📄 memory.lst
字号:
Size: BYTE
--------S-M004000D5--------------------------
MEM 0040h:00D5h - Digiboard MV/4 - IRQ
Size: BYTE
--------d-M004000D5--------------------------
MEM 0040h:00D5h - EHD floppy - NUMBER OF FLOPPY DISK CONTROLLERS IN SYSTEM
Size: BYTE
--------b-M004000D5--------------------------
MEM 0040h:00D5h - AMI BIOS v1.00.12.AX1T - EPP - PARALLEL PORT 0 CAPABILITIES
Size: BYTE
SeeAlso: MEM 0040h:00D2h"AMI",MEM 0040h:00D6h"AMI",MEM 0040h:00D7h"AMI"
SeeAlso: MEM 0040h:00DCh"AMI"
--------d-M004000D6--------------------------
MEM 0040h:00D6h - EHD floppy - AND-BITS TO ADJUST PORT ADDRESS
Size: BYTE
Note: this byte contains FFh if controller at 03Fxh and 7Fh if at 037xh; the
value is ANDed with DL prior to using IN A?,DX or OUT DX,A?
instructions
--------K-M004000D6--------------------------
MEM 0040h:00D6h - Digiboard MV/4 - NUMBER OF KEYBOARDS FOUND
Size: WORD
SeeAlso: MEM 0040h:00D8h"Digiboard"
--------b-M004000D6--------------------------
MEM 0040h:00D6h - AMI BIOS v1.00.12.AX1T - EPP - PARALLEL PORT 0 IRQ
Size: BYTE
SeeAlso: MEM 0040h:00D2h"AMI",MEM 0040h:00D5h"AMI",MEM 0040h:00D8h"AMI"
SeeAlso: MEM 0040h:00DDh"AMI"
--------d-M004000D7--------------------------
MEM 0040h:00D7h - EHD floppy - DRIVE 0 DISKETTE MEDIA STATE
Size: BYTE
Note: the value in this byte is copied into 0040h:0090h (diskette 0 status)
SeeAlso: MEM 0040h:00D8h"EHD",MEM 0040h:00D9h"EHD",MEM 0040h:00DAh"EHD"
Bitfields for EHD diskette media state:
Bit(s) Description (Table M0052)
7-6 data rate: 00=500kbps,01=300kbps,10=250k,11=1M/S
5 double stepping required (e.g. 360kB in 1.2MB)
4 media type established
3 reserved
2-0 on exit from BIOS, contains:
000 trying 360kB in 360kB
001 trying 360kB in 1.2MB
010 trying 1.2MB in 1.2MB
011 360kB in 360kB established
100 360kB in 1.2MB established
101 1.2MB in 1.2MB established
110 reserved (2M8?)
111 all other formats/drives
--------b-M004000D7--------------------------
MEM 0040h:00D7h - AMI BIOS v1.00.12.AX1T - EPP - PARALLEL PORT 1 CAPABILITIES
Size: BYTE
SeeAlso: MEM 0040h:00D2h"AMI",MEM 0040h:00D5h"AMI",MEM 0040h:00D6h"AMI"
SeeAlso: MEM 0040h:00DDh"AMI"
--------M-M004000D8--------------------------
MEM 0040h:00D8h - Digiboard MV/4 - NUMBER OF MICE FOUND
Size: WORD
SeeAlso: MEM 0040h:00D6h"Digiboard",MEM 0040h:00DAh"Digiboard"
--------d-M004000D8--------------------------
MEM 0040h:00D8h - EHD floppy - DRIVE 1 DISKETTE MEDIA STATE
Size: BYTE
SeeAlso: MEM 0040h:00D7h"EHD",MEM 0040h:00D9h"EHD",MEM 0040h:00DAh"EHD"
--------b-M004000D8--------------------------
MEM 0040h:00D8h - AMI BIOS v1.00.12.AX1T - EPP - PARALLEL PORT 1 IRQ
Size: BYTE
SeeAlso: MEM 0040h:00D2h"AMI",MEM 0040h:00D6h"AMI",MEM 0040h:00D7h"AMI"
SeeAlso: MEM 0040h:00DDh"AMI"
--------b-M004000D8--------------------------
MEM 0040h:00D8h U - Phoenix BIOS 4.0 Rel 6.0 - POWER MANAGEMENT FLAGS
Size: BYTE
SeeAlso: INT 15/AX=5300h
--------d-M004000D9--------------------------
MEM 0040h:00D9h - EHD floppy - DRIVE 2 DISKETTE MEDIA STATE
Size: BYTE
SeeAlso: MEM 0040h:00D7h"EHD",MEM 0040h:00D8h"EHD",MEM 0040h:00DAh"EHD"
--------S-M004000DA--------------------------
MEM 0040h:00DAh - Digiboard MV/4 - CURRENT PORT (used by VGA initializatn only)
Size: BYTE
SeeAlso: MEM 0040h:00D8h"Digiboard"
--------d-M004000DA--------------------------
MEM 0040h:00DAh - EHD floppy - DRIVE 3 DISKETTE MEDIA STATE
Size: BYTE
SeeAlso: MEM 0040h:00D7h"EHD",MEM 0040h:00D8h"EHD",MEM 0040h:00D9h"EHD"
--------S-M004000DB--------------------------
