[88] | 1 | ; Project name : XTIDE Universal BIOS |
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[3] | 2 | ; Description : Functions for printing boot menu strings. |
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| 3 | |
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| 4 | ; Section containing code |
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| 5 | SECTION .text |
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| 6 | |
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| 7 | ;-------------------------------------------------------------------- |
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[88] | 8 | ; Prints Boot Menu title strings. |
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[3] | 9 | ; |
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[88] | 10 | ; BootMenuPrint_TitleStrings |
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[3] | 11 | ; Parameters: |
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[88] | 12 | ; Nothing |
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[3] | 13 | ; Returns: |
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[88] | 14 | ; CF: Set since menu event handled |
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[3] | 15 | ; Corrupts registers: |
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[88] | 16 | ; AX, SI, DI |
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[3] | 17 | ;-------------------------------------------------------------------- |
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| 18 | ALIGN JUMP_ALIGN |
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[88] | 19 | BootMenuPrint_TitleStrings: |
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| 20 | mov si, ROMVARS.szTitle |
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| 21 | call PrintNullTerminatedStringFromCSSIandSetCF |
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| 22 | call BootMenuPrint_Newline |
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| 23 | mov si, ROMVARS.szVersion |
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| 24 | jmp PrintNullTerminatedStringFromCSSIandSetCF |
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[3] | 25 | |
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| 26 | |
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| 27 | ;-------------------------------------------------------------------- |
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[88] | 28 | ; BootMenuPrint_Newline |
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[3] | 29 | ; Parameters: |
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[84] | 30 | ; Nothing |
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[3] | 31 | ; Returns: |
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| 32 | ; Nothing |
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| 33 | ; Corrupts registers: |
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[88] | 34 | ; AX, DI |
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[3] | 35 | ;-------------------------------------------------------------------- |
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| 36 | ALIGN JUMP_ALIGN |
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[88] | 37 | BootMenuPrint_Newline: |
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| 38 | CALL_DISPLAY_LIBRARY PrintNewlineCharacters |
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[3] | 39 | ret |
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| 40 | |
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| 41 | |
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| 42 | ;-------------------------------------------------------------------- |
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| 43 | ; Prints Floppy Drive hotkey string. |
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| 44 | ; |
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| 45 | ; BootMenuPrint_FloppyHotkeyString |
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| 46 | ; Parameters: |
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| 47 | ; BL: Number of floppy drives in system |
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| 48 | ; Returns: |
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| 49 | ; Nothing |
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| 50 | ; Corrupts registers: |
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[88] | 51 | ; AX, SI |
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[3] | 52 | ;-------------------------------------------------------------------- |
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| 53 | ALIGN JUMP_ALIGN |
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| 54 | BootMenuPrint_FloppyHotkeyString: |
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| 55 | test bl, bl ; Any floppy drives? |
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[88] | 56 | jz SHORT NoFloppyDrivesOrHardDisksToPrint |
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| 57 | push bp |
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| 58 | |
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| 59 | mov bp, sp |
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| 60 | mov al, 'A' |
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| 61 | push ax ; 'A' |
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| 62 | dec ax |
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| 63 | add al, bl |
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| 64 | push ax ; Last floppy drive letter |
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| 65 | ePUSH_T ax, g_szFDD |
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[3] | 66 | ePUSH_T ax, g_szHDD |
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[88] | 67 | jmp SHORT PrintHotkeyString |
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[3] | 68 | |
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| 69 | ;-------------------------------------------------------------------- |
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| 70 | ; Prints Hard Disk hotkey string. |
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| 71 | ; |
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| 72 | ; BootMenuPrint_FloppyHotkeyString |
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| 73 | ; Parameters: |
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| 74 | ; BH: Number of hard disks in system |
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| 75 | ; Returns: |
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| 76 | ; Nothing |
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| 77 | ; Corrupts registers: |
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[88] | 78 | ; AX, CX, SI |
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[3] | 79 | ;-------------------------------------------------------------------- |
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| 80 | ALIGN JUMP_ALIGN |
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| 81 | BootMenuPrint_HardDiskHotkeyString: |
