home *** CD-ROM | disk | FTP | other *** search
/ Developer CD Series 1999 May: Tool Chest / Developer CD Series Tool Chest (Apple Computer)(May 1999).iso / Tool Chest / Devices / NuBus⁄Slot Manager / Declaration ROMs / Example Vid ROM from C&D / C & D Ex VideoROM.a < prev    next >
Encoding:
Text File  |  1992-08-14  |  9.4 KB  |  265 lines  |  [TEXT/MPS ]
  1.  
  2. ;-------------------------------------------------------------------
  3. ;
  4. ;  General structure:
  5. ;
  6. ;                        [Format/Header]
  7. ;                                |
  8. ;                                |
  9. ;                      [sResource Directory]
  10. ;                            /        \
  11. ;                           /         \
  12. ;                          /              \
  13. ;                         /               \
  14. ;            [Board sResource]        [Video sResource]
  15. ;                - Primary Init.            - Driver Directory.
  16. ;                - Vendor Info.            - Parameters for 1, 2 & 4-bit modes.
  17. ;
  18. ;
  19. ;-------------------------------------------------------------------
  20.  
  21.             MACHINE        MC68020
  22.  
  23. ;=====================================================================
  24. ;    Initial Assembler Directives
  25. ;=====================================================================
  26.                 STRING     C
  27.  
  28.                 PRINT    OFF
  29.                 INCLUDE    'SysErr.a'                        ;Macintosh System equates
  30.                 INCLUDE    'SysEqu.a'                        ;Macintosh System equates
  31.                 INCLUDE    'ROMEqu.a'                        ;Declaration ROM equates
  32.                 INCLUDE    'SlotEqu.a'                        ;Slot Manager equates and macros
  33.                 INCLUDE    'TimeEqu.a'                        ;Macintosh traps
  34.                 INCLUDE    'Traps.a'                        ;Macintosh traps
  35.                 INCLUDE    'VideoEqu.a'                    ;Video driver equates
  36.                 INCLUDE    'DepVideoEqu.a'                    ;Video driver equates
  37.                 PRINT    ON
  38.  
  39. ; 
  40. ;=====================================================================
  41. ;    BEGIN Declaration ROM
  42. ;=====================================================================
  43. VideoDeclROM    MAIN
  44.  
  45.  
  46.         WITH    VDPageInfo, SlotIntQElement
  47.  
  48.                 
  49.  
  50. ;*************************************************************
  51. ;Constants
  52. ;*************************************************************
  53.   
  54. ROMSize            EQU        $1000                    ;4K byte ROM
  55. TheBoardId        EQU        $0005                    ;the Board Id (from DTS)
  56.  
  57. ;-----------  sResource Directory                ;<Id OF>
  58. sRsrc_Board        EQU        1                        ;Board sResource {May be any number in [0..127]}
  59. sRsrc_Video        EQU        128                        ;Video sResource {May be any number in [128..254]}
  60.  
  61.  
  62.  
  63. ;=====================================================================
  64. ;        Directory 
  65. ;=====================================================================
  66. _sRsrcDir        OSLstEntry    sRsrc_Board,_sRsrc_Board        ;References the board sResource.
  67.                 OSLstEntry    sRsrc_Video,_sRsrc_Video        ;References the video sResource.
  68.                 DatLstEntry    endOfList,0                        ;End of the list.
  69.  
  70.  
  71. ;=============================================================
  72. ;            sRsrc_Board List
  73. ;=============================================================
  74. _sRsrc_Board    OSLstEntry    sRsrcType,_BoardType            ;References the sResource type.
  75.                 OSLstEntry    sRsrcName,_BoardName            ;References the sResource name.
  76.                 DatLstEntry    boardId,TheBoardId                ;The board Id.
  77.                 OSLstEntry    primaryInit,_sPInitRec            ;References the Primary init record.
  78.                 OSLstEntry    vendorInfo,_VendorInfo            ;References the Vendor information list.
  79.                 DatLstEntry    endOfList,0                        ;End of the list.
  80.  
  81. _BoardType        DC.W    CatBoard                            ;The Board sResource :    <Category>
  82.                 DC.W    TypBoard                            ;                        <Type>
  83.                 DC.W    0                                    ;                        <DrvrSw>
  84.                 DC.W    0                                    ;                        <DrvrHw>
  85. _BoardName        DC.L    'Macintosh II video card'            ;The name of the Board - should be
  86.                                                             ;the official product name
  87.                 
  88.                 
  89. ;-------------------------------------------------------------
  90. ;            Primary Init Record
  91. ;-------------------------------------------------------------
  92. _sPInitRec        DC.L    _EndsPInitRec-_sPInitRec            ;The physical Block Size
  93. ;;;                INCLUDE    'PrimaryInit.a'                        ;The Header/Code (See PrimaryInit.a)
  94. _EndsPInitRec    EQU        *                                    ;End of block
  95.                 STRING     C                                    ;Restore to 'c' string type.
  96.                 
