Actually working character putting
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9151B109B73ECAD5
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/**
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* 8x8 monochrome bitmap fonts for rendering
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* Author: Daniel Hepper <daniel@hepper.net>
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*
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* License: Public Domain
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*
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* Based on:
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* // Summary: font8x8.h
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* // 8x8 monochrome bitmap fonts for rendering
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* //
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* // Author:
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* // Marcel Sondaar
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* // International Business Machines (public domain VGA fonts)
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* //
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* // License:
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* // Public Domain
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*
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* Fetched from: http://dimensionalrift.homelinux.net/combuster/mos3/?p=viewsource&file=/modules/gfx/font8_8.asm
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**/
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// Constant: font8x8_basic
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// Contains an 8x8 font map for unicode points U+0000 - U+007F (basic latin)
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char font8x8_basic[128][8] = {
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{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // U+0000 (nul)
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{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // U+0001
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{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // U+0002
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{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // U+0003
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{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // U+0004
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{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // U+0005
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{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // U+0006
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{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // U+0007
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{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // U+0008
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{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // U+0009
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{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // U+000A
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{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // U+000B
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{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // U+000C
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{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // U+000D
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{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // U+000E
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{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // U+000F
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{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // U+0010
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{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // U+0011
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{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // U+0012
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{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // U+0013
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{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // U+0014
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{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // U+0015
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{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // U+0016
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{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // U+0017
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{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // U+0018
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{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // U+0019
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{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // U+001A
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{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // U+001B
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{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // U+001C
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{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // U+001D
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{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // U+001E
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{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // U+001F
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{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // U+0020 (space)
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{ 0x18, 0x3C, 0x3C, 0x18, 0x18, 0x00, 0x18, 0x00}, // U+0021 (!)
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{ 0x36, 0x36, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // U+0022 (")
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{ 0x36, 0x36, 0x7F, 0x36, 0x7F, 0x36, 0x36, 0x00}, // U+0023 (#)
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{ 0x0C, 0x3E, 0x03, 0x1E, 0x30, 0x1F, 0x0C, 0x00}, // U+0024 ($)
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{ 0x00, 0x63, 0x33, 0x18, 0x0C, 0x66, 0x63, 0x00}, // U+0025 (%)
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{ 0x1C, 0x36, 0x1C, 0x6E, 0x3B, 0x33, 0x6E, 0x00}, // U+0026 (&)
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{ 0x06, 0x06, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00}, // U+0027 (')
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{ 0x18, 0x0C, 0x06, 0x06, 0x06, 0x0C, 0x18, 0x00}, // U+0028 (()
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{ 0x06, 0x0C, 0x18, 0x18, 0x18, 0x0C, 0x06, 0x00}, // U+0029 ())
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{ 0x00, 0x66, 0x3C, 0xFF, 0x3C, 0x66, 0x00, 0x00}, // U+002A (*)
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{ 0x00, 0x0C, 0x0C, 0x3F, 0x0C, 0x0C, 0x00, 0x00}, // U+002B (+)
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{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x0C, 0x0C, 0x06}, // U+002C (,)
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{ 0x00, 0x00, 0x00, 0x3F, 0x00, 0x00, 0x00, 0x00}, // U+002D (-)
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{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x0C, 0x0C, 0x00}, // U+002E (.)
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{ 0x60, 0x30, 0x18, 0x0C, 0x06, 0x03, 0x01, 0x00}, // U+002F (/)
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{ 0x3E, 0x63, 0x73, 0x7B, 0x6F, 0x67, 0x3E, 0x00}, // U+0030 (0)
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{ 0x0C, 0x0E, 0x0C, 0x0C, 0x0C, 0x0C, 0x3F, 0x00}, // U+0031 (1)
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{ 0x1E, 0x33, 0x30, 0x1C, 0x06, 0x33, 0x3F, 0x00}, // U+0032 (2)
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{ 0x1E, 0x33, 0x30, 0x1C, 0x30, 0x33, 0x1E, 0x00}, // U+0033 (3)
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{ 0x38, 0x3C, 0x36, 0x33, 0x7F, 0x30, 0x78, 0x00}, // U+0034 (4)
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{ 0x3F, 0x03, 0x1F, 0x30, 0x30, 0x33, 0x1E, 0x00}, // U+0035 (5)
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{ 0x1C, 0x06, 0x03, 0x1F, 0x33, 0x33, 0x1E, 0x00}, // U+0036 (6)
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{ 0x3F, 0x33, 0x30, 0x18, 0x0C, 0x0C, 0x0C, 0x00}, // U+0037 (7)
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{ 0x1E, 0x33, 0x33, 0x1E, 0x33, 0x33, 0x1E, 0x00}, // U+0038 (8)
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{ 0x1E, 0x33, 0x33, 0x3E, 0x30, 0x18, 0x0E, 0x00}, // U+0039 (9)
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{ 0x00, 0x0C, 0x0C, 0x00, 0x00, 0x0C, 0x0C, 0x00}, // U+003A (:)
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{ 0x00, 0x0C, 0x0C, 0x00, 0x00, 0x0C, 0x0C, 0x06}, // U+003B (;)
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{ 0x18, 0x0C, 0x06, 0x03, 0x06, 0x0C, 0x18, 0x00}, // U+003C (<)
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{ 0x00, 0x00, 0x3F, 0x00, 0x00, 0x3F, 0x00, 0x00}, // U+003D (=)
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{ 0x06, 0x0C, 0x18, 0x30, 0x18, 0x0C, 0x06, 0x00}, // U+003E (>)
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{ 0x1E, 0x33, 0x30, 0x18, 0x0C, 0x00, 0x0C, 0x00}, // U+003F (?)
