start8fx.asm

富士通单片机MB98F108 C语言开发例程。有使用说明

;;====================================================================
;    MB951xx Series C Compiler,
;    (C) FUJITSU MICROELECTRONICS EUROPE
;
;    Startup file for memory and basic controller initialisation 
;=====================================================================
        .PROGRAM    start
        .TITLE      start
;--------------------------------------------------------------------------

;====================================================================
; 1  Contents
;====================================================================
;
; 1 Contents
; 2 Disclaimer
; 3 History
; 4 Settings
;       4.1 Modbyte
;       4.2 Clock Mode Selection
;       4.3 Main-PLL Clock Selection 
;       4.4 Sub-PLL Clock Selection
;       4.5 DIV Clock Selection (Machine clock division ratio)
;       4.6 Stack Size
;       4.7 Flash Security
;       4.8 MCU Series
;       4.9 Monitor Debugger
; 5 Section and Data Declaration
;       5.1 Several fixed addresses
;       5.2 External declaration of symbols
;       5.3 Definition to stack area
;       5.4 Definition to start address of data, const and code section
;       5.5 Monitor Debugger configuration data
;       5.6 Define Reset vector and Modebyte
;       5.7 Flash Security section
; 6 Start-Up Code
;       6.1 Set stack pointer
;       6.2 Set register bank, direct bank pointer and I flag
;       6.3 Set ILM to the lowest level(3)
;       6.4 Set PLL (PLCC)
;       6.5 Set System Clock (SYCC)
;       6.6 Copy initial value *CONST(ROM) section to *INIT(RAM) section
;       6.7 Zero clear of *VAR section
;       6.8 call main routine
;
;====================================================================
; 2  Disclaimer
;====================================================================
;                  FUJITSU MICROELECTRONICS EUROPE GMBH
;                  Pittlerstrasse 47, 63225 Langen, Germany 
;                  Tel.:++49 6103 690-0, Fax -122
;                                                               
;    The following software is for demonstration purposes only. 
;    It is not fully tested, nor validated in order to fulfil 
;    its task under all circumstances. Therefore, this software 
;    or any part of it must only be used in an evaluation       
;    laboratory environment.                                    
;    This software is subject to the rules of our standard      
;    DISCLAIMER, that is delivered with our SW-tools on the 
;    Fujitsu Microcontrollers DVD (V5.0 or higher "\START.HTM") or
;    on our Internet Pages:                                      
;    http://www.fme.gsdc.de/gsdc.htm
;    http://emea.fujitsu.com/microelectronics 
;
;====================================================================
; 3  History
;====================================================================
; 
; Version 1.30      07 Nov 07  M. Vogel
;   - added new series MB95160
;   - added monitor debugger settings
;
; Version 1.20      23 Jun 06  M. Vogel
;   - added new series MB95140/150
;   - corrected setting for flash security
;
; Version 1.10      14 Dec 05  M. Vogel
;   - Added definition of MCU Series in 4.8
;   - Location of Flash Security Byte depending on Series definition
;                              
; Version 1.00      12 Oct 04  H. Wech
;   - Created for Softune Workbench V30L29
;
;====================================================================
; 4  Settings
;====================================================================
; CHECK ALL OPTIONS WHETHER THEY FIT TO THE APPLICATION;
;
; Configure this startup file in the "Settings" section. Search for
; comments with leading "; <<<". This points to the items to be set.
;
#set      OFF       0
#set      ON        1
;
;
;====================================================================
; 4.1  Modbyte
;====================================================================
#  set    SINGLE_CHIP   0      ; single chip mode, no external bus interface
#  set    EXTERNAL_BUS  1      ; external bus interface
;
#  set    MODEBYTE      SINGLE_CHIP    ; <<< set modebyte
;
; The Mode Byte defines whether an external bus interface is available or not.
; it is read after the reset vector. Please have a look at the Hardware manual
; of the used microcontroller for further information on that topic
;                     
;                   
;====================================================================
; 4.2 Clock Mode Selection
;====================================================================
