1 | /* $Id: debug.c,v 1.1.1.1 2003/07/02 13:57:02 eleph Exp $ */
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2 | /*
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3 | * COM port debugging functions
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4 | *
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5 | * (C) 2000-2002 InnoTek Systemberatung GmbH
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6 | * (C) 2000-2001 Sander van Leeuwen (sandervl@xs4all.nl)
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7 | *
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8 | * This program is free software; you can redistribute it and/or
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9 | * modify it under the terms of the GNU General Public License as
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10 | * published by the Free Software Foundation; either version 2 of
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11 | * the License, or (at your option) any later version.
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12 | *
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13 | * This program is distributed in the hope that it will be useful,
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14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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16 | * GNU General Public License for more details.
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17 | *
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18 | * You should have received a copy of the GNU General Public
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19 | * License along with this program; if not, write to the Free
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20 | * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139,
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21 | * USA.
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22 | *
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23 | */
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24 | #define INCL_NOPMAPI
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25 | #define INCL_DOSERRORS // for ERROR_INVALID_FUNCTION
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26 | #include <os2.h>
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27 |
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28 | #include <string.h>
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29 |
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30 | #define CR 0x0d
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31 | #define LF 0x0a
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32 |
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33 | #define LEADING_ZEROES 0x8000
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34 | #define SIGNIFICANT_FIELD 0x0007
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35 |
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36 | BOOL fLineTerminate=TRUE;
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37 | int DebugLevel = 1;
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38 |
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39 | extern int wrOffset;
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40 | extern char *szprintBuf;
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41 | extern int max_buf_size;
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42 |
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43 | char hextab[]="0123456789ABCDEF";
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44 |
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45 | //-------------------- DecLongToASCII -
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46 | char * DecLongToASCII(char *StrPtr, ULONG lDecVal,USHORT Option)
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47 | {
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48 | BOOL fNonZero=FALSE;
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49 | ULONG Digit;
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50 | ULONG Power=1000000000; // 1 billion
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51 | LONG lVal = (LONG)lDecVal;
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52 |
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53 | if(lVal < 0) {
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54 | *StrPtr = '-';
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55 | StrPtr++;
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56 | lDecVal = -lDecVal;
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57 | }
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58 |
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59 | while (Power)
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60 | {
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61 | Digit=0; // Digit=lDecVal/Power
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62 | while (lDecVal >=Power) // replaced with while loop
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63 | {
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64 | Digit++;
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65 | lDecVal-=Power;
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66 | }
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67 |
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68 | if (Digit)
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69 | fNonZero=TRUE;
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70 |
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71 | if (Digit ||
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72 | fNonZero ||
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73 | (Option & LEADING_ZEROES) ||
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74 | ((Power==1) && (fNonZero==FALSE)))
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75 | {
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76 | *StrPtr=(char)('0'+Digit);
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77 | StrPtr++;
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78 | }
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79 |
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80 | if (Power==1000000000) // 1 billion
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81 | Power=100000000;
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82 | else if (Power==100000000)
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83 | Power=10000000;
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84 | else if (Power==10000000)
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85 | Power=1000000;
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86 | else if (Power==1000000)
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87 | Power=100000;
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88 | else if (Power==100000)
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89 | Power=10000;
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90 | else if (Power==10000)
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91 | Power=1000;
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92 | else if (Power==1000)