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{ 0x3E, 0x63, 0x7B, 0x7B, 0x7B, 0x03, 0x1E, 0x00}, // U+0040 (@)
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{ 0x0C, 0x1E, 0x33, 0x33, 0x3F, 0x33, 0x33, 0x00}, // U+0041 (A)
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{ 0x3F, 0x66, 0x66, 0x3E, 0x66, 0x66, 0x3F, 0x00}, // U+0042 (B)
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{ 0x3C, 0x66, 0x03, 0x03, 0x03, 0x66, 0x3C, 0x00}, // U+0043 (C)
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{ 0x1F, 0x36, 0x66, 0x66, 0x66, 0x36, 0x1F, 0x00}, // U+0044 (D)
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{ 0x7F, 0x46, 0x16, 0x1E, 0x16, 0x46, 0x7F, 0x00}, // U+0045 (E)
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{ 0x7F, 0x46, 0x16, 0x1E, 0x16, 0x06, 0x0F, 0x00}, // U+0046 (F)
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{ 0x3C, 0x66, 0x03, 0x03, 0x73, 0x66, 0x7C, 0x00}, // U+0047 (G)
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{ 0x33, 0x33, 0x33, 0x3F, 0x33, 0x33, 0x33, 0x00}, // U+0048 (H)
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{ 0x1E, 0x0C, 0x0C, 0x0C, 0x0C, 0x0C, 0x1E, 0x00}, // U+0049 (I)
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{ 0x78, 0x30, 0x30, 0x30, 0x33, 0x33, 0x1E, 0x00}, // U+004A (J)
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{ 0x67, 0x66, 0x36, 0x1E, 0x36, 0x66, 0x67, 0x00}, // U+004B (K)
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{ 0x0F, 0x06, 0x06, 0x06, 0x46, 0x66, 0x7F, 0x00}, // U+004C (L)
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{ 0x63, 0x77, 0x7F, 0x7F, 0x6B, 0x63, 0x63, 0x00}, // U+004D (M)
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{ 0x63, 0x67, 0x6F, 0x7B, 0x73, 0x63, 0x63, 0x00}, // U+004E (N)
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{ 0x1C, 0x36, 0x63, 0x63, 0x63, 0x36, 0x1C, 0x00}, // U+004F (O)
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{ 0x3F, 0x66, 0x66, 0x3E, 0x06, 0x06, 0x0F, 0x00}, // U+0050 (P)
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{ 0x1E, 0x33, 0x33, 0x33, 0x3B, 0x1E, 0x38, 0x00}, // U+0051 (Q)
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{ 0x3F, 0x66, 0x66, 0x3E, 0x36, 0x66, 0x67, 0x00}, // U+0052 (R)
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{ 0x1E, 0x33, 0x07, 0x0E, 0x38, 0x33, 0x1E, 0x00}, // U+0053 (S)
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{ 0x3F, 0x2D, 0x0C, 0x0C, 0x0C, 0x0C, 0x1E, 0x00}, // U+0054 (T)
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{ 0x33, 0x33, 0x33, 0x33, 0x33, 0x33, 0x3F, 0x00}, // U+0055 (U)
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{ 0x33, 0x33, 0x33, 0x33, 0x33, 0x1E, 0x0C, 0x00}, // U+0056 (V)
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{ 0x63, 0x63, 0x63, 0x6B, 0x7F, 0x77, 0x63, 0x00}, // U+0057 (W)
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{ 0x63, 0x63, 0x36, 0x1C, 0x1C, 0x36, 0x63, 0x00}, // U+0058 (X)
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{ 0x33, 0x33, 0x33, 0x1E, 0x0C, 0x0C, 0x1E, 0x00}, // U+0059 (Y)
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{ 0x7F, 0x63, 0x31, 0x18, 0x4C, 0x66, 0x7F, 0x00}, // U+005A (Z)
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{ 0x1E, 0x06, 0x06, 0x06, 0x06, 0x06, 0x1E, 0x00}, // U+005B ([)
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{ 0x03, 0x06, 0x0C, 0x18, 0x30, 0x60, 0x40, 0x00}, // U+005C (\)
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{ 0x1E, 0x18, 0x18, 0x18, 0x18, 0x18, 0x1E, 0x00}, // U+005D (])
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{ 0x08, 0x1C, 0x36, 0x63, 0x00, 0x00, 0x00, 0x00}, // U+005E (^)
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{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xFF}, // U+005F (_)
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{ 0x0C, 0x0C, 0x18, 0x00, 0x00, 0x00, 0x00, 0x00}, // U+0060 (`)
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{ 0x00, 0x00, 0x1E, 0x30, 0x3E, 0x33, 0x6E, 0x00}, // U+0061 (a)
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{ 0x07, 0x06, 0x06, 0x3E, 0x66, 0x66, 0x3B, 0x00}, // U+0062 (b)
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{ 0x00, 0x00, 0x1E, 0x33, 0x03, 0x33, 0x1E, 0x00}, // U+0063 (c)
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{ 0x38, 0x30, 0x30, 0x3e, 0x33, 0x33, 0x6E, 0x00}, // U+0064 (d)
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{ 0x00, 0x00, 0x1E, 0x33, 0x3f, 0x03, 0x1E, 0x00}, // U+0065 (e)
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{ 0x1C, 0x36, 0x06, 0x0f, 0x06, 0x06, 0x0F, 0x00}, // U+0066 (f)
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{ 0x00, 0x00, 0x6E, 0x33, 0x33, 0x3E, 0x30, 0x1F}, // U+0067 (g)
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{ 0x07, 0x06, 0x36, 0x6E, 0x66, 0x66, 0x67, 0x00}, // U+0068 (h)
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{ 0x0C, 0x00, 0x0E, 0x0C, 0x0C, 0x0C, 0x1E, 0x00}, // U+0069 (i)
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{ 0x30, 0x00, 0x30, 0x30, 0x30, 0x33, 0x33, 0x1E}, // U+006A (j)
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{ 0x07, 0x06, 0x66, 0x36, 0x1E, 0x36, 0x67, 0x00}, // U+006B (k)
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{ 0x0E, 0x0C, 0x0C, 0x0C, 0x0C, 0x0C, 0x1E, 0x00}, // U+006C (l)
