Rev 1103 | Rev 1388 | Go to most recent revision | Details | Compare with Previous | Last modification | View Log | RSS feed
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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709 | diamond | 24 | ; 0:907F byte number of BIOS hard disks |
25 | ; 0:9080 Nbytes BIOS hard disks |
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1103 | diamond | 26 | ; 0:9100 word available physical memory map: number of blocks |
27 | ; 0:9104 available physical memory map: blocks |
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1 | ha | 28 | ; |
29 | ; Runtime: |
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30 | ; |
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465 | serge | 31 | ; 0x00000000 -> 0x7FFFFFFF application 2Gb |
32 | |||
1172 | diamond | 33 | ; 0x80000000 -> 0FFF physical page zero - do not write |
34 | ; (used by int 13h in some configurations) |
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1 | ha | 35 | ; |
1172 | diamond | 36 | ; 0x80001000 -> 2FFF window_data - 256 entries |
37 | ; |
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1 | ha | 38 | ; 0000 dword x start |
39 | ; 0004 dword y start |
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40 | ; 0008 dword x size |
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41 | ; 000C dword y size |
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42 | ; 0010 dword color of work area |
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43 | ; 0014 dword color of grab bar |
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44 | ; 0018 dword color of frames |
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45 | ; 001C dword window flags, +30 = window drawn, +31 redraw flag |
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46 | ; |
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47 | ; 3000 -> 4FFF task list - 256 entries |
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48 | ; |
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49 | ; 00 dword process count |
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50 | ; 04 dword no of processes |
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51 | ; 10 dword base of running process at 0x3000+ |
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52 | ; |
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53 | ; 20 dword application event mask |
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54 | ; 24 dword PID - process identification number |
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115 | poddubny | 55 | ; 2a byte slot state: 0=running, 1,2=suspended |
56 | ; 3=zombie, 4=terminate, |
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57 | ; 5=waiting for event, 9 = not used |
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1 | ha | 58 | ; 2e byte window number on screen |
59 | ; 30 dword exact position in memory |
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60 | ; 34 dword counter sum |
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61 | ; 38 dword time stamp counter add |
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62 | ; 3c dword cpu usage in cpu timer tics |
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63 | ; |
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64 | ; |
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314 | diamond | 65 | ; 5000 -> 68FF free |
1 | ha | 66 | ; 6900 -> 6EFF saved picture under mouse pointer |
67 | ; |
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33 | mario79 | 68 | ; 6F00 -> 6FFF free |
1 | ha | 69 | ; |
33 | mario79 | 70 | ; 7000 -> 7FFF used CD driver |
71 | ; |
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1 | ha | 72 | ; 8000 -> A3FF used FLOPPY driver |
73 | ; |
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102 | poddubny | 74 | ; A400 -> B0FF free |
8 | poddubny | 75 | |
1056 | Galkov | 76 | ; B100 -> B307 IDT for int_0x00..int_0x40 |
1 | ha | 77 | |
1056 | Galkov | 78 | ; B308 -> BFFF free |
8 | poddubny | 79 | |
1 | ha | 80 | ; C000 -> C3FF window stack C000 no of windows - all in words |
81 | ; C402 -> C7FF window position in stack |
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82 | ; D000 -> D1FF FDC controller |
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83 | ; D200 -> D3FF FDC controller for Fat12 |
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84 | ; D400 -> DFFF free |
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85 | ; E000 byte multitasking started |
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86 | ; E020 dword putpixel address |
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87 | ; E024 dword getpixel address |
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88 | ; E030 dword Vesa 1.2 pm bank switch address |
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89 | ; F200 dword mousepicture -pointer |
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90 | ; F204 dword mouse appearance counter |
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91 | ; F300 dword x & y temp for windowmove |
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92 | ; F400 byte no of keys in buffer |
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93 | ; F401 byte 'buffer' |
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94 | ; F402 -> F4FF reserved for keys |
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95 | ; F500 byte no of buttons in buffer |
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96 | ; F501 dword 'buffer' |
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97 | ; F502 -> F5FF reserved for buttons |
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98 | ; F600 dword tsc / second |
