15 lines
673 B
Plaintext
15 lines
673 B
Plaintext
; A snippet that you can INCLUDE directly, to invoke MicroBug at early boot,
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; when otherwise you would get a Sad Mac. Trick is to init the Event Queue.
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; Expect 8 bytes of unfamiliar stuff on the stack and some clobbered regs.
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; If you use this as a function, don't forget to RTS!
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move.w #20,d0 ; number of events
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dc.w $A06D ; _InitEvents
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move.l $2BA,-(SP) ; save DSAlertTab
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move.l #-1,$2BA ; because it needs to be nonzero
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move.w #13,d0 ; as if we called _Debugger while it was unimp
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dc.w $A9C9 ; _SysError
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move.l (SP)+,$2BA ; restore DSAlertTab
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