Zilog Z16C35 - Manual (Page 243)

Application Note
SCC in Binary Synchronous Communications
10-13
9
SPECIAL CONDITION INTERRUPT SERVICE ROUTINE
o errors
Assembly complete
011E
GLOBAL
ENTRY
SPCOND PROCEDURE
011E 93F0 PUSH @Rl5, R0
0120 3A84 INB RL0, RR0A+2 !READ ERRORS!
0122 FE23
!PROCESS ERRORS!
0124 C830 LDB RL0, #%30
0126 3A8B6 OUTB WR0A, RL0 !ERROR RESET!
0128 FE21
012A C808 LDB RL0, #%08
012C 3A86 OUTB WR0A+2, RL0 !WAIT DISABLE, RxINT ON 1ST OR SP COND.!
012E FE23
0130 C0D1 LDB RL0, #%D1
0132 3A86 OUTB WR0A+6, RL0 !HUNT MODE, REC. ENABLE!
0134 FE27
0136 C838 LDB RL0, #%38
0138 3A86 OUTB WR0A, RL0 !RESET HIGHEST IUS!
013A FE21
013C 97F0 POP R0, @Rl5
013E 7B00 IRET
0140 END SPCOND
END BISYNC
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