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93 | Power=100;
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94 | else if (Power==100)
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95 | Power=10;
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96 | else if (Power==10)
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97 | Power=1;
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98 | else
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99 | Power=0;
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100 | }
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101 | return (StrPtr);
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102 | }
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103 | //-------------------- HexWordToASCII -
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104 | //-------------------- HexLongToASCII -
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105 | char * HexLongToASCII(char *StrPtr, ULONG wHexVal, USHORT Option)
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106 | {
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107 | BOOL fNonZero=FALSE;
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108 | ULONG Digit;
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109 | ULONG Power=0xF0000000;
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110 | ULONG ShiftVal=28;
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111 |
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112 | while (Power)
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113 | {
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114 | Digit=(wHexVal & Power)>>ShiftVal;
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115 | if (Digit)
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116 | fNonZero=TRUE;
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117 |
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118 | if (Digit ||
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119 | fNonZero ||
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120 | (Option & LEADING_ZEROES) ||
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121 | ((Power==0x0F) && (fNonZero==FALSE)))
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122 | *StrPtr++=hextab[Digit];
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123 |
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124 | if (Power==0xF0000000) // 1 billion
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125 | Power=0xF000000;
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126 | else if (Power==0xF000000)
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127 | Power=0xF00000;
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128 | else if (Power==0xF00000)
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129 | Power=0xF0000;
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130 | else if (Power==0xF0000)
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131 | Power=0xF000;
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132 | else if (Power==0xF000)
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133 | Power=0xF00;
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134 | else if (Power==0xF00)
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135 | Power=0xF0;
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136 | else if (Power==0xF0)
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137 | Power=0xF;
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138 | else Power=0;
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139 |
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140 | ShiftVal-=4;
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141 | } // end while
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142 |
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143 | return (StrPtr);
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144 | }
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145 |
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146 | #ifdef DEBUG
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147 | #define COMM_DEBUG
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148 | //------------------------- StringOut --------------------------//
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149 |
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150 | #define VMDHA_FIXED 0x0002
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151 |
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152 | extern APIRET VMAlloc(ULONG size, ULONG flags, char NEAR* *pAddr);
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153 |
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154 | /**
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155 | * Finds the length of a string up to cchMax.
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156 | * @returns Length.
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157 | * @param psz Pointer to string.
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158 | * @param cchMax Max length.
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159 | */
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160 | static unsigned _strnlen(const char *psz, unsigned cchMax)
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161 | {
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162 | const char *pszC = psz;
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163 |
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164 | while (cchMax-- > 0 && *psz != '\0')
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165 | psz++;
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166 |
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167 | return psz - pszC;
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168 | }
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169 |
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170 | #ifdef COMM_DEBUG
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171 | short int MAGIC_COMM_PORT = 0; // pulled from word ptr 40:0
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172 |
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173 |
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174 | #define UART_DATA 0x00 // UART Data port
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175 | #define UART_INT_ENAB 0x01 // UART Interrupt enable
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176 | #define UART_INT_ID 0x02 // interrupt ID
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177 | #define UART_LINE_CTRL 0x03 // line control registers
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178 | #define UART_MODEM_CTRL 0x04 // modem control register
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179 | #define UART_LINE_STAT 0x05 // line status register
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180 | #define UART_MODEM_STAT 0x06 // modem status regiser
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181 | #define UART_DIVISOR_LO 0x00 // divisor latch least sig
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182 | #define UART_DIVISOR_HI 0x01h // divisor latch most sig
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183 |