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| 82 | test bh, bh ; Any hard disks? |
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[88] | 83 | jz SHORT NoFloppyDrivesOrHardDisksToPrint |
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| 84 | push bp |
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| 85 | |
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| 86 | mov bp, sp |
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| 87 | call BootMenu_GetLetterForFirstHardDisk |
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| 88 | push cx ; First hard disk letter |
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| 89 | dec cx |
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| 90 | add cl, bh |
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| 91 | push cx ; Last hard disk letter |
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| 92 | ePUSH_T ax, g_szHDD |
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[3] | 93 | ePUSH_T ax, g_szFDD |
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[88] | 94 | ; Fall to PrintHotkeyString |
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| 95 | |
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| 96 | ALIGN JUMP_ALIGN |
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| 97 | PrintHotkeyString: |
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| 98 | mov si, g_szBottomScrn |
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| 99 | jmp BootMenuPrint_FormatCSSIfromParamsInSSBP |
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| 100 | NoFloppyDrivesOrHardDisksToPrint: |
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[3] | 101 | ret |
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| 102 | |
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| 103 | ;-------------------------------------------------------------------- |
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| 104 | ; BootMenuPrint_ClearScreen |
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| 105 | ; Parameters: |
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| 106 | ; Nothing |
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| 107 | ; Returns: |
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| 108 | ; Nothing |
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| 109 | ; Corrupts registers: |
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[88] | 110 | ; AX |
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[3] | 111 | ;-------------------------------------------------------------------- |
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| 112 | ALIGN JUMP_ALIGN |
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| 113 | BootMenuPrint_ClearScreen: |
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[88] | 114 | push di |
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| 115 | mov ax, ' ' | (MONO_NORMAL<<8) |
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| 116 | CALL_DISPLAY_LIBRARY ClearScreenWithCharInALandAttrInAH |
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| 117 | pop di |
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[3] | 118 | ret |
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| 119 | |
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| 120 | |
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| 121 | ;-------------------------------------------------------------------- |
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| 122 | ; Translates and prints drive number. |
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| 123 | ; |
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| 124 | ; BootMenuPrint_TranslatedDriveNumber |
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| 125 | ; Parameters: |
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| 126 | ; DL: Untranslated drive number |
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| 127 | ; DS: RAMVARS segment |
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| 128 | ; Returns: |
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| 129 | ; Nothing |
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| 130 | ; Corrupts registers: |
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| 131 | ; AX, DI |
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| 132 | ;-------------------------------------------------------------------- |
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| 133 | ALIGN JUMP_ALIGN |
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| 134 | BootMenuPrint_TranslatedDriveNumber: |
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| 135 | push dx |
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[88] | 136 | push bx |
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| 137 | |
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[3] | 138 | call DriveXlate_ToOrBack |
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[88] | 139 | eMOVZX ax, dl ; Drive number to AL |
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| 140 | CALL_DISPLAY_LIBRARY PrintWordFromAXwithBaseInBX |
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| 141 | mov al, ' ' ; Print space |
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| 142 | CALL_DISPLAY_LIBRARY PrintCharacterFromAL |
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| 143 | |
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| 144 | pop bx |
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[3] | 145 | pop dx |
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| 146 | ret |
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| 147 | |
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| 148 | |
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| 149 | ;-------------------------------------------------------------------- |
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| 150 | ; BootMenuPrint_FloppyMenuitem |
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| 151 | ; Parameters: |
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| 152 | ; DL: Untranslated Floppy Drive number |
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| 153 | ; Returns: |
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[88] | 154 | ; Nothing |
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[3] | 155 | ; Corrupts registers: |
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[88] | 156 | ; AX, DX, SI |
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[3] | 157 | ;-------------------------------------------------------------------- |
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| 158 | ALIGN JUMP_ALIGN |
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| 159 | BootMenuPrint_FloppyMenuitem: |
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[88] | 160 | push bp |
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| 161 | |
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| 162 | mov bp, sp |
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| 163 | mov si, g_szFDLetter |
