[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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[177] | 26 | mov dx, di |
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[41] | 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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[177] | 37 | ; Display_FormatNullTerminatedStringFromCSSI |
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[41] | 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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[177] | 46 | Display_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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[181] | 60 | %define InitializeDisplayContext DisplayContext_Initialize |
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| 61 | |
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[133] | 62 | %ifndef EXCLUDE_FROM_XTIDE_UNIVERSAL_BIOS |
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[181] | 63 | %define SetCharacterPointerFromBXAX DisplayContext_SetCharacterPointerFromBXAX |
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[133] | 64 | %endif |
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[181] | 65 | %define SetCharOutputFunctionFromAXwithAttribFlagInBL DisplayContext_SetCharOutputFunctionFromAXwithAttribFlagInBL |
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| 66 | %define SetCharacterOutputParameterFromAX DisplayContext_SetCharacterOutputParameterFromAX |
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| 67 | %define SetCharacterAttributeFromAL DisplayContext_SetCharacterAttributeFromAL |
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| 68 | %define SetCursorShapeFromAX DisplayCursor_SetShapeFromAX |
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| 69 | %define SetCursorCoordinatesFromAX DisplayCursor_SetCoordinatesFromAX |
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| 70 | %define SetNewPageFromAL DisplayPage_SetFromAL |
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| 71 | %define SynchronizeDisplayContextToHardware DisplayContext_SynchronizeToHardware |
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[41] | 72 | |
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[133] | 73 | %ifndef EXCLUDE_FROM_XTIDE_UNIVERSAL_BIOS |
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[181] | 74 | %define GetCharacterPointerToBXAX DisplayContext_GetCharacterPointerToBXAX |
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[133] | 75 | %endif |
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[181] | 76 | %define GetSoftwareCoordinatesToAX DisplayCursor_GetSoftwareCoordinatesToAX |
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| 77 | %define GetColumnsToALandRowsToAH DisplayPage_GetColumnsToALandRowsToAH |
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[41] | 78 | |
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[181] | 79 | %define FormatNullTerminatedStringFromCSSI Display_FormatNullTerminatedStringFromCSSI |
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[134] | 80 | %ifndef EXCLUDE_FROM_XTIDE_UNIVERSAL_BIOS |
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[181] | 81 | %define PrintSignedWordFromAXWithBaseInBX DisplayPrint_SignedWordFromAXWithBaseInBX |
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[134] | 82 | %endif |
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[181] | 83 | %define PrintWordFromAXwithBaseInBX DisplayPrint_WordFromAXWithBaseInBX |
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| 84 | %define PrintCharBufferFromBXSIwithLengthInCX DisplayPrint_CharacterBufferFromBXSIwithLengthInCX |
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| 85 | %define PrintNullTerminatedStringFromBXSI DisplayPrint_NullTerminatedStringFromBXSI |
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| 86 | %define PrintNullTerminatedStringFromCSSI DisplayPrint_NullTerminatedStringFromCSSI |
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| 87 | %define PrintRepeatedCharacterFromALwithCountInCX DisplayPrint_RepeatCharacterFromALwithCountInCX |
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| 88 | %define PrintCharacterFromAL DisplayPrint_CharacterFromAL |
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| 89 | %define PrintNewlineCharacters DisplayPrint_Newline |
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[134] | 90 | %ifndef EXCLUDE_FROM_XTIDE_UNIVERSAL_BIOS |
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[181] | 91 | %define ClearAreaWithHeightInAHandWidthInAL DisplayPrint_ClearAreaWithHeightInAHandWidthInAL |
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[134] | 92 | %endif |
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[181] | 93 | %define ClearScreenWithCharInALandAttrInAH DisplayPrint_ClearScreenWithCharInALandAttributeInAH |
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[177] | 94 | |
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