supermario/base/SuperMarioProj.1994-02-09/QuickDraw/JacksonPollock/JPInit.a
2019-06-29 23:17:50 +08:00

54 lines
1.3 KiB
Plaintext

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