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{ 0x00, 0x00, 0x33, 0x7F, 0x7F, 0x6B, 0x63, 0x00}, // U+006D (m)
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{ 0x00, 0x00, 0x1F, 0x33, 0x33, 0x33, 0x33, 0x00}, // U+006E (n)
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{ 0x00, 0x00, 0x1E, 0x33, 0x33, 0x33, 0x1E, 0x00}, // U+006F (o)
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{ 0x00, 0x00, 0x3B, 0x66, 0x66, 0x3E, 0x06, 0x0F}, // U+0070 (p)
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{ 0x00, 0x00, 0x6E, 0x33, 0x33, 0x3E, 0x30, 0x78}, // U+0071 (q)
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{ 0x00, 0x00, 0x3B, 0x6E, 0x66, 0x06, 0x0F, 0x00}, // U+0072 (r)
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{ 0x00, 0x00, 0x3E, 0x03, 0x1E, 0x30, 0x1F, 0x00}, // U+0073 (s)
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{ 0x08, 0x0C, 0x3E, 0x0C, 0x0C, 0x2C, 0x18, 0x00}, // U+0074 (t)
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{ 0x00, 0x00, 0x33, 0x33, 0x33, 0x33, 0x6E, 0x00}, // U+0075 (u)
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{ 0x00, 0x00, 0x33, 0x33, 0x33, 0x1E, 0x0C, 0x00}, // U+0076 (v)
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{ 0x00, 0x00, 0x63, 0x6B, 0x7F, 0x7F, 0x36, 0x00}, // U+0077 (w)
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{ 0x00, 0x00, 0x63, 0x36, 0x1C, 0x36, 0x63, 0x00}, // U+0078 (x)
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{ 0x00, 0x00, 0x33, 0x33, 0x33, 0x3E, 0x30, 0x1F}, // U+0079 (y)
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{ 0x00, 0x00, 0x3F, 0x19, 0x0C, 0x26, 0x3F, 0x00}, // U+007A (z)
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{ 0x38, 0x0C, 0x0C, 0x07, 0x0C, 0x0C, 0x38, 0x00}, // U+007B ({)
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{ 0x18, 0x18, 0x18, 0x00, 0x18, 0x18, 0x18, 0x00}, // U+007C (|)
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{ 0x07, 0x0C, 0x0C, 0x38, 0x0C, 0x0C, 0x07, 0x00}, // U+007D (})
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{ 0x6E, 0x3B, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // U+007E (~)
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{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00} // U+007F
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};
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@ -1,4 +1,6 @@
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#include "framebuffer.h"
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#include "font8x8_basic.h"
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#include "serial.h"
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static unsigned long fb_address;
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static unsigned long fb_pitch;
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@ -7,42 +9,70 @@ static unsigned char fb_bpp, fb_bytespp;
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static unsigned char fb_rpos, fb_bpos, fb_gpos;
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void initfb(
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unsigned long addr,
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unsigned short w,
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unsigned short h,
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unsigned char bpp,
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unsigned long pitch,
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unsigned char rpos,
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unsigned char gpos,
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unsigned char bpos
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unsigned long addr,
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unsigned short w,
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unsigned short h,
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unsigned char bpp,
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unsigned long pitch,
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unsigned char rpos,
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unsigned char gpos,
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unsigned char bpos
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){
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fb_address = addr;
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fb_pitch = pitch;
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fb_width = w;
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fb_height = h;
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fb_bpp = bpp;
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fb_bytespp = bpp/8;
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fb_rpos = rpos;
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fb_gpos = gpos;
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fb_bpos = bpos;
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fb_address = addr;
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fb_pitch = pitch;
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fb_width = w;
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fb_height = h;
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fb_bpp = bpp;
