Interrupt Handler d889

d889 cc 07 d0    ldd 0x07D0
d88c f3 10 1e    addd (0x101E) ; TIC4 Register
d88f fd 10 1e    std (0x101E) ; TIC4 Register
d892 86 08       ldaa 0x08
d894 b7 10 23    staa (0x1023) ; TFLG1 Register
d897 7d 00 c6    tst (0x00C6)
d89a 26 01       bne [0xD89D]
d89c 3b          rti
d89d 7a 00 c6    dec (0x00C6)		Branch Target from d89a
d8a0 d6 00       ldab (0x0000)
d8a2 c4 0c       andb 0x0C
d8a4 27 03       beq [0xD8A9]
d8a6 7e d9 5e    jmp (0xD95E)
d8a9 b6 10 20    ldaa (0x1020)		Branch Target from d8a4 ; TCTL1 Register
d8ac 88 01       eora 0x01
d8ae b7 10 20    staa (0x1020) ; TCTL1 Register
d8b1 96 b7       ldaa (0x00B7)
d8b3 26 0c       bne [0xD8C1]
d8b5 96 59       ldaa (0x0059)
d8b7 2a 08       bpl [0xD8C1]
d8b9 7c 00 5b    inc (0x005B)
d8bc 26 03       bne [0xD8C1]
d8be 7a 00 5b    dec (0x005B)
d8c1 7a 00 2b    dec (0x002B)		Branch Target from d8b3, d8b7, d8bc
d8c4 26 19       bne [0xD8DF]
d8c6 f6 c0 11    ldab (0xC011)
d8c9 d7 2b       stab (0x002B)
d8cb dc 23       ldd (0x0023)
d8cd d3 27       addd (0x0027)
d8cf dd 2d       std (0x002D)
d8d1 14 39 02    bset (0x0039), 0x02
d8d4 dc 23       ldd (0x0023)
d8d6 dd 27       std (0x0027)
d8d8 05          asld
d8d9 dd 2f       std (0x002F)
d8db 4f          clra
d8dc 5f          clrb
d8dd dd 23       std (0x0023)
d8df 7a 00 e5    dec (0x00E5)		Branch Target from d8c4
d8e2 26 12       bne [0xD8F6]
d8e4 c6 3f       ldab 0x3F
d8e6 d7 e5       stab (0x00E5)
d8e8 dc e1       ldd (0x00E1)
d8ea d3 e3       addd (0x00E3)
d8ec dd d6       std (0x00D6)
d8ee dc e1       ldd (0x00E1)
d8f0 dd e3       std (0x00E3)
d8f2 4f          clra
d8f3 5f          clrb
d8f4 dd e1       std (0x00E1)
d8f6 b6 10 00    ldaa (0x1000)		Branch Target from d8e2 ; PORTA Register
d8f9 84 7f       anda 0x7F
d8fb d6 0f       ldab (0x000F)
d8fd 2a 02       bpl [0xD901]
d8ff 8a 80       oraa 0x80
d901 b7 10 00    staa (0x1000)		Branch Target from d8fd ; PORTA Register
d904 c4 34       andb 0x34
d906 b6 10 08    ldaa (0x1008) ; PORTD Register
d909 84 cb       anda 0xCB
d90b 1b          aba
d90c b7 10 08    staa (0x1008) ; PORTD Register
d90f b6 10 31    ldaa (0x1031) ; ADR1 Register
d912 85 01       bita 0x01
d914 26 2c       bne [0xD942]
d916 b6 10 33    ldaa (0x1033) ; ADR3 Register
d919 85 02       bita 0x02
d91b 26 15       bne [0xD932]
d91d 96 ec       ldaa (0x00EC) ; TorqSig error counter
d91f 8b 01       adda 0x01
d921 97 ec       staa (0x00EC) ; TorqSig error counter
d923 81 07       cmpa 0x07
d925 23 1b       bls [0xD942]
d927 4a          deca
d928 97 ec       staa (0x00EC) ; TorqSig error counter
d92a 14 e0 10    bset (0x00E0), 0x10
d92d 14 05 10    bset (0x0005), 0x10 ; TorqSig_Error
d930 20 10       bra [0xD942]
d932 96 18       ldaa (0x0018)		Branch Target from d91b ; Vehicle_Speed
d934 b1 c0 47    cmpa (0xC047)
d937 25 09       bcs [0xD942]
d939 7f 00 ec    clr (0x00EC) ; TorqSig error counter
d93c 15 e0 10    bclr (0x00E0), 0x10
d93f 15 05 10    bclr (0x0005), 0x10 ; TorqSig_Error
d942 d6 10       ldab (0x0010)		Branch Target from d914, d925, d930, d937
d944 b6 10 31    ldaa (0x1031) ; ADR1 Register
d947 84 f8       anda 0xF8
d949 1b          aba
d94a b7 10 31    staa (0x1031) ; ADR1 Register
d94d 0e          cli
d94e bd da cd    jsr (0xDACD)
d951 ce d9 5f    ldx 0xD95F
d954 d6 b7       ldab (0x00B7)
d956 58          aslb
d957 3a          abx
d958 ee 00       ldx (X+0x00)
d95a 27 02       beq [0xD95E]
d95c ad 00       jsr (X+0x00)
d95e 3b          rti		Branch Target from d8a6, d95a

d95f DATA da 70 de a9 00 00 de 3a 
d967 DATA da 1a d9 fa de a9 df 12 
d96f DATA 00 00 d9 73