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184 | #define DELAY nop
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185 |
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186 | void CharOut(char c)
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187 | {
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188 | if( MAGIC_COMM_PORT )
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189 | {
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190 |
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191 | _asm {
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192 |
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193 | mov dx, MAGIC_COMM_PORT // address of PS/2's first COM port
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194 | add dx, UART_LINE_STAT
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195 |
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196 | ReadyCheck:
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197 | in al, dx // wait for comm port ready signal
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198 |
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199 | DELAY
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200 | DELAY
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201 | DELAY
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202 |
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203 | test al, 020h
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204 | jz ReadyCheck
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205 |
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206 | // Send the character
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207 |
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208 | add dx, UART_DATA - UART_LINE_STAT
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209 | mov al,c
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210 | out dx, al
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211 |
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212 | DELAY
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213 | DELAY
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214 | DELAY
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215 | }
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216 | }
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217 | }
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218 | #endif
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219 |
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220 | void StringOut(char *DbgStr)
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221 | {
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222 | int len;
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223 | #ifdef COMM_DEBUG
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224 | int i;
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225 | #endif /* DEBUG */
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226 |
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227 | len= _strnlen( DbgStr, 1024 );
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228 | /*
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229 | while (*DbgStr)
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230 | CharOut(*DbgStr++);
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231 | */
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232 | #ifdef COMM_DEBUG
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233 | if (MAGIC_COMM_PORT) //PS+++ If have comport - out to it
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234 | {
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235 | for( i= 0; i < len; i++ )
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236 | CharOut( DbgStr[i] );
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237 |
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238 | if (fLineTerminate)
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239 | {
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240 | CharOut(CR); // append carriage return,
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241 | CharOut(LF); // linefeed
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242 | }
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243 | }
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244 | #endif
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245 | if( szprintBuf == 0 )
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246 | {
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247 | VMAlloc( max_buf_size, VMDHA_FIXED, &szprintBuf );
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248 | if( szprintBuf )
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249 | memset( szprintBuf, 0, max_buf_size );
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250 | wrOffset= 0;
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251 | }
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252 | if( szprintBuf )
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253 | {
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254 | if( (len + wrOffset) > max_buf_size )
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255 | {
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256 | int cntr;
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257 | cntr= max_buf_size - wrOffset;
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258 | memcpy( szprintBuf + wrOffset, DbgStr, cntr );
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259 | DbgStr+= cntr;
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260 | len= len - cntr;
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261 | wrOffset= 0;
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262 | }
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263 | if( len )
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264 | {
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265 | memcpy( szprintBuf + wrOffset, DbgStr, len );
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266 | wrOffset= wrOffset + len;
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267 | if( wrOffset >= max_buf_size )
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268 | wrOffset= 0;
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269 | }
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270 | if (fLineTerminate)
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271 | {
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272 | // if( (wrOffset+1) >= max_buf_size )
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273 | // wrOffset= 0;
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274 | szprintBuf[wrOffset]= CR;
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275 | if( ++wrOffset >= max_buf_size )
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276 | wrOffset= 0;
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277 | szprintBuf[wrOffset]= LF;
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278 | if( ++wrOffset >= max_buf_size )
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279 | wrOffset= 0;
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280 | }
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281 | }
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282 | }