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99 | ; F604 byte mouse port: 1 ps2, 2 com1, 3 com2 |
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100 | ; FB00 -> FB0F mouse memory 00 chunk count - FB0A-B x - FB0C-D y |
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101 | ; FB10 -> FB17 mouse color mem |
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102 | ; FB21 x move |
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103 | ; FB22 y move |
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104 | ; FB28 high bits temp |
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105 | ; FB30 color temp |
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106 | ; FB40 byte buttons down |
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107 | ; FB44 byte 0 mouse down -> do not draw |
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108 | ; FB4A -> FB4D FB4A-B x-under - FB4C-D y-under |
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109 | ; FBF1 byte bits per pixel |
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110 | ; FC00 -> FCFE com1/ps2 buffer |
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111 | ; FCFF com1/ps2 buffer count starting from FC00 |
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112 | ; FE00 dword screen x size |
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113 | ; FE04 dword screen y size |
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114 | ; FE08 dword screen y multiplier |
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115 | ; FE0C dword screen mode |
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116 | ; FE80 dword address of LFB in physical |
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117 | ; FE84 dword address of applications memory start in physical |
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118 | ; FE88 dword address of button list |
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119 | ; FE8C dword memory to use |
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120 | ; FF00 byte 1 = system shutdown request |
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105 | poddubny | 121 | ; FF01 dword free |
1 | ha | 122 | ; FFF0 byte 1 = redraw background request from app |
123 | ; FFF1 byte 1 = diskette int occur |
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124 | ; FFF2 write and read bank in screen |
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125 | ; FFF4 byte 0 if first mouse draw & do not return picture under |
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126 | ; FFF5 byte 1 do not draw pointer |
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127 | ; FFFF byte do not change task for 1/100 sec. |
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128 | ; |
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516 | serge | 129 | ; 0x80010000 -> 6CBFF kernel, 32-bit run-time code (up to 371 Kb) |
22 | poddubny | 130 | |
516 | serge | 131 | ; 0x8006CC00 -> 6DBFF stack at boot time (4Kb) |
132 | ; |
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133 | ; 0x8006DC00 -> 6E5FF basic text font II |
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134 | ; 0x8006E600 -> 6Efff basic text font I |
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135 | ; 0x8006F000 -> 6FFFF main page directory |
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22 | poddubny | 136 | |
516 | serge | 137 | ; 0x80070000 -> 7FFFF data of retrieved disks and partitions (Mario79) |
465 | serge | 138 | ; 0x80080000 -> 8FFFF additional app info, in 256 byte steps - 256 entries |
1 | ha | 139 | ; |
465 | serge | 140 | ; 00 11db name of app running |
141 | ; 0x10 dword pointer to fpu save area |
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142 | ; 0x14 dword event count |
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143 | ; 0x18 dword user fpu exceptoins handler |
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144 | ; 0x1c dword user sse exceptions handler |
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145 | ; 20 dword PL0 stack base |
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146 | ; 24 dword user heap base |
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147 | ; 28 dword user heap top |
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148 | ; 2c dword window cursor handle |
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149 | ; 30 dword first event in list |
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150 | ; 34 dword last event in list |
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151 | ; 38 dword first kernel object in list |
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152 | ; 3c dword last kernel object in list |
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153 | ; 40 dword thread esp |
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154 | ; 44 dword io permission map page 0 |
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155 | ; 48 dword io permission map page 1 |
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540 | victor | 156 | ; 4c dword debug state: 1= load debug registers |
709 | diamond | 157 | ; 50 dword current directory ptr |
158 | ; 54 dword wait timeout |
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159 | ; 58 dword thread TSS._esp0 (= pl0 stack base + size except for V86) |
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160 | ; 5C-7F unused |
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1 | ha | 161 | ; |
465 | serge | 162 | ; 80 dword address of random shaped window area |
163 | ; 84 byte shape area scale |
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164 | ; 88 dword free |
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165 | ; 8C dword application memory size |