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fb_bytespp = bpp/8;
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fb_rpos = rpos;
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fb_gpos = gpos;
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fb_bpos = bpos;
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}
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void putpixel(
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unsigned short x,
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unsigned short y,
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unsigned char r,
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unsigned char g,
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unsigned char b,
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unsigned char a
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unsigned short x,
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unsigned short y,
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unsigned char r,
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unsigned char g,
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unsigned char b
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){
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if (x > fb_width || y > fb_height)
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return;
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unsigned long dest_addr = fb_address + y*fb_pitch + x*fb_bytespp;
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if (fb_bpp == 32) {
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*((unsigned long *)(dest_addr)) = r<<fb_rpos | g<<fb_gpos | b<<fb_bpos;
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} else {
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*((unsigned char *)(dest_addr + fb_rpos/8)) = r;
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*((unsigned char *)(dest_addr + fb_gpos/8)) = g;
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*((unsigned char *)(dest_addr + fb_bpos/8)) = b;
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}
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if (x > fb_width || y > fb_height)
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return;
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unsigned long dest_addr = fb_address + y*fb_pitch + x*fb_bytespp;
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if (fb_bpp == 32) {
|
||||
*((unsigned long *)(dest_addr)) = r<<fb_rpos | g<<fb_gpos | b<<fb_bpos;
|
||||
} else {
|
||||
*((unsigned char *)(dest_addr + fb_rpos/8)) = r;
|
||||
*((unsigned char *)(dest_addr + fb_gpos/8)) = g;
|
||||
*((unsigned char *)(dest_addr + fb_bpos/8)) = b;
|
||||
}
|
||||
}
|
||||
|
||||
void putchar(
|
||||
unsigned char *character,
|
||||
unsigned short x,
|
||||
unsigned short y,
|
||||
unsigned char r,
|
||||
unsigned char g,
|
||||
unsigned char b
|
||||
){
|
||||
// Limit to ASCII printable
|
||||
if (*character < 0x20) {
|
||||
serial_write_string("\nASCII too low");
|
||||
return;
|
||||
}
|
||||
if (*character > 0x7e) {
|
||||
serial_write_string("\nASCII too hihg");
|
||||
return;
|
||||
}
|
||||
|
||||
unsigned char *rowdata = font8x8_basic[*character];
|
||||
unsigned int charx, chary;
|
||||
for (chary=0;chary<8;chary++) {
|
||||
for (charx=0;charx<8;charx++) {
|
||||
unsigned char pix = rowdata[chary] & 1 << charx;
|
||||
if (pix)
|
||||
putpixel(x+charx, y+chary, r*pix, g*pix, b*pix);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
|
|||
|
|
@ -2,22 +2,28 @@
|
|||
#define _FRAMEBUFFER_H 1
|
||||
|
||||
void initfb(
|
||||
unsigned long addr,
|
||||
unsigned short w,
|
||||
unsigned short h,
|
||||
unsigned char bpp,
|
||||
unsigned long pitch,
|
||||
unsigned char rpos,
|
||||
unsigned char gpos,
|
||||
unsigned char bpos
|
||||
unsigned long addr,
|
||||
unsigned short w,
|
||||
unsigned short h,
|
||||
unsigned char bpp,
|
||||
unsigned long pitch,
|
||||
unsigned char rpos,
|
||||
unsigned char gpos,
|
||||
unsigned char bpos
|
||||
);
|
||||
void putpixel(
|
||||
unsigned short x,
|
||||
unsigned short y,
|
||||
unsigned char r,
|
||||
unsigned char g,
|
||||
unsigned char b,
|
||||
unsigned char a
|
||||
unsigned short x,
|
||||
unsigned short y,
|
||||
unsigned char r,
|
||||
unsigned char g,
|
||||
unsigned char b
|
||||
);
|
||||
|
||||
void putchar(
|
||||
unsigned char *character,
|
||||
unsigned short x,
|
||||
unsigned short y,
|
||||
unsigned char r,
|
||||
unsigned char g,
|
||||
unsigned char b
|
||||
);
|
||||
#endif
|
||||
|
|
|
|||
161
src/kernel.c
161
src/kernel.c
|
|
@ -6,98 +6,105 @@
|
|||
|
||||
static inline void outb(unsigned short port, unsigned char val)
|
||||
{
|
||||
asm volatile("outb %0, %1" : : "a"(val), "Nd"(port) : "memory");
|
||||
asm volatile("outb %0, %1" : : "a"(val), "Nd"(port) : "memory");
|
||||
}
|
||||
static inline unsigned char inb(unsigned short port)
|
||||
{
|
||||
unsigned char ret;
|
||||
asm volatile("inb %1, %0" : "=a"(ret) : "Nd"(port) : "memory");
|
||||
return ret;
|
||||
unsigned char ret;
|
||||
asm volatile("inb %1, %0" : "=a"(ret) : "Nd"(port) : "memory");
|
||||
return ret;
|
||||
}
|
||||
|
||||
void kmain (unsigned int mbootmagick, multiboot_info_t* mbootinfo)
|
||||
{