MEM 0040h:00DBh - Digiboard MV/4 - MASTER 8259 MASK (used by VGA init only)
Size: BYTE
SeeAlso: MEM 0040h:00DCh"Digiboard"
--------d-M004000DB--------------------------
MEM 0040h:00DBh - EHD floppy - DRIVE 0 NEEDS RECALIBARATION
Size: BYTE
SeeAlso: MEM 0040h:00DCh"EHD",MEM 0040h:00DDh"EHD",MEM 0040h:00DEh"EHD"
--------S-M004000DC--------------------------
MEM 0040h:00DCh - Digiboard MV/4 - SLAVE 8259 MASK (used by VGA init only)
Size: BYTE
SeeAlso: MEM 0040h:00DBh"Digiboard"
--------b-M004000DC--------------------------
MEM 0040h:00DCh - AMI BIOS v1.00.12.AX1T - EPP - PARALLEL PORT 0 MODE
Size: BYTE
SeeAlso: MEM 0040h:00D2h"AMI",MEM 0040h:00D5h"AMI",MEM 0040h:00DDh"AMI"
SeeAlso: INT 17/AX=0200h/BX=5050h
(Table M0053)
Values for AMI Enhanced Parallel Port mode:
01h compatibility mode
02h bi-directional mode
04h EPP mode
SeeAlso: #00637
--------d-M004000DC--------------------------
MEM 0040h:00DCh - EHD floppy - DRIVE 1 NEEDS RECALIBARATION
Size: BYTE
SeeAlso: MEM 0040h:00DBh"EHD",MEM 0040h:00DDh"EHD",MEM 0040h:00DEh"EHD"
--------b-M004000DC--------------------------
MEM 0040h:00DCh - AMI BIOS v1.00.12.AX1T - EPP - PARALLEL PORT 1 MODE
Size: BYTE
SeeAlso: MEM 0040h:00D2h"AMI",MEM 0040h:00DCh"AMI",#M0053
--------d-M004000DD--------------------------
MEM 0040h:00DDh - EHD floppy - DRIVE 2 NEEDS RECALIBARATION
Size: BYTE
SeeAlso: MEM 0040h:00DBh"EHD",MEM 0040h:00DCh"EHD",MEM 0040h:00DEh"EHD"
--------d-M004000DE--------------------------
MEM 0040h:00DEh - EHD floppy - DRIVE 3 NEEDS RECALIBARATION
Size: BYTE
SeeAlso: MEM 0040h:00DBh"EHD",MEM 0040h:00DCh"EHD",MEM 0040h:00DDh"EHD"
--------b-M004000DF--------------------------
MEM 0040h:00DFh - AMI BIOS v1.00.12.AX1T - EPP - PARALLEL PORT LOCK STATE
Size: BYTE
Note: set to 01h if last request was to lock a port, 00h if last request was
to unlock a port
SeeAlso: MEM 0040h:00D2h"AMI",MEM 0040h:00DCh"AMI"
--------b-M004000E0--------------------------
MEM 0040h:00E0h - AMI BIOS v1.00.12.AX1T - EPP - REAL-TIME DEVICE COUNT
Size: BYTE
Desc: contains the number of advertised real-time devices as set by EPP
function 12h (see #00632)
SeeAlso: MEM 0040h:00D2h"AMI",MEM 0040h:00DFh"AMI"
--------b-M004000E0--------------------------
MEM 0040h:00E0h - Phoenix 386 BIOS - DRIVE PARAMETER TABLE FOR FIRST HARD DISK
Size: 16 BYTEs
Note: this area is used to store the driver parameter table for the first
hard disk if it has been setup as the user-configurable "type 47"
--------d-M004000E3--------------------------
MEM 0040h:00E3h - EHD floppy - DRIVE 0 DISKETTE TYPE (from jumpers)
Size: BYTE
SeeAlso: MEM 0040h:00E4h,MEM 0040h:00E5h"EHD",MEM 0040h:00E6h"EHD"
(Table M0054)
Values for EHD floppy diskette type:
01h undefined by diskette change (360K)
02h 1.2M
03h 720K
04h 1.44M
05h 2.88M
--------d-M004000E4--------------------------
MEM 0040h:00E4h - EHD floppy - DRIVE 1 DISKETTE TYPE (from jumpers)
Size: BYTE
SeeAlso: MEM 0040h:00E3h,MEM 0040h:00E5h"EHD",MEM 0040h:00E6h"EHD"
--------d-M004000E5--------------------------
MEM 0040h:00E5h - EHD floppy - DRIVE 2 DISKETTE TYPE (from jumpers)
Size: BYTE
SeeAlso: MEM 0040h:00E3h,MEM 0040h:00E4h"EHD",MEM 0040h:00E6h"EHD"
--------d-M004000E6--------------------------
MEM 0040h:00E6h - EHD floppy - DRIVE 3 DISKETTE TYPE (from jumpers)
Size: BYTE
SeeAlso: MEM 0040h:00E3h,MEM 0040h:00E4h"EHD",MEM 0040h:00E5h"EHD"
--------d-M004000EA--------------------------
MEM 0040h:00EAh - Omti controller - SEGMENT OF EXTENDED BIOS DATA AREA???