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[3] | 164 | ePUSH_T ax, g_szFloppyDrv |
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[88] | 165 | add dl, 'A' |
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| 166 | push dx ; Drive letter |
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| 167 | jmp BootMenuPrint_FormatCSSIfromParamsInSSBP |
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[3] | 168 | |
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| 169 | |
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| 170 | ;-------------------------------------------------------------------- |
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| 171 | ; BootMenuPrint_HardDiskMenuitem |
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| 172 | ; Parameters: |
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| 173 | ; DL: Untranslated Hard Disk number |
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| 174 | ; DS: RAMVARS segment |
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| 175 | ; Returns: |
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[88] | 176 | ; CF: Set since menu event handled |
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[3] | 177 | ; Corrupts registers: |
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[88] | 178 | ; AX, BX, SI, DI |
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[3] | 179 | ;-------------------------------------------------------------------- |
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| 180 | ALIGN JUMP_ALIGN |
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| 181 | BootMenuPrint_HardDiskMenuitem: |
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| 182 | call FindDPT_ForDriveNumber ; DS:DI to point DPT |
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[88] | 183 | jnc SHORT .HardDiskMenuitemForForeignDrive |
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| 184 | ; Fall to .HardDiskMenuitemForOurDrive |
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[3] | 185 | |
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| 186 | ;-------------------------------------------------------------------- |
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[88] | 187 | ; .HardDiskMenuitemForOurDrive |
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[3] | 188 | ; Parameters: |
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| 189 | ; DL: Untranslated Hard Disk number |
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| 190 | ; DS: RAMVARS segment |
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| 191 | ; Returns: |
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[88] | 192 | ; CF: Set since menu event handled |
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[3] | 193 | ; Corrupts registers: |
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[88] | 194 | ; AX, BX, SI, DI |
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[3] | 195 | ;-------------------------------------------------------------------- |
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[88] | 196 | ;ALIGN JUMP_ALIGN |
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| 197 | .HardDiskMenuitemForOurDrive: |
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| 198 | call BootInfo_GetOffsetToBX |
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| 199 | lea si, [bx+BOOTNFO.szDrvName] |
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| 200 | xor bx, bx ; BDA segment |
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| 201 | CALL_DISPLAY_LIBRARY PrintNullTerminatedStringFromBXSI |
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| 202 | stc |
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| 203 | ret |
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[3] | 204 | |
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| 205 | ;-------------------------------------------------------------------- |
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[88] | 206 | ; BootMenuPrint_HardDiskMenuitemForForeignDrive |
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[3] | 207 | ; Parameters: |
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| 208 | ; DL: Untranslated Hard Disk number |
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| 209 | ; DS: RAMVARS segment |
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| 210 | ; Returns: |
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[88] | 211 | ; CF: Set since menu event handled |
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[3] | 212 | ; Corrupts registers: |
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[88] | 213 | ; AX, SI, DI |
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[3] | 214 | ;-------------------------------------------------------------------- |
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| 215 | ALIGN JUMP_ALIGN |
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[88] | 216 | .HardDiskMenuitemForForeignDrive: |
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| 217 | mov si, g_szforeignHD |
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| 218 | jmp PrintNullTerminatedStringFromCSSIandSetCF |
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[3] | 219 | |
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| 220 | |
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| 221 | ;-------------------------------------------------------------------- |
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| 222 | ; BootMenuPrint_FunctionMenuitem |
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| 223 | ; Parameters: |
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| 224 | ; DX: Function ID |
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| 225 | ; Returns: |
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[88] | 226 | ; CF: Set if menu event was handled successfully |
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[3] | 227 | ; Corrupts registers: |
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[88] | 228 | ; AX, DX, SI, DI |
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[3] | 229 | ;-------------------------------------------------------------------- |
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| 230 | ALIGN JUMP_ALIGN |
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| 231 | BootMenuPrint_FunctionMenuitem: |
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| 232 | test dx, dx ; ID_BOOTFUNC_ROMBOOT |
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| 233 | jz SHORT .PrintRomBootMenuitem |
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| 234 | ret |
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| 235 | |
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| 236 | ALIGN JUMP_ALIGN |
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| 237 | .PrintRomBootMenuitem: |
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| 238 | mov si, g_szRomBoot |