|
||||
// Cursor disabling
|
||||
outb(0x3D4, 0x0A);
|
||||
outb(0x3D5, 0x20);
|
||||
// Cursor disabling
|
||||
outb(0x3D4, 0x0A);
|
||||
outb(0x3D5, 0x20);
|
||||
|
||||
int serial_initialized = serial_init();
|
||||
serial_write_string("\n=== rOSka ===\n");
|
||||
int serial_initialized = serial_init();
|
||||
serial_write_string("\n=== rOSka ===\n");
|
||||
|
||||
// Check multiboot header
|
||||
if (mbootmagick != MULTIBOOT_BOOTLOADER_MAGIC) {
|
||||
return;
|
||||
}
|
||||
// Check multiboot header
|
||||
if (mbootmagick != MULTIBOOT_BOOTLOADER_MAGIC) {
|
||||
return;
|
||||
}
|
||||
|
||||
serial_write_string("\nMultiboot flags: ");
|
||||
serial_write_string(itoa(mbootinfo->flags, 2));
|
||||
serial_write_string("\nMultiboot flags: ");
|
||||
serial_write_string(itoa(mbootinfo->flags, 2));
|
||||
|
||||
// Check videomode
|
||||
if (mbootinfo->flags & MULTIBOOT_INFO_VBE_INFO) {
|
||||
serial_write_string("\nVBE Mode: 0x");
|
||||
serial_write_string(itoa(mbootinfo->vbe_mode, 16));
|
||||
}
|
||||
// Check videomode
|
||||
if (mbootinfo->flags & MULTIBOOT_INFO_VBE_INFO) {
|
||||
serial_write_string("\nVBE Mode: 0x");
|
||||
serial_write_string(itoa(mbootinfo->vbe_mode, 16));
|
||||
}
|
||||
|
||||
if (!(mbootinfo->flags & MULTIBOOT_INFO_FRAMEBUFFER_INFO)) {
|
||||
serial_write_string("\nVideo info not available");
|
||||
return;
|
||||
}
|
||||
if (!(mbootinfo->flags & MULTIBOOT_INFO_FRAMEBUFFER_INFO)) {
|
||||
serial_write_string("\nVideo info not available");
|
||||
return;
|
||||
}
|
||||
|
||||
serial_write_string("\nFramebuffer: ");
|
||||
serial_write_string("\n Address: 0x");
|
||||
serial_write_string(ultoa(mbootinfo->framebuffer_addr, 16));
|
||||
serial_write_string("\nFramebuffer: ");
|
||||
serial_write_string("\n Address: 0x");
|
||||
serial_write_string(ultoa(mbootinfo->framebuffer_addr, 16));
|
||||
|
||||
serial_write_string("\n Dimensions: ");
|
||||
serial_write_string(itoa(mbootinfo->framebuffer_width, 10));
|
||||
serial_write_string("X");
|
||||
serial_write_string(itoa(mbootinfo->framebuffer_height, 10));
|
||||
serial_write_string("x");
|
||||
serial_write_string(itoa(mbootinfo->framebuffer_bpp, 10));
|
||||
serial_write_string("\n Pitch: ");
|
||||
serial_write_string(itoa(mbootinfo->framebuffer_pitch, 10));
|
||||
serial_write_string("\n RPos:");
|
||||
serial_write_string(itoa(mbootinfo->framebuffer_red_field_position, 10));
|
||||
serial_write_string("\n GPos:");
|
||||
serial_write_string(itoa(mbootinfo->framebuffer_green_field_position, 10));
|
||||
serial_write_string("\n BPos:");
|
||||
serial_write_string(itoa(mbootinfo->framebuffer_blue_field_position, 10));
|
||||
serial_write_string("\n Dimensions: ");
|
||||
serial_write_string(itoa(mbootinfo->framebuffer_width, 10));
|
||||
serial_write_string("X");
|
||||
serial_write_string(itoa(mbootinfo->framebuffer_height, 10));
|
||||
serial_write_string("x");
|
||||
serial_write_string(itoa(mbootinfo->framebuffer_bpp, 10));
|
||||
serial_write_string("\n Pitch: ");
|
||||
serial_write_string(itoa(mbootinfo->framebuffer_pitch, 10));
|
||||
serial_write_string("\n RPos:");
|
||||
serial_write_string(itoa(mbootinfo->framebuffer_red_field_position, 10));
|
||||
serial_write_string("\n GPos:");
|
||||
serial_write_string(itoa(mbootinfo->framebuffer_green_field_position, 10));
|
||||
serial_write_string("\n BPos:");
|
||||
serial_write_string(itoa(mbootinfo->framebuffer_blue_field_position, 10));
|
||||
|
||||
serial_write_string("\nMemory: ");
|
||||
serial_write_string("\n lower: ");
|
||||
serial_write_string(uitoa(mbootinfo->mem_lower, 10));
|
||||
serial_write_string(" k");
|
||||
serial_write_string("\n upper: ");
|
||||
serial_write_string(uitoa(mbootinfo->mem_upper/1024, 10));
|
||||
serial_write_string(" M");
|
||||
serial_write_string("\nMemory: ");
|
||||
serial_write_string("\n lower: ");
|
||||
serial_write_string(uitoa(mbootinfo->mem_lower, 10));
|
||||
serial_write_string(" k");
|
||||
serial_write_string("\n upper: ");
|
||||
serial_write_string(uitoa(mbootinfo->mem_upper/1024, 10));
|
||||
serial_write_string(" M");
|
||||
|
||||
initfb(
|
||||
mbootinfo->framebuffer_addr,
|
||||
mbootinfo->framebuffer_width,
|
||||
mbootinfo->framebuffer_height,
|
||||
mbootinfo->framebuffer_bpp,
|
||||
mbootinfo->framebuffer_pitch,
|
||||
mbootinfo->framebuffer_red_field_position,
|
||||
mbootinfo->framebuffer_green_field_position,
|
||||
mbootinfo->framebuffer_blue_field_position
|
||||
);
|
||||
int x, y, i;
|
||||
unsigned char c = 0;
|
||||
for (;;) {
|
||||
for (;c<255;c+=5) {
|
||||
for(y=0; y < mbootinfo->framebuffer_height; y++) {
|
||||
for(x=0; x < mbootinfo->framebuffer_width; x++) {
|
||||
putpixel(x, y, 0, c, c, 0xff);
|
||||
}
|
||||
}
|
||||
}
|
||||
for (;c>0;c-=5) {
|
||||
for(y=mbootinfo->framebuffer_height; y>=0; y--) {
|
||||
for(x=mbootinfo->framebuffer_width; x>=0; x--) {
|
||||
putpixel(x, y, 0, c, c, 0xff);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
initfb(
|
||||
mbootinfo->framebuffer_addr,
|
||||
mbootinfo->framebuffer_width,
|
||||
mbootinfo->framebuffer_height,
|
||||
mbootinfo->framebuffer_bpp,
|
||||
mbootinfo->framebuffer_pitch,
|
||||
mbootinfo->framebuffer_red_field_position,
|
||||
mbootinfo->framebuffer_green_field_position,
|
||||
mbootinfo->framebuffer_blue_field_position