  97.                 
  98. ;-------------------------------------------------------------
  99. ;            Vendor Info record
  100. ;-------------------------------------------------------------
  101. _VendorInfo        OSLstEntry    VendorId,_VendorId                ;References the Vendor Id.
  102.                 OSLstEntry    RevLevel,_RevLevel                ;References the Revision Level.
  103.                 OSLstEntry    PartNum,_PartNum                ;References the Part Number.
  104.                 DatLstEntry    endOfList,0                        ;End of the list.
  105.  
  106. _VendorId        DC.L    'Apple Computer'                    ;The Vendor Id
  107. _RevLevel        DC.L    'Beta-7.0'                            ;The Revision Level
  108. _PartNum        DC.L    'TFB-1'                                ;The Part Number
  109.  
  110.  
  111. ; 
  112. ;=============================================================
  113. ;            sRsrc_Video
  114. ;=============================================================
  115. _sRsrc_Video    OSLstEntry    sRsrcType,_VideoType            ;References the sResource Type.
  116.                 OSLstEntry    sRsrcName,_VideoName            ;References the sResource Name.
  117.                 OSLstEntry    sRsrcDrvrDir,_VidDrvrDir        ;References the driver directory.
  118.                 DatLstEntry    sRsrcHWDevId,1                    ;The hardware device Id.
  119.  
  120.                 OSLstEntry    MinorBaseOS,_MinorBase            ;References the Minor Base Offset.
  121.                 OSLstEntry    MinorLength,_MinorLength        ;References the Minor Base Length.
  122.  
  123. ;Parameters
  124.                 OSLstEntry    OneBitMode,_OneBitMode            ;References the one-bit mode parameters.
  125.                 OSLstEntry    TwoBitMode,_TwoBitMode            ;References the two-bit mode parameters.
  126.                 OSLstEntry    FourBitMode,_FourBitMode        ;References the three-bit mode parameters.
  127.  
  128.                 DatLstEntry    endOfList,0                        ;End of the list.
  129.  
  130.  
  131. _VideoType        DC.W    CatDisplay                            ;Video sResource :    <Category>
  132.                 DC.W    TypVideo                            ;                    <Type>
  133.                 DC.W    DrSwApple                            ;                    <DrvrSw>
  134.                 DC.W    DrHwTFB                                ;                    <DrvrHw>
  135.  
  136. _VideoName        DC.L    'Display_Video_Apple_TFB'            ;Convention: _VideoName is derived by
  137.                                                             ;using _VideoType above, but stripping
  138.                                                             ;off the Cat,Typ, and DrSw/Hw prefixes, then
  139.                                                             ;separating by underscores
  140.  
  141. _MinorBase        DC.L    defMinorBase                        ;Video RAM Offset is 0
  142. _MinorLength    DC.L    defMinorLength                        ;Video RAM length is $40000
  143.  
  144.  
  145.  
  146. ;-------------------------------------------------------------
  147. ;                Driver directory
  148. ;-------------------------------------------------------------
  149. _VidDrvrDir        OSLstEntry    sMacOS68020,_sMacOS68020        ;References the Macintosh-OS 68020 driver.
  150.                 DatLstEntry    endOfList,0                        ;End of the list.
  151.  
  152.  
  153. ;Driver-1 (68020).
  154. _sMacOS68020    DC.L    _End020Drvr-_sMacOS68020            ;The physical Block Size
  155.                 INCLUDE    'C & D Ex Drvr.a'                    ;The Header/Code (See TFBDrvr.a)
  156. _End020Drvr        EQU        *                                    ;The end of the driver.
  157.                 STRING     C
  158.  
  159.  
  160. ; 
  161. ;-------------------------------------------------------------
  162. ;                One-Bit per pixel parameter list.
  163. ;-------------------------------------------------------------
  164. _OneBitMode        OSLstEntry    mVidParams,_OneVidParams        ;References the one-bit mode parameter record.
  165.                 DatLstEntry    mPageCnt,4                        ;The page count.
  166.                 DatLstEntry mDevType,defmDevType            ;The device type.
  167.                 DatLstEntry    endOfList,0                        ;End of the list.
  168.  
  169.  
  170. _OneVidParams    DC.L    _EndOneVParams-_OneVidParams        ;The physical Block Size.
  171.  
