?? asample2.a51
字號(hào):
NAME STRING_IO
;
EXTRN BIT (TXTBIT)
EXTRN CODE (PUTCHAR)
PUBLIC PUT_CRLF, PUTSTRING
STRING_ROUTINES SEGMENT CODE
RSEG STRING_ROUTINES
; This routine outputs a CR and a LF
CR equ 0DH ; carriage return
LF equ 0AH ; line feed
PUT_CRLF:
MOV A,#CR
CALL PUTCHAR
MOV A,#LF
CALL PUTCHAR
RET
; Routine outputs a null-terminated string whose
; address is given in DPTR. The string can be
; located in CODE or XDATA memory depending on
; the value of TXTBIT.
PUTSTRING:
; check TXTBIT
JB TXTBIT,PS1
CLR A
MOVC A,@A+DPTR
SJMP PS2
PS1: MOVX A,@DPTR
PS2: JZ EXIT
CALL PUTCHAR
INC DPTR
SJMP PUTSTRING
EXIT: RET
END
?? 快捷鍵說明
復(fù)制代碼
Ctrl + C
搜索代碼
Ctrl + F
全屏模式
F11
切換主題
Ctrl + Shift + D
顯示快捷鍵
?
增大字號(hào)
Ctrl + =
減小字號(hào)
Ctrl + -