start.asm

一款很好的ＵＳＢ接口的鼠标

include HT82M99E.INC
include	usbfifo.inc

extern  main_start:near
extern  ext_start:near

extern	isr_usb_acc :byte
extern	isr_usb_status	:byte

main1   .section        at 0 'code'
        org     0000H
        set     CLK_ctrl_reg.6                  ; 砞﹚6MHz
        mov     a,00001111b                     ;
        mov     WDTS,a                          ;
        jmp     main_start
;----------------------------------------------------------------------------------------------
        org     0004H
        MOV     ISR_USB_ACC,A           ; Save ACC
        MOV     A,STATUS                ; Save STATUS
        MOV     isr_usb_status,A        ;
        jmp     EXt_start

;        org     0008H
;        reti