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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26 | ; MenuAttribute_GetToALfromTypeInSI
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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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96 | at ATTRIBUTE_CHARS.cShadow, db COLOR_ATTRIBUTE(COLOR_GRAY, COLOR_WHITE)
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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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99 | at ATTRIBUTE_CHARS.cHighlightedItem, db COLOR_ATTRIBUTE(COLOR_BLACK, COLOR_WHITE)
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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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