forked from KolibriOS/kolibrios
kernel: reduce DRIVE_DATA array. Now kernel can handle only 64 /hd and /cd partitions
git-svn-id: svn://kolibrios.org@3627 a494cfbc-eb01-0410-851d-a64ba20cac60
This commit is contained in:
Sergey Semyonov (Serge)
parent
61f55267ef
commit
f272bbb588
@ -179,6 +179,9 @@ struct TSS
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_io_map_1 rb 4096
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ends
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PARTITION_COUNT equ 64
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DRIVE_DATA_SIZE equ (16+PARTITION_COUNT*100)
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OS_BASE equ 0x80000000
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window_data equ (OS_BASE+0x0001000)
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@ -189,25 +192,13 @@ TASK_BASE equ (OS_BASE+0x0003010)
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TASK_DATA equ (OS_BASE+0x0003020)
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TASK_EVENT equ (OS_BASE+0x0003020)
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mouseunder equ (OS_BASE+0x0006900)
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CDDataBuf equ (OS_BASE+0x0007000)
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FLOPPY_BUFF equ (OS_BASE+0x0008000)
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ACTIVE_PROC_STACK equ (OS_BASE+0x000A400) ;unused
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idts equ (OS_BASE+0x000B100)
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WIN_STACK equ (OS_BASE+0x000C000)
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WIN_POS equ (OS_BASE+0x000C400)
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FDD_BUFF equ (OS_BASE+0x000D000)
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PUTPIXEL equ (OS_BASE+0x000E020)
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GETPIXEL equ (OS_BASE+0x000E024)
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;unused ? only one reference
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BANK_SWITCH equ (OS_BASE+0x000E030)
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;unused ? store mousepointer
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MOUSE_PICTURE equ (OS_BASE+0x000F200)
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;MOUSE_VISIBLE equ (OS_BASE+0x000F204)
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WIN_TEMP_XY equ (OS_BASE+0x000F300)
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KEY_COUNT equ (OS_BASE+0x000F400)
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KEY_BUFF equ (OS_BASE+0x000F401)
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@ -216,43 +207,19 @@ BTN_COUNT equ (OS_BASE+0x000F500)
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BTN_BUFF equ (OS_BASE+0x000F501)
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MOUSE_SCROLL_H equ (OS_BASE+0x000FB08)
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MOUSE_X equ (OS_BASE+0x000FB0A)
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MOUSE_Y equ (OS_BASE+0x000FB0C)
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MOUSE_SCROLL_V equ (OS_BASE+0x000FB0E)
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MOUSE_COLOR_MEM equ (OS_BASE+0x000FB10)
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COLOR_TEMP equ (OS_BASE+0x000FB30)
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BTN_DOWN equ (OS_BASE+0x000FB40)
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X_UNDER equ (OS_BASE+0x000FB4A)
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Y_UNDER equ (OS_BASE+0x000FB4C)
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;unused ? only one reference
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MOUSE_BUFF_COUNT equ (OS_BASE+0x000FCFF)
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LFBAddress equ (OS_BASE+0x000FE80)
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BTN_ADDR equ (OS_BASE+0x000FE88)
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MEM_AMOUNT equ (OS_BASE+0x000FE8C)
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SYS_SHUTDOWN equ (OS_BASE+0x000FF00)
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TASK_ACTIVATE equ (OS_BASE+0x000FF01)
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REDRAW_BACKGROUND equ (OS_BASE+0x000FFF0)
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BANK_RW equ (OS_BASE+0x000FFF2)
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TMP_STACK_TOP equ 0x006CC00
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sys_pgdir equ (OS_BASE+0x006F000)
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DRIVE_DATA equ (OS_BASE+0x0070000)
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SLOT_BASE equ (OS_BASE+0x0080000)
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;unused
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TMP_BUFF equ (OS_BASE+0x0090000)
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VGABasePtr equ (OS_BASE+0x00A0000)
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RAMDISK equ (OS_BASE+0x0100000)
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@ -323,6 +323,8 @@ tls_data_l:
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endofcode:
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gdte:
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diff16 "end of .data segment",0,$
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align 16
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cur_saved_data:
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rb 4096
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@ -364,11 +366,38 @@ _display display_t
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_WinMapAddress rd 1
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_WinMapSize rd 1
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LFBAddress rd 1
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Screen_Max_X rd 1
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Screen_Max_Y rd 1
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SCR_MODE rw 2
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PUTPIXEL rd 1
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GETPIXEL rd 1
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if VESA_1_2_VIDEO
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BANK_SWITCH rd 1 reserved for vesa 1.2
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BANK_RW rd 1
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end if
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REDRAW_BACKGROUND rb 4
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mouseunder rd 16*24
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MOUSE_PICTURE rd 1
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MOUSE_SCROLL_H rw 1
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MOUSE_X: rw 1
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MOUSE_Y: rw 1
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MOUSE_SCROLL_V rw 1
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X_UNDER rw 1
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Y_UNDER rw 1
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COLOR_TEMP rd 1
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MOUSE_COLOR_MEM rd 1
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BTN_DOWN: rb 4
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def_cursor rd 1
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def_cursor_clock rd 1
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current_cursor rd 1
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@ -513,5 +542,7 @@ NumBiosDisks rd 1
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BiosDisksData rb 200h
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BiosDiskCaches rb 80h*(cache_ide1-cache_ide0)
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BiosDiskPartitions rd 80h
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align 16
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DRIVE_DATA: rb DRIVE_DATA_SIZE
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IncludeUGlobals
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@ -15,7 +15,7 @@ $Revision$
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;***************************************************
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xor eax, eax
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mov edi, DRIVE_DATA
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mov ecx, 16384
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mov ecx, DRIVE_DATA_SIZE/4
