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54 lines
1.3 KiB
Plaintext
54 lines
1.3 KiB
Plaintext
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; File: JPInit.a
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;
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; Contains: xxx put contents here xxx
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;
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; Written by: xxx put writers here xxx
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;
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; Copyright: © 1990 by Apple Computer, Inc., all rights reserved.
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;
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; Change History (most recent first):
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;
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; <2> 1/30/90 BAL Added an allocCursor in order to update the crsr lomem. Under
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; the normal install process this is taken care of by the
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; slotManager patch.
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;
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; To Do:
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;
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INCLUDE 'Traps.a'
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INIT PROC EXPORT
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move.l $2ae,a0
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cmp.w #$67c,8(a0) ; IIci or F19?
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bne.s @1 ; no, skip it
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tst.b $172 ;Button?
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bne.s @0
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_debugger
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@1 rts ;yes, return
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@0
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movem.l d0-d7/a0-a6,-(sp) ; save all
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;
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; Install RAM based 32-Bit QuickDraw:
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;
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transl subq #4,SP ; room for result
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Move.L #'ptch',-(SP) ; signature of loadable patch resource
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Move.W #31,-(SP) ; pass along JP id
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_Get1Resource ; just in case we want to ROM it later on
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move.l (SP)+,d0 ; handle returned?
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beq.s @skip ; no, skip install
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Move.l d0,A0 ; fetch handle
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Move.L (A0),A0 ; point at head of resource
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Jsr (A0) ; go execute init code
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_AllocCursor
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@skip
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movem.l (sp)+,d0-d7/a0-a6 ; restore all
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rts ; return to rom78fix.a
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END
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