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📄 usbjmptb.a51

📁 a3load is 8051 firmware that can be used for uploading or downloading to EZ-USB RAM (internal or ex
💻 A51
字号:
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

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