listing2.txt

来自「flash programming in linx」· 文本 代码 · 共 22 行

; Declare the external flag bit
EXTRN BIT       (BootCodeRunning)

;
; Redirect External Interrupt 0 to App interrupt or
; local interrupt #16.
;
                ORG     0003h
                JB      BootCodeRunning, LOCAL_INT0
                LJMP    2003h
LOCAL_INT0:     AJMP    0083h

;
; Redirect Timer/Counter Interrupt 0 to App interrupt
; or local interrupt #17.
;
                ORG     000Bh
                JB      BootCodeRunning, LOCAL_INT1
                LJMP    200Bh
LOCAL_INT1:     AJMP    008Bh