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283 | #endif
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284 |
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285 | #ifdef DEBUG
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286 | char BuildString[1024];
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287 | #endif // DEBUG
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288 |
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289 | //------------------------- PrintfOut -
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290 | void _cdecl DPD(int level, char *DbgStr, ...)
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291 | {
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292 | #ifdef DEBUG
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293 | char *BuildPtr=BuildString;
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294 | char *pStr=(char *) DbgStr;
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295 | char *SubStr;
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296 | union {
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297 | void *VoidPtr;
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298 | USHORT *WordPtr;
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299 | ULONG *LongPtr;
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300 | ULONG *StringPtr;
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301 | } Parm;
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302 | USHORT wBuildOption;
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303 |
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304 | Parm.VoidPtr=(void *) &DbgStr;
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305 | Parm.StringPtr++; // skip size of string pointer
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306 |
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307 | while (*pStr)
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308 | {
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309 | // don't overflow target
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310 | if (BuildPtr >= (char *) &BuildString[1024-2])
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311 | break;
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312 |
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313 | switch (*pStr)
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314 | {
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315 | case '%':
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316 | wBuildOption=0;
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317 | pStr++;
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318 | if (*pStr=='0')
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319 | {
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320 | wBuildOption|=LEADING_ZEROES;
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321 | pStr++;
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322 | }
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323 | if (*pStr=='u') // always unsigned
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324 | pStr++;
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325 | if (*pStr=='#')
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326 | pStr++;
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327 |
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328 | switch(*pStr)
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329 | {
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330 | case 'x':
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331 | case 'X':
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332 | case 'p':
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333 | case 'P':
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334 | BuildPtr=HexLongToASCII(BuildPtr, *Parm.LongPtr++,wBuildOption);
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335 | pStr++;
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336 | continue;
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337 |
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338 | case 'd':
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339 | BuildPtr=DecLongToASCII(BuildPtr, *Parm.LongPtr++,wBuildOption);
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340 | pStr++;
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341 | continue;
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342 |
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343 | case 's':
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344 | SubStr=(char *)*Parm.StringPtr;
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345 | while (*BuildPtr++ = *SubStr++);
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346 | Parm.StringPtr++;
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347 | BuildPtr--; // remove the \0
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348 | pStr++;
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349 | continue;
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350 |
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351 | case 'l':
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352 | pStr++;
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353 | switch (*pStr)
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354 | {
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355 | case 'x':
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356 | case 'X':
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357 | BuildPtr=HexLongToASCII(BuildPtr, *Parm.LongPtr++,wBuildOption);
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358 | pStr++;
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359 | continue;
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360 |
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361 | case 'd':
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362 | BuildPtr=DecLongToASCII(BuildPtr, *Parm.LongPtr++,wBuildOption);
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363 | pStr++;
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364 | continue;
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365 | } // end switch
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366 | continue; // dunno what he wants
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367 |
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368 | case 0:
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369 | continue;
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370 | } // end switch
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371 | break;
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372 |
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373 | case '\\':
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374 | pStr++;
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375 | switch (*pStr)
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376 | {
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377 | case 'n':
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378 | *BuildPtr++=LF;
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379 | pStr++;
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380 | continue;
