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Rev | Author | Line No. | Line |
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1 | ha | 1 | ; |
2 | ; MEMORY MAP |
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3 | ; |
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4 | ; Boot: |
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5 | ; |
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6 | ; 0:9000 byte bits per pixel |
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7 | ; 0:9001 word scanline length |
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8 | ; 0:9008 word vesa video mode |
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9 | ; 0:900A word X res |
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10 | ; 0:900C word Y res |
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11 | ; 0:9010 byte mouse port - not used |
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12 | ; 0:9014 dword Vesa 1.2 pm bank switch |
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13 | ; 0:9018 dword Vesa 2.0 LFB address |
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14 | ; 0:901C byte 0 or 1 : enable MTRR graphics acceleration |
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15 | ; 0:901D byte not used anymore (0 or 1 : enable system log display) |
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16 | ; 0:901E byte 0 or 1 : enable direct lfb write, paging disabled |
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346 | diamond | 17 | ; 0:901F byte DMA write : 1=yes, 2=no |
1 | ha | 18 | ; 0:9020 8bytes pci data |
19 | ; 0:9030 byte VRR start enabled 1, 2-no |
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20 | ; 0:9031 word IDEContrRegsBaseAddr |
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76 | mario79 | 21 | ; 0x9040 - dword - entry point of APM BIOS |
22 | ; 0x9044 - word - version (BCD) |
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23 | ; 0x9046 - word - flags |
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1 | ha | 24 | ; |
25 | ; Runtime: |
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26 | ; |
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465 | serge | 27 | ; 0x00000000 -> 0x7FFFFFFF application 2Gb |
28 | |||
29 | ; 0x80000000 -> 1FFF window_data - 256 entries |
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1 | ha | 30 | ; |
31 | ; 0000 dword x start |
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32 | ; 0004 dword y start |
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33 | ; 0008 dword x size |
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34 | ; 000C dword y size |
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35 | ; 0010 dword color of work area |
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36 | ; 0014 dword color of grab bar |
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37 | ; 0018 dword color of frames |
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38 | ; 001C dword window flags, +30 = window drawn, +31 redraw flag |
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39 | ; |
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14 | poddubny | 40 | ; 2000 -> 2FFF free |
41 | ; |
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1 | ha | 42 | ; 3000 -> 4FFF task list - 256 entries |
43 | ; |
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44 | ; 00 dword process count |
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45 | ; 04 dword no of processes |
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46 | ; 10 dword base of running process at 0x3000+ |
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47 | ; |
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48 | ; 20 dword application event mask |
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49 | ; 24 dword PID - process identification number |
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115 | poddubny | 50 | ; 2a byte slot state: 0=running, 1,2=suspended |
51 | ; 3=zombie, 4=terminate, |
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52 | ; 5=waiting for event, 9 = not used |
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1 | ha | 53 | ; 2e byte window number on screen |
54 | ; 30 dword exact position in memory |
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55 | ; 34 dword counter sum |
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56 | ; 38 dword time stamp counter add |
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57 | ; 3c dword cpu usage in cpu timer tics |
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58 | ; |
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59 | ; |
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314 | diamond | 60 | ; 5000 -> 68FF free |
1 | ha | 61 | ; 6900 -> 6EFF saved picture under mouse pointer |
62 | ; |
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33 | mario79 | 63 | ; 6F00 -> 6FFF free |
1 | ha | 64 | ; |
33 | mario79 | 65 | ; 7000 -> 7FFF used CD driver |
66 | ; |
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1 | ha | 67 | ; 8000 -> A3FF used FLOPPY driver |
68 | ; |
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102 | poddubny | 69 | ; A400 -> B0FF free |
8 | poddubny | 70 | |
1 | ha | 71 | ; B100 -> B2FF IDT |
72 | |||
8 | poddubny | 73 | ; B300 -> BFFF free |
74 | |||
1 | ha | 75 | ; C000 -> C3FF window stack C000 no of windows - all in words |
76 | ; C402 -> C7FF window position in stack |
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77 | ; D000 -> D1FF FDC controller |
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78 | ; D200 -> D3FF FDC controller for Fat12 |
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79 | ; D400 -> DFFF free |
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80 | ; E000 byte multitasking started |
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81 | ; E020 dword putpixel address |
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82 | ; E024 dword getpixel address |
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83 | ; E030 dword Vesa 1.2 pm bank switch address |
