usbjmptb.a51

来自「a3load is 8051 firmware that can be used」· A51 代码 · 共 21 行

NAME		USBJmpTbl

extrn		code (ISR_Sudav)
public		USB_AutoVector, USB_Jump_Table
;------------------------------------------------------------------------------
; Interrupt Vectors
;------------------------------------------------------------------------------
		CSEG	AT 43H
USB_AutoVector	equ	$ + 2
		ljmp	USB_Jump_Table	; Autovector will replace byte 45
;------------------------------------------------------------------------------
; USB Jump Table
;------------------------------------------------------------------------------
?PR?USB_JUMP_TABLE?USBJT	segment	code page	; Place jump table on a page boundary
		RSEG 	?PR?USB_JUMP_TABLE?USBJT	; autovector jump table
USB_Jump_Table:	
		ljmp	ISR_Sudav	; Setup Data Available
		db	0		
;
		end