write.asm

一个锅炉温度控制程序

NAME WRITE
;void can_write(char a, char b)
?PR?_CAN_WRITE?WRITE SEGMENT CODE
?DT?_CAN_WRITE?WRITE SEGMENT DATA OVERLAYABLE

PUBLIC    _can_write
RSEG ?DT?_CAN_WRITE?WRITE
?_can_write?BYTE:
	a?00:	DS	1
	b?00:	DS	1

RSEG ?PR?_CAN_WRITE?WRITE
USING	0
_can_write:
	MOV a?00,R7
	MOV b?00,R5
	MOV DPTR,#2000H
	MOV A,DPL
	ADD A,R7
	MOV DPL,A
	MOV A,R5
	MOVX @DPTR,A
	RET

	END