Size: WORD
Note: drive parameter tables stored in specified segment
--------b-M004000EC--------------------------
MEM 0040h:00ECh - Dell 4xxDE BIOS A11 - LOOP COUNT FOR DELAYS
Size: WORD
----------M004000F0--------------------------
MEM 0040h:00F0h - INTRA-APPLICATION COMMUNICATION AREA
Size: 16 BYTEs
--------B-M00500000--------------------------
MEM 0050h:0000h - PRINT-SCREEN STATUS
Size: BYTE
--------J-M00500001--------------------------
MEM 0050h:0001h - NEC PC-9800 series - SCREEN MODE
Size: BYTE
Note: if bit 3 set, the screen is in high-resolution mode (start memory at
segment E000h instead of A000h)
--------D-M00500004--------------------------
MEM 0050h:0004h - MS-DOS - LOGICAL DRIVE FOR SINGLE-FLOPPY SYSTEM (A: / B:)
Size: BYTE
--------A-M0050000E--------------------------
MEM 0050h:000Eh - STATE OF BREAK CHECKING AT START OF BASICA.COM EXECUTION
Size: BYTE
--------A-M0050000F--------------------------
MEM 0050h:000Fh - BASICA VERSION FLAG
Size: BYTE
Note: this byte contains the value 02h if BASICA v2.10 is running
--------A-M00500010--------------------------
MEM 0050h:0010h - POINTER TO BASIC DATA SEGMENT
Size: WORD
--------A-M00500012--------------------------
MEM 0050h:0012h - INT 08 VECTOR AT START OF BASICA.COM EXECUTION
Size: DWORD
--------A-M00500016--------------------------
MEM 0050h:0016h - INT 1B VECTOR AT START OF BASICA.COM EXECUTION
Size: DWORD
--------A-M0050001A--------------------------
MEM 0050h:001Ah - INT 24 VECTOR AT START OF BASICA.COM EXECUTION
Size: DWORD
--------D-M00600000--------------------------
MEM 0060h:0000h - DOS 2+ SCRATCH SPACE
Size: 256 BYTEs
Note: used during DOS 2+ boot process
--------D-M00600000--------------------------
MEM 0060h:0000h - DOS 1.x IO.SYS LOAD ADDRESS
--------D-M00700000--------------------------
MEM 0070h:0000h - DOS 2+ IO.SYS LOAD ADDRESS
--------D-M00700100--------------------------
MEM 0070h:0100h - DOS 5+ - ORIGINAL INTERRUPT VECTORS 10h,13h,15h,19h,1Bh
Size: 25 BYTEs
Note: each value is stored as a BYTE for the interrupt number followed by
a DWORD for the vector
these values are restored on INT 19 by recent versions of
DR/Novell/PC/MS-DOS (MS-DOS 3.x used this area to support HIMEM.SYS)
not supported by OS/2 MDOS
SeeAlso: MEM 0080h:0000h,INT 2F/AH=13
--------H-M00800000--------------------------
MEM 0080h:0000h - 80286 CPU - LOADALL WORKSPACE
Size: 102 BYTEs
Desc: on the 80286 (unlike 80386), the state buffer from which the LOADALL
instruction loads all internal registers is hardwired to physical
address 000800h
Note: several versions 3.x of MS-DOS leave an empty space at offset 100h in
IO.SYS (which is loaded at 0070h:0000h) so that HIMEM.SYS can use
LOADALL on 80286 machines without having to save/restore the area
of memory that LOADALL uses
SeeAlso: MEM 0070h:0100h
--------m-m80C00000--------------------------
MEM 80C00000h - Compaq Deskpro 386 system memory board register
Size: BYTE
80C00000 R Diagnostics register (see #M0055)
80C00000 W RAM relocation register (see #M0056)
Bitfields for Compaq Deskpro 386 diagnostics register:
Bit(s) Description (Table M0055)
7 =0 memory expansion board is installed
6 =0 second 1 MB of system memory board is installed
5-4 base memory
00 set to 640 KB
01 invalid
10 set to 512 KB
11 set to 256 KB
3 parity correct in byte 3
2 parity correct in byte 2
1 parity correct in byte 1
0 parity correct in byte 0 (in 32-bit double word)
SeeAlso: #M0056
Bitfields for Compaq Deskpro 386 RAM relocation register:
Bit(s) Description (Table M0056)
7-2 reserved, always write 1's.
