Re: Delco HDRC (Y17DT DYRX, DMRW & DNLF)
Posted: Wed Jul 30, 2014 7:04 am
It doesn`t look like your example with 68K selected. At 0x00000 is ECU identifier, nothing like user vector.
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ROM:00001F68 ; =============== S U B R O U T I N E =======================================
ROM:00001F68
ROM:00001F68
ROM:00001F68 sub_1F68: ; CODE XREF: sub_1FC4+10p
ROM:00001F68 ; ROM:00002078p ...
ROM:00001F68
ROM:00001F68 arg_3 = 7
ROM:00001F68
ROM:00001F68 2F07 move.l d7,-(sp)
ROM:00001F6A 1E2F 000B move.b 4+arg_3(sp),d7
ROM:00001F6E 207C 00FF 802A movea.l #$FF802A,a0
ROM:00001F74 72C0 moveq #$FFFFFFC0,d1
ROM:00001F76 C210 and.b (a0),d1
ROM:00001F78 1081 move.b d1,(a0)
ROM:00001F7A 703F moveq #$3F,d0 ; '?'
ROM:00001F7C C007 and.b d7,d0
ROM:00001F7E BE00 cmp.b d0,d7
ROM:00001F80 6606 bne.s loc_1F88
ROM:00001F82 1007 move.b d7,d0
ROM:00001F84 8001 or.b d1,d0
ROM:00001F86 1080 move.b d0,(a0)
ROM:00001F88
ROM:00001F88 loc_1F88: ; CODE XREF: sub_1F68+18j
ROM:00001F88 13C7 00FF 802D move.b d7,($FF802D).l
ROM:00001F8E 4A10 tst.b (a0)
ROM:00001F90 6A0A bpl.s loc_1F9C
ROM:00001F92 13F9 00FF 815A 00FF 8159 move.b ($FF815A).l,($FF8159).l
ROM:00001F9C
ROM:00001F9C loc_1F9C: ; CODE XREF: sub_1F68+28j
ROM:00001F9C 13FC 0011 00FF 815A move.b #$11,($FF815A).l
ROM:00001FA4 1039 00FF 8139 move.b ($FF8139).l,d0
ROM:00001FAA B039 00FF 813A cmp.b ($FF813A).l,d0
ROM:00001FB0 630A bls.s loc_1FBC
ROM:00001FB2 13FC 0008 00FF 8029 move.b #8,($FF8029).l
ROM:00001FBA 6004 bra.s loc_1FC0
ROM:00001FBC ; ---------------------------------------------------------------------------
ROM:00001FBC
ROM:00001FBC loc_1FBC: ; CODE XREF: sub_1F68+48j
ROM:00001FBC 6100 FF42 bsr.w sub_1F00
ROM:00001FC0
ROM:00001FC0 loc_1FC0: ; CODE XREF: sub_1F68+52j
ROM:00001FC0 2E1F move.l (sp)+,d7
ROM:00001FC2 4E75 rts
ROM:00001FC2 ; End of function sub_1F68