usb_proc.asm

来自「Holtek公司的鼠标开发资料源码」· 汇编 代码 · 共 17 行

include         HT82K96E.inc
include         usbrf.inc
include         usbfifo.inc


START_VAR               EQU                     20H
extern                  STALL                   :byte

;usbproc    .section   AT 310H   'code'
usbproc    .section   AT 320H   'code'
;-------------------------------------------------------------------

Ram_init:      ;clear RAM {20~BF}
        mov      a,start_var             ;
        mov      mp0,a                   ;
        mov      a,160                   ;
next_addr2:                             ; 盢User RAM[20H~BFH]睲