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[88] | 239 | jmp PrintNullTerminatedStringFromCSSIandSetCF |
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[3] | 240 | |
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| 241 | |
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| 242 | ;-------------------------------------------------------------------- |
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| 243 | ; BootMenuPrint_FloppyMenuitemInformation |
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| 244 | ; Parameters: |
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| 245 | ; DL: Untranslated Floppy Drive number |
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| 246 | ; DS: RAMVARS segment |
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| 247 | ; Returns: |
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[88] | 248 | ; CF: Set since menu event was handled successfully |
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[3] | 249 | ; Corrupts registers: |
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[88] | 250 | ; AX, BX, CX, DX, SI, DI, ES |
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[3] | 251 | ;-------------------------------------------------------------------- |
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| 252 | ALIGN JUMP_ALIGN |
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| 253 | BootMenuPrint_FloppyMenuitemInformation: |
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[88] | 254 | call BootMenuPrint_ClearInformationArea |
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| 255 | call FloppyDrive_GetType ; Get Floppy Drive type to BX |
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| 256 | test bx, bx ; Two possibilities? (FLOPPY_TYPE_525_OR_35_DD) |
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| 257 | jz SHORT .PrintXTFloppyType |
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[3] | 258 | cmp bl, FLOPPY_TYPE_35_ED |
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[88] | 259 | ja SHORT .PrintUnknownFloppyType |
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| 260 | jmp SHORT .PrintKnownFloppyType |
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[3] | 261 | |
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| 262 | ;-------------------------------------------------------------------- |
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[88] | 263 | ; .PrintXTFloppyType |
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[3] | 264 | ; Parameters: |
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| 265 | ; Nothing |
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| 266 | ; Returns: |
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[88] | 267 | ; CF: Set since menu event was handled successfully |
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[3] | 268 | ; Corrupts registers: |
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[88] | 269 | ; AX, SI, DI |
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[3] | 270 | ;-------------------------------------------------------------------- |
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| 271 | ALIGN JUMP_ALIGN |
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[88] | 272 | .PrintXTFloppyType: |
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| 273 | push bp |
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[3] | 274 | mov si, g_szFddSizeOr |
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[88] | 275 | jmp SHORT .FormatXTorUnknownTypeFloppyDrive |
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[3] | 276 | |
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| 277 | ;-------------------------------------------------------------------- |
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[88] | 278 | ; .PrintUnknownFloppyType |
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[3] | 279 | ; Parameters: |
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| 280 | ; Nothing |
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| 281 | ; Returns: |
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[88] | 282 | ; CF: Set since menu event was handled successfully |
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[3] | 283 | ; Corrupts registers: |
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[88] | 284 | ; AX, SI, DI |
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[3] | 285 | ;-------------------------------------------------------------------- |
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| 286 | ALIGN JUMP_ALIGN |
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[88] | 287 | .PrintUnknownFloppyType: |
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| 288 | push bp |
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[3] | 289 | mov si, g_szFddUnknown |
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[88] | 290 | .FormatXTorUnknownTypeFloppyDrive: |
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| 291 | mov bp, sp |
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[3] | 292 | ePUSH_T ax, g_szCapacity |
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[88] | 293 | jmp BootMenuPrint_FormatCSSIfromParamsInSSBP |
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[3] | 294 | |
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| 295 | ;-------------------------------------------------------------------- |
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[88] | 296 | ; .PrintKnownFloppyType |
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[3] | 297 | ; Parameters: |
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| 298 | ; BX: Floppy drive type |
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| 299 | ; Returns: |
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[88] | 300 | ; CF: Set since menu event was handled successfully |
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[3] | 301 | ; Corrupts registers: |
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[88] | 302 | ; AX, BX, SI, DI |
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[3] | 303 | ;-------------------------------------------------------------------- |
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| 304 | ALIGN JUMP_ALIGN |
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[88] | 305 | .PrintKnownFloppyType: |
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| 306 | push bp |
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| 307 | |
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| 308 | mov bp, sp |
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| 309 | mov si, g_szFddSize |
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| 310 | ePUSH_T ax, g_szCapacity |
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[3] | 311 | dec bx ; Cannot be 0 (FLOPPY_TYPE_525_OR_35_DD) |
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| 312 | shl bx, 1 ; Shift for WORD lookup |
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| 313 | mov ax, [cs:bx+.rgwPhysicalSize] |