|
||||
);
|
||||
// int x, y, i;
|
||||
// unsigned char c = 0;
|
||||
// for (;;) {
|
||||
// for (;c<255;c+=5) {
|
||||
// for (y=0; y < mbootinfo->framebuffer_height; y++) {
|
||||
// for (x=0; x < mbootinfo->framebuffer_width; x++) {
|
||||
// putpixel(x, y, 0, c, c);
|
||||
// }
|
||||
// }
|
||||
// }
|
||||
// for (;c>0;c-=5) {
|
||||
// for (y=mbootinfo->framebuffer_height; y>=0; y--) {
|
||||
// for (x=mbootinfo->framebuffer_width; x>=0; x--) {
|
||||
// putpixel(x, y, 0, c, c);
|
||||
// }
|
||||
// }
|
||||
// }
|
||||
// }
|
||||
|
||||
serial_write_string("\nExecution finished, halting...\n");
|
||||
putchar("r", 0, 0, 0xff, 0xff, 0xff);
|
||||
putchar("O", 8, 0, 0xff, 0xff, 0xff);
|
||||
putchar("S", 16, 0, 0xff, 0xff, 0xff);
|
||||
putchar("k", 24, 0, 0xff, 0xff, 0xff);
|
||||
putchar("a", 32, 0, 0xff, 0xff, 0xff);
|
||||
while(1){}
|
||||
|
||||
serial_write_string("\nExecution finished, halting...\n");
|
||||
}
|
||||
|
|
|
|||
|
|
@ -23,77 +23,77 @@
|
|||
#define MULTIBOOT_HEADER 1
|
||||
|
||||
/* How many bytes from the start of the file we search for the header. */
|
||||
#define MULTIBOOT_SEARCH 8192
|
||||
#define MULTIBOOT_HEADER_ALIGN 4
|
||||
#define MULTIBOOT_SEARCH 8192
|
||||
#define MULTIBOOT_HEADER_ALIGN 4
|
||||
|
||||
/* The magic field should contain this. */
|
||||
#define MULTIBOOT_HEADER_MAGIC 0x1BADB002
|
||||
#define MULTIBOOT_HEADER_MAGIC 0x1BADB002
|
||||
|
||||
/* This should be in %eax. */
|
||||
#define MULTIBOOT_BOOTLOADER_MAGIC 0x2BADB002
|
||||
#define MULTIBOOT_BOOTLOADER_MAGIC 0x2BADB002
|
||||
|
||||
/* Alignment of multiboot modules. */
|
||||
#define MULTIBOOT_MOD_ALIGN 0x00001000
|
||||
#define MULTIBOOT_MOD_ALIGN 0x00001000
|
||||
|
||||
/* Alignment of the multiboot info structure. */
|
||||
#define MULTIBOOT_INFO_ALIGN 0x00000004
|
||||
#define MULTIBOOT_INFO_ALIGN 0x00000004
|
||||
|
||||
/* Flags set in the ’flags’ member of the multiboot header. */
|
||||
|
||||
/* Align all boot modules on i386 page (4KB) boundaries. */
|
||||
#define MULTIBOOT_PAGE_ALIGN 0x00000001
|
||||
#define MULTIBOOT_PAGE_ALIGN 0x00000001
|
||||
|
||||
/* Must pass memory information to OS. */
|
||||
#define MULTIBOOT_MEMORY_INFO 0x00000002
|
||||
#define MULTIBOOT_MEMORY_INFO 0x00000002
|
||||
|
||||
/* Must pass video information to OS. */
|
||||
#define MULTIBOOT_VIDEO_MODE 0x00000004
|
||||
#define MULTIBOOT_VIDEO_MODE 0x00000004
|
||||
|
||||
/* This flag indicates the use of the address fields in the header. */
|
||||
#define MULTIBOOT_AOUT_KLUDGE 0x00010000
|
||||
#define MULTIBOOT_AOUT_KLUDGE 0x00010000
|
||||
|
||||
/* Flags to be set in the ’flags’ member of the multiboot info structure. */
|
||||
|
||||
/* is there basic lower/upper memory information? */
|
||||
#define MULTIBOOT_INFO_MEMORY 0x00000001
|
||||
#define MULTIBOOT_INFO_MEMORY 0x00000001
|
||||
/* is there a boot device set? */
|
||||
#define MULTIBOOT_INFO_BOOTDEV 0x00000002
|
||||
#define MULTIBOOT_INFO_BOOTDEV 0x00000002
|
||||
/* is the command-line defined? */
|
||||
#define MULTIBOOT_INFO_CMDLINE 0x00000004
|
||||
#define MULTIBOOT_INFO_CMDLINE 0x00000004
|
||||
/* are there modules to do something with? */
|
||||
#define MULTIBOOT_INFO_MODS 0x00000008
|
||||
#define MULTIBOOT_INFO_MODS 0x00000008
|
||||
|
||||
/* These next two are mutually exclusive */
|
||||
|
||||
/* is there a symbol table loaded? */
|
||||
#define MULTIBOOT_INFO_AOUT_SYMS 0x00000010
|
||||
#define MULTIBOOT_INFO_AOUT_SYMS 0x00000010
|
||||
/* is there an ELF section header table? */
|
||||
#define MULTIBOOT_INFO_ELF_SHDR 0X00000020
|
||||
#define MULTIBOOT_INFO_ELF_SHDR 0X00000020
|
||||
|
||||
/* is there a full memory map? */
|
||||
#define MULTIBOOT_INFO_MEM_MAP 0x00000040
|
||||
#define MULTIBOOT_INFO_MEM_MAP 0x00000040
|
||||
|
||||
/* Is there drive info? */
|
||||
#define MULTIBOOT_INFO_DRIVE_INFO 0x00000080
|
||||
#define MULTIBOOT_INFO_DRIVE_INFO 0x00000080
|
||||
|
||||
/* Is there a config table? */
|
||||
#define MULTIBOOT_INFO_CONFIG_TABLE 0x00000100
|
||||
#define MULTIBOOT_INFO_CONFIG_TABLE 0x00000100
|
||||
|
||||
/* Is there a boot loader name? */
|
||||
#define MULTIBOOT_INFO_BOOT_LOADER_NAME 0x00000200
|
||||
#define MULTIBOOT_INFO_BOOT_LOADER_NAME 0x00000200
|
||||
|
||||
/* Is there a APM table? */
|
||||
#define MULTIBOOT_INFO_APM_TABLE 0x00000400
|
||||
#define MULTIBOOT_INFO_APM_TABLE 0x00000400
|
||||
|
||||
/* Is there video information? */
|
||||
#define MULTIBOOT_INFO_VBE_INFO 0x00000800
|
||||
#define MULTIBOOT_INFO_FRAMEBUFFER_INFO 0x00001000
|
||||
#define MULTIBOOT_INFO_VBE_INFO 0x00000800
|
||||
#define MULTIBOOT_INFO_FRAMEBUFFER_INFO 0x00001000
|
||||
|
||||
#ifndef ASM_FILE
|
||||
|
||||
typedef unsigned char multiboot_uint8_t;
|
||||
typedef unsigned short multiboot_uint16_t;
|
||||
typedef unsigned int multiboot_uint32_t;
|
||||
typedef unsigned char multiboot_uint8_t;
|
||||
typedef unsigned short multiboot_uint16_t;
|
||||
typedef unsigned int multiboot_uint32_t;
|
||||
typedef unsigned long long multiboot_uint64_t;
|
||||
|
||||
struct multiboot_header
|
||||
|
|
@ -232,11 +232,11 @@ struct multiboot_mmap_entry
|
|||
multiboot_uint32_t size;
|
||||
multiboot_uint64_t addr;
|
||||
multiboot_uint64_t len;
|
||||
#define MULTIBOOT_MEMORY_AVAILABLE 1