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381 |
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382 | case 'r':
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383 | *BuildPtr++=CR;
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384 | pStr++;
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385 | continue;
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386 |
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387 | case 0:
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388 | continue;
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389 | break;
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390 | } // end switch
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391 |
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392 | break;
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393 | } // end switch
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394 |
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395 | *BuildPtr++=*pStr++;
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396 | } // end while
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397 |
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398 | *BuildPtr=0; // cauterize the string
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399 | StringOut((char *) BuildString);
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400 | #endif //DEBUG
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401 | }
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402 |
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403 |
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404 | void _cdecl DPE(char *DbgStr, ...)
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405 | {
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406 | #ifdef DEBUG
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407 | char *BuildPtr=BuildString;
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408 | char *pStr = (char *) DbgStr;
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409 | char *SubStr;
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410 | union {
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411 | void *VoidPtr;
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412 | USHORT *WordPtr;
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413 | ULONG *LongPtr;
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414 | ULONG *StringPtr;
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415 | } Parm;
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416 | USHORT wBuildOption;
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417 |
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418 | Parm.VoidPtr=(void *) &DbgStr;
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419 | Parm.StringPtr++; // skip size of string pointer
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420 |
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421 | while (*pStr)
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422 | {
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423 | // don't overflow target
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424 | if (BuildPtr >= (char *) &BuildString[1024-2])
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425 | break;
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426 |
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427 | switch (*pStr)
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428 | {
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429 | case '%':
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430 | wBuildOption=0;
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431 | pStr++;
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432 | if (*pStr=='0')
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433 | {
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434 | wBuildOption|=LEADING_ZEROES;
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435 | pStr++;
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436 | }
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437 | // if (*pStr=='u') // always unsigned
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438 | // pStr++;
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439 |
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440 | switch(*pStr)
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441 | {
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442 | case 'x':
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443 | case 'X':
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444 | case 'p':
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445 | case 'P':
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446 | BuildPtr=HexLongToASCII(BuildPtr, *Parm.LongPtr++,wBuildOption);
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447 | pStr++;
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448 | continue;
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449 |
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450 | case 'd':
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451 | case 'u':
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452 | BuildPtr=DecLongToASCII(BuildPtr, *Parm.LongPtr++,wBuildOption);
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453 | pStr++;
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454 | continue;
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455 |
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456 | case 's':
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457 | SubStr=(char *)*Parm.StringPtr;
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458 | while (*BuildPtr++ = *SubStr++);
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459 | Parm.StringPtr++;
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460 | BuildPtr--; // remove the \0
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461 | pStr++;
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462 | continue;
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463 |
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464 | case 'c':
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465 | *BuildPtr++ = (char)*Parm.LongPtr;
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466 | Parm.LongPtr++;
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467 | pStr++;
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468 | continue;
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469 |
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470 | case 'l':
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471 | pStr++;
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472 | switch (*pStr)
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473 | {
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474 | case 'x':
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475 | case 'X':
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476 | BuildPtr=HexLongToASCII(BuildPtr, *Parm.LongPtr++,wBuildOption);
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477 | pStr++;
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478 | continue;
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479 |