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[88] | 314 | push ax ; '5' or '3' |
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| 315 | mov al, ah |
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[3] | 316 | push ax ; '1/4' or '1/2' |
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[88] | 317 | push WORD [cs:bx+.rgwCapacity] |
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| 318 | jmp SHORT BootMenuPrint_FormatCSSIfromParamsInSSBP |
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| 319 | |
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[3] | 320 | ALIGN WORD_ALIGN |
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| 321 | .rgwCapacity: |
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| 322 | dw 360 |
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| 323 | dw 1200 |
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| 324 | dw 720 |
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| 325 | dw 1440 |
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| 326 | dw 2880 |
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| 327 | dw 2880 |
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| 328 | .rgwPhysicalSize: |
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[88] | 329 | db '5', 172 ; 1, FLOPPY_TYPE_525_DD |
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| 330 | db '5', 172 ; 2, FLOPPY_TYPE_525_HD |
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| 331 | db '3', 171 ; 3, FLOPPY_TYPE_35_DD |
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| 332 | db '3', 171 ; 4, FLOPPY_TYPE_35_HD |
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| 333 | db '3', 171 ; 5, 3.5" ED on some BIOSes |
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| 334 | db '3', 171 ; 6, FLOPPY_TYPE_35_ED |
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[3] | 335 | |
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| 336 | |
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| 337 | ;-------------------------------------------------------------------- |
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| 338 | ; Prints Hard Disk Menuitem information strings. |
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| 339 | ; |
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| 340 | ; BootMenuPrint_HardDiskMenuitemInformation |
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| 341 | ; Parameters: |
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| 342 | ; DL: Untranslated Hard Disk number |
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| 343 | ; DS: RAMVARS segment |
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| 344 | ; Returns: |
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[88] | 345 | ; CF: Set since menu event was handled successfully |
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[3] | 346 | ; Corrupts registers: |
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| 347 | ; BX, CX, DX, SI, DI, ES |
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| 348 | ;-------------------------------------------------------------------- |
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| 349 | ALIGN JUMP_ALIGN |
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| 350 | BootMenuPrint_HardDiskMenuitemInformation: |
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| 351 | call FindDPT_ForDriveNumber ; DS:DI to point DPT |
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[88] | 352 | jnc SHORT .HardDiskMenuitemInfoForForeignDrive |
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| 353 | call .HardDiskMenuitemInfoSizeForOurDrive |
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[3] | 354 | jmp BootMenuPrintCfg_ForOurDrive |
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| 355 | |
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| 356 | ;-------------------------------------------------------------------- |
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[88] | 357 | ; .HardDiskMenuitemInfoForForeignDrive |
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[3] | 358 | ; Parameters: |
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| 359 | ; DL: Untranslated Hard Disk number |
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| 360 | ; DS: RAMVARS segment |
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| 361 | ; Returns: |
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[88] | 362 | ; CF: Set since menu event was handled successfully |
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[3] | 363 | ; Corrupts registers: |
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| 364 | ; AX, BX, CX, DX, SI, DI |
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| 365 | ;-------------------------------------------------------------------- |
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| 366 | ALIGN JUMP_ALIGN |
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[88] | 367 | .HardDiskMenuitemInfoForForeignDrive: |
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| 368 | push bp |
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| 369 | mov bp, sp |
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| 370 | ePUSH_T ax, g_szCapacity |
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| 371 | |
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[3] | 372 | call DriveXlate_ToOrBack |
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| 373 | call HCapacity_GetSectorCountFromForeignAH08h |
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[88] | 374 | call ConvertSectorCountInBXDXAXtoSizeAndPushForFormat |
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| 375 | |
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[3] | 376 | mov si, g_szSizeSingle |
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[88] | 377 | jmp SHORT BootMenuPrint_FormatCSSIfromParamsInSSBP |
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[3] | 378 | |
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| 379 | ;-------------------------------------------------------------------- |
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[88] | 380 | ; .HardDiskMenuitemInfoSizeForOurDrive |
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[3] | 381 | ; Parameters: |
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| 382 | ; DL: Untranslated Hard Disk number |
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| 383 | ; DS:DI: Ptr to DPT |
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| 384 | ; Returns: |
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| 385 | ; Nothing |
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| 386 | ; Corrupts registers: |
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| 387 | ; AX, BX, CX, DX, SI, ES |
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| 388 | ;-------------------------------------------------------------------- |
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| 389 | ALIGN JUMP_ALIGN |
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[88] | 390 | .HardDiskMenuitemInfoSizeForOurDrive: |
