hal_write_tx_fifo.s51

来自「zigbee location examples」· S51 代码 · 共 32 行

#include "ioCC2430.h"
#include <iar_check_symbols.h>

                MODULE  hal_write_tx_fifo.a51

#if (__CODE_MODEL__ == __CM_BANKED__)
                EXTERN  ?BRET
#endif

                RSEG    RCODE
                PUBLIC  halWriteTxFifo;
                FUNCTION halWriteTxFifo, 0203H
halWriteTxFifo: MOV     A, R1;
                JZ      done;
                PUSH    DPL;
                PUSH    DPH;
                MOV     DPL, R2;
                MOV     DPH, R3;
loop:               MOVX    A, @DPTR;
                    INC     DPTR;
                    MOV     RFD, A;
                    DJNZ    R1, loop;
                POP     DPH;
                POP     DPL;
done:
#if (__CODE_MODEL__ == __CM_BANKED__)

                LJMP    ?BRET;
#else
                RET
#endif
                END;