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move.l we_FirstMenu(a0),a0
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move.w d2,d0
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intcall ItemAddress
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tst.l d0
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bne .okitem
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move.l #$75655F1F,d1
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exg d2,d3
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moveq #0,d2
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move.w d3,d2
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bsr InternalErr2
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.okitem move.l d0,a0
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tst.w mi_IsSubitem(a0)
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bne .issub
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dclr.w LastMenuSub
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bra .doitem
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.issub tmove.w mi_ItemNum(a0),LastMenuSub
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move.l mi_Parent(a0),a0
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.doitem tmove.w mi_ItemNum(a0),LastMenuItem
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move.l mi_Parent(a0),a0
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tmove.w mu_MenuNum(a0),LastMenu
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moveq #1,d1
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movem.l (a7)+,d2/a2
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ret2
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.nomenu moveq #0,d0
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movem.l (a7)+,d2/a2
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ret2
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