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| 391 | push bp |
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| 392 | mov bp, sp |
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| 393 | ePUSH_T ax, g_szCapacity |
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[3] | 394 | |
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[88] | 395 | ; Get and push L-CHS size |
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| 396 | call HCapacity_GetSectorCountFromOurAH08h |
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| 397 | call ConvertSectorCountInBXDXAXtoSizeAndPushForFormat |
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| 398 | |
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[3] | 399 | ; Get and push total LBA size |
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| 400 | call BootInfo_GetTotalSectorCount |
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[88] | 401 | call ConvertSectorCountInBXDXAXtoSizeAndPushForFormat |
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[3] | 402 | |
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| 403 | mov si, g_szSizeDual |
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[88] | 404 | ; Fall to BootMenuPrint_FormatCSSIfromParamsInSSBP |
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[3] | 405 | |
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| 406 | |
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| 407 | ;-------------------------------------------------------------------- |
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[88] | 408 | ; BootMenuPrint_FormatCSSIfromParamsInSSBP |
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| 409 | ; Parameters: |
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| 410 | ; CS:SI: Ptr to string to format |
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| 411 | ; SS:BP: Ptr to format parameters |
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| 412 | ; Returns: |
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| 413 | ; BP: Popped from stack |
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| 414 | ; Corrupts registers: |
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| 415 | ; AX |
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| 416 | ;-------------------------------------------------------------------- |
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| 417 | ALIGN JUMP_ALIGN |
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| 418 | BootMenuPrint_FormatCSSIfromParamsInSSBP: |
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| 419 | push di |
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| 420 | CALL_DISPLAY_LIBRARY FormatNullTerminatedStringFromCSSI |
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| 421 | stc ; Successfull return from menu event |
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| 422 | pop di |
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| 423 | pop bp |
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| 424 | ret |
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| 425 | |
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| 426 | |
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| 427 | ;-------------------------------------------------------------------- |
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| 428 | ; ConvertSectorCountInBXDXAXtoSizeAndPushForFormat |
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| 429 | ; Parameters: |
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| 430 | ; BX:DX:AX: Sector count |
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| 431 | ; Returns: |
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| 432 | ; Size in stack |
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| 433 | ; Corrupts registers: |
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| 434 | ; AX, BX, CX, DX, SI |
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| 435 | ;-------------------------------------------------------------------- |
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| 436 | ALIGN JUMP_ALIGN |
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| 437 | ConvertSectorCountInBXDXAXtoSizeAndPushForFormat: |
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| 438 | pop si ; Pop return address |
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| 439 | call Size_ConvertSectorCountInBXDXAXtoKiB |
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| 440 | mov cx, BYTE_MULTIPLES.kiB |
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| 441 | call Size_GetSizeToAXAndCharToDLfromBXDXAXwithMagnitudeInCX |
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| 442 | push ax ; Size in magnitude |
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| 443 | push cx ; Tenths |
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| 444 | push dx ; Magnitude character |
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| 445 | jmp si |
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| 446 | |
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| 447 | |
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| 448 | ;-------------------------------------------------------------------- |
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| 449 | ; PrintNullTerminatedStringFromCSSIandSetCF |
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| 450 | ; Parameters: |
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| 451 | ; CS:SI: Ptr to NULL terminated string to print |
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| 452 | ; Returns: |
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| 453 | ; CF: Set since menu event was handled successfully |
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| 454 | ; Corrupts registers: |
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| 455 | ; AX, DI |
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| 456 | ;-------------------------------------------------------------------- |
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| 457 | ALIGN JUMP_ALIGN |
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| 458 | PrintNullTerminatedStringFromCSSIandSetCF: |
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| 459 | CALL_DISPLAY_LIBRARY PrintNullTerminatedStringFromCSSI |
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| 460 | stc |
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| 461 | ret |
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| 462 | |
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| 463 | |
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| 464 | ;-------------------------------------------------------------------- |
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| 465 | ; BootMenuPrint_ClearInformationArea |
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| 466 | ; Parameters: |
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| 467 | ; Nothing |
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| 468 | ; Returns: |
