MGLS240128AT驱动汇编程序
来源: 作者: 时间:2008-05-09 阅读:
MOV DAT2,A
MOV COM,#0C0H
LCALL PR11
MOV A,CODEC
ADD A,#02H
MOV DAT2,A
LCALL PR11
MOV A,#20H
ADD A,O_X
MOV DAT1,A
CLR A
ADDC A,O_Y
MOV DAT2,A
MOV COM,#24H
LCALL PR1
MOV A,CODEC
INC A
MOV DAT2,A
MOV COM,#24H
LCALL PR1
MOV A,CODEC
INC A
MOV DAT2,A
MOV COM,#0C0H
LCALL PR11
MOV A,CODEC
ADD A,#03H
MOV DAT2,A
LCALL PR11
RET
;/////////////////////DELAY1000MS////////////////////
; delay1000ms
; input parameters: none
; used registers: R5,R6,R7
; for 6MHZ 8051, T=0.002ms, therefore, 1000ms=500000T, most instruction has 1 or 2 T.
; for 12MHZ 8051,T=0.001ms, therefore, 1000ms=1000000T,most instruction has 1 or 2 T.
DELAY1000MS: MOV R7,#20
DELAY1000MS2: MOV R6,#100 ; 2T
DELAY1000MS1: MOV R5,#248 ; 2T
DJNZ R5,$ ; 2T
DJNZ R6,DELAY1000MS1 ; 2T
DJNZ R7,DELAY1000MS2 ; 2T
RET ; 1T
; total=2+((2+2*248+2)*100+2)*20+1=1000023T=1000ms
CGTAB: DB 008H,07CH,049H,049H,049H,079H,04AH,04CH;胜
DB 048H,079H,048H,048H,048H,048H,04BH,098H
DB 020H,020H,020H,020H,028H,0FCH,020H,020H
DB 028H,0FCH,020H,020H,020H,024H,0FEH,000H
DB 001H,041H,037H,011H,001H,000H,0EFH,020H;诺
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