; Skeleton graphics driver -- use as a foundation for custom drivers ; Loadable driver for The Graphics Engine ; Copyright (c) 1993 by Matthew Hildebrand ; Turbo Assembler syntax IDEAL MODEL LARGE TGESHELL_TEXT P386N SCREEN_WIDE = 320 SCREEN_DEEP = 200 NUM_COLOURS = 256 CODESEG TGESHELL_TEXT ORG 0 ;*** Signature db 'TGE3' ;*** Non-I/O functions _initGraphics dw initGraphics ; initGraphics dw ? _deInitGraphics dw 0 ; deInitGraphics dw ? _setPaletteReg dw 0 ; setPaletteReg dw ? _getPaletteReg dw 0 ; getPaletteReg dw ? _setBlockPalette dw 0 ; setBlockPalette dw ? _getBlockPalette dw 0 ; getBlockPalette dw ? _colourCloseTo dw 0 ; colourCloseTo dw ? _colourCloseToX dw 0 ; colourCloseToX dw ? _imageSize dw 0 ; imageSize dw ? _imageSizeDim dw 0 ; imageSizeDim dw ? _setPage dw 0 ; setPage (not implemented yet) dw ? ;*** Currently active I/O functions (filled in by loadGraphDriver()) dd 20 DUP(?) ;*** Input functions _getImage_scr dw 0 ; getImage dw ? _getImage_mem dw 0 dw ? _getLine_scr dw 0 ; getLine dw ? _getLine_mem dw 0 dw ? _getPixel_scr dw 0 ; getPixel dw ? _getPixel_mem dw 0 dw ? ;*** Output functions _putImage_scr_copy dw 0 ; putImage dw ? _putImage_scr_and dw 0 dw ? _putImage_scr_not dw 0 dw ? _putImage_scr_or dw 0 dw ? _putImage_scr_xor dw 0 dw ? _putImage_mem_copy dw 0 dw ? _putImage_mem_and dw 0 dw ? _putImage_mem_not dw 0 dw ? _putImage_mem_or dw 0 dw ? _putImage_mem_xor dw 0 dw ? _putImageInv_scr_copy dw 0 ; putImageInv dw ? _putImageInv_scr_and dw 0 dw ? _putImageInv_scr_not dw 0 dw ? _putImageInv_scr_or dw 0 dw ? _putImageInv_scr_xor dw 0 dw ? _putImageInv_mem_copy dw 0 dw ? _putImageInv_mem_and dw 0 dw ? _putImageInv_mem_not dw 0 dw ? _putImageInv_mem_or dw 0 dw ? _putImageInv_mem_xor dw 0 dw ? _putLine_scr_copy dw 0 ; putLine dw ? _putLine_scr_and dw 0 dw ? _putLine_scr_not dw 0 dw ? _putLine_scr_or dw 0 dw ? _putLine_scr_xor dw 0 dw ? _putLine_mem_copy dw 0 dw ? _putLine_mem_and dw 0 dw ? _putLine_mem_not dw 0 dw ? _putLine_mem_or dw 0 dw ? _putLine_mem_xor dw 0 dw ? _putLineInv_scr_copy dw 0 ; putLineInv dw ? _putLineInv_scr_and dw 0 dw ? _putLineInv_scr_not dw 0 dw ? _putLineInv_scr_or dw 0 dw ? _putLineInv_scr_xor dw 0 dw ? _putLineInv_mem_copy dw 0 dw ? _putLineInv_mem_and dw 0 dw ? _putLineInv_mem_not dw 0 dw ? _putLineInv_mem_or dw 0 dw ? _putLineInv_mem_xor dw 0 dw ? _putPixel_scr_copy dw 0 ; putPixel dw ? _putPixel_scr_and dw 0 dw ? _putPixel_scr_not dw 0 dw ? _putPixel_scr_or dw 0 dw ? _putPixel_scr_xor dw 0 dw ? _putPixel_mem_copy dw 0 dw ? _putPixel_mem_and dw 0 dw ? _putPixel_mem_not dw 0 dw ? _putPixel_mem_or dw 0 dw ? _putPixel_mem_xor dw 0 dw ? _line_scr_copy dw 0 ; line dw ? _line_scr_and dw 0 dw ? _line_scr_not dw 0 dw ? _line_scr_or dw 0 dw ? _line_scr_xor dw 0 dw ? _line_mem_copy dw 0 dw ? _line_mem_and dw 0 dw ? _line_mem_not dw 0 dw ? _line_mem_or dw 0 dw ? _line_mem_xor dw 0 dw ? _horizLine_scr_copy dw 0 ; horizLine dw ? _horizLine_scr_and dw 0 dw ? _horizLine_scr_not dw 0 dw ? _horizLine_scr_or dw 0 dw ? _horizLine_scr_xor dw 0 dw ? _horizLine_mem_copy dw 0 dw ? _horizLine_mem_and dw 0 dw ? _horizLine_mem_not dw 0 dw ? _horizLine_mem_or dw 0 dw ? _horizLine_mem_xor dw 0 dw ? _vertLine_scr_copy dw 0 ; vertLine dw ? _vertLine_scr_and dw 0 dw ? _vertLine_scr_not dw 0 dw ? _vertLine_scr_or dw 0 dw ? _vertLine_scr_xor dw 0 dw ? _vertLine_mem_copy dw 0 dw ? _vertLine_mem_and dw 0 dw ? _vertLine_mem_not dw 0 dw ? _vertLine_mem_or dw 0 dw ? _vertLine_mem_xor dw 0 dw ? _drawRect_scr_copy dw 0 ; drawRect dw ? _drawRect_scr_and dw 0 dw ? _drawRect_scr_not dw 0 dw ? _drawRect_scr_or dw 0 dw ? _drawRect_scr_xor dw 0 dw ? _drawRect_mem_copy dw 0 dw ? _drawRect_mem_and dw 0 dw ? _drawRect_mem_not dw 0 dw ? _drawRect_mem_or dw 0 dw ? _drawRect_mem_xor dw 0 dw ? _filledRect_scr_copy dw 0 ; filledRect dw ? _filledRect_scr_and dw 0 dw ? _filledRect_scr_not dw 0 dw ? _filledRect_scr_or dw 0 dw ? _filledRect_scr_xor dw 0 dw ? _filledRect_mem_copy dw 0 dw ? _filledRect_mem_and dw 0 dw ? _filledRect_mem_not dw 0 dw ? _filledRect_mem_or dw 0 dw ? _filledRect_mem_xor dw 0 dw ? _clearGraphics_scr_copy dw 0 ; clearGraphics dw ? _clearGraphics_scr_and dw 0 dw ? _clearGraphics_scr_not dw 0 dw ? _clearGraphics_scr_or dw 0 dw ? _clearGraphics_scr_xor dw 0 dw ? _clearGraphics_mem_copy dw 0 dw ? _clearGraphics_mem_and dw 0 dw ? _clearGraphics_mem_not dw 0 dw ? _clearGraphics_mem_or dw 0 dw ? _clearGraphics_mem_xor dw 0 dw ? _ellipse_scr_copy dw 0 ; ellipse dw ? _ellipse_scr_and dw 0 dw ? _ellipse_scr_not dw 0 dw ? _ellipse_scr_or dw 0 dw ? _ellipse_scr_xor dw 0 dw ? _ellipse_mem_copy dw 0 dw ? _ellipse_mem_and dw 0 dw ? _ellipse_mem_not dw 0 dw ? _ellipse_mem_or dw 0 dw ? _ellipse_mem_xor dw 0 dw ? _filledEllipse_scr_copy dw 0 ; filledEllipse dw ? _filledEllipse_scr_and dw 0 dw ? _filledEllipse_scr_not dw 0 dw ? _filledEllipse_scr_or dw 0 dw ? _filledEllipse_scr_xor dw 0 dw ? _filledEllipse_mem_copy dw 0 dw ? _filledEllipse_mem_and dw 0 dw ? _filledEllipse_mem_not dw 0 dw ? _filledEllipse_mem_or dw 0 dw ? _filledEllipse_mem_xor dw 0 dw ? _circle_scr_copy dw 0 ; circle dw ? _circle_scr_and dw 0 dw ? _circle_scr_not dw 0 dw ? _circle_scr_or dw 0 dw ? _circle_scr_xor dw 0 dw ? _circle_mem_copy dw 0 dw ? _circle_mem_and dw 0 dw ? _circle_mem_not dw 0 dw ? _circle_mem_or dw 0 dw ? _circle_mem_xor dw 0 dw ? _filledCircle_scr_copy dw 0 ; filledCircle dw ? _filledCircle_scr_and dw 0 dw ? _filledCircle_scr_not dw 0 dw ? _filledCircle_scr_or dw 0 dw ? _filledCircle_scr_xor dw 0 dw ? _filledCircle_mem_copy dw 0 dw ? _filledCircle_mem_and dw 0 dw ? _filledCircle_mem_not dw 0 dw ? _filledCircle_mem_or dw 0 dw ? _filledCircle_mem_xor dw 0 dw ? _fillRegion_scr_copy dw 0 ; fillRegion dw ? _fillRegion_scr_and dw 0 dw ? _fillRegion_scr_not dw 0 dw ? _fillRegion_scr_or dw 0 dw ? _fillRegion_scr_xor dw 0 dw ? _fillRegion_mem_copy dw 0 dw ? _fillRegion_mem_and dw 0 dw ? _fillRegion_mem_not dw 0 dw ? _fillRegion_mem_or dw 0 dw ? _fillRegion_mem_xor dw 0 dw ? _fillLine_scr_copy dw 0 ; fillLine dw ? _fillLine_scr_and dw 0 dw ? _fillLine_scr_not dw 0 dw ? _fillLine_scr_or dw 0 dw ? _fillLine_scr_xor dw 0 dw ? _fillLine_mem_copy dw 0 dw ? _fillLine_mem_and dw 0 dw ? _fillLine_mem_not dw 0 dw ? _fillLine_mem_or dw 0 dw ? _fillLine_mem_xor dw 0 dw ? ;*** Mode information scrnMaxX dw 319 ; physical dimensions scrnMaxY dw 199 maxColour dw 255 ; maximum colour number xRatio dw 8 ; aspect ratio 8:5 (320:200 in yRatio dw 5 ; lowest terms) bitsPerPixel dw 8 ; 8 bits per pixel inMaxX dw 319 ; current input screen dimensions inMaxY dw 199 outMaxX dw 319 ; current output screen dimensions outMaxY dw 199 inScreenWide dw ? ; needed only for virtual screens outScreenWide dw ? ;*** Viewport information inViewportULX dw 0 inViewportULY dw 0 inViewportLRX dw 319 inViewportLRY dw 199 outViewportULX dw 0 outViewportULY dw 0 outViewportLRX dw 319 outViewportLRY dw 199 ;*** Paging information pagingSupported dw ? ; not implemented yet curPage dw ? ; not implemented yet maxPage dw ? ; not implemented yet ;*** Force (image width MOD imageWideAdjust) = 0. imageWideAdjust dw ? ; not implemented yet ;*** Current and screen addresses LABEL inAddr DWORD ; current input address inOff dw 0 inSeg dw 0A000h LABEL outAddr DWORD ; current output address outOff dw 0 outSeg dw 0A000h LABEL scrAddr DWORD ; screen address scrOff dw 0 scrSeg dw 0A000h ;*** Copyright string db 'The Graphics Engine -- Copyright (c) 1993 by Matthew Hildebrand' ;***** ;***** initGraphics ;***** PUBLIC C initGraphics PROC C initGraphics mov ax,0013h ; turn on 320x200x256 mode int 10h mov ax,1 ; success code in AX for return retf ; return ENDP ENDS END