9.4.2 256种分支的散转程序.txt

里面有好多的原码,大家都来下载.用asm编写的

JMP256:
MOV	A,R3						
MOV	DPTR，#TBL				
CLR		C
RLC		A					
JNC		LOW128					
INC		DPH						
LOW128:
MOV	SAVE,A
MOVC	A,@A+DPTR
PUSH	ACC						
MOV	A,SAVE
INC		A
MOVC	A,@A+DPTR
PUSH	ACC
RET