MAIN: ACALL PRESET ; Call Preset routine CONFIG: JNB P4.6,REVDUAL ; Detect WOCT config bit CLR IEN1.5 ; Disable Timer2 CM1 interrupt ACALL WOCT ; Call WOCT routine REVDUAL:JNB P1.1,DUAL ; Detect DUAL config bit FA: JNB P1.3,FB ; Detect FWD_A enable cmd JB P0.4,AON ; If A firing cmd on, jump to AON JB P3.5,REG ; If Voltage still high, jump to REG CLR P0.5 ; Turn B firing cmd off CLR P1.2 ; Turn Regen signal off MOV CMH0,#18H ; Load CMH0 with 18H MOV CML0,#00H ; Load CML0 with 00H ACALL DELAY ; 50ms SETB TCON.4 ; Start TM0 ADUAL: SETB P0.4 ; Turn A firing cmd on AON: JBC 20H.0,CTRLA ; Test CT0 done bit flag AJMP CHECK1 ; / CTRLA: AJMP FWD_C ; FWD_C control routine FB: JNB P1.4,REG ; Detect REV_B enable cmd JB P0.5,BON ; If B firing cmd on, jump to JB P3.7,REG ; If voltage still high, jump to REG CLR P0.4 ; Turn A firing cmd off CLR P1.2 ; Turn Regen signal off MOV CMH1,#18H ; Reload CMH1 with 18H MOV CML1,#00H ; Reload CML1 with 00H ACALL DELAY ; 50ms SETB TCON.4 ; Start TM0 BDUAL: SETB P0.5 ; Turn B firing cmd on BON: JBC 20H.0,CTRLB ; Test CT0 done bit flag AJMP CHECK3 ; / CTRLB: AJMP REV_C ; REV_C control routine