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Download ANI sr2, byte - Renesas Electronics
Transcript
CHAPTER 8 ANALOG/DIGITAL CONVERTER FUNCTIONS ;*****A/D CONVERTER SERVICE****** ADSE : EXA ; Save accumulator EXX ; Save register MOV A, CR0 STAX H MOV A, CR1 STAX H+8H MOV A, CR2 STAX H+10H ; Store A/D conversion data to memory ; Store A/D conversion data to memory <a> ; Store A/D conversion data to memory MOV A, CR3 STAX H+18H ; Store A/D conversion data to memory DCR B ; Decrement counter, skip if borrow JR ARIN DCR C JR ARST0 MOV A, D DCR A JR ARST1 MOV A, E <c> <d> DCR A JR ARST2 LXI H, 4000H ; Set data pointer LXI D, 0101H ; Set counter MVI C, 01H ; Set counter JR RET1 ARIN : INX JR ARST0 : LXI JR ARST1 : LXI H H, 4004H D, A JR RET0 H, 4024H MOV E, A MVI D, 00H RET0 : MVI C, 00H RET1 : MVI B, 03H XRI RET2 : EXA ; Increment HL ; Set data pointer RET1 MOV ARST2 : LXI <e> RET2 H, 4020H ANM, 08H <b> <f> <b> <c> ; Set data pointer <d> ; Set data pointer <e> ; Invert ANI2 bit ; Recover accumulator EXX ; Recover register EI ; Enable interrupt RETI ; Return 151
