clock.asm

来自「it consist of PCF8583 assembly driver」· 汇编 代码 · 共 31 行

.include "2313def.inc"

.equ	IND_DATA	=5		;IND_DATA  conn to pin #5
.equ	IND_CLOCK	=6		;IND_CLOCK conn to pin #6

.def	CNT1		=R25		;(GL)Counter for DIGIT_7SEG1/DIGIT_7SEG2 Select

.def	KEY		=R24		;(GL)KEY Codes

.def	ACK		=R23		;(GL)ACK Code		

.def	DEL25		=R1		;(GL)DELAY 0.25 ms

.def	ALRM		=R2		;(GL)ALRM On/Off Flag

.def	POINT		=R4		;(GL)POINT On/Off Flag

;======================== *** SRAM SEGMENT ***==============================

	.DSEG  				;SRAM memory segment


IND_COUNT:	.byte	1		;IND Counter
IND_ADR:	.byte	1		;IND Adress
IND_FLAG:	.byte	1		;IND FLAG (DIGIT_7SEG1/DIGIT_7SEG2 Select)

KEY_SHIFT:	.byte	1		;KEY CODES CREATING

WR_TIME_FL:	.byte	1		;"0" - write TIME; "1" - write ALARM

DIGIT_7SEG1:	.byte	4		;DIGIT in 7-SEG Code