|
||||
#define MULTIBOOT_MEMORY_RESERVED 2
|
||||
#define MULTIBOOT_MEMORY_AVAILABLE 1
|
||||
#define MULTIBOOT_MEMORY_RESERVED 2
|
||||
#define MULTIBOOT_MEMORY_ACPI_RECLAIMABLE 3
|
||||
#define MULTIBOOT_MEMORY_NVS 4
|
||||
#define MULTIBOOT_MEMORY_BADRAM 5
|
||||
#define MULTIBOOT_MEMORY_NVS 4
|
||||
#define MULTIBOOT_MEMORY_BADRAM 5
|
||||
multiboot_uint32_t type;
|
||||
} __attribute__((packed));
|
||||
typedef struct multiboot_mmap_entry multiboot_memory_map_t;
|
||||
|
|
|
|||
58
src/serial.c
58
src/serial.c
|
|
@ -3,54 +3,54 @@
|
|||
|
||||
static inline void outb(unsigned short port, unsigned char val)
|
||||
{
|
||||
asm volatile("outb %0, %1" : : "a"(val), "Nd"(port) : "memory");
|
||||
asm volatile("outb %0, %1" : : "a"(val), "Nd"(port) : "memory");
|
||||
}
|
||||
static inline unsigned char inb(unsigned short port)
|
||||
{
|
||||
unsigned char ret;
|
||||
asm volatile("inb %1, %0" : "=a"(ret) : "Nd"(port) : "memory");
|
||||
return ret;
|
||||
unsigned char ret;
|
||||
asm volatile("inb %1, %0" : "=a"(ret) : "Nd"(port) : "memory");
|
||||
return ret;
|
||||
}
|
||||
|
||||
int serial_init()
|
||||
{
|
||||
outb(PORT + 1, 0x00); // Disable all interrupts
|
||||
outb(PORT + 3, 0x80); // Enable DLAB (set baud rate divisor)
|
||||
outb(PORT + 0, 0x03); // Set divisor to 3 (lo byte) 38400 baud
|
||||
outb(PORT + 1, 0x00); // (hi byte)
|
||||
outb(PORT + 3, 0x03); // 8 bits, no parity, one stop bit
|
||||
outb(PORT + 2, 0xC7); // Enable FIFO, clear them, 14-byte threshold
|
||||
outb(PORT + 4, 0x0B); // IRQs enabled, RTS/DSR set
|
||||
outb(PORT + 4, 0x1E); // Set in loopback mode, test the serial chip
|
||||
outb(PORT + 0, 0xAE); // Test serial chip (send byte 0xAE and check
|
||||
// if serial returns same byte)
|
||||
outb(PORT + 1, 0x00); // Disable all interrupts
|
||||
outb(PORT + 3, 0x80); // Enable DLAB (set baud rate divisor)
|
||||
outb(PORT + 0, 0x03); // Set divisor to 3 (lo byte) 38400 baud
|
||||
outb(PORT + 1, 0x00); // (hi byte)
|
||||
outb(PORT + 3, 0x03); // 8 bits, no parity, one stop bit
|
||||
outb(PORT + 2, 0xC7); // Enable FIFO, clear them, 14-byte threshold
|
||||
outb(PORT + 4, 0x0B); // IRQs enabled, RTS/DSR set
|
||||
outb(PORT + 4, 0x1E); // Set in loopback mode, test the serial chip
|
||||
outb(PORT + 0, 0xAE); // Test serial chip (send byte 0xAE and check
|
||||
// if serial returns same byte)
|
||||
|
||||
// Check if serial is faulty (i.e: not same byte as sent)
|
||||
if (inb(PORT + 0) != 0xAE)
|
||||
return 1;
|
||||
// Check if serial is faulty (i.e: not same byte as sent)
|
||||
if (inb(PORT + 0) != 0xAE)
|
||||
return 1;
|
||||
|
||||
// If serial is not faulty set it in normal operation mode
|
||||
// (not-loopback with IRQs enabled and OUT#1 and OUT#2 bits enabled)
|
||||
outb(PORT + 4, 0x0F);
|
||||
return 0;
|
||||
// If serial is not faulty set it in normal operation mode
|
||||
// (not-loopback with IRQs enabled and OUT#1 and OUT#2 bits enabled)
|
||||
outb(PORT + 4, 0x0F);
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int serial_is_transmit_empty()
|
||||
{
|
||||
return inb(PORT + 5) & 0x20;
|
||||
return inb(PORT + 5) & 0x20;
|
||||
}
|
||||
|
||||
static void serial_write_char(char chr)
|
||||
{
|
||||
while (serial_is_transmit_empty() == 0);
|
||||
outb(PORT, chr);
|
||||
while (serial_is_transmit_empty() == 0);
|
||||
outb(PORT, chr);
|
||||
}
|
||||
|
||||
void serial_write_string(const char* text)
|
||||
{
|
||||
int i = 0;
|
||||
while (text[i]) {
|
||||
serial_write_char(text[i]);
|
||||
i++;
|
||||
}
|
||||
int i = 0;
|
||||
while (text[i]) {
|
||||
serial_write_char(text[i]);
|
||||
i++;
|
||||
}
|
||||
}
|
||||
|
|
|
|||
|
|
@ -4,45 +4,45 @@
|
|||
.set MULTIBOOT_AOUT_KLUDGE, 0 << 16
|
||||
.set MULTIBOOT_HEADER_MAGIC, 0x1BADB002
|
||||
.set MULTIBOOT_HEADER_FLAGS, \
|
||||
MULTIBOOT_PAGE_ALIGN \
|
||||
| MULTIBOOT_MEMORY_INFO \
|
||||
| MULTIBOOT_VIDEO_REQUEST \
|
||||
| MULTIBOOT_AOUT_KLUDGE
|
||||
MULTIBOOT_PAGE_ALIGN \
|
||||
| MULTIBOOT_MEMORY_INFO \
|
||||
| MULTIBOOT_VIDEO_REQUEST \
|
||||
| MULTIBOOT_AOUT_KLUDGE
|
||||
.set MULTIBOOT_CHECKSUM, -(MULTIBOOT_HEADER_MAGIC + MULTIBOOT_HEADER_FLAGS)
|
||||
|
||||
#.section ".multiboottbabeee"
|
||||
.align 4
|
||||
.long MULTIBOOT_HEADER_MAGIC
|
||||
.long MULTIBOOT_HEADER_FLAGS
|
||||
.long MULTIBOOT_CHECKSUM
|
||||
.long 0 # header address
|
||||
.long 0 # load address
|
||||
.long 0 # load end address
|
||||
.long 0 # bss end address
|
||||
.long 0 # entry address
|
||||
.long 0 # video mode_type (0:fb, 1:txt) (set flags[2]!)
|
||||
.long 1024 # video width
|
||||
.long 768 # video height
|
||||
.long 32 # video depth
|
||||
.long MULTIBOOT_HEADER_MAGIC
|
||||
.long MULTIBOOT_HEADER_FLAGS
|
||||
.long MULTIBOOT_CHECKSUM
|
||||
.long 0 # header address
|
||||
.long 0 # load address
|
||||
.long 0 # load end address
|
||||
.long 0 # bss end address
|
||||
.long 0 # entry address
|
||||
.long 0 # video mode_type (0:fb, 1:txt) (set flags[2]!)
|
||||
.long 800 # video width
|
||||
.long 600 # video height
|
||||
.long 32 # video depth
|
||||
|
||||
.bss
|
||||
.align 16
|
||||
stack_bottom:
|
||||
.skip 16384 # 16k
|
||||
stack_top:
|
||||
stack_bottom:
|
||||
.skip 16384 # 16k
|
||||
stack_top:
|
||||
|
||||
.text
|
||||
.global _start
|
||||
_start:
|
||||
# Setup stack
|
||||
mov $stack_top, %esp
|
||||
# Setup stack
|
||||
mov $stack_top, %esp
|
||||
|
||||
# Call the main kernel function.
|
||||
push %ebx
|
||||
push %eax
|
||||
call kmain
|
||||
# Call the main kernel function.
|
||||
push %ebx
|
||||
push %eax
|
||||
call kmain
|
||||
|
||||
|
||||
cli
|
||||
cli
|
||||
1: hlt
|
||||
jmp 1b
|
||||
jmp 1b
|
||||
|
|
|
|||
144
src/xtoa.c
144
src/xtoa.c
|
|
@ -1,104 +1,104 @@
|
|||
#include "xtoa.h"
|
||||
char* itoa(int value, int base)
|
||||
{
|
||||
char* result;
|
||||
char* result;
|
||||
|
||||
// check that the base if valid
|
||||
if (base < 2 || base > 36) { *result = '\0'; return result; }
|
||||
// check that the base if valid
|
||||
if (base < 2 || base > 36) { *result = '\0'; return result; }
|
||||
|
||||
char* ptr = result, *ptr1 = result, tmp_char;
|
||||
int tmp_value;
|
||||
char* ptr = result, *ptr1 = result, tmp_char;
|
||||
int tmp_value;
|
||||
|
||||
do {
|
||||
tmp_value = value;
|
||||
value /= base;
|
||||
*ptr++ = "zyxwvutsrqponmlkjihgfedcba9876543210123456789abcdefghijklmnopqrstuvwxyz" [35 + (tmp_value - value * base)];
|
||||
} while ( value );
|
||||
do {
|
||||
tmp_value = value;
|
||||
value /= base;
|
||||
*ptr++ = "zyxwvutsrqponmlkjihgfedcba9876543210123456789abcdefghijklmnopqrstuvwxyz" [35 + (tmp_value - value * base)];
|
||||
} while ( value );
|
||||
|
||||
// Apply negative sign
|
||||
if (tmp_value < 0) *ptr++ = '-';
|
||||
*ptr-- = '\0';
|
||||
while (ptr1 < ptr) {
|
||||
tmp_char = *ptr;
|
||||
*ptr--= *ptr1;
|
||||
*ptr1++ = tmp_char;
|
||||
}
|
||||
return result;
|
||||
// Apply negative sign
|
||||
if (tmp_value < 0) *ptr++ = '-';
|
||||
*ptr-- = '\0';
|
||||
while (ptr1 < ptr) {
|
||||
tmp_char = *ptr;
|
||||
*ptr--= *ptr1;
|
||||
*ptr1++ = tmp_char;
|
||||
}
|
||||
return result;
|
||||
}
|
||||
|
||||
char* uitoa(unsigned int value, int base)
|
||||
{
|
||||
char* result;
|
||||
char* result;
|
||||
|
||||
// check that the base if valid
|
||||
if (base < 2 || base > 36) { *result = '\0'; return result; }
|
||||
// check that the base if valid
|
||||
if (base < 2 || base > 36) { *result = '\0'; return result; }
|
||||
|
||||
char* ptr = result, *ptr1 = result, tmp_char;
|
||||
int tmp_value;
|
||||
char* ptr = result, *ptr1 = result, tmp_char;
|
||||
int tmp_value;
|
||||
|
||||
do {
|
||||
tmp_value = value;
|
||||
value /= base;
|
||||
*ptr++ = "zyxwvutsrqponmlkjihgfedcba9876543210123456789abcdefghijklmnopqrstuvwxyz" [35 + (tmp_value - value * base)];
|
||||
} while ( value );
|
||||
do {
|
||||
tmp_value = value;
|
||||
value /= base;
|
||||
*ptr++ = "zyxwvutsrqponmlkjihgfedcba9876543210123456789abcdefghijklmnopqrstuvwxyz" [35 + (tmp_value - value * base)];
|
||||
} while ( value );
|
||||
|
||||
*ptr-- = '\0';
|
||||
while (ptr1 < ptr) {
|
||||
tmp_char = *ptr;
|
||||
*ptr--= *ptr1;
|
||||
*ptr1++ = tmp_char;
|
||||
}
|
||||
return result;
|
||||
*ptr-- = '\0';
|
||||
while (ptr1 < ptr) {
|
||||
tmp_char = *ptr;
|
||||
*ptr--= *ptr1;
|
||||
*ptr1++ = tmp_char;
|
||||
}
|
||||
return result;
|
||||
}
|
||||
|
||||
char* ltoa(long value, int base)
|
||||
{
|
||||
char* result;
|
||||
char* result;
|
||||
|
||||
// check that the base if valid
|
||||
if (base < 2 || base > 36) { *result = '\0'; return result; }
|
||||
// check that the base if valid
|
||||
if (base < 2 || base > 36) { *result = '\0'; return result; }
|
||||
|
||||
char* ptr = result, *ptr1 = result, tmp_char;
|
||||
int tmp_value;
|
||||
char* ptr = result, *ptr1 = result, tmp_char;
|
||||
int tmp_value;
|
||||
|
||||
do {
|
||||
tmp_value = value;
|
||||
value /= base;
|
||||
*ptr++ = "zyxwvutsrqponmlkjihgfedcba9876543210123456789abcdefghijklmnopqrstuvwxyz" [35 + (tmp_value - value * base)];
|
||||
} while ( value );
|
||||
do {
|
||||
tmp_value = value;
|
||||
value /= base;
|
||||
*ptr++ = "zyxwvutsrqponmlkjihgfedcba9876543210123456789abcdefghijklmnopqrstuvwxyz" [35 + (tmp_value - value * base)];
|
||||
} while ( value );
|
||||
|
||||
// Apply negative sign
|
||||
if (tmp_value < 0) *ptr++ = '-';
|
||||
*ptr-- = '\0';
|
||||
while (ptr1 < ptr) {
|
||||
tmp_char = *ptr;
|
||||
*ptr--= *ptr1;
|
||||
*ptr1++ = tmp_char;
|
||||
}
|
||||
return result;
|
||||
// Apply negative sign
|
||||
if (tmp_value < 0) *ptr++ = '-';
|
||||
*ptr-- = '\0';
|
||||
while (ptr1 < ptr) {
|
||||
tmp_char = *ptr;
|
||||
*ptr--= *ptr1;
|
||||
*ptr1++ = tmp_char;
|
||||
}
|
||||
return result;
|
||||
}
|
||||
|
||||
char* ultoa(unsigned long value, int base)
|
||||
{
|
||||
char* result;
|
||||
char* result;
|
||||
|
||||
// check that the base if valid
|
||||
if (base < 2 || base > 36) { *result = '\0'; return result; }
|
||||
// check that the base if valid
|
||||
if (base < 2 || base > 36) { *result = '\0'; return result; }
|
||||
|
||||
char* ptr = result, *ptr1 = result, tmp_char;
|
||||
int tmp_value;
|
||||
char* ptr = result, *ptr1 = result, tmp_char;
|
||||
int tmp_value;
|
||||
|
||||
do {
|
||||
tmp_value = value;
|
||||
value /= base;
|
||||
*ptr++ = "zyxwvutsrqponmlkjihgfedcba9876543210123456789abcdefghijklmnopqrstuvwxyz" [35 + (tmp_value - value * base)];
|
||||
} while ( value );
|
||||
do {
|
||||
tmp_value = value;
|
||||
value /= base;
|
||||
*ptr++ = "zyxwvutsrqponmlkjihgfedcba9876543210123456789abcdefghijklmnopqrstuvwxyz" [35 + (tmp_value - value * base)];
|
||||
} while ( value );
|
||||
|
||||
*ptr-- = '\0';
|
||||
while (ptr1 < ptr) {
|
||||
tmp_char = *ptr;
|
||||
*ptr--= *ptr1;
|
||||
*ptr1++ = tmp_char;
|
||||
}
|
||||
return result;
|
||||
*ptr-- = '\0';
|
||||
while (ptr1 < ptr) {
|
||||
tmp_char = *ptr;
|
||||
*ptr--= *ptr1;
|
||||
*ptr1++ = tmp_char;
|
||||
}
|
||||
return result;
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in New Issue