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cld
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rep stosd
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@ -683,61 +683,43 @@ fs_NumCdServices = ($ - fs_CdServices)/4
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fs_HasRamdisk:
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mov al, 1 ; we always have ramdisk
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ret
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fs_HasFloppy:
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cmp byte [DRIVE_DATA], 0
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setnz al
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ret
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fs_HasHd0:
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mov al, [DRIVE_DATA+1]
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and al, 11000000b
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cmp al, 01000000b
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setz al
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test byte [DRIVE_DATA+1], 01000000b
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setnz al
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ret
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fs_HasHd1:
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mov al, [DRIVE_DATA+1]
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and al, 00110000b
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cmp al, 00010000b
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setz al
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test byte [DRIVE_DATA+1], 00010000b
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setnz al
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ret
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fs_HasHd2:
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mov al, [DRIVE_DATA+1]
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and al, 00001100b
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cmp al, 00000100b
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setz al
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test byte [DRIVE_DATA+1], 00000100b
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setnz al
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ret
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fs_HasHd3:
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mov al, [DRIVE_DATA+1]
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and al, 00000011b
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cmp al, 00000001b
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setz al
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test byte [DRIVE_DATA+1], 00000001b
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setnz al
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ret
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;*******************************************************
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fs_HasCd0:
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mov al, [DRIVE_DATA+1]
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and al, 11000000b
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cmp al, 10000000b
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setz al
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test byte [DRIVE_DATA+1], 10000000b
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setnz al
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ret
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fs_HasCd1:
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mov al, [DRIVE_DATA+1]
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and al, 00110000b
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cmp al, 00100000b
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setz al
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test byte [DRIVE_DATA+1], 00100000b
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setnz al
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ret
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fs_HasCd2:
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mov al, [DRIVE_DATA+1]
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and al, 00001100b
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cmp al, 00001000b
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setz al
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test byte [DRIVE_DATA+1], 00001000b
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setnz al
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ret
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fs_HasCd3:
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mov al, [DRIVE_DATA+1]
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and al, 00000011b
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cmp al, 00000010b
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setz al
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test byte [DRIVE_DATA+1], 00000010b
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setnz al
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ret
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;*******************************************************
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@ -75,6 +75,7 @@ $Revision$
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USE_COM_IRQ equ 1 ; make irq 3 and irq 4 available for PCI devices
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VESA_1_2_VIDEO equ 0 ; enable vesa 1.2 bank switch functions
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; Enabling the next line will enable serial output console
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;debug_com_base equ 0x3f8 ; 0x3f8 is com1, 0x2f8 is com2, 0x3e8 is com3, 0x2e8 is com4, no irq's are used
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@ -230,6 +231,10 @@ tmp_gdt:
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include "data16.inc"
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if ~ lang eq sp
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diff16 "end of bootcode",0,$+0x10000
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end if
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use32
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org $+0x10000
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@ -1241,13 +1246,10 @@ set_variables:
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xor eax, eax
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mov [BTN_ADDR], dword BUTTON_INFO ; address of button list
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mov byte [MOUSE_BUFF_COUNT], al ; mouse buffer
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mov byte [KEY_COUNT], al ; keyboard buffer
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mov byte [BTN_COUNT], al ; button buffer
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; mov [MOUSE_X],dword 100*65536+100 ; mouse x/y
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;!! IP 04.02.2005:
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; mov byte [DONT_SWITCH], al; change task if possible
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pop eax
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ret
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@ -2324,7 +2326,7 @@ sysfn_getdiskinfo: ; 18.11 = get disk info table
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dec ecx
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jnz exit_for_anyone
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call for_all_tables
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mov ecx, 16384
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mov ecx, DRIVE_DATA_SIZE/4
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cld
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rep movsd
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ret
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@ -5806,6 +5808,10 @@ scan_rsdp:
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ret
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end if
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if ~ lang eq sp
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diff16 "end of .text segment",0,$
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end if
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include "data32.inc"
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__REV__ = __REV
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