1 =0 Write-protect 128-Kbyte RAM at FE0000.
=1 Do not write-protect RAM at FE0000.
0 =0 Relocate 128-Kbyte block at FE0000 to address 0E0000
=1 128-Kbyte RAM is addressed only at FE0000.
SeeAlso: #M0055
--------V-MA0000000--------------------------
MEM A000h:0000h - EGA+ GRAPHICS BUFFER
Size: 65536 BYTEs
--------V-MA0000000--------------------------
MEM A000h:0000h - S3 - MEMORY-MAPPED GRAPHICS PROCESSOR REGISTERS
Size: 65536 BYTEs
Note: the S3 graphics processor registers can be mapped at either
linear 000A0000h or at offset 16M from the start of the linear
frame buffer
--------V-MA0001234--------------------------
MEM A000h:1234h - S3 - MEMORY-MAPPED ???
Size: WORD???
Note: the Win95 driver for the Stealth64 tests various bits in this word,
sometimes looping until a particular bit is set or cleared
--------V-MA0008000--------------------------
MEM A000h:8000h - S3 - MEMORY-MAPPED PCI CONFIGURATION REGISTERS
Size: 256 BYTEs
Notes: the S3 graphics processor registers can be mapped at either
linear 000A0000h or at offset 16M from the start of the linear
frame buffer
additional setup may be required to access these registers via memory
the DWORDs at 8080h,8088h,808Ch,8090h,8094h,8098h,809Ch are used by
STLTH64.DRV
the DWORDs at 18080h,18088h,18090h,18094h,18098h,1809Ch are written
by S3_32.DLL
--------V-MA0008100--------------------------
MEM A000h:8100h - S3 - MEMORY-MAPPED PACKED REGISTERS
Size: 80 BYTEs
Access: Write-Only
Desc: these registers pack two 16-bit I/O registers into a single DWORD
for faster writes
Note: the S3 graphics processor registers can be mapped at either
linear 000A0000h or at offset 16M from the start of the linear
frame buffer
SeeAlso: MEM A000h:8180h
Format of S3 Trio32/Trio64 packed memory-mapped registers:
Offset Size Description (Table M0057)
8100h DWORD drawing control: row (low word), column (high word)
"CUR_X" and "CUR_Y" (see PORT 82E8h,PORT 86E8h)
8104h DWORD (Trio64) drawing control: row 2 (low word), column 2 (high word)
8108h DWORD drawing control: destination Y and axial step constant (low
word), destination X and axial step constant (high word)
(see PORT 8AE8h,PORT 8EE8h)
810Ch DWORD (Trio64 only) destination Y 2 and axial step constant 2 (low
word), destination X 2 and axial step constant 2 (high word)
(see PORT 8AEAh,PORT 8EEAh)
8110h WORD error term (see PORT 92E8h)
8112h WORD (Trio64) error term 2 (see PORT 92EAh)
8114h DWORD unused??? (would correspond to PORT 96E8h)
8118h WORD drawing control: command register (see PORT 9AE8h)
811Ah WORD (Trio64) command register 2 (see PORT 9AEAh)
811Ch DWORD short stroke (see PORT 9EE8h)
8120h DWORD background color (see PORT A2E8h)
8124h DWORD foreground color (see PORT A6E8h)
8128h DWORD write mask (see PORT AAE8h)
812Ch DWORD read mask (see PORT AEE8h)
8130h DWORD color compare (see PORT B2E8h)
8134h DWORD background mix (low word) and foreground mix (high word)
(see PORT B6E8h,PORT BAE8h)
8138h DWORD top scissors (low word) and left scissors (high word)
(see PORT BEE8h,#P1047)
813Ch DWORD bottom scissors (low word) and right scissors (high word)
(see PORT BEE8h,#P1047)
8140h DWORD data manipulation control (low word) and miscellaneous 2 (high
word) (see PORT⌨️ 快捷键说明
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