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2288 | clevermous | 1 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
2 | ;; ;; |
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5363 | yogev_ezra | 3 | ;; Copyright (C) KolibriOS team 2004-2015. All rights reserved. ;; |
2288 | clevermous | 4 | ;; Distributed under terms of the GNU General Public License ;; |
5 | ;; ;; |
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6 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
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7 | |||
8 | $Revision: 5363 $ |
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9 | |||
10 | |||
11 | ;setting date,time,clock and alarm-clock |
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12 | ;add sys_settime at servetable as for ex. 22 fcn: |
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13 | ; 22 - SETTING DATE TIME, CLOCK AND ALARM-CLOCK |
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14 | ; ebx =0 - set time ecx - 00SSMMHH |
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15 | ; ebx =1 - set date ecx=00DDMMYY |
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16 | ; ebx =2 - set day of week ecx- 1-7 |
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17 | ; ebx =3 - set alarm-clock ecx - 00SSMMHH |
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18 | ; out: 0 -Ok 1 -wrong format 2 -battery low |
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19 | sys_settime: |
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20 | |||
21 | cli |
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22 | mov al, 0x0d |
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23 | out 0x70, al |
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24 | in al, 0x71 |
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25 | bt ax, 7 |
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26 | jnc bat_low |
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27 | cmp ebx, 2;day of week |
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28 | jne nosetweek |
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29 | test ecx, ecx ;test day of week |
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30 | je wrongtime |
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31 | cmp ecx, 7 |
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32 | ja wrongtime |
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33 | mov edx, 0x70 |
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34 | call startstopclk |
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35 | dec edx |
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36 | mov al, 6 |
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37 | out dx, al |
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38 | inc edx |
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39 | mov al, cl |
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40 | out dx, al |
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41 | jmp endsettime |
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42 | nosetweek: ;set date |
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43 | cmp ebx, 1 |
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44 | jne nosetdate |
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45 | cmp cl, 0x99;test year |
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46 | ja wrongtime |
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47 | shl ecx, 4 |
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48 | cmp cl, 0x90 |
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49 | ja wrongtime |
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50 | cmp ch, 0x99;test month |
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51 | ja wrongtime |
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52 | shr ecx, 4 |
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53 | test ch, ch |
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54 | je wrongtime |
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55 | cmp ch, 0x12 |
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56 | ja wrongtime |
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57 | shl ecx, 8 |
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58 | bswap ecx ;ebx=00YYMMDD |
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59 | test cl, cl ;test day |
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60 | je wrongtime |
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61 | shl ecx, 4 |
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62 | cmp cl, 0x90 |
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63 | ja wrongtime |
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64 | shr ecx, 4 |
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65 | cmp ch, 2 ;February |
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66 | jne testday |
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67 | cmp cl, 0x29 |
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68 | ja wrongtime |
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69 | jmp setdate |
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70 | testday: |
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71 | cmp ch, 8 |
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72 | jb testday1;Aug-Dec |
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73 | bt cx, 8 |
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74 | jnc days31 |
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75 | jmp days30 |
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76 | testday1: |
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77 | bt cx, 8 ;Jan-Jul ex.Feb |
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78 | jnc days30 |
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79 | days31: |
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80 | cmp cl, 0x31 |
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81 | ja wrongtime |
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82 | jmp setdate |
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83 | days30: |
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84 | cmp cl, 0x30 |
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85 | ja wrongtime |
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86 | setdate: |
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87 | mov edx, 0x70 |
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88 | call startstopclk |
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89 | dec edx |
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90 | mov al, 7 ;set days |
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91 | out dx, al |
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92 | inc edx |
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93 | mov al, cl |
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94 | out dx, al |
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95 | dec edx |
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96 | mov al, 8 ;set months |
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97 | out dx, al |
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98 | inc edx |
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99 | mov al, ch |
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100 | out dx, al |
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101 | dec edx |
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102 | mov al, 9 ;set years |
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103 | out dx, al |
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104 | inc edx |
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105 | shr ecx, 8 |
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106 | mov al, ch |
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107 | out dx, al |
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108 | jmp endsettime |
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109 | nosetdate: ;set time or alarm-clock |
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110 | cmp ebx, 3 |
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111 | ja wrongtime |
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112 | cmp cl, 0x23 |
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113 | ja wrongtime |
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114 | cmp ch, 0x59 |
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115 | ja wrongtime |
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116 | shl ecx, 4 |
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117 | cmp cl, 0x90 |
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118 | ja wrongtime |
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119 | cmp ch, 0x92 |
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120 | ja wrongtime |
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121 | shl ecx, 4 |
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122 | bswap ecx ;00HHMMSS |
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123 | cmp cl, 0x59 |
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124 | ja wrongtime |
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125 | shl ecx, 4 |
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126 | cmp cl, 0x90 |
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127 | ja wrongtime |
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128 | shr ecx, 4 |
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129 | |||
130 | mov edx, 0x70 |
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131 | call startstopclk |
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132 | dec edx |
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133 | cmp ebx, 3 |
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134 | |||
135 | je setalarm |
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136 | xor eax, eax;al=0-set seconds |
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137 | out dx, al |
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138 | inc edx |
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139 | mov al, cl |
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140 | out dx, al |
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141 | dec edx |
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142 | mov al, 2 ;set minutes |
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143 | out dx, al |
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144 | inc edx |
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145 | mov al, ch |
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146 | out dx, al |
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147 | dec edx |
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148 | mov al, 4 ;set hours |
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149 | out dx, al |
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150 | inc edx |
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151 | shr ecx, 8 |
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152 | mov al, ch |
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153 | out dx, al |
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154 | jmp endsettime |
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155 | setalarm: |
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156 | mov al, 1;set seconds for al. |
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157 | out dx, al |
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158 | inc edx |
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159 | mov al, cl |
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160 | out dx, al |
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161 | dec edx |
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162 | mov al, 3;set minutes for al. |
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163 | out dx, al |
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164 | inc edx |
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165 | mov al, ch |
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166 | out dx, al |
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167 | dec edx |
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168 | mov al, 5;set hours for al. |
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169 | out dx, al |
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170 | inc edx |
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171 | shr ecx, 8 |
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172 | mov al, ch |
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173 | out dx, al |
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174 | dec edx |
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175 | mov al, 0x0b;enable irq's |
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176 | out dx, al |
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177 | inc dx |
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178 | in al, dx |
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179 | bts ax, 5;set bit 5 |
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180 | out dx, al |
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181 | endsettime: |
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182 | dec edx |
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183 | call startstopclk |
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184 | sti |
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185 | and [esp+36-4], dword 0 |
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186 | ret |
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187 | bat_low: |
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188 | sti |
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189 | mov [esp+36-4], dword 2 |
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190 | ret |
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191 | wrongtime: |
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192 | sti |
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193 | mov [esp+36-4], dword 1 |
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194 | ret |
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195 | |||
196 | startstopclk: |
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197 | mov al, 0x0b |
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198 | out dx, al |
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199 | inc dx |
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200 | in al, dx |
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201 | btc ax, 7 |
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202 | out dx, al |
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203 | ret |