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(a) Write down the 12-bit address of the memory location in which the result of the addition operation in Line 24 of the above program
(a) Write down the 12-bit address of the memory location in which the result of the addition operation in Line 24 of the above program is stored.
(b) Write down the 12-bit address of the memory location in which the result of the andwf operation in Line 35 of the above program is stored.
(c) What are the statuses of the five flags in the STATUS register immediately following the execution of Lines 24, 27, 30 and 35? demonstrate how you come up with the statuses of the five flags
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Line Number cblock Ox02 BSR_Set MyReg endc ORG 0x0000 Main: movlb BSR_Set clrf MyReg. A clrf MyReg, BANKED movlw Ox 44 movwf MyReg. A movlw Ox37 addwf MyReg, F, A movlw OXFO iorwf MyReg, F, A movlw Ox54 subwf MyReg, F, A movf MyReg, W, A movwf MyReg, BANKED movlw Ox00 andwf MyReg, F, BANKED ********************************** ; End of program END Line Number cblock Ox02 BSR_Set MyReg endc ORG 0x0000 Main: movlb BSR_Set clrf MyReg. A clrf MyReg, BANKED movlw Ox 44 movwf MyReg. A movlw Ox37 addwf MyReg, F, A movlw OXFO iorwf MyReg, F, A movlw Ox54 subwf MyReg, F, A movf MyReg, W, A movwf MyReg, BANKED movlw Ox00 andwf MyReg, F, BANKED ********************************** ; End of program END
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