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84 | ; F200 dword mousepicture -pointer |
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85 | ; F204 dword mouse appearance counter |
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86 | ; F300 dword x & y temp for windowmove |
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87 | ; F400 byte no of keys in buffer |
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88 | ; F401 byte 'buffer' |
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89 | ; F402 -> F4FF reserved for keys |
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90 | ; F500 byte no of buttons in buffer |
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91 | ; F501 dword 'buffer' |
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92 | ; F502 -> F5FF reserved for buttons |
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93 | ; F600 dword tsc / second |
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94 | ; F604 byte mouse port: 1 ps2, 2 com1, 3 com2 |
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95 | ; FB00 -> FB0F mouse memory 00 chunk count - FB0A-B x - FB0C-D y |
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96 | ; FB10 -> FB17 mouse color mem |
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97 | ; FB21 x move |
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98 | ; FB22 y move |
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99 | ; FB28 high bits temp |
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100 | ; FB30 color temp |
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101 | ; FB40 byte buttons down |
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102 | ; FB44 byte 0 mouse down -> do not draw |
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103 | ; FB4A -> FB4D FB4A-B x-under - FB4C-D y-under |
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104 | ; FBF1 byte bits per pixel |
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105 | ; FC00 -> FCFE com1/ps2 buffer |
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106 | ; FCFF com1/ps2 buffer count starting from FC00 |
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107 | ; FE00 dword screen x size |
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108 | ; FE04 dword screen y size |
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109 | ; FE08 dword screen y multiplier |
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110 | ; FE0C dword screen mode |
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111 | ; FE80 dword address of LFB in physical |
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112 | ; FE84 dword address of applications memory start in physical |
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113 | ; FE88 dword address of button list |
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114 | ; FE8C dword memory to use |
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115 | ; FF00 byte 1 = system shutdown request |
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105 | poddubny | 116 | ; FF01 dword free |
1 | ha | 117 | ; FFF0 byte 1 = redraw background request from app |
118 | ; FFF1 byte 1 = diskette int occur |
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119 | ; FFF2 write and read bank in screen |
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120 | ; FFF4 byte 0 if first mouse draw & do not return picture under |
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121 | ; FFF5 byte 1 do not draw pointer |
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122 | ; FFFF byte do not change task for 1/100 sec. |
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123 | ; |
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516 | serge | 124 | ; 0x80010000 -> 6CBFF kernel, 32-bit run-time code (up to 371 Kb) |
22 | poddubny | 125 | |
516 | serge | 126 | ; 0x8006CC00 -> 6DBFF stack at boot time (4Kb) |
127 | ; |
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128 | ; 0x8006DC00 -> 6E5FF basic text font II |
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129 | ; 0x8006E600 -> 6Efff basic text font I |
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130 | ; 0x8006F000 -> 6FFFF main page directory |
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22 | poddubny | 131 | |
516 | serge | 132 | ; 0x80070000 -> 7FFFF data of retrieved disks and partitions (Mario79) |
465 | serge | 133 | ; 0x80080000 -> 8FFFF additional app info, in 256 byte steps - 256 entries |
1 | ha | 134 | ; |
465 | serge | 135 | ; 00 11db name of app running |
136 | ; 0x10 dword pointer to fpu save area |
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137 | ; 0x14 dword event count |
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138 | ; 0x18 dword user fpu exceptoins handler |
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139 | ; 0x1c dword user sse exceptions handler |
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140 | ; 20 dword PL0 stack base |
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141 | ; 24 dword user heap base |
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142 | ; 28 dword user heap top |
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143 | ; 2c dword window cursor handle |
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144 | ; 30 dword first event in list |
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145 | ; 34 dword last event in list |
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146 | ; 38 dword first kernel object in list |
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147 | ; 3c dword last kernel object in list |
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148 | ; 40 dword thread esp |
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149 | ; 44 dword io permission map page 0 |
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150 | ; 48 dword io permission map page 1 |
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151 | 4c dword debug state: 1= load debug registers |