#  set    SUB        0  ; Sub clock mode
#  set    SUB_PLL    1  ; Sub PLL clock mode
#  set    MAIN       2  ; Main clock mode
#  set    MAIN_PLL   3  ; Main PLL mode
#  set    NOCLOCK    FF ; Do not touch the clock and PLL register
;
#set      CLOCKMODE     MAIN_PLL      ; <<< Clock seletion
;   
;                 
;====================================================================
; 4.3 Main-PLL Clock Selection 
;====================================================================
#  set    MAINPLL_OFF 0  ; No Main-clock setting 
#  set    MAINPLLx1   1  ; Original oscillator clock x1 
#  set    MAINPLLx2   2  ; Original oscillator clock x2
#  set    MAINPLLx2p5 3  ; Original oscillator clock x2.5
;
#set      CLOCKSPEED    MAINPLLx2p5     ; <<< set PLL speed
;
;
;====================================================================
; 4.4 Sub-PLL Clock Selection 
;====================================================================
#  set    SUBPLL_OFF 0  ; No Sub-clock setting 
#  set    SUBPLLx2   1  ; Original oscillator clock x2 
#  set    SUBPLLx3   2  ; Original oscillator clock x3
#  set    SUBPLLx4   3  ; Original oscillator clock x4
;
#set      SUBCLOCKSPEED    SUBPLL_OFF     ; <<< set Sub-clock PLL speed
;
;
;====================================================================
; 4.5 DIV Clock Selection (Machine clock division ratio)
;====================================================================
#  set    CLK_0    0  ; Original oscillator div 1
#  set    CLK_4    1  ; Original oscillator div 4
#  set    CLK_8    2  ; Original oscillator div 8
#  set    CLK_16   3  ; Original oscillator div 16
;
#set      CLOCKDIV     CLK_0      ; <<< set DIV clock ratio
;
;
;====================================================================
; 4.6 Stack Size
;====================================================================
;
#  set    STACKSIZE   64          ; <<< Stack size
;
;
;====================================================================
; 4.7 Flash Security
;====================================================================
;
#  set    FLASHSECURITY   OFF     ; <<< Define Flash Security (ON / OFF)
;
;
;====================================================================
; 4.8 MCU Series Selection
;====================================================================
#set   MB95100     0  ; Bassoon Series, 64pin
#set   MB95110     1  ; Clarinet Series, 48/52pin
#set   MB95120     2  ; Tuba Series, 100pin with LCDC
#set   MB95130     3  ; Flute Series, 28/30pin
#set   MB95140     4  ; Oboe Series, 32pin
#set   MB95150     5  ; Trumpet, 48/52pin with LCDC
#set   MB95160     6  ; Trombone, 64pin with LCDC
;
#set   MCU_SERIES     MB95100      ; <<< set MCU Series
;
;
;====================================================================
; 4.9 Monitor Debugger
;====================================================================
;
#set   USER_PASSWORD    0xFFFFFFFF  ; <<< Define User Password for  
;                                         monitor debugger entry (32bit)
;
;                                   
; <<< END OF SETTINGS >>>
;
;
;====================================================================
; 5  Section and Data Declaration
;====================================================================

;====================================================================
; 5.1  Several fixed addresses 
;====================================================================
PLLC      .EQU      0x06           ; PLL register
SYCC      .EQU      0x07           ; Clock select control register  
;
;   
;====================================================================
; 5.2  External declaration of symbols
;====================================================================
        .EXPORT     __start
        .IMPORT     _main
        .IMPORT     _SetClockMainToPll
        .IMPORT     LMEMTOMEM
        .IMPORT     LMEMCLEAR
        .IMPORT     _RAM_INIT
        .IMPORT     _ROM_INIT
        .IMPORT     _RAM_DIRINIT
        .IMPORT     _ROM_DIRINIT
        
#ifdef MONITORDEBUGGER_CONFIGURATION
        .IMPORT     _AutoBootCheck
        .EXPORT     _FGMTBL_STARTADR
        .EXPORT     _FGMTBL_STACKTOP
        .EXPORT     _FGMTBL_ABOOTADR
        .EXPORT     _FGMTBL_PASSWORD
#endif
          
;--------------------------------------------------------------------------
; 5.3 Definition to stack area
;--------------------------------------------------------------------------
            .SECTION    STACK,    STACK,    ALIGN=1