| [41] | 1 | ; Project name : Assembly Library
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| 2 | ; Description : Display Library functions for CALL_DISPLAY_LIBRARY macro
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| 3 | ; that users should use to make library call.
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| 4 |
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| 5 | ; Section containing code
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| 6 | SECTION .text
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| 7 |
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| 8 | ;--------------------------------------------------------------------
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| 9 | ; DisplayFunctionFromDI
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| 10 | ; Parameters:
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| 11 | ; DI: Function to call (DISPLAY_LIB.functionName)
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| 12 | ; Others: Depends on function to call (DX cannot be parameter)
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| 13 | ; Returns:
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| 14 | ; Depends on function to call
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| 15 | ; Corrupts registers:
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| 16 | ; AX (unless used as a return register), DI
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| 17 | ;--------------------------------------------------------------------
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| 18 | ALIGN JUMP_ALIGN
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| 19 | Display_FunctionFromDI:
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| 20 | push es
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| 21 | push ds
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| 22 | push dx
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| 23 |
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| 24 | cld
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| 25 | LOAD_BDA_SEGMENT_TO ds, dx
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| 26 | mov dx, [cs:di+.rgfnDisplayLibraryFunctions]
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| 27 | les di, [VIDEO_BDA.displayContext+DISPLAY_CONTEXT.fpCursorPosition]
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| 28 | call dx
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| 29 | mov [VIDEO_BDA.displayContext+DISPLAY_CONTEXT.fpCursorPosition], di
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| 30 |
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| 31 | pop dx
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| 32 | pop ds
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| 33 | pop es
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| 34 | ret
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| 35 |
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| 36 | ;--------------------------------------------------------------------
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| 37 | ; .FormatNullTerminatedStringFromCSSI
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| 38 | ; Parameters:
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| 39 | ; Same as DisplayPrint_FormattedNullTerminatedStringFromCSSI
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| 40 | ; Returns:
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| 41 | ; Stack variables will be cleaned
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| 42 | ; Corrupts registers:
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| 43 | ; AX
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| 44 | ;--------------------------------------------------------------------
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| 45 | ALIGN JUMP_ALIGN
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| 46 | .FormatNullTerminatedStringFromCSSI:
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| [101] | 47 | pop ax ; Discard return address to inside Display_FunctionFromDI
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| [41] | 48 | call DisplayPrint_FormattedNullTerminatedStringFromCSSI
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| 49 | mov [VIDEO_BDA.displayContext+DISPLAY_CONTEXT.fpCursorPosition], di
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| 50 |
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| 51 | pop dx
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| 52 | pop ds
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| 53 | pop es
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| 54 |
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| 55 | pop ax ; Pop return address
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| 56 | mov sp, bp ; Clean stack variables
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| 57 | jmp ax
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| 58 |
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| 59 |
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| 60 | ALIGN WORD_ALIGN
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| 61 | .rgfnDisplayLibraryFunctions:
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| 62 | istruc DISPLAY_LIB
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| [44] | 63 | at DISPLAY_LIB.InitializeDisplayContext, dw DisplayContext_Initialize
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| [41] | 64 |
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| [44] | 65 | at DISPLAY_LIB.SetCharacterPointerFromBXAX, dw DisplayContext_SetCharacterPointerFromBXAX
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| [45] | 66 | at DISPLAY_LIB.SetCharOutputFunctionFromAXwithAttribFlagInBL, dw DisplayContext_SetCharOutputFunctionFromAXwithAttribFlagInBL
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| [44] | 67 | at DISPLAY_LIB.SetCharacterOutputParameterFromAX, dw DisplayContext_SetCharacterOutputParameterFromAX
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| 68 | at DISPLAY_LIB.SetCharacterAttributeFromAL, dw DisplayContext_SetCharacterAttributeFromAL
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| 69 | at DISPLAY_LIB.SetCursorShapeFromAX, dw DisplayCursor_SetShapeFromAX
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| 70 | at DISPLAY_LIB.SetCursorCoordinatesFromAX, dw DisplayCursor_SetCoordinatesFromAX
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| 71 | at DISPLAY_LIB.SetNewPageFromAL, dw DisplayPage_SetFromAL
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| 72 | at DISPLAY_LIB.SynchronizeDisplayContextToHardware, dw DisplayContext_SynchronizeToHardware
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| [41] | 73 |
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| [44] | 74 | at DISPLAY_LIB.GetCharacterPointerToBXAX, dw DisplayContext_GetCharacterPointerToBXAX
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| 75 | at DISPLAY_LIB.GetSoftwareCoordinatesToAX, dw DisplayCursor_GetSoftwareCoordinatesToAX
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| 76 | at DISPLAY_LIB.GetColumnsToALandRowsToAH, dw DisplayPage_GetColumnsToALandRowsToAH
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| [41] | 77 |
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| [44] | 78 | at DISPLAY_LIB.FormatNullTerminatedStringFromCSSI, dw .FormatNullTerminatedStringFromCSSI
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| 79 | at DISPLAY_LIB.PrintSignedWordFromAXWithBaseInBX, dw DisplayPrint_SignedWordFromAXWithBaseInBX
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| 80 | at DISPLAY_LIB.PrintWordFromAXwithBaseInBX, dw DisplayPrint_WordFromAXWithBaseInBX
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| 81 | at DISPLAY_LIB.PrintCharBufferFromBXSIwithLengthInCX, dw DisplayPrint_CharacterBufferFromBXSIwithLengthInCX
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| 82 | at DISPLAY_LIB.PrintNullTerminatedStringFromBXSI, dw DisplayPrint_NullTerminatedStringFromBXSI
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| 83 | at DISPLAY_LIB.PrintNullTerminatedStringFromCSSI, dw DisplayPrint_NullTerminatedStringFromCSSI
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| 84 | at DISPLAY_LIB.PrintRepeatedCharacterFromALwithCountInCX, dw DisplayPrint_RepeatCharacterFromALwithCountInCX
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| 85 | at DISPLAY_LIB.PrintCharacterFromAL, dw DisplayPrint_CharacterFromAL
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| 86 | at DISPLAY_LIB.PrintNewlineCharacters, dw DisplayPrint_Newline
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| 87 | at DISPLAY_LIB.ClearAreaWithHeightInAHandWidthInAL, dw DisplayPrint_ClearAreaWithHeightInAHandWidthInAL
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| [67] | 88 | at DISPLAY_LIB.ClearScreenWithCharInALandAttrInAH, dw DisplayPrint_ClearScreenWithCharInALandAttributeInAH
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| [41] | 89 | iend
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