  172.                 DC.L    defmBaseOffset    
  173.                 DC.W    1024/8                                ;Bounds.R*PixelSize/8
  174.                 DC.W    defmBounds_T,defmBounds_L,defmBounds_B,defmBounds_R
  175.                 DC.W    defVersion                            ;bmVersion
  176.                 DC.W    0                                    ;packType not used
  177.                 DC.L    0                                    ;packSize not used
  178.                 DC.L    defmHRes                            ;bmHRes
  179.                 DC.L    defmVRes                            ;bmVRes
  180.                 DC.W    defPixelType                        ;bmPixelType
  181.                 DC.W    1                                    ;bmPixelSize
  182.                 DC.W    defCmpCount                            ;bmCmpCount
  183.                 DC.W    1                                    ;bmCmpSize
  184.                 DC.L    defmPlaneBytes                        ;bmPlaneBytes
  185.                 
  186. _EndOneVParams    EQU        *                                    ;End of block.
  187.  
  188.  
  189. ;-------------------------------------------------------------
  190. ;                TWO-Bit per pixel parameter list.
  191. ;-------------------------------------------------------------
  192. _TwoBitMode        OSLstEntry    mVidParams,_TwoVidParams        ;References the two-bit mode parameter record.
  193.                 DatLstEntry    mPageCnt,2                        ;The page count.
  194.                 DatLstEntry mDevType,defmDevType            ;The device count.
  195.                 DatLstEntry    endOfList,0                        ;End of the list.
  196.  
  197. _TwoVidParams    DC.L    _EndTwoVParams-_TwoVidParams        ;Physical Block Size.
  198.  
  199.                 DC.L    defmBaseOffset    
  200.                 DC.W    1024*2/8                            ;Bounds.R*PixelSize/8
  201.                 DC.W    defmBounds_T,defmBounds_L,defmBounds_B,defmBounds_R
  202.                 DC.W    defVersion                            ;bmVersion
  203.                 DC.W    0                                    ;packType not used
  204.                 DC.L    0                                    ;packSize not used
  205.                 DC.L    defmHRes                            ;bmHRes
  206.                 DC.L    defmVRes                            ;bmVRes
  207.                 DC.W    defPixelType                        ;bmPixelType
  208.                 DC.W    2                                    ;bmPixelSize
  209.                 DC.W    defCmpCount                            ;bmCmpCount
  210.                 DC.W    2                                    ;bmCmpSize
  211.                 DC.L    defmPlaneBytes                        ;bmPlaneBytes
  212.                 
  213. _EndTwoVParams    EQU        *                                    ;End of block.
  214.  
  215.  
  216. ; 
  217. ;-------------------------------------------------------------
  218. ;                Four-Bit per pixel parameter list.
  219. ;-------------------------------------------------------------
  220. _FourBitMode    OSLstEntry    mVidParams,_FourVidParams        ;References the four-bit mode parameter record.
  221.                 DatLstEntry    mPageCnt,1                        ;The page count.
  222.                 DatLstEntry mDevType,defmDevType            ;The device type.
  223.                 DatLstEntry    endOfList,0                        ;End of the list.
  224.  
  225. _FourVidParams    DC.L    _EndFourVParams-_FourVidParams        ;Physical Block Size.
  226.  
  227.                 DC.L    defmBaseOffset    
  228.                 DC.W    1024*4/8                            ;Bounds.R*PixelSize/8
  229.                 DC.W    defmBounds_T,defmBounds_L,defmBounds_B,defmBounds_R
  230.                 DC.W    defVersion                            ;bmVersion
  231.                 DC.W    0                                    ;packType not used
  232.                 DC.L    0                                    ;packSize not used
  233.                 DC.L    defmHRes                            ;bmHRes
  234.                 DC.L    defmVRes                            ;bmVRes
  235.                 DC.W    defPixelType                        ;bmPixelType
  236.                 DC.W    4                                    ;bmPixelSize
  237.                 DC.W    defCmpCount                            ;bmCmpCount
  238.                 DC.W    4                                    ;bmCmpSize
  239.                 DC.L    defmPlaneBytes                        ;bmPlaneBytes
  240.                 
  241. _EndFourVParams    EQU        *                                    ;End of block.
  242.  
  243.  
  244.  
  245.  
  246.                 ORG     ROMSize-FHeaderRec.fhBlockSize
  247. ;+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
  248. ;            Format/Header Block
  249. ;+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
  250.                 DC.L    (_sRsrcDir-*)**$00FFFFFF            ;Offset to sResource directory
  251.                 DC.L    ROMSize                                ;Length of declaration data
  252.                 DC.L    0                                    ;CRC {Patched by crcPatch (MPW tool)}
  253.                 DC.B    romRevision                            ;Revision level
  254.                 DC.B    AppleFormat                            ;Format
  255.                 DC.L    TestPattern                            ;Test pattern
  256.                 DC.B    0                                    ;Reserved byte (must be zero)
  257.                 DC.B    $E1                                    ;ByteLanes: 1110 0001 (bytelane 0)
  258.  
  259.  
  260.                 ENDP
  261.  
  262.             
  263.                 END
  264.  
  265.