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| 469 | ; CF: Set |
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| 470 | ; Corrupts registers: |
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| 471 | ; AX, DI |
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| 472 | ;-------------------------------------------------------------------- |
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| 473 | ALIGN JUMP_ALIGN |
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| 474 | BootMenuPrint_ClearInformationArea: |
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| 475 | CALL_MENU_LIBRARY ClearInformationArea |
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| 476 | stc |
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| 477 | ret |
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| 478 | |
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| 479 | |
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| 480 | ;-------------------------------------------------------------------- |
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| 481 | ; Prints information strings to the bottom of the screen. |
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[3] | 482 | ; |
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[88] | 483 | ; BootMenuPrint_TheBottomOfScreen |
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[3] | 484 | ; Parameters: |
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| 485 | ; DS: RAMVARS segment |
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| 486 | ; Returns: |
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[88] | 487 | ; Nothing |
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[3] | 488 | ; Corrupts registers: |
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[88] | 489 | ; AX, BX, CX, DX, SI |
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[3] | 490 | ;-------------------------------------------------------------------- |
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| 491 | ALIGN JUMP_ALIGN |
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[88] | 492 | BootMenuPrint_TheBottomOfScreen: |
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| 493 | call FloppyDrive_GetCount |
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| 494 | mov bl, cl ; Floppy Drive count to BL |
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| 495 | call RamVars_GetHardDiskCountFromBDAtoCX |
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| 496 | mov bh, cl ; Hard Disk count to BH |
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| 497 | call BootMenuPrint_GetCoordinatesForBottomStrings |
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| 498 | call BootMenuPrint_SetCursorPosition |
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| 499 | call BootMenuPrint_FloppyHotkeyString |
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| 500 | jmp BootMenuPrint_HardDiskHotkeyString |
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[3] | 501 | |
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| 502 | |
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| 503 | ;-------------------------------------------------------------------- |
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[88] | 504 | ; Returns coordinates for bottom strings. |
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[3] | 505 | ; |
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[88] | 506 | ; BootMenuPrint_GetCoordinatesForBottomStrings |
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[3] | 507 | ; Parameters: |
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[88] | 508 | ; BL: Number of floppy drives in system |
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| 509 | ; BH: Number of hard disks in system |
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| 510 | ; Returns: |
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| 511 | ; DL: Cursor X coordinate |
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| 512 | ; DH: Cursor Y coordinate |
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| 513 | ; Corrupts registers: |
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[3] | 514 | ; Nothing |
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[88] | 515 | ;-------------------------------------------------------------------- |
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| 516 | ALIGN JUMP_ALIGN |
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| 517 | BootMenuPrint_GetCoordinatesForBottomStrings: |
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| 518 | mov dx, 1800h ; (0, 24) |
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| 519 | cmp dl, bl ; Set CF if any floppy drives |
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| 520 | sbb dh, dl ; Decrement Y-coordinate if necessary |
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| 521 | cmp dl, bh ; Set CF if any hard disks |
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| 522 | sbb dh, dl ; Decrement Y-coordinate if necessary |
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| 523 | ret |
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| 524 | |
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| 525 | |
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| 526 | ;-------------------------------------------------------------------- |
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| 527 | ; Sets cursor to wanted screen coordinates. |
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| 528 | ; |
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| 529 | ; BootMenuPrint_SetCursorPosition |
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| 530 | ; Parameters: |
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| 531 | ; DL: Cursor X coordinate |
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| 532 | ; DH: Cursor Y coordinate |
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[3] | 533 | ; Returns: |
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[88] | 534 | ; Nothing |
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[3] | 535 | ; Corrupts registers: |
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[88] | 536 | ; AX |
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[3] | 537 | ;-------------------------------------------------------------------- |
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| 538 | ALIGN JUMP_ALIGN |
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[88] | 539 | BootMenuPrint_SetCursorPosition: |
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| 540 | push di |
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| 541 | mov ax, dx |
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| 542 | CALL_DISPLAY_LIBRARY SetCursorCoordinatesFromAX |
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| 543 | pop di |
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| 544 | ret |
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