在Borland C++6 中的c语言项目中加入OS_CPU_A.ASM文件，编译后报错如下：
[Linker Fatal Error] Fatal: Unsupported 16-bit segment(s) in module H:\SOFTWARE\uCOS\Ix86L\BC45\OS_CPU_A.ASM
估计是由于OS_CPU_A.ASM文件中的命令为16位的，无法和Borland C++6编译的32位的程序兼容造成的；但是如何才能解决这个问题呢？？？
Borland C/C++ V4.51(Borland Turbo C++ 4.5)是否为16位的，在哪里能得到？？？
下面是OS_CPU_A.ASM文件，如何才能编译通过？请诸位大虾指教！！

;********************************************************************************************************
;                                    PUBLIC and EXTERNAL REFERENCES
;********************************************************************************************************

            PUBLIC _OSTickISR
            PUBLIC _OSStartHighRdy
            PUBLIC _OSCtxSw
            PUBLIC _OSIntCtxSw

            EXTRN  _OSIntExit:FAR
            EXTRN  _OSTimeTick:FAR
            EXTRN  _OSTaskSwHook:FAR

            EXTRN  _OSIntNesting:BYTE
            EXTRN  _OSTickDOSCtr:BYTE
            EXTRN  _OSPrioHighRdy:BYTE
            EXTRN  _OSPrioCur:BYTE
            EXTRN  _OSRunning:BYTE
            EXTRN  _OSTCBCur:DWORD
            EXTRN  _OSTCBHighRdy:DWORD

.MODEL      LARGE
.CODE
.186
            PAGE                                  ; /*$PAGE*/
;*********************************************************************************************************
;                                          START MULTITASKING
;                                       void OSStartHighRdy(void)
;
; The stack frame is assumed to look as follows:
;
; OSTCBHighRdy->  OSTCBStkPtr -->   DS                               (Low memory)
;                               ES
;                               DI
;                               SI
;                               BP
;                               SP
;                               BX
;                               DX
;                               CX
;                               AX
;                               OFFSET  of task code address
;                               SEGMENT of task code address
;                               Flags to load in PSW
;                               OFFSET  of task code address
;                               SEGMENT of task code address
;                               OFFSET  of 'pdata'
;                               SEGMENT of 'pdata'               (High memory)
;
; Note : OSStartHighRdy() MUST:
;           a) Call OSTaskSwHook() then,
;           b) Set OSRunning to TRUE,
;           c) Switch to the highest priority task.
;*********************************************************************************************************

_OSStartHighRdy  PROC FAR

            MOV    AX, SEG _OSTCBHighRdy          ; Reload DS
            MOV    DS, AX                         ;
;
            CALL   FAR PTR _OSTaskSwHook          ; Call user defined task switch hook
;
            MOV    AL, 1                          ; OSRunning = TRUE;
            MOV    BYTE PTR DS:_OSRunning, AL     ;   (Indicates that multitasking has started)
;
            LES    BX, DWORD PTR DS:_OSTCBHighRdy ; SS:SP = OSTCBHighRdy->  OSTCBStkPtr
            MOV    SS, ES:[BX+2]                  ;
            MOV    SP, ES:[BX+0]                  ;
;
            POP    DS                             ; Load task's context
            POP    ES                             ;
            POPA                                  ;
;
            IRET                                  ; Run task

_OSStartHighRdy  ENDP

            PAGE                                  ; /*$PAGE*/
;*********************************************************************************************************
;                                PERFORM A CONTEXT SWITCH (From task level)
;                                           void OSCtxSw(void)
;
; Note(s): 1) Upon entry,
;             OSTCBCur     points to the OS_TCB of the task to suspend
;             OSTCBHighRdy points to the OS_TCB of the task to resume
;
;          2) The stack frame of the task to suspend looks as follows:
;
;                 SP ->   OFFSET  of task to suspend    (Low memory)
;                       SEGMENT of task to suspend
;                       PSW     of task to suspend    (High memory)
;
;          3) The stack frame of the task to resume looks as follows:
;
;                 OSTCBHighRdy->  OSTCBStkPtr -->   DS                               (Low memory)
;                                               ES
;                                               DI
;                                               SI
;                                               BP
;                                               SP
;                                               BX
;                                               DX
;                                               CX
;                                               AX
;                                               OFFSET  of task code address
;                                               SEGMENT of task code address
;                                               Flags to load in PSW             (High memory)
;*********************************************************************************************************

_OSCtxSw    PROC   FAR
;
            PUSHA                                  ; Save current task's context
            PUSH   ES                              ;
            PUSH   DS                              ;
;
            MOV    AX, SEG _OSTCBCur               ; Reload DS in case it was altered
            MOV    DS, AX                          ;
;
            LES    BX, DWORD PTR DS:_OSTCBCur      ; OSTCBCur->  OSTCBStkPtr = SS:SP
            MOV    ES:[BX+2], SS                   ;
            MOV    ES:[BX+0], SP                   ;
;
            CALL   FAR PTR _OSTaskSwHook           ; Call user defined task switch hook
;
            MOV    AX, WORD PTR DS:_OSTCBHighRdy+2 ; OSTCBCur = OSTCBHighRdy
            MOV    DX, WORD PTR DS:_OSTCBHighRdy   ;
            MOV    WORD PTR DS:_OSTCBCur+2, AX     ;
            MOV    WORD PTR DS:_OSTCBCur, DX       ;
;
            MOV    AL, BYTE PTR DS:_OSPrioHighRdy  ; OSPrioCur = OSPrioHighRdy
            MOV    BYTE PTR DS:_OSPrioCur, AL      ;
;
            LES    BX, DWORD PTR DS:_OSTCBHighRdy  ; SS:SP = OSTCBHighRdy->  OSTCBStkPtr
            MOV    SS, ES:[BX+2]                   ;
            MOV    SP, ES:[BX]                     ;
;
            POP    DS                              ; Load new task's context
            POP    ES                              ;
            POPA                                   ;
;
            IRET                                   ; Return to new task
;
_OSCtxSw    ENDP

            PAGE                                   ; /*$PAGE*/
;*********************************************************************************************************
;     ......

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