| [41] | 1 | ; File name : MenuAttributes.asm
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| 2 | ; Project name : Assembly Library
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| 3 | ; Created date : 15.7.2010
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| 4 | ; Last update : 9.8.2010
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| 5 | ; Author : Tomi Tilli
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| 6 | ; Description : Finds suitable character attribute for
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| 7 | ; color, B/W and monochrome displays.
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| 8 |
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| 9 | ; Struct containing border characters for different types of menu window lines
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| 10 | struc ATTRIBUTE_CHARS
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| 11 | .cBordersAndBackground resb 1
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| 12 | .cShadow resb 1
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| 13 | .cTitle:
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| 14 | .cInformation resb 1
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| 15 | .cItem resb 1
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| 16 | .cHighlightedItem resb 1
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| 17 | .cHurryTimeout resb 1
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| 18 | .cNormalTimeout resb 1
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| 19 | endstruc
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| 20 |
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| 21 |
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| 22 | ; Section containing code
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| 23 | SECTION .text
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| 24 |
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| 25 | ;--------------------------------------------------------------------
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| [52] | 26 | ; MenuAttribute_SetToDisplayContextFromTypeInSI
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| [41] | 27 | ; Parameters
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| 28 | ; SI: Attribute type (from ATTRIBUTE_CHARS)
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| 29 | ; Returns:
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| 30 | ; Nothing
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| 31 | ; Corrupts registers:
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| 32 | ; AX, SI, DI
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| 33 | ;--------------------------------------------------------------------
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| 34 | ALIGN JUMP_ALIGN
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| 35 | MenuAttribute_SetToDisplayContextFromTypeInSI:
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| 36 | call MenuAttribute_GetToAXfromTypeInSI
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| 37 | CALL_DISPLAY_LIBRARY SetCharacterAttributeFromAL
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| 38 | ret
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| 39 |
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| 40 |
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| 41 | ;--------------------------------------------------------------------
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| 42 | ; MenuAttribute_GetToAXfromTypeInSI
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| 43 | ; Parameters
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| 44 | ; SI: Attribute type (from ATTRIBUTE_CHARS)
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| 45 | ; Returns:
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| 46 | ; AX: Wanted attribute
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| 47 | ; Corrupts registers:
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| 48 | ; SI
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| 49 | ;--------------------------------------------------------------------
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| 50 | ALIGN JUMP_ALIGN
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| 51 | MenuAttribute_GetToAXfromTypeInSI:
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| 52 | push ds
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| 53 |
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| 54 | LOAD_BDA_SEGMENT_TO ds, ax
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| 55 | mov al, [VIDEO_BDA.bMode] ; Load BIOS display mode (0, 1, 2, 3 or 7)
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| 56 | cmp al, 7
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| 57 | je SHORT .LoadMonoAttribute
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| 58 | test al, 1 ; Even modes (0 and 2) are B/W
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| 59 | jnz SHORT .LoadColorAttribute
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| 60 |
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| 61 | .LoadBlackAndWhiteAttribute:
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| 62 | add si, .rgcBlackAndWhiteAttributes
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| 63 | jmp SHORT .LoadAttributeAndReturn
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| 64 |
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| 65 | ALIGN JUMP_ALIGN
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| 66 | .LoadMonoAttribute:
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| 67 | add si, .rgcMonochromeAttributes
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| 68 | jmp SHORT .LoadAttributeAndReturn
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| 69 |
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| 70 | ALIGN JUMP_ALIGN
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| 71 | .LoadColorAttribute:
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| 72 | add si, .rgcColorAttributes
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| 73 | .LoadAttributeAndReturn:
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| 74 | eSEG cs
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| 75 | lodsb ; Load from [CS:SI] to AL
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| 76 |
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| 77 | pop ds
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| 78 | ret
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| 79 |
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| 80 |
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| 81 |
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| 82 | .rgcColorAttributes:
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| 83 | istruc ATTRIBUTE_CHARS
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| 84 | at ATTRIBUTE_CHARS.cBordersAndBackground, db COLOR_ATTRIBUTE(COLOR_YELLOW, COLOR_BLUE)
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| 85 | at ATTRIBUTE_CHARS.cShadow, db COLOR_ATTRIBUTE(COLOR_GRAY, COLOR_BLACK)
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| 86 | at ATTRIBUTE_CHARS.cTitle, db COLOR_ATTRIBUTE(COLOR_BRIGHT_WHITE, COLOR_BLUE)
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| 87 | at ATTRIBUTE_CHARS.cItem, db COLOR_ATTRIBUTE(COLOR_WHITE, COLOR_BLUE)
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| 88 | at ATTRIBUTE_CHARS.cHighlightedItem, db COLOR_ATTRIBUTE(COLOR_BRIGHT_WHITE, COLOR_CYAN)
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| 89 | at ATTRIBUTE_CHARS.cHurryTimeout, db COLOR_ATTRIBUTE(COLOR_RED, COLOR_BLUE) | FLG_COLOR_BLINK
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| 90 | at ATTRIBUTE_CHARS.cNormalTimeout, db COLOR_ATTRIBUTE(COLOR_GREEN, COLOR_BLUE)
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| 91 | iend
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| 92 |
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| 93 | .rgcBlackAndWhiteAttributes: ; Only COLOR_WHITE, COLOR_BRIGHT_WHITE and COLOR_BLACK should be used
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| 94 | istruc ATTRIBUTE_CHARS
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| 95 | at ATTRIBUTE_CHARS.cBordersAndBackground, db COLOR_ATTRIBUTE(COLOR_BRIGHT_WHITE, COLOR_BLACK)
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| [46] | 96 | at ATTRIBUTE_CHARS.cShadow, db COLOR_ATTRIBUTE(COLOR_GRAY, COLOR_BLACK)
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| [41] | 97 | at ATTRIBUTE_CHARS.cTitle, db COLOR_ATTRIBUTE(COLOR_BRIGHT_WHITE, COLOR_BLACK)
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| 98 | at ATTRIBUTE_CHARS.cItem, db COLOR_ATTRIBUTE(COLOR_WHITE, COLOR_BLACK)
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| [47] | 99 | at ATTRIBUTE_CHARS.cHighlightedItem, db COLOR_ATTRIBUTE(COLOR_BRIGHT_WHITE, COLOR_WHITE)
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| [41] | 100 | at ATTRIBUTE_CHARS.cHurryTimeout, db COLOR_ATTRIBUTE(COLOR_BRIGHT_WHITE, COLOR_BLACK) | FLG_COLOR_BLINK
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| 101 | at ATTRIBUTE_CHARS.cNormalTimeout, db COLOR_ATTRIBUTE(COLOR_WHITE, COLOR_BLACK)
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| 102 | iend
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| 103 |
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| 104 | .rgcMonochromeAttributes:
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| 105 | istruc ATTRIBUTE_CHARS
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| 106 | at ATTRIBUTE_CHARS.cBordersAndBackground, db MONO_BRIGHT
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| 107 | at ATTRIBUTE_CHARS.cShadow, db MONO_REVERSE_DARK
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| 108 | at ATTRIBUTE_CHARS.cTitle, db MONO_BRIGHT
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| 109 | at ATTRIBUTE_CHARS.cItem, db MONO_NORMAL
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| 110 | at ATTRIBUTE_CHARS.cHighlightedItem, db MONO_REVERSE
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| 111 | at ATTRIBUTE_CHARS.cHurryTimeout, db MONO_BRIGHT_BLINK
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| 112 | at ATTRIBUTE_CHARS.cNormalTimeout, db MONO_NORMAL
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| 113 | iend
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