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152 | ; 50-7F unused |
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1 | ha | 153 | ; |
465 | serge | 154 | ; 80 dword address of random shaped window area |
155 | ; 84 byte shape area scale |
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156 | ; 88 dword free |
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157 | ; 8C dword application memory size |
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158 | ; 90 dword window X position save |
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159 | ; 94 dword window Y position save |
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160 | ; 98 dword window X size save |
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161 | ; 9C dword window Y size save |
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162 | ; A0 dword IPC memory start |
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163 | ; A4 dword IPC memory size |
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164 | ; A8 dword event bits: mouse, stack,.. |
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165 | ; AC dword 0 or debugger slot |
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166 | ; B0 dword free |
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167 | ; B4 byte keyboard mode: 0 = keymap, 1 = scancodes |
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168 | ; B8 dword physical address of directory table |
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169 | ; BC dword address of debug event memory |
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170 | ; C0 5 dd thread debug registers: DR0,DR1,DR2,DR3,DR7 |
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1 | ha | 171 | ; |
465 | serge | 172 | ; 0x80090000 -> 9FFFF tmp |
173 | ; 0x800A0000 -> AFFFF screen access area |
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174 | ; 0x800B0000 -> FFFFF bios rest in peace -area |
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175 | ; 0x80100000 -> 27FFFF diskette image |
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176 | ; 0x80280000 -> 281FFF ramdisk fat |
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177 | ; 0x80282000 -> 283FFF floppy fat |
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1 | ha | 178 | ; |
465 | serge | 179 | ; 0x80284000 -> 29FFFF free (112 Kb) |
1 | ha | 180 | ; |
465 | serge | 181 | ; 0x802A0000 -> 2B00ff wav device data |
182 | ; 0x802C0000 -> 2C3fff button info |
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183 | ; |
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184 | ; 0000 word number of buttons |
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1 | ha | 185 | ; first button entry at 0x10 |
465 | serge | 186 | ; +0000 word process number |
187 | ; +0002 word button id number : bits 00-15 |
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188 | ; +0004 word x start |
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189 | ; +0006 word x size |
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190 | ; +0008 word y start |
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191 | ; +000A word y size |
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192 | ; +000C word button id number : bits 16-31 |
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1 | ha | 193 | ; |
465 | serge | 194 | ; 0x802C4000 -> 2CFFFF free (48Kb) |
22 | poddubny | 195 | ; |
465 | serge | 196 | ; 0x802D0000 -> 2DFFFF reserved port area |
1 | ha | 197 | ; |
465 | serge | 198 | ; 0000 dword no of port areas reserved |
199 | ; 0010 dword process id |
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200 | ; dword start port |
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201 | ; dword end port |
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202 | ; dword 0 |
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1 | ha | 203 | ; |
465 | serge | 204 | ; 0x802E0000 -> 2EFFFF irq data area |
205 | ; 0x802F0000 -> 2FFFFF low memory save |
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1 | ha | 206 | ; |
513 | serge | 207 | ; 0x80300000 -> 400000 hd cache |
208 | |||
209 | ; 0x80400000 -> 41FFFF tcp memory 128 Kb |
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210 | ; 0x80420000 -> 427FFF tcp memory 32 Kb |
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1 | ha | 211 | ; |
513 | serge | 212 | ; 0x80428000 -> 42FFFF !vrr driver 32 Kb |
213 | |||
214 | ; 0x80430000 -> 477FFF skin data |
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215 | |||
216 | ; 0x80438000 -> 43AFFF draw data - 256 entries |
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1 | ha | 217 | ; 00 dword draw limit - x start |
218 | ; 04 dword draw limit - y start |
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219 | ; 08 dword draw limit - x end |
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220 | ; 0C dword draw limit - y end |
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513 | serge | 221 | |
222 | ; 0x8043BF80 -> 43BFFF TSS 128 bytes |
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223 | ; 0x8043C000 -> 43DFFF IO map for (8192*8)=65536 ports |
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224 | |||
225 | ; 0x8043F000 -> 57EFFF display info |
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226 | ; 0x8057F000 -> 58FFFF page map max 128 Kb |
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1 | ha | 227 | ; |
513 | serge | 228 | ; 0x80800000 -> kernel heap |
465 | serge | 229 | ; 0x81FFFFFF heap min limit |
230 | ; 0xFDBFFFFF heap max limit |
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1 | ha | 231 | |
465 | serge | 232 | ; 0xFDC00000 -> 0xFDFFFFFF page tables 4Mb |
233 | ; 0xFE000000 -> 0xFFFFFFFF LFB 32Mb |
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234 | ; 0xFE000000 -> 0xFE7FFFFF application available LFB 8Mb |
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235 | ; 0xFE800000 -> 0xFFFFFFFF kernel LFB part 24 Mb |
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1 | ha | 236 |