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166 | ; 90 dword window X position save |
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167 | ; 94 dword window Y position save |
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168 | ; 98 dword window X size save |
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169 | ; 9C dword window Y size save |
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170 | ; A0 dword IPC memory start |
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171 | ; A4 dword IPC memory size |
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172 | ; A8 dword event bits: mouse, stack,.. |
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173 | ; AC dword 0 or debugger slot |
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174 | ; B0 dword free |
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175 | ; B4 byte keyboard mode: 0 = keymap, 1 = scancodes |
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176 | ; B8 dword physical address of directory table |
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177 | ; BC dword address of debug event memory |
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178 | ; C0 5 dd thread debug registers: DR0,DR1,DR2,DR3,DR7 |
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1 | ha | 179 | ; |
465 | serge | 180 | ; 0x80090000 -> 9FFFF tmp |
181 | ; 0x800A0000 -> AFFFF screen access area |
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182 | ; 0x800B0000 -> FFFFF bios rest in peace -area |
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183 | ; 0x80100000 -> 27FFFF diskette image |
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184 | ; 0x80280000 -> 281FFF ramdisk fat |
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185 | ; 0x80282000 -> 283FFF floppy fat |
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1 | ha | 186 | ; |
580 | mario79 | 187 | ; 0x80284000 -> 28BFFF HDD DMA AREA |
188 | ; 0x8028C000 -> 297FFF free (48 Kb) |
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1 | ha | 189 | ; |
555 | diamond | 190 | ; 0x80298000 -> 29ffff auxiliary table for background smoothing code |
191 | ; |
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465 | serge | 192 | ; 0x802A0000 -> 2B00ff wav device data |
193 | ; 0x802C0000 -> 2C3fff button info |
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194 | ; |
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195 | ; 0000 word number of buttons |
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1 | ha | 196 | ; first button entry at 0x10 |
465 | serge | 197 | ; +0000 word process number |
198 | ; +0002 word button id number : bits 00-15 |
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199 | ; +0004 word x start |
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200 | ; +0006 word x size |
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201 | ; +0008 word y start |
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202 | ; +000A word y size |
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203 | ; +000C word button id number : bits 16-31 |
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1 | ha | 204 | ; |
465 | serge | 205 | ; 0x802C4000 -> 2CFFFF free (48Kb) |
22 | poddubny | 206 | ; |
465 | serge | 207 | ; 0x802D0000 -> 2DFFFF reserved port area |
1 | ha | 208 | ; |
465 | serge | 209 | ; 0000 dword no of port areas reserved |
210 | ; 0010 dword process id |
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211 | ; dword start port |
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212 | ; dword end port |
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213 | ; dword 0 |
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1 | ha | 214 | ; |
465 | serge | 215 | ; 0x802E0000 -> 2EFFFF irq data area |
216 | ; 0x802F0000 -> 2FFFFF low memory save |
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1 | ha | 217 | ; |
581 | serge | 218 | ; 0x80300000 -> 31FFFF tcp memory 128 Kb |
219 | ; 0x80320000 -> 327FFF tcp memory 32 Kb |
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1 | ha | 220 | ; |
581 | serge | 221 | ; 0x80328000 -> 32FFFF !vrr driver 32 Kb |
513 | serge | 222 | |
581 | serge | 223 | ; 0x80330000 -> 377FFF skin data |
513 | serge | 224 | |
581 | serge | 225 | ; 0x80338000 -> 33AFFF draw data - 256 entries |
1 | ha | 226 | ; 00 dword draw limit - x start |
227 | ; 04 dword draw limit - y start |
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228 | ; 08 dword draw limit - x end |
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229 | ; 0C dword draw limit - y end |
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513 | serge | 230 | |
581 | serge | 231 | ; 0x8033C000 -> 47BFFF display info |
513 | serge | 232 | |
581 | serge | 233 | ; 0x8047CF80 -> 47CFFF TSS 128 bytes |
234 | ; 0x8047D000 -> 47EFFF IO map for (8192*8)=65536 ports |
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235 | |||
236 | ; 0x8047F000 -> 48FFFF page map max 128 Kb |
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1 | ha | 237 | ; |
581 | serge | 238 | |
513 | serge | 239 | ; 0x80800000 -> kernel heap |
465 | serge | 240 | ; 0x81FFFFFF heap min limit |
241 | ; 0xFDBFFFFF heap max limit |
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1 | ha | 242 | |
465 | serge | 243 | ; 0xFDC00000 -> 0xFDFFFFFF page tables 4Mb |
244 | ; 0xFE000000 -> 0xFFFFFFFF LFB 32Mb |
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245 | ; 0xFE000000 -> 0xFE7FFFFF application available LFB 8Mb |
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246 | ; 0xFE800000 -> 0xFFFFFFFF kernel LFB part 24 Mb |
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1 | ha | 247 |