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480 | case 'd':
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481 | BuildPtr=DecLongToASCII(BuildPtr, *Parm.LongPtr++,wBuildOption);
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482 | pStr++;
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483 | continue;
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484 | } // end switch
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485 | continue; // dunno what he wants
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486 |
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487 | case 0:
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488 | continue;
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489 | } // end switch
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490 | break;
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491 |
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492 | case '\\':
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493 | pStr++;
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494 | switch (*pStr)
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495 | {
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496 | case 'n':
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497 | *BuildPtr++=LF;
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498 | pStr++;
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499 | continue;
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500 |
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501 | case 'r':
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502 | *BuildPtr++=CR;
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503 | pStr++;
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504 | continue;
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505 |
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506 | case 0:
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507 | continue;
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508 | break;
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509 | } // end switch
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510 |
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511 | break;
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512 | } // end switch
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513 |
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514 | *BuildPtr++=*pStr++;
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515 | } // end while
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516 |
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517 | *BuildPtr=0; // cauterize the string
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518 | StringOut((char *) BuildString);
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519 | #endif //DEBUG
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520 | }
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521 |
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522 | struct snd_info_buffer {
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523 | char *buffer; /* pointer to begin of buffer */
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524 | char *curr; /* current position in buffer */
|
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525 | unsigned long size; /* current size */
|
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526 | unsigned long len; /* total length of buffer */
|
---|
527 | int stop; /* stop flag */
|
---|
528 | int error; /* error code */
|
---|
529 | };
|
---|
530 |
|
---|
531 | typedef struct snd_info_buffer snd_info_buffer_t;
|
---|
532 |
|
---|
533 | int snd_iprintf(snd_info_buffer_t * buffer, char *fmt,...)
|
---|
534 | {
|
---|
535 | char *BuildPtr=buffer->curr;
|
---|
536 | char *pStr=(char *) fmt;
|
---|
537 | char *SubStr;
|
---|
538 | int res;
|
---|
539 | union {
|
---|
540 | void *VoidPtr;
|
---|
541 | USHORT *WordPtr;
|
---|
542 | ULONG *LongPtr;
|
---|
543 | ULONG *StringPtr;
|
---|
544 | } Parm;
|
---|
545 | USHORT wBuildOption;
|
---|
546 |
|
---|
547 | Parm.VoidPtr=(void *) &fmt;
|
---|
548 | Parm.StringPtr++; // skip size of string pointer
|
---|
549 |
|
---|
550 | if (buffer->stop || buffer->error)
|
---|
551 | return 0;
|
---|
552 |
|
---|
553 | while (*pStr)
|
---|
554 | {
|
---|
555 | // don't overflow target
|
---|
556 | if (BuildPtr >= (char *) &buffer->curr[buffer->len - 4])
|
---|
557 | break;
|
---|
558 |
|
---|
559 | switch (*pStr)
|
---|
560 | {
|
---|
561 | case '%':
|
---|
562 | wBuildOption=0;
|
---|
563 | pStr++;
|
---|
564 | if (*pStr=='0')
|
---|
565 | {
|
---|
566 | wBuildOption|=LEADING_ZEROES;
|
---|
567 | pStr++;
|
---|
568 | }
|
---|
569 | // if (*pStr=='u') // always unsigned
|
---|
570 | // pStr++;
|
---|
571 | if (*pStr=='#')
|
---|
572 | pStr++;
|
---|
573 |
|
---|
574 | switch(*pStr)
|
---|
575 | {
|
---|
576 | case 'x':
|
---|
577 | case 'X':
|
---|
578 | case 'p':
|
---|
579 | case 'P':
|
---|
580 | BuildPtr=HexLongToASCII(BuildPtr, *Parm.LongPtr++,wBuildOption);
|
---|
581 | pStr++;
|
---|
582 | continue;
|
---|
583 |
|
---|
584 | case 'd':
|
---|
585 | case 'u':
|
---|
586 | BuildPtr=DecLongToASCII(BuildPtr, *Parm.LongPtr++,wBuildOption);
|
---|
587 | pStr++;
|
---|
588 | continue;
|
---|
589 |
|
---|
590 | case 's':
|
---|
591 | SubStr=(char *)*Parm.StringPtr;
|
---|
592 | while (*BuildPtr++ = *SubStr++);
|
---|
593 | Parm.StringPtr++;
|
---|
594 | BuildPtr--; // remove the \0
|
---|
595 | pStr++;
|
---|
596 | continue;
|
---|
597 |
|
---|
598 | case 'c':
|
---|
599 | *BuildPtr++ = (char)*Parm.LongPtr;
|
---|
600 | Parm.LongPtr++;
|
---|
601 | pStr++;
|
---|
602 | continue;
|
---|
603 |
|
---|
604 | case 'l':
|
---|
605 | pStr++;
|
---|
606 | switch (*pStr)
|
---|
607 | {
|
---|
608 | case 'x':
|
---|
609 | case 'X':
|
---|
610 | BuildPtr=HexLongToASCII(BuildPtr, *Parm.LongPtr++,wBuildOption);
|
---|
611 | pStr++;
|
---|
612 | continue;
|
---|
613 |
|
---|
614 | case 'd':
|
---|
615 | BuildPtr=DecLongToASCII(BuildPtr, *Parm.LongPtr++,wBuildOption);
|
---|
616 | pStr++;
|
---|
617 | continue;
|
---|
618 | } // end switch
|
---|
619 | continue; // dunno what he wants
|
---|
620 |
|
---|
621 | case 0:
|
---|
622 | continue;
|
---|
623 | } // end switch
|
---|
624 | break;
|
---|
625 |
|
---|
626 | case '\\':
|
---|
627 | pStr++;
|
---|
628 | switch (*pStr)
|
---|
629 | {
|
---|
630 | case 'n':
|
---|
631 | *BuildPtr++=LF;
|
---|
632 | pStr++;
|
---|
633 | continue;
|
---|
634 |
|
---|
635 | case 'r':
|
---|
636 | *BuildPtr++=CR;
|
---|
637 | pStr++;
|
---|
638 | continue;
|
---|
639 |
|
---|
640 | case 0:
|
---|
641 | continue;
|
---|
642 | break;
|
---|
643 | } // end switch
|
---|
644 |
|
---|
645 | break;
|
---|
646 | } // end switch
|
---|
647 |
|
---|
648 | *BuildPtr++=*pStr++;
|
---|
649 | } // end while
|
---|
650 |
|
---|
651 | *BuildPtr=0; // cauterize the string
|
---|
652 |
|
---|
653 | res = strlen(buffer->curr);
|
---|
654 | if (buffer->size + res >= buffer->len) {
|
---|
655 | buffer->stop = 1;
|
---|
656 | return 0;
|
---|
657 | }
|
---|
658 | buffer->curr += res;
|
---|
659 | buffer->size += res;
|
---|
660 | return res;
|
---|
661 | }
|
---|
662 |
|
---|